svn-gvsig-desktop / tags / v1_0_2_Build_900 / libraries / libGDBMS / src / main / java / com / hardcode / gdbms / engine / data / DataSourceFactory.java @ 10562
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| 1 | 3199 | fjp | package com.hardcode.gdbms.engine.data; |
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| 2 | |||
| 3 | import java.io.ByteArrayInputStream; |
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| 4 | import java.io.File; |
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| 5 | import java.io.IOException; |
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| 6 | 5220 | jmvivo | import java.rmi.server.UID; |
| 7 | 3199 | fjp | import java.sql.Connection; |
| 8 | import java.sql.SQLException; |
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| 9 | import java.sql.Statement; |
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| 10 | import java.util.ArrayList; |
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| 11 | import java.util.HashMap; |
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| 12 | 5579 | jmvivo | import java.util.Hashtable; |
| 13 | 3199 | fjp | import java.util.Iterator; |
| 14 | |||
| 15 | import com.hardcode.driverManager.Driver; |
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| 16 | import com.hardcode.driverManager.DriverLoadException; |
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| 17 | import com.hardcode.driverManager.DriverManager; |
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| 18 | 4186 | caballero | import com.hardcode.driverManager.WriterManager; |
| 19 | 3199 | fjp | import com.hardcode.gdbms.engine.data.db.DBDataSource; |
| 20 | import com.hardcode.gdbms.engine.data.db.DBDataSourceFactory; |
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| 21 | import com.hardcode.gdbms.engine.data.db.DBQuerySourceInfo; |
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| 22 | import com.hardcode.gdbms.engine.data.db.DBSourceInfo; |
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| 23 | import com.hardcode.gdbms.engine.data.db.DBTableSourceInfo; |
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| 24 | import com.hardcode.gdbms.engine.data.db.SpatialDBTableSourceInfo; |
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| 25 | import com.hardcode.gdbms.engine.data.driver.AlphanumericDBDriver; |
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| 26 | import com.hardcode.gdbms.engine.data.driver.DBDriver; |
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| 27 | import com.hardcode.gdbms.engine.data.driver.DriverException; |
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| 28 | import com.hardcode.gdbms.engine.data.driver.FileDriver; |
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| 29 | import com.hardcode.gdbms.engine.data.driver.GDBMSDriver; |
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| 30 | import com.hardcode.gdbms.engine.data.driver.ObjectDriver; |
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| 31 | import com.hardcode.gdbms.engine.data.file.FileCreationSourceInfo; |
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| 32 | import com.hardcode.gdbms.engine.data.file.FileDataSource; |
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| 33 | import com.hardcode.gdbms.engine.data.file.FileDataSourceFactory; |
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| 34 | import com.hardcode.gdbms.engine.data.file.FileSourceInfo; |
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| 35 | import com.hardcode.gdbms.engine.data.object.ObjectDataSource; |
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| 36 | import com.hardcode.gdbms.engine.data.object.ObjectDataSourceFactory; |
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| 37 | import com.hardcode.gdbms.engine.data.object.ObjectSourceInfo; |
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| 38 | import com.hardcode.gdbms.engine.data.persistence.DataSourceLayerMemento; |
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| 39 | import com.hardcode.gdbms.engine.data.persistence.Memento; |
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| 40 | import com.hardcode.gdbms.engine.data.persistence.OperationLayerMemento; |
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| 41 | import com.hardcode.gdbms.engine.instruction.Adapter; |
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| 42 | import com.hardcode.gdbms.engine.instruction.ColRefAdapter; |
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| 43 | import com.hardcode.gdbms.engine.instruction.CustomAdapter; |
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| 44 | import com.hardcode.gdbms.engine.instruction.EvaluationException; |
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| 45 | import com.hardcode.gdbms.engine.instruction.SelectAdapter; |
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| 46 | import com.hardcode.gdbms.engine.instruction.SemanticException; |
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| 47 | import com.hardcode.gdbms.engine.instruction.TableRefAdapter; |
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| 48 | import com.hardcode.gdbms.engine.instruction.UnionAdapter; |
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| 49 | import com.hardcode.gdbms.engine.instruction.Utilities; |
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| 50 | import com.hardcode.gdbms.engine.strategies.OperationDataSource; |
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| 51 | import com.hardcode.gdbms.engine.strategies.Strategy; |
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| 52 | import com.hardcode.gdbms.engine.strategies.StrategyManager; |
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| 53 | import com.hardcode.gdbms.parser.Node; |
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| 54 | import com.hardcode.gdbms.parser.ParseException; |
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| 55 | import com.hardcode.gdbms.parser.SQLEngine; |
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| 56 | import com.hardcode.gdbms.parser.SimpleNode; |
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| 57 | |||
| 58 | /**
|
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| 59 | 4050 | fjp | * Clase factor?a de DataSources. Contiene m?todos para registrar las fuentes de
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| 60 | * datos (addXXXDataSource) y para obtener los DataSource's asociados a estas
|
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| 61 | * createRandomDataSource. Adem?s proporciona un m?todo para ejecutar consultas
|
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| 62 | * SQL a partir de la instrucci?n como cadena o a partir de la instrucci?n como
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| 63 | * ?rbol de adaptadores
|
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| 64 | 4186 | caballero | *
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| 65 | 3199 | fjp | * @author Fernando Gonz?lez Cort?s
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| 66 | */
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| 67 | public class DataSourceFactory { |
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| 68 | 4050 | fjp | public final static int MANUAL_OPENING = 0; |
| 69 | 3199 | fjp | |
| 70 | 4050 | fjp | public final static int AUTOMATIC_OPENING = 1; |
| 71 | 3199 | fjp | |
| 72 | 4050 | fjp | public final static int DATA_WARE_DIRECT_MODE = 0; |
| 73 | 3199 | fjp | |
| 74 | 4050 | fjp | public final static int DATA_WARE_COHERENT_ROW_ORDER = 1; |
| 75 | 3199 | fjp | |
| 76 | 4050 | fjp | final static int DEFAULT_DELAY = 5000; |
| 77 | 3199 | fjp | |
| 78 | 4050 | fjp | /**
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| 79 | * Asocia los nombres de las tablas con la informaci?n del origen de datos
|
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| 80 | */
|
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| 81 | private HashMap tableSource = new HashMap(); |
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| 82 | 3199 | fjp | |
| 83 | 4050 | fjp | /** Associates a name with the operation layer DataSource with that name */
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| 84 | private HashMap nameOperationDataSource = new HashMap(); |
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| 85 | 3199 | fjp | |
| 86 | 4050 | fjp | /**
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| 87 | * Asocia los nombres de los or?genes de datos de base de datos con el
|
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| 88 | * nombre de la tabla en el sistema de gesti?n original
|
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| 89 | */
|
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| 90 | private HashMap nameTable = new HashMap(); |
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| 91 | 3199 | fjp | |
| 92 | 4050 | fjp | private HashMap sourceInfoServerViewInfo = new HashMap(); |
| 93 | 3199 | fjp | |
| 94 | 4050 | fjp | private DriverManager dm; |
| 95 | 3199 | fjp | |
| 96 | 4050 | fjp | private ModuleSupport ms = new ModuleSupport(); |
| 97 | 3199 | fjp | |
| 98 | 4050 | fjp | private long delay = DEFAULT_DELAY; |
| 99 | 3199 | fjp | |
| 100 | 4050 | fjp | private boolean delegating = false; |
| 101 | 3199 | fjp | |
| 102 | 4050 | fjp | private File tempDir = new File("."); |
| 103 | 3199 | fjp | |
| 104 | 4186 | caballero | private WriterManager wm;
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| 105 | 5579 | jmvivo | |
| 106 | private Hashtable driversNamesAliases = new Hashtable(); |
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| 107 | 4186 | caballero | |
| 108 | 4050 | fjp | /**
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| 109 | * Get's a unique id in the tableSource and nameOperationDataSource key sets
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| 110 | 4186 | caballero | *
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| 111 | 4050 | fjp | * @return unique id
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| 112 | */
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| 113 | private String getUID() { |
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| 114 | 5220 | jmvivo | UID uid = new UID(); |
| 115 | |||
| 116 | 5252 | jmvivo | String name = "gdbms" + uid.toString().replace(':','_').replace('-','_'); |
| 117 | 4050 | fjp | return name;
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| 118 | } |
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| 119 | 5220 | jmvivo | |
| 120 | 4050 | fjp | /**
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| 121 | * Removes all associations between names and data sources of any layer.
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| 122 | */
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| 123 | public void removeAllDataSources() { |
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| 124 | tableSource.clear(); |
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| 125 | nameOperationDataSource.clear(); |
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| 126 | } |
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| 127 | 3199 | fjp | |
| 128 | 4050 | fjp | /**
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| 129 | * Removes the association between the name and the data sources
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| 130 | 4186 | caballero | *
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| 131 | 4050 | fjp | * @param ds
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| 132 | * Name of the data source to remove
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| 133 | 4186 | caballero | *
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| 134 | 4050 | fjp | * @throws DriverException
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| 135 | * If ds is a database data source it's associated view must be
|
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| 136 | * deleted. Thrown if could not be deleted.
|
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| 137 | * @throws RuntimeException
|
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| 138 | * If there is no data source registered with that name
|
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| 139 | */
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| 140 | public void remove(DataSource ds) throws DriverException { |
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| 141 | String name = ds.getName();
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| 142 | 3199 | fjp | |
| 143 | 4050 | fjp | if (tableSource.remove(name) == null) { |
| 144 | if (nameOperationDataSource.remove(name) == null) { |
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| 145 | throw new RuntimeException( |
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| 146 | "No datasource with the name. Data source name changed since the DataSource instance was retrieved?");
|
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| 147 | } |
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| 148 | } |
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| 149 | } |
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| 150 | 3199 | fjp | |
| 151 | 4050 | fjp | /**
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| 152 | * Removes de View of the data source 'ds'
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| 153 | 4186 | caballero | *
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| 154 | 4050 | fjp | * @param ds
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| 155 | * DataSource whose view will be deleted
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| 156 | 4186 | caballero | *
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| 157 | 4050 | fjp | * @throws DriverException
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| 158 | * If the view could not be deleted
|
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| 159 | */
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| 160 | private void clearView(DBDataSource ds) throws DriverException { |
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| 161 | DBTableSourceInfo dbInfo = (DBTableSourceInfo) ds.getSourceInfo(); |
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| 162 | String sql = "DROP VIEW " + dbInfo.tableName; |
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| 163 | ds.execute(sql); |
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| 164 | } |
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| 165 | 3199 | fjp | |
| 166 | 4050 | fjp | /**
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| 167 | * Removes the views created at query delegation
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| 168 | 4186 | caballero | *
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| 169 | 4050 | fjp | * @throws DriverException
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| 170 | * If any view could not be removed
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| 171 | */
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| 172 | public void clearViews() throws DriverException { |
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| 173 | Iterator i = sourceInfoServerViewInfo.values().iterator();
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| 174 | 3199 | fjp | |
| 175 | 4050 | fjp | while (i.hasNext()) {
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| 176 | ServerViewInfo svi = (ServerViewInfo) i.next(); |
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| 177 | clearView(svi.adapter); |
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| 178 | } |
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| 179 | 3199 | fjp | |
| 180 | 4050 | fjp | sourceInfoServerViewInfo.clear(); |
| 181 | } |
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| 182 | 3199 | fjp | |
| 183 | 4050 | fjp | /**
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| 184 | * A?ade una fuente de datos de objeto. Dado un objeto que implemente la
|
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| 185 | * interfaz del driver, se toma como fuente de datos y se le asocia un
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| 186 | * nombre
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| 187 | 4186 | caballero | *
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| 188 | 4050 | fjp | * @param rd
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| 189 | * objeto con la informaci?n
|
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| 190 | * @param name
|
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| 191 | * Nombre de la fuente de datos
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| 192 | */
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| 193 | public void addDataSource(ObjectDriver rd, String name) { |
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| 194 | ObjectSourceInfo info = new ObjectSourceInfo();
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| 195 | info.driver = rd; |
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| 196 | tableSource.put(name, info); |
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| 197 | } |
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| 198 | 3199 | fjp | |
| 199 | 4050 | fjp | /**
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| 200 | * A?ade una fuente de datos de objeto. Dado un objeto que implemente la
|
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| 201 | * interfaz del driver, se toma como fuente de datos y se le asocia un
|
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| 202 | * nombre
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| 203 | 4186 | caballero | *
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| 204 | 4050 | fjp | * @param rd
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| 205 | * objeto con la informaci?n
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| 206 | 4186 | caballero | *
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| 207 | 4050 | fjp | * @return the name of the data source
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| 208 | */
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| 209 | public String addDataSource(ObjectDriver rd) { |
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| 210 | String ret = getUID();
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| 211 | addDataSource(rd, ret); |
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| 212 | 3199 | fjp | |
| 213 | 4050 | fjp | return ret;
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| 214 | } |
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| 215 | 3199 | fjp | |
| 216 | 4050 | fjp | /**
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| 217 | * Adds a new data source to the system. If the file doesn't exists it is
|
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| 218 | * created when necessary
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| 219 | 4186 | caballero | *
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| 220 | 4050 | fjp | * @param driverName
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| 221 | * Nombre del driver asociado a la fuente de datos
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| 222 | * @param name
|
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| 223 | * Nombre de la tabla con el que se har? referencia en las
|
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| 224 | * instrucciones
|
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| 225 | * @param file
|
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| 226 | * Fichero con los datos
|
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| 227 | */
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| 228 | public void createFileDataSource(String driverName, String name, |
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| 229 | String file, String[] fieldNames, int[] fieldTypes) { |
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| 230 | FileCreationSourceInfo info = (FileCreationSourceInfo) getFileSourceInfo( |
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| 231 | new FileCreationSourceInfo(), driverName, name, file, false); |
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| 232 | info.fieldNames = fieldNames; |
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| 233 | info.fieldTypes = fieldTypes; |
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| 234 | tableSource.put(name, info); |
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| 235 | } |
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| 236 | 3199 | fjp | |
| 237 | 4050 | fjp | /**
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| 238 | * A?ade un origen de datos de fichero al sistema. Cuando se cree un
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| 239 | * DataSource mediante la invocaci?n createRandomDataSource(String) se
|
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| 240 | * crear? una instancia del driver cuyo nombre es driverName
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| 241 | 4186 | caballero | *
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| 242 | 4050 | fjp | * @param driverName
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| 243 | * Nombre del driver asociado a la fuente de datos
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| 244 | * @param name
|
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| 245 | * Nombre de la tabla con el que se har? referencia en las
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| 246 | * instrucciones
|
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| 247 | * @param file
|
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| 248 | * Fichero con los datos
|
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| 249 | */
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| 250 | public void addFileDataSource(String driverName, String name, String file) { |
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| 251 | FileSourceInfo info = getFileSourceInfo(new FileSourceInfo(),
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| 252 | driverName, name, file, false);
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| 253 | tableSource.put(name, info); |
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| 254 | } |
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| 255 | 3199 | fjp | |
| 256 | 4050 | fjp | /**
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| 257 | * Gets a FileSourceInfo with the values passed in the parameters
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| 258 | 4186 | caballero | *
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| 259 | 4050 | fjp | * @param driverName
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| 260 | * @param name
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| 261 | * @param file
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| 262 | 4186 | caballero | *
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| 263 | 4050 | fjp | * @return FileSourceInfo
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| 264 | */
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| 265 | private FileSourceInfo getFileSourceInfo(FileSourceInfo info,
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| 266 | String driverName, String name, String file, boolean spatial) { |
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| 267 | info.name = name; |
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| 268 | info.file = file; |
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| 269 | info.driverName = driverName; |
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| 270 | info.spatial = spatial; |
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| 271 | 3199 | fjp | |
| 272 | 4050 | fjp | return info;
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| 273 | } |
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| 274 | 3199 | fjp | |
| 275 | 4050 | fjp | /**
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| 276 | * Adds a spatial file data source to the system.
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| 277 | 4186 | caballero | *
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| 278 | 4050 | fjp | * @param driverName
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| 279 | * driver used to obtain the data
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| 280 | * @param name
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| 281 | * name of the data source
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| 282 | * @param file
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| 283 | * file with the data
|
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| 284 | */
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| 285 | public void addSpatialFileDataSource(String driverName, String name, |
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| 286 | String file) {
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| 287 | FileSourceInfo info = getFileSourceInfo(new FileSourceInfo(),
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| 288 | driverName, name, file, true);
|
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| 289 | tableSource.put(name, info); |
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| 290 | } |
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| 291 | 3199 | fjp | |
| 292 | 4050 | fjp | /**
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| 293 | * Adds a spatial file data source to the system.
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| 294 | 4186 | caballero | *
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| 295 | 4050 | fjp | * @param driverName
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| 296 | * driver used to obtain the data
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| 297 | * @param file
|
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| 298 | * file with the data
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| 299 | 4186 | caballero | *
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| 300 | 4050 | fjp | * @return String Generated name of the added data source
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| 301 | */
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| 302 | public String addSpatialFileDataSource(String driverName, String file) { |
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| 303 | String ret = getUID();
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| 304 | addSpatialFileDataSource(driverName, ret, file); |
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| 305 | 3199 | fjp | |
| 306 | 4050 | fjp | return ret;
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| 307 | } |
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| 308 | 3199 | fjp | |
| 309 | 4050 | fjp | /**
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| 310 | * A?ade un origen de datos de fichero al sistema. Cuando se cree un
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| 311 | * DataSource mediante la invocaci?n createRandomDataSource(String) se
|
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| 312 | * crear? una instancia del driver cuyo nombre es driverName
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| 313 | 4186 | caballero | *
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| 314 | 4050 | fjp | * @param driverName
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| 315 | * Nombre del driver asociado a la fuente de datos
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| 316 | * @param file
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| 317 | * Fichero con los datos
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| 318 | 4186 | caballero | *
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| 319 | 4050 | fjp | * @return Nombre ?nico que se asocia a la tabla
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| 320 | */
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| 321 | public String addFileDataSource(String driverName, String file) { |
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| 322 | String ret = getUID();
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| 323 | addFileDataSource(driverName, ret, file); |
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| 324 | 3199 | fjp | |
| 325 | 4050 | fjp | return ret;
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| 326 | } |
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| 327 | 3199 | fjp | |
| 328 | 4050 | fjp | /**
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| 329 | * Obtiene la informaci?n de la fuente de datos cuyo nombre se pasa como
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| 330 | * par?metro
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| 331 | 4186 | caballero | *
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| 332 | 4050 | fjp | * @param dataSourceName
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| 333 | * Nombre de la base de datos
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| 334 | 4186 | caballero | *
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| 335 | 4050 | fjp | * @return Debido a las distintas formas en las que se puede registrar un
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| 336 | * datasource, se devuelve un Object, que podr? ser una instancia de
|
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| 337 | * DataSourceFactory.FileDriverInfo, DataSourceFactory.DBDriverInfo
|
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| 338 | * o ReadDriver
|
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| 339 | */
|
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| 340 | public SourceInfo getDriverInfo(String dataSourceName) { |
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| 341 | return (SourceInfo) tableSource.get(dataSourceName);
|
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| 342 | } |
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| 343 | 3199 | fjp | |
| 344 | 4050 | fjp | /**
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| 345 | * Gets the information of all data sources registered in the system
|
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| 346 | 4186 | caballero | *
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| 347 | 4050 | fjp | * @return DriverInfo[]
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| 348 | */
|
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| 349 | public SourceInfo[] getDriverInfos() { |
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| 350 | ArrayList ret = new ArrayList(); |
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| 351 | Iterator it = tableSource.values().iterator();
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| 352 | 3199 | fjp | |
| 353 | 4050 | fjp | while (it.hasNext()) {
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| 354 | SourceInfo di = (SourceInfo) it.next(); |
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| 355 | ret.add(di); |
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| 356 | } |
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| 357 | 3199 | fjp | |
| 358 | 4050 | fjp | return (SourceInfo[]) ret.toArray(new SourceInfo[0]); |
| 359 | } |
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| 360 | 3199 | fjp | |
| 361 | 4050 | fjp | /**
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| 362 | * A?ade un origen de datos de base de datos al sistema
|
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| 363 | 4186 | caballero | *
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| 364 | 4050 | fjp | * @param name
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| 365 | * Nombre de la tabla con el que se har? referencia en las
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| 366 | * instrucciones
|
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| 367 | * @param host
|
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| 368 | * Cadena de conexi?n para conectar con el sgbd donde se
|
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| 369 | * encuentra la tabla
|
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| 370 | * @param port
|
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| 371 | * Nombre del sgbd capaz de ejecutar SQL en el que reside la
|
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| 372 | * tabla. Generalmente ser? la parte de la cadena de conexi?n
|
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| 373 | * correspondiente a host, puerto y nombre de la base de datos
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| 374 | * @param user
|
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| 375 | * Nombre de usuario. Null para acceso sin usuario
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| 376 | * @param password
|
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| 377 | * Si el usuario es null se ignora el password
|
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| 378 | * @param dbName
|
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| 379 | * Nombre de la base de datos a la que se accede
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| 380 | * @param tableName
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| 381 | * Nombre de la tabla en la base de datos
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| 382 | * @param driverInfo
|
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| 383 | * Informaci?n para saber qu? driver debe acceder a la
|
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| 384 | * informaci?n. Se escoger? el driver cuyo valor de retorno del
|
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| 385 | * m?todo getType coincida con este valor
|
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| 386 | */
|
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| 387 | public void addDBDataSourceByTable(String name, String host, int port, |
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| 388 | String user, String password, String dbName, String tableName, |
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| 389 | String driverInfo) {
|
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| 390 | DBTableSourceInfo info = new DBTableSourceInfo();
|
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| 391 | fillDBTableSourceInfo(info, name, host, port, user, password, dbName, |
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| 392 | tableName, driverInfo); |
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| 393 | tableSource.put(name, info); |
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| 394 | nameTable.put(name, tableName); |
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| 395 | } |
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| 396 | 4919 | jmvivo | |
| 397 | |||
| 398 | /**
|
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| 399 | * A?ade un origen de datos de base de datos al sistema
|
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| 400 | *
|
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| 401 | * @param name
|
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| 402 | * Nombre de la tabla con el que se har? referencia en las
|
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| 403 | * instrucciones
|
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| 404 | * @param Connection
|
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| 405 | * Conexion JDBC a la Base de datos ya abierta (el DataSource
|
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| 406 | * la usara, pero no la abrira/cerrara)
|
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| 407 | * @param tableName
|
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| 408 | * Nombre de la tabla en la base de datos
|
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| 409 | * @param driverInfo
|
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| 410 | * Informaci?n para saber qu? driver debe acceder a la
|
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| 411 | * informaci?n. Se escoger? el driver cuyo valor de retorno del
|
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| 412 | * m?todo getType coincida con este valor
|
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| 413 | */
|
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| 414 | public void addDBDataSourceByTable(String name, Connection connection, String tableName, |
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| 415 | String driverInfo) {
|
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| 416 | DBTableSourceInfo info = new DBTableSourceInfo();
|
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| 417 | fillDBTableSourceInfo(info, name, connection, |
||
| 418 | tableName, driverInfo); |
||
| 419 | tableSource.put(name, info); |
||
| 420 | nameTable.put(name, tableName); |
||
| 421 | } |
||
| 422 | |||
| 423 | |||
| 424 | |||
| 425 | 3199 | fjp | |
| 426 | 4050 | fjp | /**
|
| 427 | * Fills the info struct with the values passed in the parameters
|
||
| 428 | 4186 | caballero | *
|
| 429 | 4050 | fjp | * @param info
|
| 430 | * struct to populate
|
||
| 431 | * @param name
|
||
| 432 | * Name of the data source
|
||
| 433 | * @param host
|
||
| 434 | * host where the data is
|
||
| 435 | * @param port
|
||
| 436 | * port number
|
||
| 437 | * @param user
|
||
| 438 | * user name or null.
|
||
| 439 | * @param password
|
||
| 440 | * if user name is null is ignored
|
||
| 441 | * @param dbName
|
||
| 442 | * database name
|
||
| 443 | * @param tableName
|
||
| 444 | * table name
|
||
| 445 | * @param driverInfo
|
||
| 446 | * name of the driver used to access the data
|
||
| 447 | */
|
||
| 448 | private void fillDBTableSourceInfo(DBTableSourceInfo info, String name, |
||
| 449 | String host, int port, String user, String password, String dbName, |
||
| 450 | String tableName, String driverInfo) { |
||
| 451 | info.name = name; |
||
| 452 | info.host = host; |
||
| 453 | info.port = port; |
||
| 454 | info.user = user; |
||
| 455 | info.password = password; |
||
| 456 | info.dbName = dbName; |
||
| 457 | info.dbms = host + ":" + port + "/" + dbName + "," + user + "," |
||
| 458 | + password; |
||
| 459 | info.tableName = tableName; |
||
| 460 | info.driverName = driverInfo; |
||
| 461 | } |
||
| 462 | 3199 | fjp | |
| 463 | 4050 | fjp | /**
|
| 464 | 4919 | jmvivo | * Fills the info struct with the values passed in the parameters
|
| 465 | *
|
||
| 466 | * @param info
|
||
| 467 | * struct to populate
|
||
| 468 | * @param name
|
||
| 469 | * Name of the data source
|
||
| 470 | * @param Connection
|
||
| 471 | * JDBC opened data base Connection
|
||
| 472 | * @param port
|
||
| 473 | * port number
|
||
| 474 | * @param user
|
||
| 475 | * user name or null.
|
||
| 476 | * @param password
|
||
| 477 | * if user name is null is ignored
|
||
| 478 | * @param dbName
|
||
| 479 | * database name
|
||
| 480 | * @param tableName
|
||
| 481 | * table name
|
||
| 482 | * @param driverInfo
|
||
| 483 | * name of the driver used to access the data
|
||
| 484 | */
|
||
| 485 | private void fillDBTableSourceInfo(DBTableSourceInfo info, String name, |
||
| 486 | Connection conection, String tableName, String driverInfo) { |
||
| 487 | info.name = name; |
||
| 488 | info.host = "";
|
||
| 489 | info.port = -1;
|
||
| 490 | info.user = "";
|
||
| 491 | info.password = "";
|
||
| 492 | info.dbName = "";
|
||
| 493 | info.dbms = "";
|
||
| 494 | info.connection= conection; |
||
| 495 | info.tableName = tableName; |
||
| 496 | info.driverName = driverInfo; |
||
| 497 | } |
||
| 498 | |||
| 499 | |||
| 500 | |||
| 501 | |||
| 502 | |||
| 503 | |||
| 504 | |||
| 505 | |||
| 506 | /**
|
||
| 507 | 4050 | fjp | * Adds a spatial database data source
|
| 508 | 4186 | caballero | *
|
| 509 | 4050 | fjp | * @param name
|
| 510 | * Name of the data source
|
||
| 511 | * @param host
|
||
| 512 | * host where the data is
|
||
| 513 | * @param port
|
||
| 514 | * port number
|
||
| 515 | * @param user
|
||
| 516 | * user name or null.
|
||
| 517 | * @param password
|
||
| 518 | * if user name is null is ignored
|
||
| 519 | * @param dbName
|
||
| 520 | * database name
|
||
| 521 | * @param tableName
|
||
| 522 | * table name
|
||
| 523 | * @param geometryFieldName
|
||
| 524 | * name of the field that has the geometry
|
||
| 525 | * @param driverInfo
|
||
| 526 | * name of the driver used to access the data
|
||
| 527 | */
|
||
| 528 | public void addSpatialDBDataSource(String name, String host, int port, |
||
| 529 | String user, String password, String dbName, String tableName, |
||
| 530 | String geometryFieldName, String driverInfo) { |
||
| 531 | SpatialDBTableSourceInfo info = new SpatialDBTableSourceInfo();
|
||
| 532 | fillDBTableSourceInfo(info, name, host, port, user, password, dbName, |
||
| 533 | tableName, driverInfo); |
||
| 534 | info.geometryField = geometryFieldName; |
||
| 535 | tableSource.put(name, info); |
||
| 536 | nameTable.put(name, tableName); |
||
| 537 | } |
||
| 538 | 3199 | fjp | |
| 539 | 4919 | jmvivo | |
| 540 | 4050 | fjp | /**
|
| 541 | * Adds a spatial database data source
|
||
| 542 | 4186 | caballero | *
|
| 543 | 4919 | jmvivo | * @param connection
|
| 544 | *
|
||
| 545 | * @param tableName
|
||
| 546 | * table name
|
||
| 547 | * @param geometryFieldName
|
||
| 548 | * name of the field that has the geometry
|
||
| 549 | * @param driverInfo
|
||
| 550 | * name of the driver used to access the data
|
||
| 551 | */
|
||
| 552 | public void addSpatialDBDataSource(String name, Connection connection, String tableName, |
||
| 553 | String geometryFieldName, String driverInfo) { |
||
| 554 | SpatialDBTableSourceInfo info = new SpatialDBTableSourceInfo();
|
||
| 555 | fillDBTableSourceInfo(info, name, connection, |
||
| 556 | tableName, driverInfo); |
||
| 557 | info.geometryField = geometryFieldName; |
||
| 558 | tableSource.put(name, info); |
||
| 559 | nameTable.put(name, tableName); |
||
| 560 | } |
||
| 561 | |||
| 562 | |||
| 563 | |||
| 564 | |||
| 565 | |||
| 566 | |||
| 567 | |||
| 568 | |||
| 569 | /**
|
||
| 570 | * Adds a spatial database data source
|
||
| 571 | *
|
||
| 572 | 4050 | fjp | * @param host
|
| 573 | * host where the data is
|
||
| 574 | * @param port
|
||
| 575 | * port number
|
||
| 576 | * @param user
|
||
| 577 | * user name or null.
|
||
| 578 | * @param password
|
||
| 579 | * if user name is null is ignored
|
||
| 580 | * @param dbName
|
||
| 581 | * database name
|
||
| 582 | * @param tableName
|
||
| 583 | * table name
|
||
| 584 | * @param geometryFieldName
|
||
| 585 | * name of the field that has the geometry
|
||
| 586 | * @param driverInfo
|
||
| 587 | * name of the driver used to access the data
|
||
| 588 | 4186 | caballero | *
|
| 589 | 4050 | fjp | * @return generated name of the added data source
|
| 590 | */
|
||
| 591 | public String addSpatialDBDataSource(String host, int port, String user, |
||
| 592 | String password, String dbName, String tableName, |
||
| 593 | String geometryFieldName, String driverInfo) { |
||
| 594 | String ret = getUID();
|
||
| 595 | addSpatialDBDataSource(ret, host, port, user, password, dbName, |
||
| 596 | tableName, geometryFieldName, driverInfo); |
||
| 597 | 3199 | fjp | |
| 598 | 4050 | fjp | return ret;
|
| 599 | } |
||
| 600 | 3199 | fjp | |
| 601 | 4919 | jmvivo | |
| 602 | 4050 | fjp | /**
|
| 603 | 4919 | jmvivo | * Adds a spatial database data source
|
| 604 | *
|
||
| 605 | * @param connection
|
||
| 606 | *
|
||
| 607 | * @param tableName
|
||
| 608 | * table name
|
||
| 609 | * @param geometryFieldName
|
||
| 610 | * name of the field that has the geometry
|
||
| 611 | * @param driverInfo
|
||
| 612 | * name of the driver used to access the data
|
||
| 613 | *
|
||
| 614 | * @return generated name of the added data source
|
||
| 615 | */
|
||
| 616 | public String addSpatialDBDataSource(Connection connection, String tableName, |
||
| 617 | String geometryFieldName, String driverInfo) { |
||
| 618 | String ret = getUID();
|
||
| 619 | addSpatialDBDataSource(ret, connection, |
||
| 620 | tableName, geometryFieldName, driverInfo); |
||
| 621 | |||
| 622 | return ret;
|
||
| 623 | } |
||
| 624 | |||
| 625 | |||
| 626 | |||
| 627 | |||
| 628 | |||
| 629 | /**
|
||
| 630 | 4050 | fjp | * A?ade un origen de datos de base de datos al sistema
|
| 631 | 4186 | caballero | *
|
| 632 | 4050 | fjp | * @param host
|
| 633 | * Cadena de conexi?n para conectar con el sgbd donde se
|
||
| 634 | * encuentra la tabla
|
||
| 635 | * @param port
|
||
| 636 | * Nombre del sgbd capaz de ejecutar SQL en el que reside la
|
||
| 637 | * tabla. Generalmente ser? la parte de la cadena de conexi?n
|
||
| 638 | * correspondiente a host, puerto y nombre de la base de datos
|
||
| 639 | * @param user
|
||
| 640 | * Nombre de usuario. Null para acceso sin usuario
|
||
| 641 | * @param password
|
||
| 642 | * Si el usuario es null se ignora el password
|
||
| 643 | * @param dbName
|
||
| 644 | * Nombre de la base de datos a la que se accede
|
||
| 645 | * @param tableName
|
||
| 646 | * Nombre de la tabla en la base de datos
|
||
| 647 | * @param driverInfo
|
||
| 648 | * Informaci?n para saber qu? driver debe acceder a la
|
||
| 649 | * informaci?n. Se escoger? el driver cuyo valor de retorno del
|
||
| 650 | * m?todo getType coincida con este valor
|
||
| 651 | 4186 | caballero | *
|
| 652 | 4050 | fjp | * @return Nombre de la tabla con el que se har? referencia en las
|
| 653 | * instrucciones
|
||
| 654 | */
|
||
| 655 | public String addDBDataSourceByTable(String host, int port, String user, |
||
| 656 | String password, String dbName, String tableName, String driverInfo) { |
||
| 657 | String name = getUID();
|
||
| 658 | addDBDataSourceByTable(name, host, port, user, password, dbName, |
||
| 659 | tableName, driverInfo); |
||
| 660 | 3199 | fjp | |
| 661 | 4050 | fjp | return name;
|
| 662 | } |
||
| 663 | 3199 | fjp | |
| 664 | 4919 | jmvivo | |
| 665 | |||
| 666 | 4050 | fjp | /**
|
| 667 | * A?ade un origen de datos de base de datos al sistema
|
||
| 668 | 4186 | caballero | *
|
| 669 | 4919 | jmvivo | * @param connection
|
| 670 | * Conexion JDBC abierta a la base de datos(el DataSource
|
||
| 671 | * usara la conexion, pero no la abrira/cerrara)
|
||
| 672 | * @param tableName
|
||
| 673 | * Nombre de la tabla en la base de datos
|
||
| 674 | * @param driverInfo
|
||
| 675 | * Informaci?n para saber qu? driver debe acceder a la
|
||
| 676 | * informaci?n. Se escoger? el driver cuyo valor de retorno del
|
||
| 677 | * m?todo getType coincida con este valor
|
||
| 678 | *
|
||
| 679 | * @return Nombre de la tabla con el que se har? referencia en las
|
||
| 680 | * instrucciones
|
||
| 681 | */
|
||
| 682 | public String addDBDataSourceByTable(Connection connection, String tableName, String driverInfo) { |
||
| 683 | String name = getUID();
|
||
| 684 | addDBDataSourceByTable(name, connection, |
||
| 685 | tableName, driverInfo); |
||
| 686 | |||
| 687 | return name;
|
||
| 688 | } |
||
| 689 | |||
| 690 | |||
| 691 | |||
| 692 | |||
| 693 | |||
| 694 | |||
| 695 | |||
| 696 | |||
| 697 | |||
| 698 | |||
| 699 | |||
| 700 | |||
| 701 | |||
| 702 | |||
| 703 | |||
| 704 | |||
| 705 | |||
| 706 | |||
| 707 | |||
| 708 | |||
| 709 | |||
| 710 | /**
|
||
| 711 | * A?ade un origen de datos de base de datos al sistema
|
||
| 712 | *
|
||
| 713 | 4050 | fjp | * @param name
|
| 714 | * Nombre de la tabla con el que se har? referencia en las
|
||
| 715 | * instrucciones
|
||
| 716 | * @param host
|
||
| 717 | * Cadena de conexi?n para conectar con el sgbd donde se
|
||
| 718 | * encuentra la tabla
|
||
| 719 | * @param port
|
||
| 720 | * Nombre del sgbd capaz de ejecutar SQL en el que reside la
|
||
| 721 | * tabla. Generalmente ser? la parte de la cadena de conexi?n
|
||
| 722 | * correspondiente a host, puerto y nombre de la base de datos
|
||
| 723 | * @param user
|
||
| 724 | * Nombre de usuario. Null para acceso sin usuario
|
||
| 725 | * @param password
|
||
| 726 | * Si el usuario es null se ignora el password
|
||
| 727 | * @param dbName
|
||
| 728 | * Nombre de la base de datos a la que se accede
|
||
| 729 | * @param sql
|
||
| 730 | * Instrucci?n SQL que define los datos de la tabla
|
||
| 731 | * @param driverInfo
|
||
| 732 | * Informaci?n para saber qu? driver debe acceder a la
|
||
| 733 | * informaci?n. Se escoger? el driver cuyo valor de retorno del
|
||
| 734 | * m?todo getType coincida con este valor
|
||
| 735 | */
|
||
| 736 | public void addDBDataSourceBySQL(String name, String host, int port, |
||
| 737 | String user, String password, String dbName, String sql, |
||
| 738 | String driverInfo) {
|
||
| 739 | DBQuerySourceInfo info = new DBQuerySourceInfo();
|
||
| 740 | info.name = name; |
||
| 741 | info.host = host; |
||
| 742 | info.port = port; |
||
| 743 | info.user = user; |
||
| 744 | info.password = password; |
||
| 745 | info.dbName = dbName; |
||
| 746 | info.dbms = host + ":" + port + "/" + dbName + "," + user + "," |
||
| 747 | + password; |
||
| 748 | info.sql = sql; |
||
| 749 | info.driverName = driverInfo; |
||
| 750 | tableSource.put(name, info); |
||
| 751 | } |
||
| 752 | 3199 | fjp | |
| 753 | 4919 | jmvivo | |
| 754 | 4050 | fjp | /**
|
| 755 | * A?ade un origen de datos de base de datos al sistema
|
||
| 756 | 4186 | caballero | *
|
| 757 | 4919 | jmvivo | * @param name
|
| 758 | * Nombre de la tabla con el que se har? referencia en las
|
||
| 759 | * instrucciones
|
||
| 760 | * @param connection
|
||
| 761 | * Conexion de JDBC a la base de datos ya abierta (el
|
||
| 762 | * DataSource la usara, pero no la abrira/cerrara)
|
||
| 763 | * @param sql
|
||
| 764 | * Instrucci?n SQL que define los datos de la tabla
|
||
| 765 | * @param driverInfo
|
||
| 766 | * Informaci?n para saber qu? driver debe acceder a la
|
||
| 767 | * informaci?n. Se escoger? el driver cuyo valor de retorno del
|
||
| 768 | * m?todo getType coincida con este valor
|
||
| 769 | */
|
||
| 770 | public void addDBDataSourceBySQL(String name, Connection connection, String sql, |
||
| 771 | String driverInfo) {
|
||
| 772 | DBQuerySourceInfo info = new DBQuerySourceInfo();
|
||
| 773 | info.name = name; |
||
| 774 | info.host = "";
|
||
| 775 | info.port = -1;
|
||
| 776 | info.user = "";
|
||
| 777 | info.password = "";
|
||
| 778 | info.dbName = "";
|
||
| 779 | info.dbms ="";
|
||
| 780 | info.connection = connection; |
||
| 781 | info.sql = sql; |
||
| 782 | info.driverName = driverInfo; |
||
| 783 | tableSource.put(name, info); |
||
| 784 | } |
||
| 785 | |||
| 786 | |||
| 787 | |||
| 788 | |||
| 789 | |||
| 790 | |||
| 791 | |||
| 792 | /**
|
||
| 793 | * A?ade un origen de datos de base de datos al sistema
|
||
| 794 | *
|
||
| 795 | 4050 | fjp | * @param host
|
| 796 | * Cadena de conexi?n para conectar con el sgbd donde se
|
||
| 797 | * encuentra la tabla
|
||
| 798 | * @param port
|
||
| 799 | * Nombre del sgbd capaz de ejecutar SQL en el que reside la
|
||
| 800 | * tabla. Generalmente ser? la parte de la cadena de conexi?n
|
||
| 801 | * correspondiente a host, puerto y nombre de la base de datos
|
||
| 802 | * @param user
|
||
| 803 | * Nombre de usuario. Null para acceso sin usuario
|
||
| 804 | * @param password
|
||
| 805 | * Si el usuario es null se ignora el password
|
||
| 806 | * @param dbName
|
||
| 807 | * Nombre de la base de datos a la que se accede
|
||
| 808 | * @param sql
|
||
| 809 | * Instrucci?n SQL que define los datos de la tabla
|
||
| 810 | * @param driverInfo
|
||
| 811 | * Informaci?n para saber qu? driver debe acceder a la
|
||
| 812 | * informaci?n. Se escoger? el driver cuyo valor de retorno del
|
||
| 813 | * m?todo getType coincida con este valor
|
||
| 814 | 4186 | caballero | *
|
| 815 | 4050 | fjp | * @return Nombre de la tabla con el que se har? referencia en las
|
| 816 | * instrucciones
|
||
| 817 | */
|
||
| 818 | public String addDBDataSourceBySQL(String host, int port, String user, |
||
| 819 | String password, String dbName, String sql, String driverInfo) { |
||
| 820 | String ret = getUID();
|
||
| 821 | addDBDataSourceBySQL(ret, host, port, user, password, dbName, sql, |
||
| 822 | driverInfo); |
||
| 823 | 3199 | fjp | |
| 824 | 4050 | fjp | return ret;
|
| 825 | } |
||
| 826 | 4919 | jmvivo | |
| 827 | /**
|
||
| 828 | * A?ade un origen de datos de base de datos al sistema
|
||
| 829 | *
|
||
| 830 | * @param connection
|
||
| 831 | * Conexion de JDBC ya abierta (el DataSource la usara
|
||
| 832 | * pero no la abrira/cerrara)
|
||
| 833 | * @param sql
|
||
| 834 | * Instrucci?n SQL que define los datos de la tabla
|
||
| 835 | * @param driverInfo
|
||
| 836 | * Informaci?n para saber qu? driver debe acceder a la
|
||
| 837 | * informaci?n. Se escoger? el driver cuyo valor de retorno del
|
||
| 838 | * m?todo getType coincida con este valor
|
||
| 839 | *
|
||
| 840 | * @return Nombre de la tabla con el que se har? referencia en las
|
||
| 841 | * instrucciones
|
||
| 842 | */
|
||
| 843 | public String addDBDataSourceBySQL(Connection connection, String sql, String driverInfo) { |
||
| 844 | String ret = getUID();
|
||
| 845 | addDBDataSourceBySQL(ret, connection, sql, |
||
| 846 | driverInfo); |
||
| 847 | 3199 | fjp | |
| 848 | 4919 | jmvivo | return ret;
|
| 849 | } |
||
| 850 | |||
| 851 | |||
| 852 | 4050 | fjp | /**
|
| 853 | * Cambia el nombre de una fuente de datos. Las consultas SQL que se
|
||
| 854 | * ejecuten con el nombre anterior fallar?n
|
||
| 855 | 4186 | caballero | *
|
| 856 | 4050 | fjp | * @param oldName
|
| 857 | * Nombre actual de la fuente de datos que se quiere cambiar
|
||
| 858 | * @param newName
|
||
| 859 | * Nombre que se le quiere poner a la fuente de datos
|
||
| 860 | 4186 | caballero | *
|
| 861 | 4050 | fjp | * @throws NoSuchTableException
|
| 862 | * Si no hay ninguna fuente de datos de nombre 'oldName'
|
||
| 863 | */
|
||
| 864 | public void changeDataSourceName(String oldName, String newName) |
||
| 865 | throws NoSuchTableException {
|
||
| 866 | SourceInfo di = (SourceInfo) tableSource.remove(oldName); |
||
| 867 | 3199 | fjp | |
| 868 | 4050 | fjp | if (di == null) { |
| 869 | throw new NoSuchTableException(oldName); |
||
| 870 | } |
||
| 871 | 3199 | fjp | |
| 872 | 4050 | fjp | tableSource.put(newName, di); |
| 873 | } |
||
| 874 | 3199 | fjp | |
| 875 | 4050 | fjp | /**
|
| 876 | * Gets the data source passed by adding the AutomaticDataSource decorator
|
||
| 877 | * if factory mode is AUTOMATIC.
|
||
| 878 | 4186 | caballero | *
|
| 879 | 4050 | fjp | * @param ds
|
| 880 | * DataSource
|
||
| 881 | * @param mode
|
||
| 882 | * opening mode
|
||
| 883 | 4186 | caballero | *
|
| 884 | 4050 | fjp | * @return DataSource
|
| 885 | */
|
||
| 886 | private DataSource getModedDataSource(DataSource ds, int mode) { |
||
| 887 | if (mode == AUTOMATIC_OPENING) {
|
||
| 888 | return new AutomaticDataSource(ds, delay); |
||
| 889 | } else {
|
||
| 890 | return ds;
|
||
| 891 | } |
||
| 892 | } |
||
| 893 | 3199 | fjp | |
| 894 | 4050 | fjp | /**
|
| 895 | * Sets the minimum delay between accesses needed to close the DataSource.
|
||
| 896 | * If accesses are delayed more than 'delay' the DataSource MAY be closed.
|
||
| 897 | * Only applies when the mode is set to AUTOMATIC_MODE
|
||
| 898 | 4186 | caballero | *
|
| 899 | 4050 | fjp | * @param delay
|
| 900 | * time un milliseconds
|
||
| 901 | */
|
||
| 902 | public void setClosingDelay(long delay) { |
||
| 903 | this.delay = delay;
|
||
| 904 | } |
||
| 905 | 3199 | fjp | |
| 906 | 4050 | fjp | /**
|
| 907 | * Dado el nombre de una tabla, se busca la fuente de datos asociada a dicha
|
||
| 908 | * tabla y se obtiene un datasource adecuado en funcion del tipo de fuente
|
||
| 909 | * de datos accediendo al subsistema de drivers
|
||
| 910 | 4186 | caballero | *
|
| 911 | 4050 | fjp | * @param tableName
|
| 912 | * Nombre de la fuente de datos
|
||
| 913 | 4186 | caballero | *
|
| 914 | 4050 | fjp | * @return DataSource que accede a dicha fuente
|
| 915 | 4186 | caballero | *
|
| 916 | 4050 | fjp | * @throws DriverLoadException
|
| 917 | * @throws NoSuchTableException
|
||
| 918 | * @throws DriverException
|
||
| 919 | */
|
||
| 920 | public DataSource createRandomDataSource(String tableName) |
||
| 921 | throws DriverLoadException, NoSuchTableException, DriverException {
|
||
| 922 | return createRandomDataSource(tableName, tableName, MANUAL_OPENING);
|
||
| 923 | } |
||
| 924 | 3199 | fjp | |
| 925 | 4050 | fjp | /**
|
| 926 | * Dado el nombre de una tabla, se busca la fuente de datos asociada a dicha
|
||
| 927 | * tabla y se obtiene un datasource adecuado en funcion del tipo de fuente
|
||
| 928 | * de datos accediendo al subsistema de drivers
|
||
| 929 | 4186 | caballero | *
|
| 930 | 4050 | fjp | * @param tableName
|
| 931 | * Nombre de la fuente de datos
|
||
| 932 | * @param mode
|
||
| 933 | * opening mode: AUTOMATIC_OPENING -> the DataSource opens
|
||
| 934 | * automatically and closes after a while. It can be closed
|
||
| 935 | * manually. MANUAL_OPENING -> the DataSource opens and closes
|
||
| 936 | * manually
|
||
| 937 | 4186 | caballero | *
|
| 938 | 4050 | fjp | * @return DataSource que accede a dicha fuente
|
| 939 | 4186 | caballero | *
|
| 940 | 4050 | fjp | * @throws DriverLoadException
|
| 941 | * @throws NoSuchTableException
|
||
| 942 | * @throws DriverException
|
||
| 943 | */
|
||
| 944 | public DataSource createRandomDataSource(String tableName, int mode) |
||
| 945 | throws DriverLoadException, NoSuchTableException, DriverException {
|
||
| 946 | return createRandomDataSource(tableName, tableName, mode);
|
||
| 947 | } |
||
| 948 | 3199 | fjp | |
| 949 | 4050 | fjp | /**
|
| 950 | * Dado el nombre de una tabla, se busca la fuente de datos asociada a dicha
|
||
| 951 | * tabla y se obtiene un datasource adecuado en funcion del tipo de fuente
|
||
| 952 | * de datos accediendo al subsistema de drivers. Se utiliza internamente
|
||
| 953 | * como nombre del DataSource el alias que se pasa como par?metro
|
||
| 954 | 4186 | caballero | *
|
| 955 | 4050 | fjp | * @param tableName
|
| 956 | * Nombre de la fuente de datos
|
||
| 957 | * @param tableAlias
|
||
| 958 | * Alias que tiene el DataSource en una instrucci?n
|
||
| 959 | 4186 | caballero | *
|
| 960 | 4050 | fjp | * @return DataSource que accede a dicha fuente de datos si la fuente de
|
| 961 | * datos es alfanum?rica o SpatialDataSource si la fuente de datos
|
||
| 962 | * es espacial
|
||
| 963 | 4186 | caballero | *
|
| 964 | 4050 | fjp | * @throws NoSuchTableException
|
| 965 | * Si no hay una fuente de datos registrada con ese nombre
|
||
| 966 | * @throws DriverLoadException
|
||
| 967 | * Si hay alg?n error con el sistema de carga de drivers
|
||
| 968 | * @throws DriverException
|
||
| 969 | * If the created DataSource have to access some data this
|
||
| 970 | * access fails
|
||
| 971 | * @throws RuntimeException
|
||
| 972 | * bug
|
||
| 973 | */
|
||
| 974 | public DataSource createRandomDataSource(String tableName, String tableAlias) |
||
| 975 | throws NoSuchTableException, DriverLoadException, DriverException {
|
||
| 976 | return createRandomDataSource(tableName, tableAlias, MANUAL_OPENING);
|
||
| 977 | } |
||
| 978 | 3199 | fjp | |
| 979 | 4050 | fjp | /**
|
| 980 | * Dado el nombre de una tabla, se busca la fuente de datos asociada a dicha
|
||
| 981 | * tabla y se obtiene un datasource adecuado en funcion del tipo de fuente
|
||
| 982 | * de datos accediendo al subsistema de drivers. Se utiliza internamente
|
||
| 983 | * como nombre del DataSource el alias que se pasa como par?metro
|
||
| 984 | 4186 | caballero | *
|
| 985 | 4050 | fjp | * @param tableName
|
| 986 | * Nombre de la fuente de datos
|
||
| 987 | * @param tableAlias
|
||
| 988 | * Alias que tiene el DataSource en una instrucci?n
|
||
| 989 | * @param mode
|
||
| 990 | * openning mode
|
||
| 991 | 4186 | caballero | *
|
| 992 | 4050 | fjp | * @return DataSource que accede a dicha fuente de datos si la fuente de
|
| 993 | * datos es alfanum?rica o SpatialDataSource si la fuente de datos
|
||
| 994 | * es espacial
|
||
| 995 | 4186 | caballero | *
|
| 996 | 4050 | fjp | * @throws NoSuchTableException
|
| 997 | * Si no hay una fuente de datos registrada con ese nombre
|
||
| 998 | * @throws DriverLoadException
|
||
| 999 | * Si hay alg?n error con el sistema de carga de drivers
|
||
| 1000 | * @throws DriverException
|
||
| 1001 | * If the created DataSource have to access some data this
|
||
| 1002 | * access fails
|
||
| 1003 | * @throws RuntimeException
|
||
| 1004 | * bug
|
||
| 1005 | */
|
||
| 1006 | public DataSource createRandomDataSource(String tableName, |
||
| 1007 | String tableAlias, int mode) throws NoSuchTableException, |
||
| 1008 | DriverLoadException, DriverException {
|
||
| 1009 | Object o = tableSource.get(tableName);
|
||
| 1010 | 3199 | fjp | |
| 1011 | 4050 | fjp | if (o == null) { |
| 1012 | // may be a operation layer DataSource
|
||
| 1013 | OperationDataSource ret = (OperationDataSource) nameOperationDataSource |
||
| 1014 | .get(tableName); |
||
| 1015 | 3199 | fjp | |
| 1016 | 4050 | fjp | if (ret != null) { |
| 1017 | ret.setName(tableAlias); |
||
| 1018 | 3199 | fjp | |
| 1019 | 4050 | fjp | return getModedDataSource(ret, mode);
|
| 1020 | } |
||
| 1021 | 3199 | fjp | |
| 1022 | 4050 | fjp | // table not found
|
| 1023 | throw new NoSuchTableException(tableName); |
||
| 1024 | } |
||
| 1025 | 3199 | fjp | |
| 1026 | 4050 | fjp | SourceInfo info = (SourceInfo) o; |
| 1027 | info.name = tableAlias; |
||
| 1028 | 3199 | fjp | |
| 1029 | 4050 | fjp | if (info instanceof FileSourceInfo) { |
| 1030 | FileSourceInfo fileInfo = (FileSourceInfo) info; |
||
| 1031 | 3199 | fjp | |
| 1032 | 5579 | jmvivo | Driver d = this.getDriver(fileInfo.driverName); |
| 1033 | 3199 | fjp | |
| 1034 | 4050 | fjp | if (info instanceof FileCreationSourceInfo) { |
| 1035 | FileCreationSourceInfo creationInfo = (FileCreationSourceInfo) info; |
||
| 1036 | try {
|
||
| 1037 | if (!new File(creationInfo.file).exists()) { |
||
| 1038 | ((FileDriver) d).createSource(creationInfo.file, |
||
| 1039 | creationInfo.fieldNames, |
||
| 1040 | creationInfo.fieldTypes); |
||
| 1041 | } |
||
| 1042 | } catch (IOException e) { |
||
| 1043 | throw new DriverException(e); |
||
| 1044 | } |
||
| 1045 | } |
||
| 1046 | 3199 | fjp | |
| 1047 | 4050 | fjp | FileDataSource adapter; |
| 1048 | 3199 | fjp | |
| 1049 | 4050 | fjp | if (fileInfo.spatial) {
|
| 1050 | adapter = FileDataSourceFactory.newSpatialInstance(); |
||
| 1051 | } else {
|
||
| 1052 | adapter = FileDataSourceFactory.newInstance(); |
||
| 1053 | } |
||
| 1054 | 3199 | fjp | |
| 1055 | 4050 | fjp | ((GDBMSDriver) d).setDataSourceFactory(this);
|
| 1056 | adapter.setDriver((FileDriver) d); |
||
| 1057 | adapter.setSourceInfo(fileInfo); |
||
| 1058 | adapter.setDataSourceFactory(this);
|
||
| 1059 | 3199 | fjp | |
| 1060 | 4050 | fjp | return getModedDataSource(adapter, mode);
|
| 1061 | } else if (info instanceof DBQuerySourceInfo) { |
||
| 1062 | DBQuerySourceInfo dbInfo = (DBQuerySourceInfo) info; |
||
| 1063 | 3199 | fjp | |
| 1064 | 4050 | fjp | String driverInfo = dbInfo.driverName;
|
| 1065 | 5579 | jmvivo | Driver d = this.getDriver(driverInfo); |
| 1066 | 3199 | fjp | |
| 1067 | 4050 | fjp | ((GDBMSDriver) d).setDataSourceFactory(this);
|
| 1068 | return getModedDataSource(getDataSourceByQuery(dbInfo.sql,
|
||
| 1069 | (AlphanumericDBDriver) d, dbInfo), mode); |
||
| 1070 | } else if (info instanceof DBTableSourceInfo) { |
||
| 1071 | DBTableSourceInfo dbInfo = (DBTableSourceInfo) info; |
||
| 1072 | 3199 | fjp | |
| 1073 | 4050 | fjp | String driverInfo = dbInfo.driverName;
|
| 1074 | 5579 | jmvivo | Driver d = this.getDriver(driverInfo); |
| 1075 | 3199 | fjp | |
| 1076 | 4050 | fjp | DBDataSource adapter; |
| 1077 | 3199 | fjp | |
| 1078 | 4050 | fjp | if (info instanceof SpatialDBTableSourceInfo) { |
| 1079 | adapter = DBDataSourceFactory.newSpatialDataSourceInstance(); |
||
| 1080 | } else {
|
||
| 1081 | adapter = DBDataSourceFactory.newDataSourceInstance(); |
||
| 1082 | } |
||
| 1083 | 3199 | fjp | |
| 1084 | 4050 | fjp | ((GDBMSDriver) d).setDataSourceFactory(this);
|
| 1085 | adapter.setDriver((DBDriver) d); |
||
| 1086 | adapter.setSourceInfo(dbInfo); |
||
| 1087 | adapter.setDataSourceFactory(this);
|
||
| 1088 | 3199 | fjp | |
| 1089 | 4050 | fjp | return getModedDataSource(adapter, mode);
|
| 1090 | } else if (info instanceof ObjectSourceInfo) { |
||
| 1091 | ObjectSourceInfo driverInfo = (ObjectSourceInfo) o; |
||
| 1092 | ObjectDataSource adapter = ObjectDataSourceFactory.newInstance(); |
||
| 1093 | driverInfo.driver.setDataSourceFactory(this);
|
||
| 1094 | adapter.setDriver(driverInfo.driver); |
||
| 1095 | adapter.setSourceInfo((ObjectSourceInfo) driverInfo); |
||
| 1096 | adapter.setDataSourceFactory(this);
|
||
| 1097 | 3199 | fjp | |
| 1098 | 4050 | fjp | return getModedDataSource(adapter, mode);
|
| 1099 | } else {
|
||
| 1100 | throw new RuntimeException(); |
||
| 1101 | } |
||
| 1102 | } |
||
| 1103 | 3199 | fjp | |
| 1104 | 4050 | fjp | /**
|
| 1105 | * Creates a DataSource from a memento object with the manual opening mode
|
||
| 1106 | 4186 | caballero | *
|
| 1107 | 4050 | fjp | * @param m
|
| 1108 | * memento
|
||
| 1109 | 4186 | caballero | *
|
| 1110 | 4050 | fjp | * @return DataSource
|
| 1111 | 4186 | caballero | *
|
| 1112 | 4050 | fjp | * @throws RuntimeException
|
| 1113 | * If the DataSource class cannot be instatiated
|
||
| 1114 | */
|
||
| 1115 | public DataSource createRandomDataSource(Memento m) { |
||
| 1116 | return createRandomDataSource(m, DataSourceFactory.MANUAL_OPENING);
|
||
| 1117 | } |
||
| 1118 | 3199 | fjp | |
| 1119 | 4050 | fjp | /**
|
| 1120 | * Creates a DataSource from a memento object with the specified opening
|
||
| 1121 | * mode
|
||
| 1122 | 4186 | caballero | *
|
| 1123 | 4050 | fjp | * @param m
|
| 1124 | * memento
|
||
| 1125 | * @param mode
|
||
| 1126 | * opening mode
|
||
| 1127 | 4186 | caballero | *
|
| 1128 | 4050 | fjp | * @return DataSource
|
| 1129 | 4186 | caballero | *
|
| 1130 | 4050 | fjp | * @throws RuntimeException
|
| 1131 | * If the DataSource class cannot be instatiated
|
||
| 1132 | */
|
||
| 1133 | public DataSource createRandomDataSource(Memento m, int mode) { |
||
| 1134 | if (m instanceof DataSourceLayerMemento) { |
||
| 1135 | DataSourceLayerMemento mem = (DataSourceLayerMemento) m; |
||
| 1136 | 3199 | fjp | |
| 1137 | 4050 | fjp | try {
|
| 1138 | return createRandomDataSource(mem.getTableName(), mem
|
||
| 1139 | .getTableAlias(), mode); |
||
| 1140 | } catch (DriverLoadException e) {
|
||
| 1141 | throw new RuntimeException( |
||
| 1142 | "La informaci?n guardada no es consistente", e);
|
||
| 1143 | } catch (NoSuchTableException e) {
|
||
| 1144 | throw new RuntimeException( |
||
| 1145 | "La informaci?n guardada no es consistente", e);
|
||
| 1146 | } catch (DriverException e) {
|
||
| 1147 | throw new RuntimeException(e); |
||
| 1148 | } |
||
| 1149 | } else {
|
||
| 1150 | OperationLayerMemento mem = (OperationLayerMemento) m; |
||
| 1151 | 3199 | fjp | |
| 1152 | 4050 | fjp | try {
|
| 1153 | return executeSQL(mem.getSql(), mode);
|
||
| 1154 | } catch (DriverLoadException e) {
|
||
| 1155 | throw new RuntimeException( |
||
| 1156 | "La informaci?n guardada no es consistente", e);
|
||
| 1157 | } catch (ParseException e) { |
||
| 1158 | throw new RuntimeException( |
||
| 1159 | "La informaci?n guardada no es consistente", e);
|
||
| 1160 | } catch (DriverException e) {
|
||
| 1161 | throw new RuntimeException( |
||
| 1162 | "La informaci?n guardada no es consistente", e);
|
||
| 1163 | } catch (SemanticException e) {
|
||
| 1164 | throw new RuntimeException( |
||
| 1165 | "La informaci?n guardada no es consistente", e);
|
||
| 1166 | } catch (IOException e) { |
||
| 1167 | throw new RuntimeException( |
||
| 1168 | "La informaci?n guardada no es consistente", e);
|
||
| 1169 | } catch (EvaluationException e) {
|
||
| 1170 | throw new RuntimeException( |
||
| 1171 | "La informaci?n guardada no es consistente", e);
|
||
| 1172 | } |
||
| 1173 | } |
||
| 1174 | } |
||
| 1175 | 3199 | fjp | |
| 1176 | 4050 | fjp | /**
|
| 1177 | * Devuelve true si todas las tablas provienen del mismo data base
|
||
| 1178 | * management system
|
||
| 1179 | 4186 | caballero | *
|
| 1180 | 4050 | fjp | * @param tables
|
| 1181 | * Array de tablas
|
||
| 1182 | 4186 | caballero | *
|
| 1183 | 4050 | fjp | * @return boolean
|
| 1184 | */
|
||
| 1185 | private boolean sameDBMS(DataSource[] tables) { |
||
| 1186 | if (!(tables[0] instanceof DBDataSource)) { |
||
| 1187 | return false; |
||
| 1188 | } |
||
| 1189 | 3199 | fjp | |
| 1190 | 4050 | fjp | String dbms = ((DBDataSource) tables[0]).getDBMS(); |
| 1191 | 3199 | fjp | |
| 1192 | 4050 | fjp | for (int i = 1; i < tables.length; i++) { |
| 1193 | if (!(tables[i] instanceof DBDataSource)) { |
||
| 1194 | return false; |
||
| 1195 | } |
||
| 1196 | 3199 | fjp | |
| 1197 | 4050 | fjp | if (!dbms.equals(((DBDataSource) tables[1]).getDBMS())) { |
| 1198 | return false; |
||
| 1199 | } |
||
| 1200 | } |
||
| 1201 | 3199 | fjp | |
| 1202 | 4050 | fjp | return true; |
| 1203 | } |
||
| 1204 | 3199 | fjp | |
| 1205 | 4050 | fjp | /**
|
| 1206 | * A partir de una instrucci?n select se encarga de obtener el DataSource
|
||
| 1207 | * resultado de la ejecuci?n de dicha instrucci?n
|
||
| 1208 | 4186 | caballero | *
|
| 1209 | 4050 | fjp | * @param instr
|
| 1210 | * Instrucci?n select origen del datasource
|
||
| 1211 | * @param mode
|
||
| 1212 | * opening mode
|
||
| 1213 | 4186 | caballero | *
|
| 1214 | 4050 | fjp | * @return DataSource que accede a los datos resultado de ejecutar la select
|
| 1215 | 4186 | caballero | *
|
| 1216 | 4050 | fjp | * @throws DriverLoadException
|
| 1217 | * @throws DriverException
|
||
| 1218 | * Si fallo la lectura de la fuente de datos por parte del
|
||
| 1219 | * driver
|
||
| 1220 | * @throws SemanticException
|
||
| 1221 | * Si la instrucci?n tiene errores sem?nticos
|
||
| 1222 | * @throws IOException
|
||
| 1223 | * Si se produce un error accediendo a las estructuras de datos
|
||
| 1224 | * internas
|
||
| 1225 | * @throws EvaluationException
|
||
| 1226 | * If there's an error evaluating any expression
|
||
| 1227 | */
|
||
| 1228 | public DataSource createRandomDataSource(SelectAdapter instr, int mode) |
||
| 1229 | throws DriverLoadException, DriverException, SemanticException,
|
||
| 1230 | IOException, EvaluationException {
|
||
| 1231 | return getModedDataSource(getDataSource(instr), mode);
|
||
| 1232 | } |
||
| 1233 | 3199 | fjp | |
| 1234 | 4050 | fjp | /**
|
| 1235 | * Creates a view in the database management system that hosts the data
|
||
| 1236 | * source 'dbds'. The view is defined by the sql parameter
|
||
| 1237 | 4186 | caballero | *
|
| 1238 | 4050 | fjp | * @param dbds
|
| 1239 | * DataSource used to execute the query
|
||
| 1240 | * @param sql
|
||
| 1241 | * The SQL query defining the view
|
||
| 1242 | 4186 | caballero | *
|
| 1243 | 4050 | fjp | * @return Name of the view
|
| 1244 | 4186 | caballero | *
|
| 1245 | 4050 | fjp | * @throws DriverException
|
| 1246 | * If the view cannot be created
|
||
| 1247 | */
|
||
| 1248 | private String getView(DBDataSource dbds, String sql) |
||
| 1249 | throws DriverException {
|
||
| 1250 | ServerViewInfo svi = (ServerViewInfo) sourceInfoServerViewInfo.get(dbds |
||
| 1251 | .getSourceInfo()); |
||
| 1252 | 3199 | fjp | |
| 1253 | 4050 | fjp | /*
|
| 1254 | * Return the view name if it's already created or create the view if
|
||
| 1255 | * it's not created
|
||
| 1256 | */
|
||
| 1257 | if (svi != null) { |
||
| 1258 | return svi.viewName;
|
||
| 1259 | } else {
|
||
| 1260 | // create the view
|
||
| 1261 | String viewName = getUID();
|
||
| 1262 | String viewQuery = "CREATE VIEW " + viewName + " AS " + sql; |
||
| 1263 | dbds.execute(viewQuery); |
||
| 1264 | 3199 | fjp | |
| 1265 | 4050 | fjp | // Register the view created
|
| 1266 | sourceInfoServerViewInfo.put(dbds.getSourceInfo(), |
||
| 1267 | new ServerViewInfo(dbds, viewName));
|
||
| 1268 | 3199 | fjp | |
| 1269 | 4050 | fjp | return viewName;
|
| 1270 | } |
||
| 1271 | } |
||
| 1272 | 3199 | fjp | |
| 1273 | 4050 | fjp | /**
|
| 1274 | * Gets a DataSource implementation with the sql instruction as the data
|
||
| 1275 | * source by creating a view in the underlaying datasource management system
|
||
| 1276 | 4186 | caballero | *
|
| 1277 | 4050 | fjp | * @param sql
|
| 1278 | * Instruction definig the data source
|
||
| 1279 | * @param driver
|
||
| 1280 | * Driver used to access the data source
|
||
| 1281 | * @param dbInfo
|
||
| 1282 | * data source info
|
||
| 1283 | 4186 | caballero | *
|
| 1284 | 4050 | fjp | * @return DataSource
|
| 1285 | 4186 | caballero | *
|
| 1286 | 4050 | fjp | * @throws DriverException
|
| 1287 | * If cannot create the view
|
||
| 1288 | */
|
||
| 1289 | private DBDataSource getDataSourceByQuery(String sql, |
||
| 1290 | AlphanumericDBDriver driver, DBTableSourceInfo dbInfo) |
||
| 1291 | throws DriverException {
|
||
| 1292 | // Create the adapter
|
||
| 1293 | DBDataSource adapter = DBDataSourceFactory.newDataSourceInstance(); |
||
| 1294 | 3199 | fjp | |
| 1295 | 4050 | fjp | // set the driver
|
| 1296 | adapter.setDriver(driver); |
||
| 1297 | 3199 | fjp | |
| 1298 | 4050 | fjp | // Create the query
|
| 1299 | adapter.setSourceInfo(dbInfo); |
||
| 1300 | 3199 | fjp | |
| 1301 | 4050 | fjp | // Gets the view name
|
| 1302 | String viewName = getView(adapter, sql);
|
||
| 1303 | 3199 | fjp | |
| 1304 | 4050 | fjp | // Complete the source info with the view name
|
| 1305 | dbInfo.tableName = viewName; |
||
| 1306 | 3199 | fjp | |
| 1307 | 4050 | fjp | // Register the name association
|
| 1308 | nameTable.put(dbInfo.name, viewName); |
||
| 1309 | 3199 | fjp | |
| 1310 | 4050 | fjp | // setup the adapter
|
| 1311 | adapter.setSourceInfo(dbInfo); |
||
| 1312 | adapter.setDataSourceFactory(this);
|
||
| 1313 | 3199 | fjp | |
| 1314 | 4050 | fjp | return adapter;
|
| 1315 | } |
||
| 1316 | 3199 | fjp | |
| 1317 | 4050 | fjp | /**
|
| 1318 | * A partir de una instrucci?n select se encarga de obtener el DataSource
|
||
| 1319 | * resultado de la ejecuci?n de dicha instrucci?n
|
||
| 1320 | 4186 | caballero | *
|
| 1321 | 4050 | fjp | * @param instr
|
| 1322 | * Instrucci?n select origen del datasource
|
||
| 1323 | 4186 | caballero | *
|
| 1324 | 4050 | fjp | * @return DataSource que accede a los datos resultado de ejecutar la select
|
| 1325 | 4186 | caballero | *
|
| 1326 | 4050 | fjp | * @throws DriverException
|
| 1327 | * @throws SemanticException
|
||
| 1328 | * @throws IOException
|
||
| 1329 | * @throws EvaluationException
|
||
| 1330 | * @throws RuntimeException
|
||
| 1331 | * bug
|
||
| 1332 | */
|
||
| 1333 | private DataSource getDataSource(SelectAdapter instr) |
||
| 1334 | throws DriverException, SemanticException, IOException, |
||
| 1335 | EvaluationException {
|
||
| 1336 | DataSource[] tables = instr.getTables(); |
||
| 1337 | 3199 | fjp | |
| 1338 | 4050 | fjp | // Estrategia de delegaci?n de la instrucci?n en el sgbd original de la
|
| 1339 | // tabla
|
||
| 1340 | if (sameDBMS(tables) && delegating) {
|
||
| 1341 | String sql = translateInstruction(instr, tables);
|
||
| 1342 | 3199 | fjp | |
| 1343 | 4050 | fjp | DBDataSource table = (DBDataSource) tables[0];
|
| 1344 | 3199 | fjp | |
| 1345 | 4050 | fjp | // Set the driver info
|
| 1346 | DBSourceInfo source = (DBSourceInfo) table.getSourceInfo(); |
||
| 1347 | String dataSourceName = addDBDataSourceBySQL(source.host,
|
||
| 1348 | source.port, source.user, source.password, source.dbName, |
||
| 1349 | sql, source.driverName); |
||
| 1350 | 3199 | fjp | |
| 1351 | 4050 | fjp | try {
|
| 1352 | return createRandomDataSource(dataSourceName,
|
||
| 1353 | DataSourceFactory.MANUAL_OPENING); |
||
| 1354 | } catch (NoSuchTableException e) {
|
||
| 1355 | throw new RuntimeException(e); |
||
| 1356 | } catch (DriverLoadException e) {
|
||
| 1357 | throw new RuntimeException(e); |
||
| 1358 | } catch (DriverException e) {
|
||
| 1359 | throw new RuntimeException(e); |
||
| 1360 | } |
||
| 1361 | } |
||
| 1362 | 3199 | fjp | |
| 1363 | 4050 | fjp | // Estrategia normal
|
| 1364 | Strategy strategy = StrategyManager.getStrategy(instr); |
||
| 1365 | 3199 | fjp | |
| 1366 | 4050 | fjp | OperationDataSource ret = strategy.select(instr); |
| 1367 | 3199 | fjp | |
| 1368 | 4050 | fjp | ret.setName(getUID()); |
| 1369 | nameOperationDataSource.put(ret.getName(), ret); |
||
| 1370 | 3199 | fjp | |
| 1371 | 4050 | fjp | return ret;
|
| 1372 | } |
||
| 1373 | 3199 | fjp | |
| 1374 | 4050 | fjp | /**
|
| 1375 | * Translates the table references by changind the gdbms name with the
|
||
| 1376 | * underlaying database management system table name
|
||
| 1377 | 4186 | caballero | *
|
| 1378 | 4050 | fjp | * @param instr
|
| 1379 | * root of the adapted tree
|
||
| 1380 | * @param tables
|
||
| 1381 | * DataSources involved in the instruction
|
||
| 1382 | 4186 | caballero | *
|
| 1383 | 4050 | fjp | * @return The translated sql query
|
| 1384 | 4186 | caballero | *
|
| 1385 | 4050 | fjp | * @throws DriverException
|
| 1386 | * If driver access fails
|
||
| 1387 | * @throws SemanticException
|
||
| 1388 | * If the instruction is not semantically correct
|
||
| 1389 | */
|
||
| 1390 | private String translateInstruction(Adapter instr, DataSource[] tables) |
||
| 1391 | throws DriverException, SemanticException {
|
||
| 1392 | HashMap instrNameDBName = new HashMap(); |
||
| 1393 | 3199 | fjp | |
| 1394 | 4050 | fjp | translateFromTables(instr, instrNameDBName); |
| 1395 | translateColRefs(instr, instrNameDBName, tables); |
||
| 1396 | 3199 | fjp | |
| 1397 | 4050 | fjp | return Utilities.getText(instr.getEntity()); |
| 1398 | } |
||
| 1399 | 3199 | fjp | |
| 1400 | 4050 | fjp | /**
|
| 1401 | * Gets the name of the table where the field is in
|
||
| 1402 | 4186 | caballero | *
|
| 1403 | 4050 | fjp | * @param fieldName
|
| 1404 | * field whose table wants to be guessed
|
||
| 1405 | * @param tables
|
||
| 1406 | * tables involved in the search
|
||
| 1407 | 4186 | caballero | *
|
| 1408 | 4050 | fjp | * @return table name
|
| 1409 | 4186 | caballero | *
|
| 1410 | 4050 | fjp | * @throws DriverException
|
| 1411 | * If driver access fails
|
||
| 1412 | * @throws SemanticException
|
||
| 1413 | * If the instruction is not semantically correct
|
||
| 1414 | */
|
||
| 1415 | private String guessTableName(String fieldName, DataSource[] tables) |
||
| 1416 | throws DriverException, SemanticException {
|
||
| 1417 | int tableIndex = -1; |
||
| 1418 | 3199 | fjp | |
| 1419 | 4050 | fjp | for (int i = 0; i < tables.length; i++) { |
| 1420 | tables[i].start(); |
||
| 1421 | 3199 | fjp | |
| 1422 | 4050 | fjp | if (tables[i].getFieldIndexByName(fieldName) != -1) { |
| 1423 | if (tableIndex != -1) { |
||
| 1424 | throw new SemanticException("ambiguous column reference: " |
||
| 1425 | + fieldName); |
||
| 1426 | } else {
|
||
| 1427 | tableIndex = i; |
||
| 1428 | } |
||
| 1429 | } |
||
| 1430 | 3199 | fjp | |
| 1431 | 4050 | fjp | tables[i].stop(); |
| 1432 | } |
||
| 1433 | 3199 | fjp | |
| 1434 | 4050 | fjp | if (tableIndex == -1) { |
| 1435 | throw new SemanticException("Field not found: " + fieldName); |
||
| 1436 | } |
||
| 1437 | 3199 | fjp | |
| 1438 | 4050 | fjp | return tables[tableIndex].getName();
|
| 1439 | } |
||
| 1440 | 3199 | fjp | |
| 1441 | 4050 | fjp | /**
|
| 1442 | * Translates the table references by changind the gdbms name with the
|
||
| 1443 | * underlaying database management system table name
|
||
| 1444 | 4186 | caballero | *
|
| 1445 | 4050 | fjp | * @param adapter
|
| 1446 | * adapter processed
|
||
| 1447 | * @param instrNameDBName
|
||
| 1448 | * hasmap with the gdbms names a s the keys and the database name
|
||
| 1449 | * as the values.
|
||
| 1450 | * @param tables
|
||
| 1451 | * tables involved in the instruction
|
||
| 1452 | 4186 | caballero | *
|
| 1453 | 4050 | fjp | * @throws DriverException
|
| 1454 | * If driver access fails
|
||
| 1455 | * @throws SemanticException
|
||
| 1456 | * If the instruction is not semantically correct
|
||
| 1457 | */
|
||
| 1458 | private void translateColRefs(Adapter adapter, HashMap instrNameDBName, |
||
| 1459 | DataSource[] tables) throws DriverException, SemanticException { |
||
| 1460 | if (adapter instanceof ColRefAdapter) { |
||
| 1461 | ColRefAdapter tra = (ColRefAdapter) adapter; |
||
| 1462 | SimpleNode s = tra.getEntity(); |
||
| 1463 | 3199 | fjp | |
| 1464 | 4050 | fjp | if (s.first_token != s.last_token) {
|
| 1465 | String name = s.first_token.image;
|
||
| 1466 | s.first_token.image = instrNameDBName.get(name).toString(); |
||
| 1467 | } else {
|
||
| 1468 | String tableName = guessTableName(s.first_token.image, tables);
|
||
| 1469 | s.first_token.image = instrNameDBName.get(tableName) + "."
|
||
| 1470 | + s.first_token.image; |
||
| 1471 | } |
||
| 1472 | } else {
|
||
| 1473 | Adapter[] hijos = adapter.getChilds();
|
||
| 1474 | 3199 | fjp | |
| 1475 | 4050 | fjp | for (int i = 0; i < hijos.length; i++) { |
| 1476 | translateColRefs(hijos[i], instrNameDBName, tables); |
||
| 1477 | } |
||
| 1478 | } |
||
| 1479 | } |
||
| 1480 | 3199 | fjp | |
| 1481 | 4050 | fjp | /**
|
| 1482 | * Translates the table references by changind the gdbms name with the
|
||
| 1483 | * underlaying database management system table name
|
||
| 1484 | 4186 | caballero | *
|
| 1485 | 4050 | fjp | * @param adapter
|
| 1486 | * adapter processed
|
||
| 1487 | * @param instrNameDBName
|
||
| 1488 | * hasmap with the gdbms names a s the keys and the database name
|
||
| 1489 | * as the values.
|
||
| 1490 | */
|
||
| 1491 | private void translateFromTables(Adapter adapter, HashMap instrNameDBName) { |
||
| 1492 | if (adapter instanceof TableRefAdapter) { |
||
| 1493 | TableRefAdapter tra = (TableRefAdapter) adapter; |
||
| 1494 | SimpleNode s = tra.getEntity(); |
||
| 1495 | 3199 | fjp | |
| 1496 | 4050 | fjp | if (s.first_token == s.last_token) {
|
| 1497 | String alias = "gdbms" + System.currentTimeMillis(); |
||
| 1498 | String name = s.first_token.image;
|
||
| 1499 | s.first_token.image = nameTable.get(name) + " " + alias;
|
||
| 1500 | instrNameDBName.put(name, alias); |
||
| 1501 | } else {
|
||
| 1502 | String alias = s.last_token.image;
|
||
| 1503 | String name = s.first_token.image;
|
||
| 1504 | s.first_token.image = nameTable.get(name).toString(); |
||
| 1505 | instrNameDBName.put(alias, alias); |
||
| 1506 | } |
||
| 1507 | } else {
|
||
| 1508 | Adapter[] hijos = adapter.getChilds();
|
||
| 1509 | 3199 | fjp | |
| 1510 | 4050 | fjp | for (int i = 0; i < hijos.length; i++) { |
| 1511 | translateFromTables(hijos[i], instrNameDBName); |
||
| 1512 | } |
||
| 1513 | } |
||
| 1514 | } |
||
| 1515 | 3199 | fjp | |
| 1516 | 4050 | fjp | /**
|
| 1517 | * Obtiene el DataSource resultado de ejecutar la instrucci?n de union
|
||
| 1518 | 4186 | caballero | *
|
| 1519 | 4050 | fjp | * @param instr
|
| 1520 | * instrucci?n de union
|
||
| 1521 | * @param mode
|
||
| 1522 | * opening mode
|
||
| 1523 | 4186 | caballero | *
|
| 1524 | 4050 | fjp | * @return DataSource
|
| 1525 | 4186 | caballero | *
|
| 1526 | 4050 | fjp | * @throws DriverException
|
| 1527 | * Si fallo la lectura de la fuente de datos por parte del
|
||
| 1528 | * driver
|
||
| 1529 | * @throws IOException
|
||
| 1530 | * Si se produce un error de entrada/salida
|
||
| 1531 | * @throws SemanticException
|
||
| 1532 | * Si la instrucci?n tiene errores sem?nticos
|
||
| 1533 | * @throws EvaluationException
|
||
| 1534 | * If there's any problem during expresion evaluation
|
||
| 1535 | * @throws ParseException
|
||
| 1536 | * If there is a select statement embeeded in the union
|
||
| 1537 | * statement and its parse fails
|
||
| 1538 | */
|
||
| 1539 | public DataSource createRandomDataSource(UnionAdapter instr, int mode) |
||
| 1540 | throws DriverException, IOException, SemanticException, |
||
| 1541 | EvaluationException, ParseException {
|
||
| 1542 | return getModedDataSource(getDataSource(instr), mode);
|
||
| 1543 | } |
||
| 1544 | 3199 | fjp | |
| 1545 | 4050 | fjp | /**
|
| 1546 | * Obtiene el DataSource resultado de ejecutar la instrucci?n de union
|
||
| 1547 | 4186 | caballero | *
|
| 1548 | 4050 | fjp | * @param instr
|
| 1549 | * instrucci?n de union
|
||
| 1550 | 4186 | caballero | *
|
| 1551 | 4050 | fjp | * @return DataSource
|
| 1552 | 4186 | caballero | *
|
| 1553 | 4050 | fjp | * @throws DriverException
|
| 1554 | * Si fallo la lectura de la fuente de datos por parte del
|
||
| 1555 | * driver
|
||
| 1556 | * @throws IOException
|
||
| 1557 | * Si se produce un error de entrada/salida
|
||
| 1558 | * @throws SemanticException
|
||
| 1559 | * Si la instrucci?n tiene errores sem?nticos
|
||
| 1560 | * @throws ParseException
|
||
| 1561 | * If there is a select statement embeeded in the union
|
||
| 1562 | * statement and its parse fails
|
||
| 1563 | * @throws EvaluationException
|
||
| 1564 | * If there's any problem during expresion evaluation
|
||
| 1565 | */
|
||
| 1566 | private DataSource getDataSource(UnionAdapter instr) |
||
| 1567 | throws DriverException, IOException, SemanticException, |
||
| 1568 | ParseException, EvaluationException {
|
||
| 1569 | try {
|
||
| 1570 | Strategy strategy = StrategyManager.getStrategy(instr); |
||
| 1571 | 3199 | fjp | |
| 1572 | 4050 | fjp | OperationDataSource ret; |
| 1573 | ret = strategy.union(instr); |
||
| 1574 | 3199 | fjp | |
| 1575 | 4050 | fjp | ret.setName(getUID()); |
| 1576 | nameOperationDataSource.put(ret.getName(), ret); |
||
| 1577 | 3199 | fjp | |
| 1578 | 4050 | fjp | return ret;
|
| 1579 | } catch (DriverLoadException e) {
|
||
| 1580 | throw new DriverException(e); |
||
| 1581 | } |
||
| 1582 | 3199 | fjp | |
| 1583 | 4050 | fjp | } |
| 1584 | 3199 | fjp | |
| 1585 | 4050 | fjp | /**
|
| 1586 | * Creates a DataSource as a result of a custom query
|
||
| 1587 | 4186 | caballero | *
|
| 1588 | 4050 | fjp | * @param instr
|
| 1589 | * Root node of the adapter tree of the custom query instruction
|
||
| 1590 | * @param mode
|
||
| 1591 | * opening mode
|
||
| 1592 | 4186 | caballero | *
|
| 1593 | 4050 | fjp | * @return DataSource with the custom query result
|
| 1594 | 4186 | caballero | *
|
| 1595 | 4050 | fjp | * @throws SemanticException
|
| 1596 | * if there is any semantic error in the instruction
|
||
| 1597 | */
|
||
| 1598 | public DataSource getDataSource(CustomAdapter instr, int mode) |
||
| 1599 | throws SemanticException {
|
||
| 1600 | return getModedDataSource(getDataSource(instr), mode);
|
||
| 1601 | } |
||
| 1602 | 3199 | fjp | |
| 1603 | 4050 | fjp | /**
|
| 1604 | * Creates a DataSource as a result of a custom query
|
||
| 1605 | 4186 | caballero | *
|
| 1606 | 4050 | fjp | * @param instr
|
| 1607 | * Root node of the adapter tree of the custom query instruction
|
||
| 1608 | 4186 | caballero | *
|
| 1609 | 4050 | fjp | * @return DataSource with the custom query result
|
| 1610 | 4186 | caballero | *
|
| 1611 | 4050 | fjp | * @throws SemanticException
|
| 1612 | * if there is any semantic error in the instruction
|
||
| 1613 | */
|
||
| 1614 | private DataSource getDataSource(CustomAdapter instr) |
||
| 1615 | throws SemanticException {
|
||
| 1616 | Strategy strategy = StrategyManager.getStrategy(instr); |
||
| 1617 | 3199 | fjp | |
| 1618 | 4050 | fjp | OperationDataSource ret = strategy.custom(instr); |
| 1619 | 3199 | fjp | |
| 1620 | 4050 | fjp | ret.setName(getUID()); |
| 1621 | nameOperationDataSource.put(ret.getName(), ret); |
||
| 1622 | 3199 | fjp | |
| 1623 | 4050 | fjp | return ret;
|
| 1624 | } |
||
| 1625 | 3199 | fjp | |
| 1626 | 4050 | fjp | /**
|
| 1627 | * Ejecuta la instrucci?n SQL que se pasa como par?metro obteniendo un
|
||
| 1628 | * DataSource con el resultado de la ejecuci?n
|
||
| 1629 | 4186 | caballero | *
|
| 1630 | 4050 | fjp | * @param sql
|
| 1631 | * instrucci?n sql que se quiere ejecutar
|
||
| 1632 | * @param mode
|
||
| 1633 | * opening mode
|
||
| 1634 | 4186 | caballero | *
|
| 1635 | 4050 | fjp | * @return DataSource con el resultado
|
| 1636 | 4186 | caballero | *
|
| 1637 | 4050 | fjp | * @throws ParseException
|
| 1638 | * Si se produce un error de parse de la instrucci?n
|
||
| 1639 | * @throws DriverLoadException
|
||
| 1640 | * Si no se pueden cargar los drivers
|
||
| 1641 | * @throws DriverException
|
||
| 1642 | * Si se produce un error accediendo a los drivers
|
||
| 1643 | * @throws SemanticException
|
||
| 1644 | * Si la instrucci?n tiene alg?n error sem?ntico
|
||
| 1645 | * @throws IOException
|
||
| 1646 | * Si se produce un error accediendo a las estructuras de datos
|
||
| 1647 | * internas usadas para los c?lculos
|
||
| 1648 | * @throws EvaluationException
|
||
| 1649 | * If there's an error evaluating any expression
|
||
| 1650 | */
|
||
| 1651 | public DataSource executeSQL(String sql, int mode) throws ParseException, |
||
| 1652 | DriverLoadException, DriverException, SemanticException, |
||
| 1653 | IOException, EvaluationException {
|
||
| 1654 | ByteArrayInputStream bytes = new ByteArrayInputStream(sql.getBytes()); |
||
| 1655 | SQLEngine parser = new SQLEngine(bytes);
|
||
| 1656 | 3199 | fjp | |
| 1657 | 4050 | fjp | parser.SQLStatement(); |
| 1658 | 3199 | fjp | |
| 1659 | 4050 | fjp | Node root = parser.getRootNode(); |
| 1660 | Adapter rootAdapter = Utilities.buildTree(root.jjtGetChild(0), sql, |
||
| 1661 | this);
|
||
| 1662 | 3199 | fjp | |
| 1663 | 4050 | fjp | Utilities.simplify(rootAdapter);
|
| 1664 | 3199 | fjp | |
| 1665 | 4050 | fjp | DataSource result = null; |
| 1666 | 3199 | fjp | |
| 1667 | 4050 | fjp | if (rootAdapter instanceof SelectAdapter) { |
| 1668 | result = getDataSource((SelectAdapter) rootAdapter); |
||
| 1669 | } else if (rootAdapter instanceof UnionAdapter) { |
||
| 1670 | result = getDataSource((UnionAdapter) rootAdapter); |
||
| 1671 | } else if (rootAdapter instanceof CustomAdapter) { |
||
| 1672 | result = getDataSource((CustomAdapter) rootAdapter); |
||
| 1673 | } |
||
| 1674 | 3199 | fjp | |
| 1675 | 4050 | fjp | // if operation was delegated it isn't a OperationDataSource
|
| 1676 | if (result instanceof OperationDataSource) { |
||
| 1677 | ((OperationDataSource) result).setSQL(sql); |
||
| 1678 | } |
||
| 1679 | 3199 | fjp | |
| 1680 | 4050 | fjp | result.setDataSourceFactory(this);
|
| 1681 | 3199 | fjp | |
| 1682 | 4050 | fjp | return getModedDataSource(result, mode);
|
| 1683 | } |
||
| 1684 | 3199 | fjp | |
| 1685 | 4050 | fjp | /**
|
| 1686 | * Establece el DriverManager que se usar? para instanciar DataSource's.
|
||
| 1687 | * Este metodo debe ser invocado antes que ning?n otro
|
||
| 1688 | 4186 | caballero | *
|
| 1689 | 4050 | fjp | * @param dm
|
| 1690 | * El manager que se encarga de cargar los drivers
|
||
| 1691 | */
|
||
| 1692 | public void setDriverManager(DriverManager dm) { |
||
| 1693 | this.dm = dm;
|
||
| 1694 | } |
||
| 1695 | /**
|
||
| 1696 | 4186 | caballero | * Establece el WriterManager que se usar? para instanciar DataSource's.
|
| 1697 | * Este metodo debe ser invocado antes que ning?n otro
|
||
| 1698 | *
|
||
| 1699 | * @param dm
|
||
| 1700 | * El manager que se encarga de cargar los drivers
|
||
| 1701 | */
|
||
| 1702 | public void setWriterManager(WriterManager wm) { |
||
| 1703 | this.wm = wm;
|
||
| 1704 | } |
||
| 1705 | /**
|
||
| 1706 | 4050 | fjp | * Get's the module with the specified name
|
| 1707 | 4186 | caballero | *
|
| 1708 | 4050 | fjp | * @param name
|
| 1709 | * name of the wanted module
|
||
| 1710 | 4186 | caballero | *
|
| 1711 | 4050 | fjp | * @return instance of the module
|
| 1712 | */
|
||
| 1713 | public Object getModule(String name) { |
||
| 1714 | return ms.getModule(name);
|
||
| 1715 | } |
||
| 1716 | |||
| 1717 | /**
|
||
| 1718 | * Registers a module in the system with the specified name
|
||
| 1719 | 4186 | caballero | *
|
| 1720 | 4050 | fjp | * @param name
|
| 1721 | * name of the module
|
||
| 1722 | * @param instance
|
||
| 1723 | * module instance
|
||
| 1724 | */
|
||
| 1725 | public void registerModule(String name, Object instance) { |
||
| 1726 | ms.registerModule(name, instance); |
||
| 1727 | } |
||
| 1728 | |||
| 1729 | /**
|
||
| 1730 | * Gets a driver manager reference
|
||
| 1731 | 4186 | caballero | *
|
| 1732 | 4050 | fjp | * @return DriverManagers.
|
| 1733 | */
|
||
| 1734 | public DriverManager getDriverManager() { |
||
| 1735 | return dm;
|
||
| 1736 | } |
||
| 1737 | /**
|
||
| 1738 | 4186 | caballero | * Gets a writer manager reference
|
| 1739 | *
|
||
| 1740 | * @return WriterManagers.
|
||
| 1741 | */
|
||
| 1742 | public WriterManager getWriterManager() {
|
||
| 1743 | return wm;
|
||
| 1744 | } |
||
| 1745 | /**
|
||
| 1746 | 4050 | fjp | * Sets if this factory will check for delegating instructions at the server
|
| 1747 | * (true) or will execute all queries internally (false). By delegating at
|
||
| 1748 | * the server, lots of queries will be defined in the database management
|
||
| 1749 | * system where the execution is delegated. Invoke clearViews to remove all
|
||
| 1750 | * created views.
|
||
| 1751 | 4186 | caballero | *
|
| 1752 | 4050 | fjp | * @param b
|
| 1753 | */
|
||
| 1754 | public void setDelegating(boolean b) { |
||
| 1755 | this.delegating = b;
|
||
| 1756 | } |
||
| 1757 | |||
| 1758 | /**
|
||
| 1759 | * Creates a new table on the specified database
|
||
| 1760 | 4186 | caballero | *
|
| 1761 | 4050 | fjp | * @param database
|
| 1762 | * name of the database where the table will be created
|
||
| 1763 | * @param pkNames
|
||
| 1764 | * Names of the primary key fields
|
||
| 1765 | * @param names
|
||
| 1766 | * names of the fields
|
||
| 1767 | * @param types
|
||
| 1768 | * types of the fields. Must have the same length than names
|
||
| 1769 | 4186 | caballero | *
|
| 1770 | 4050 | fjp | * @return the table name
|
| 1771 | 4186 | caballero | *
|
| 1772 | 4050 | fjp | * @throws SQLException
|
| 1773 | * if the creation fails
|
||
| 1774 | */
|
||
| 1775 | public String createTable(String database, String[] pkNames, |
||
| 1776 | String[] names, int[] types) throws SQLException { |
||
| 1777 | // Get a name for the table
|
||
| 1778 | String tableName = getUID();
|
||
| 1779 | |||
| 1780 | // Create the table
|
||
| 1781 | InnerDBUtils.execute(database, InnerDBUtils.getCreateStatementWithPK( |
||
| 1782 | tableName, pkNames, names, types)); |
||
| 1783 | |||
| 1784 | return tableName;
|
||
| 1785 | } |
||
| 1786 | |||
| 1787 | /**
|
||
| 1788 | * Frees all resources used during execution
|
||
| 1789 | 4186 | caballero | *
|
| 1790 | 4050 | fjp | * @throws SQLException
|
| 1791 | * If cannot free internal resources
|
||
| 1792 | * @throws DriverException
|
||
| 1793 | * If drivers cannot free remote resources
|
||
| 1794 | 9322 | jmvivo | */
|
| 1795 | public void finalizeThis() throws SQLException, DriverException { |
||
| 1796 | 5220 | jmvivo | |
| 1797 | try {
|
||
| 1798 | 9322 | jmvivo | clearViews(); |
| 1799 | } finally {
|
||
| 1800 | Connection c = null; |
||
| 1801 | try {
|
||
| 1802 | c = java.sql.DriverManager.getConnection( |
||
| 1803 | "jdbc:hsqldb:file:", "", ""); |
||
| 1804 | } catch (Exception e) { |
||
| 1805 | return;
|
||
| 1806 | } |
||
| 1807 | 5220 | jmvivo | Statement st = c.createStatement();
|
| 1808 | st.execute("SHUTDOWN");
|
||
| 1809 | st.close(); |
||
| 1810 | c.close(); |
||
| 1811 | } |
||
| 1812 | |||
| 1813 | } |
||
| 1814 | 4050 | fjp | |
| 1815 | /**
|
||
| 1816 | * Initializes the system.
|
||
| 1817 | 4186 | caballero | *
|
| 1818 | 4050 | fjp | * @throws InitializationException
|
| 1819 | * If the initialization
|
||
| 1820 | */
|
||
| 1821 | public void initialize() throws InitializationException { |
||
| 1822 | initialize(".");
|
||
| 1823 | } |
||
| 1824 | |||
| 1825 | /**
|
||
| 1826 | * Initializes the system
|
||
| 1827 | 4186 | caballero | *
|
| 1828 | 4050 | fjp | * @param tempDir
|
| 1829 | * temporary directory to write data
|
||
| 1830 | 4186 | caballero | *
|
| 1831 | 4050 | fjp | * @throws InitializationException
|
| 1832 | * If the initialization fails
|
||
| 1833 | */
|
||
| 1834 | public void initialize(String tempDir) throws InitializationException { |
||
| 1835 | try {
|
||
| 1836 | this.tempDir = new File(tempDir); |
||
| 1837 | |||
| 1838 | if (!this.tempDir.exists()) { |
||
| 1839 | this.tempDir.mkdirs();
|
||
| 1840 | } |
||
| 1841 | |||
| 1842 | Class.forName("org.hsqldb.jdbcDriver"); |
||
| 1843 | } catch (ClassNotFoundException e) { |
||
| 1844 | throw new InitializationException(e); |
||
| 1845 | } |
||
| 1846 | 5579 | jmvivo | fillDriversNamesAliases(); |
| 1847 | 4050 | fjp | } |
| 1848 | |||
| 1849 | /**
|
||
| 1850 | * Gets the URL of a file in the temporary directory. Does not creates any
|
||
| 1851 | * file
|
||
| 1852 | 4186 | caballero | *
|
| 1853 | 4050 | fjp | * @return String
|
| 1854 | */
|
||
| 1855 | public String getTempFile() { |
||
| 1856 | return tempDir.getAbsolutePath() + File.separator + "gdmbs" |
||
| 1857 | + System.currentTimeMillis();
|
||
| 1858 | } |
||
| 1859 | |||
| 1860 | /**
|
||
| 1861 | 5579 | jmvivo | * Registra alias de nombres de los drivers
|
| 1862 | * por si ha sido necesario modificar el nombre
|
||
| 1863 | * de alguno, y se necesita compatibilidad
|
||
| 1864 | *
|
||
| 1865 | */
|
||
| 1866 | private void fillDriversNamesAliases() { |
||
| 1867 | |||
| 1868 | } |
||
| 1869 | |||
| 1870 | private Driver getDriver(String name) { |
||
| 1871 | if (this.driversNamesAliases.containsKey(name)) { |
||
| 1872 | name = (String)this.driversNamesAliases.get(name); |
||
| 1873 | } |
||
| 1874 | return this.dm.getDriver(name); |
||
| 1875 | |||
| 1876 | } |
||
| 1877 | |||
| 1878 | /**
|
||
| 1879 | 4050 | fjp | * Information to delete the view on the server: name of the view and the
|
| 1880 | * adapter to remove it
|
||
| 1881 | */
|
||
| 1882 | private class ServerViewInfo { |
||
| 1883 | public DBDataSource adapter;
|
||
| 1884 | |||
| 1885 | public String viewName; |
||
| 1886 | |||
| 1887 | /**
|
||
| 1888 | * Crea un nuevo ServerViewInfo.
|
||
| 1889 | 4186 | caballero | *
|
| 1890 | 4050 | fjp | * @param ds
|
| 1891 | * DOCUMENT ME!
|
||
| 1892 | * @param name
|
||
| 1893 | * DOCUMENT ME!
|
||
| 1894 | */
|
||
| 1895 | public ServerViewInfo(DBDataSource ds, String name) { |
||
| 1896 | adapter = ds; |
||
| 1897 | viewName = name; |
||
| 1898 | } |
||
| 1899 | } |
||
| 1900 | 5579 | jmvivo | |
| 1901 | 3199 | fjp | } |