svn-gvsig-desktop / tags / v1_0_2_Build_903+3D / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / SelectableDataSource.java @ 10722
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1 | 1100 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | 460 | fernando | package com.iver.cit.gvsig.fmap.layers; |
42 | |||
43 | 1828 | fernando | import java.io.IOException; |
44 | |||
45 | import org.apache.log4j.Logger; |
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46 | 1836 | fernando | import org.xml.sax.SAXException; |
47 | 1828 | fernando | |
48 | 5569 | jmvivo | import com.hardcode.driverManager.Driver; |
49 | 1828 | fernando | import com.hardcode.driverManager.DriverLoadException; |
50 | 460 | fernando | import com.hardcode.gdbms.engine.data.DataSource; |
51 | 546 | fernando | import com.hardcode.gdbms.engine.data.DataSourceFactory; |
52 | 6323 | fjp | import com.hardcode.gdbms.engine.data.IDataSourceListener; |
53 | 546 | fernando | import com.hardcode.gdbms.engine.data.NoSuchTableException; |
54 | 4863 | fjp | import com.hardcode.gdbms.engine.data.SourceInfo; |
55 | 1828 | fernando | import com.hardcode.gdbms.engine.data.driver.DriverException; |
56 | 2217 | fernando | import com.hardcode.gdbms.engine.data.edition.DataWare; |
57 | 1836 | fernando | import com.hardcode.gdbms.engine.data.persistence.Memento; |
58 | import com.hardcode.gdbms.engine.data.persistence.MementoContentHandler; |
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59 | import com.hardcode.gdbms.engine.data.persistence.MementoException; |
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60 | 2217 | fernando | import com.hardcode.gdbms.engine.instruction.EvaluationException; |
61 | 460 | fernando | import com.hardcode.gdbms.engine.instruction.FieldNotFoundException; |
62 | 1828 | fernando | import com.hardcode.gdbms.engine.instruction.SemanticException; |
63 | 460 | fernando | import com.hardcode.gdbms.engine.values.Value; |
64 | 2183 | fernando | import com.hardcode.gdbms.engine.values.ValueCollection; |
65 | 1828 | fernando | import com.hardcode.gdbms.parser.ParseException; |
66 | 4875 | fjp | import com.iver.cit.gvsig.fmap.drivers.FieldDescription; |
67 | 3963 | caballero | import com.iver.cit.gvsig.fmap.layers.layerOperations.Selectable; |
68 | 4875 | fjp | import com.iver.utiles.NumberUtilities; |
69 | 581 | vcaballero | import com.iver.utiles.XMLEntity; |
70 | 460 | fernando | |
71 | |||
72 | 527 | vcaballero | /**
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73 | 1034 | vcaballero | * DataSource seleccionable.
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74 | 527 | vcaballero | *
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75 | 546 | fernando | * @author Fernando Gonz?lez Cort?s
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76 | 527 | vcaballero | */
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77 | 3963 | caballero | public class SelectableDataSource implements DataSource,Selectable { |
78 | 527 | vcaballero | private static Logger logger = Logger.getLogger(SelectableDataSource.class.getName()); |
79 | 460 | fernando | private SelectionSupport selectionSupport = new SelectionSupport(); |
80 | private DataSource dataSource; |
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81 | 4863 | fjp | |
82 | private int[] mapping = null; |
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83 | 527 | vcaballero | |
84 | 460 | fernando | /**
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85 | 1034 | vcaballero | * Crea un nuevo SelectableDataSource.
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86 | 527 | vcaballero | *
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87 | 1034 | vcaballero | * @param name
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88 | 460 | fernando | * @param ds
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89 | 2565 | fernando | * @throws DriverException
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90 | 460 | fernando | */
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91 | 2565 | fernando | public SelectableDataSource(DataSource ds) throws DriverException { |
92 | 460 | fernando | dataSource = ds; |
93 | 5663 | fjp | dataSource.start(); |
94 | 4863 | fjp | // Creamos el mapping de campos externos que no muestran el PK.
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95 | 6259 | fjp | mapExternalFields(); |
96 | |||
97 | |||
98 | } |
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99 | |||
100 | /**
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101 | 6335 | fjp | * Maps real fields or "external" fields. We don't want to see virtual fields.
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102 | 6259 | fjp | * @throws DriverException
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103 | */
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104 | public void mapExternalFields() throws DriverException { |
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105 | 4863 | fjp | int numExternalFields = 0; |
106 | for (int i=0; i < dataSource.getFieldCount(); i++) |
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107 | { |
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108 | if (!dataSource.isVirtualField(i))
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109 | numExternalFields++; |
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110 | |||
111 | } |
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112 | 3963 | caballero | |
113 | 4863 | fjp | mapping = new int[numExternalFields]; |
114 | int j=0; |
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115 | for (int i=0; i < dataSource.getFieldCount(); i++) |
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116 | { |
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117 | if (!dataSource.isVirtualField(i))
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118 | mapping[j++] = i; |
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119 | |||
120 | } |
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121 | 460 | fernando | } |
122 | 527 | vcaballero | |
123 | 1836 | fernando | public static SelectableDataSource createSelectableDataSource(XMLEntity xml) throws NoSuchTableException, ParseException, DriverLoadException, DriverException, SemanticException, IOException, XMLException{ |
124 | 3963 | caballero | |
125 | 1828 | fernando | SelectionSupport ss = new SelectionSupport();
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126 | ss.setXMLEntity(xml.getChild(0));
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127 | XMLEntity xmlDS = xml.getChild(1);
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128 | 1836 | fernando | GDBMSParser parser = new GDBMSParser(xmlDS);
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129 | MementoContentHandler gdbmsHandler = new MementoContentHandler();
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130 | parser.setContentHandler(gdbmsHandler); |
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131 | try {
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132 | parser.parse(); |
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133 | } catch (SAXException e) {
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134 | throw new XMLException(e); |
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135 | 1828 | fernando | } |
136 | 2217 | fernando | SelectableDataSource sds; |
137 | try {
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138 | 5663 | fjp | sds = new SelectableDataSource(gdbmsHandler.getDataSource(LayerFactory.getDataSourceFactory(), DataSourceFactory.MANUAL_OPENING));
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139 | 2217 | fernando | } catch (EvaluationException e1) {
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140 | throw new XMLException(e1); |
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141 | } |
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142 | sds.selectionSupport=ss; |
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143 | 2183 | fernando | return sds;
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144 | 1828 | fernando | } |
145 | 1836 | fernando | |
146 | 1828 | fernando | public void setDataSourceFactory(DataSourceFactory dsf) { |
147 | dataSource.setDataSourceFactory(dsf); |
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148 | } |
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149 | 2217 | fernando | public void setSourceInfo(SourceInfo sourceInfo) { |
150 | 1828 | fernando | dataSource.setSourceInfo(sourceInfo); |
151 | } |
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152 | 460 | fernando | /**
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153 | 1034 | vcaballero | * A?ade el soporte para la selecci?n.
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154 | 527 | vcaballero | *
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155 | 460 | fernando | * @param selectionSupport
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156 | */
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157 | public void setSelectionSupport(SelectionSupport selectionSupport) { |
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158 | this.selectionSupport = selectionSupport;
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159 | } |
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160 | |||
161 | 527 | vcaballero | /**
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162 | 1034 | vcaballero | * Devuelve el n?mero de campos.
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163 | 527 | vcaballero | *
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164 | 1034 | vcaballero | * @return N?mero de campos.
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165 | 527 | vcaballero | *
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166 | 1034 | vcaballero | * @throws DriverException
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167 | 527 | vcaballero | */
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168 | 460 | fernando | public int getFieldCount() throws DriverException { |
169 | 4863 | fjp | // return dataSource.getFieldCount()-numVirtual;
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170 | 6478 | fjp | // if (mapping.length != dataSource.getFieldCount())
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171 | // {
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172 | // mapExternalFields();
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173 | // RuntimeException e = new RuntimeException("Recalculamos los campos de recordset!!");
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174 | // e.printStackTrace();
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175 | // }
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176 | 4863 | fjp | return mapping.length;
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177 | 460 | fernando | } |
178 | 527 | vcaballero | |
179 | /**
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180 | 8765 | jjdelcerro | * Return index field searching by its name
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181 | 527 | vcaballero | *
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182 | 8765 | jjdelcerro | * @param arg0 field name.
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183 | 527 | vcaballero | *
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184 | 8765 | jjdelcerro | * @return field index. -1 if not found
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185 | 527 | vcaballero | *
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186 | 1034 | vcaballero | * @throws DriverException
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187 | * @throws FieldNotFoundException
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188 | 527 | vcaballero | */
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189 | public int getFieldIndexByName(String arg0) |
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190 | 1773 | fernando | throws DriverException {
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191 | 4863 | fjp | int internal = dataSource.getFieldIndexByName(arg0);
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192 | for (int i=0; i < mapping.length; i++) |
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193 | { |
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194 | if (mapping[i] == internal)
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195 | return i;
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196 | } |
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197 | return -1; |
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198 | 460 | fernando | } |
199 | 527 | vcaballero | |
200 | /**
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201 | 1034 | vcaballero | * Devuelve el nombre del campo a partir del ?ndice.
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202 | 527 | vcaballero | *
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203 | 1034 | vcaballero | * @param arg0 ?ndice.
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204 | 527 | vcaballero | *
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205 | 1034 | vcaballero | * @return nombre del campo.
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206 | 527 | vcaballero | *
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207 | 1034 | vcaballero | * @throws DriverException
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208 | 527 | vcaballero | */
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209 | 460 | fernando | public String getFieldName(int arg0) throws DriverException { |
210 | 4863 | fjp | // return dataSource.getFieldName(arg0);
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211 | return dataSource.getFieldName(mapping[arg0]);
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212 | 460 | fernando | } |
213 | 527 | vcaballero | |
214 | /**
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215 | 1034 | vcaballero | * Devuelve el valor a partir del n?mro de fila y columna.
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216 | 527 | vcaballero | *
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217 | 1034 | vcaballero | * @param arg0 n?mero de registro.
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218 | * @param arg1 n?mero de campo.
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219 | 527 | vcaballero | *
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220 | 1034 | vcaballero | * @return Valor.
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221 | 527 | vcaballero | *
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222 | 1034 | vcaballero | * @throws DriverException
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223 | 527 | vcaballero | */
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224 | 460 | fernando | public Value getFieldValue(long arg0, int arg1) throws DriverException { |
225 | 4863 | fjp | return dataSource.getFieldValue(arg0, mapping[arg1]);
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226 | // return dataSource.getFieldValue(arg0, arg1);
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227 | 460 | fernando | } |
228 | 527 | vcaballero | |
229 | /**
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230 | 1034 | vcaballero | * Devuelve el nombre del DataSource.
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231 | 527 | vcaballero | *
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232 | 1034 | vcaballero | * @return Nombre.
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233 | 527 | vcaballero | */
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234 | 460 | fernando | public String getName() { |
235 | return dataSource.getName();
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236 | } |
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237 | 527 | vcaballero | |
238 | /**
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239 | 2565 | fernando | * Devuelve el n?mero de filas en total.
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240 | 527 | vcaballero | *
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241 | 1034 | vcaballero | * @return n?mero de filas.
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242 | 527 | vcaballero | *
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243 | 1034 | vcaballero | * @throws DriverException
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244 | 527 | vcaballero | */
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245 | 460 | fernando | public long getRowCount() throws DriverException { |
246 | return dataSource.getRowCount();
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247 | } |
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248 | 527 | vcaballero | |
249 | /**
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250 | 1034 | vcaballero | * Inicializa el dataSource.
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251 | 527 | vcaballero | *
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252 | 1034 | vcaballero | * @throws DriverException
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253 | 527 | vcaballero | */
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254 | 460 | fernando | public void start() throws DriverException { |
255 | 3076 | fjp | // logger.debug("dataSource.start()");
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256 | 460 | fernando | dataSource.start(); |
257 | } |
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258 | 527 | vcaballero | |
259 | /**
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260 | 1034 | vcaballero | * Finaliza el DataSource.
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261 | 527 | vcaballero | *
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262 | 1034 | vcaballero | * @throws DriverException
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263 | 527 | vcaballero | */
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264 | 460 | fernando | public void stop() throws DriverException { |
265 | 3076 | fjp | // logger.debug("dataSource.stop()");
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266 | 460 | fernando | dataSource.stop(); |
267 | } |
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268 | |||
269 | /**
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270 | 2183 | fernando | * A partir del XMLEntity se rellenan los atributos del DataSource.
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271 | *
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272 | * @param child
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273 | */
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274 | public void setXMLEntity03(XMLEntity child) { |
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275 | selectionSupport.setXMLEntity(child.getChild(0));
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276 | } |
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277 | |||
278 | /**
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279 | 527 | vcaballero | * Cuando ocurre un evento de cambio en la selecci?n, ?ste puede ser uno de
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280 | * una gran cantidad de eventos. Con el fin de no propagar todos estos
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281 | * eventos, se realiza la propagaci?n de manera manual al final de la
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282 | * "r?faga" de eventos
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283 | 460 | fernando | */
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284 | public void fireSelectionEvents() { |
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285 | selectionSupport.fireSelectionEvents(); |
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286 | } |
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287 | |||
288 | 527 | vcaballero | /**
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289 | 1034 | vcaballero | * A?ade un nuevo Listener al SelectionSupport.
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290 | 527 | vcaballero | *
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291 | 1034 | vcaballero | * @param listener SelectionListener.
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292 | 527 | vcaballero | */
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293 | 460 | fernando | public void addSelectionListener(SelectionListener listener) { |
294 | selectionSupport.addSelectionListener(listener); |
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295 | } |
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296 | |||
297 | 527 | vcaballero | /**
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298 | 1034 | vcaballero | * Borra un Listener al SelectionSupport.
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299 | 527 | vcaballero | *
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300 | 1034 | vcaballero | * @param listener Listener a borrar.
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301 | 527 | vcaballero | */
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302 | 460 | fernando | public void removeSelectionListener(SelectionListener listener) { |
303 | selectionSupport.removeSelectionListener(listener); |
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304 | } |
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305 | 527 | vcaballero | |
306 | /**
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307 | 1034 | vcaballero | * Borra la selecci?n.
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308 | 527 | vcaballero | */
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309 | 460 | fernando | public void clearSelection() { |
310 | selectionSupport.clearSelection(); |
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311 | } |
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312 | 527 | vcaballero | |
313 | /**
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314 | 1034 | vcaballero | * Develve un FBitSet con los ?ndices de los elementos seleccionados.
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315 | 527 | vcaballero | *
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316 | 1034 | vcaballero | * @return FBitset con los elementos seleccionados.
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317 | 527 | vcaballero | */
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318 | 884 | fernando | public FBitSet getSelection() {
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319 | 460 | fernando | return selectionSupport.getSelection();
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320 | } |
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321 | 1034 | vcaballero | |
322 | /**
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323 | * Devuelve el SelectionSupport.
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324 | *
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325 | * @return SelectinSuport.
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326 | */
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327 | public SelectionSupport getSelectionSupport() {
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328 | 581 | vcaballero | return selectionSupport;
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329 | } |
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330 | 1034 | vcaballero | |
331 | 527 | vcaballero | /**
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332 | 1034 | vcaballero | * Devuelve true si el elemento est? seleccionado.
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333 | 527 | vcaballero | *
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334 | 1034 | vcaballero | * @param recordIndex ?ndice del registro.
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335 | 527 | vcaballero | *
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336 | 1034 | vcaballero | * @return True si el registro est? seleccionado.
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337 | 527 | vcaballero | */
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338 | 460 | fernando | public boolean isSelected(int recordIndex) { |
339 | return selectionSupport.isSelected(recordIndex);
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340 | } |
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341 | 527 | vcaballero | |
342 | /**
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343 | 1034 | vcaballero | * Inserta una nueva selecci?n.
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344 | 527 | vcaballero | *
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345 | 1034 | vcaballero | * @param selection FBitSet.
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346 | 527 | vcaballero | */
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347 | 683 | fernando | public void setSelection(FBitSet selection) { |
348 | 460 | fernando | selectionSupport.setSelection(selection); |
349 | } |
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350 | 546 | fernando | |
351 | 1828 | fernando | private void putMemento(XMLEntity xml) throws XMLException { |
352 | try {
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353 | 1836 | fernando | GDBMSHandler handler = new GDBMSHandler();
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354 | Memento m = getMemento(); |
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355 | m.setContentHandler(handler); |
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356 | m.getXML(); |
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357 | XMLEntity child = handler.getXMLEntity(); |
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358 | 3963 | caballero | |
359 | 1828 | fernando | xml.addChild(child); |
360 | } catch (MementoException e) {
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361 | throw new XMLException(e); |
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362 | 1836 | fernando | } catch (SAXException e) {
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363 | throw new XMLException(e); |
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364 | 1828 | fernando | } |
365 | } |
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366 | |||
367 | 1034 | vcaballero | /**
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368 | * Devuelve el XMLEntity con la informaci?n necesaria para reproducir el
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369 | * DataSource.
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370 | *
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371 | * @return XMLEntity.
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372 | 1828 | fernando | * @throws XMLException
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373 | 1034 | vcaballero | */
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374 | 1828 | fernando | public XMLEntity getXMLEntity() throws XMLException { |
375 | 1034 | vcaballero | XMLEntity xml = new XMLEntity();
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376 | 1094 | vcaballero | xml.putProperty("className",this.getClass().getName()); |
377 | 581 | vcaballero | xml.addChild(selectionSupport.getXMLEntity()); |
378 | 1828 | fernando | putMemento(xml); |
379 | 1034 | vcaballero | |
380 | 581 | vcaballero | return xml;
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381 | } |
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382 | 732 | fernando | |
383 | /**
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384 | 884 | fernando | * @see com.hardcode.gdbms.engine.data.DataSource#getWhereFilter()
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385 | */
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386 | public long[] getWhereFilter() throws IOException { |
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387 | return dataSource.getWhereFilter();
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388 | } |
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389 | 1653 | fernando | |
390 | /**
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391 | * @see com.hardcode.gdbms.engine.data.ReadDriver#getFieldType(int)
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392 | */
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393 | 1773 | fernando | public int getFieldType(int i) throws DriverException { |
394 | 4863 | fjp | // return dataSource.getFieldType(i);
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395 | return dataSource.getFieldType(mapping[i]);
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396 | 1653 | fernando | } |
397 | 1828 | fernando | |
398 | /**
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399 | * @see com.hardcode.gdbms.engine.data.DataSource#getDataSourceFactory()
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400 | */
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401 | public DataSourceFactory getDataSourceFactory() {
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402 | return dataSource.getDataSourceFactory();
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403 | } |
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404 | |||
405 | /**
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406 | * @see com.hardcode.gdbms.engine.data.DataSource#getAsString()
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407 | */
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408 | public String getAsString() throws DriverException { |
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409 | return dataSource.getAsString();
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410 | } |
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411 | 1831 | fernando | |
412 | /**
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413 | 2183 | fernando | * @throws DriverException
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414 | 1831 | fernando | * @see com.hardcode.gdbms.engine.data.DataSource#remove()
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415 | */
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416 | 2183 | fernando | public void remove() throws DriverException { |
417 | 1831 | fernando | dataSource.remove(); |
418 | } |
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419 | 1836 | fernando | |
420 | /**
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421 | * @see com.hardcode.gdbms.engine.data.DataSource#getMemento()
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422 | */
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423 | public Memento getMemento() throws MementoException { |
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424 | return dataSource.getMemento();
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425 | } |
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426 | |||
427 | /**
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428 | * @see com.hardcode.gdbms.engine.data.DataSource#getSourceInfo()
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429 | */
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430 | 2217 | fernando | public SourceInfo getSourceInfo() {
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431 | 1836 | fernando | return dataSource.getSourceInfo();
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432 | } |
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433 | 2183 | fernando | |
434 | /**
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435 | * @see com.hardcode.gdbms.engine.data.DataSource#getPrimaryKeys()
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436 | */
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437 | public int[] getPrimaryKeys() throws DriverException { |
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438 | return dataSource.getPrimaryKeys();
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439 | } |
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440 | |||
441 | /**
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442 | * @see com.hardcode.gdbms.engine.data.DataSource#getPKValue(long)
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443 | */
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444 | public ValueCollection getPKValue(long rowIndex) throws DriverException { |
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445 | return dataSource.getPKValue(rowIndex);
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446 | } |
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447 | |||
448 | /**
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449 | * @see com.hardcode.gdbms.engine.data.DataSource#getPKName(int)
|
||
450 | */
|
||
451 | public String getPKName(int fieldId) throws DriverException { |
||
452 | return dataSource.getPKName(fieldId);
|
||
453 | } |
||
454 | |||
455 | /**
|
||
456 | * @see com.hardcode.gdbms.engine.data.DataSource#getPKType(int)
|
||
457 | */
|
||
458 | public int getPKType(int i) throws DriverException { |
||
459 | return dataSource.getPKType(i);
|
||
460 | } |
||
461 | |||
462 | /**
|
||
463 | * @throws DriverException
|
||
464 | * @see com.hardcode.gdbms.engine.data.DataSource#getPKCardinality()
|
||
465 | */
|
||
466 | public int getPKCardinality() throws DriverException { |
||
467 | return dataSource.getPKCardinality();
|
||
468 | } |
||
469 | |||
470 | /**
|
||
471 | * @see com.hardcode.gdbms.engine.data.DataSource#getRow(long)
|
||
472 | */
|
||
473 | public Value[] getRow(long rowIndex) throws DriverException { |
||
474 | 4863 | fjp | Value[] withoutVirtuals = new Value[mapping.length]; |
475 | Value[] internal = dataSource.getRow(rowIndex);
|
||
476 | for (int i=0; i < mapping.length; i++) |
||
477 | { |
||
478 | withoutVirtuals[i] = internal[mapping[i]]; |
||
479 | |||
480 | } |
||
481 | return withoutVirtuals;
|
||
482 | 2183 | fernando | } |
483 | |||
484 | /**
|
||
485 | * @see com.hardcode.gdbms.engine.data.DataSource#getFieldNames()
|
||
486 | */
|
||
487 | public String[] getFieldNames() throws DriverException { |
||
488 | 4863 | fjp | String[] fieldNames = new String[getFieldCount()]; |
489 | int j=0; |
||
490 | for (int i=0; i < dataSource.getFieldCount(); i++) |
||
491 | { |
||
492 | if (!dataSource.isVirtualField(i))
|
||
493 | fieldNames[j++] = dataSource.getFieldName(i); |
||
494 | |||
495 | } |
||
496 | // return dataSource.getFieldNames();
|
||
497 | return fieldNames;
|
||
498 | 2183 | fernando | } |
499 | |||
500 | /**
|
||
501 | * @see com.hardcode.gdbms.engine.data.DataSource#getPKNames()
|
||
502 | */
|
||
503 | public String[] getPKNames() throws DriverException { |
||
504 | return dataSource.getPKNames();
|
||
505 | } |
||
506 | |||
507 | public void removeLinksSelectionListener() { |
||
508 | selectionSupport.removeLinkSelectionListener(); |
||
509 | } |
||
510 | 2217 | fernando | |
511 | /**
|
||
512 | 4053 | fjp | * @throws DriverException
|
513 | 2217 | fernando | * @see com.hardcode.gdbms.engine.data.DataSource#getDataWare(int)
|
514 | */
|
||
515 | 4053 | fjp | public DataWare getDataWare(int arg0) throws DriverException { |
516 | 2217 | fernando | return dataSource.getDataWare(arg0);
|
517 | } |
||
518 | 4863 | fjp | |
519 | public int getFieldWidth(int i) throws DriverException { |
||
520 | return dataSource.getFieldWidth(mapping[i]);
|
||
521 | // return dataSource.getFieldWidth(i);
|
||
522 | } |
||
523 | |||
524 | public boolean isVirtualField(int fieldId) throws DriverException { |
||
525 | return dataSource.isVirtualField(fieldId);
|
||
526 | } |
||
527 | 4875 | fjp | |
528 | /**
|
||
529 | * Useful to writers, to know the field definitions.
|
||
530 | * NOTE: Maximun precision: 6 decimals. (We may need to change this)
|
||
531 | * @return Description of non virtual fields
|
||
532 | * @throws DriverException
|
||
533 | */
|
||
534 | public FieldDescription[] getFieldsDescription() throws DriverException |
||
535 | { |
||
536 | int numFields = getFieldCount();
|
||
537 | FieldDescription[] fieldsDescrip = new FieldDescription[numFields]; |
||
538 | for (int i = 0; i < numFields; i++) { |
||
539 | fieldsDescrip[i] = new FieldDescription();
|
||
540 | int type = getFieldType(i);
|
||
541 | fieldsDescrip[i].setFieldType(type); |
||
542 | fieldsDescrip[i].setFieldName(getFieldName(i)); |
||
543 | fieldsDescrip[i].setFieldLength(getFieldWidth(i)); |
||
544 | 6483 | fjp | if (NumberUtilities.isNumeric(type))
|
545 | { |
||
546 | if (!NumberUtilities.isNumericInteger(type))
|
||
547 | // TODO: If there is a lost in precision, this should be changed.
|
||
548 | fieldsDescrip[i].setFieldDecimalCount(6);
|
||
549 | } |
||
550 | else
|
||
551 | 4875 | fjp | fieldsDescrip[i].setFieldDecimalCount(0);
|
552 | 6628 | fjp | // TODO: ?DEFAULTVALUE?
|
553 | // fieldsDescrip[i].setDefaultValue(get)
|
||
554 | 4875 | fjp | } |
555 | return fieldsDescrip;
|
||
556 | } |
||
557 | 5569 | jmvivo | |
558 | public Driver getDriver() { |
||
559 | return this.dataSource.getDriver(); |
||
560 | } |
||
561 | 6323 | fjp | |
562 | public void reload() throws DriverException, IOException { |
||
563 | dataSource.reload(); |
||
564 | 6326 | fjp | mapExternalFields(); |
565 | 6323 | fjp | |
566 | } |
||
567 | |||
568 | public void addDataSourceListener(IDataSourceListener listener) { |
||
569 | dataSource.addDataSourceListener(listener); |
||
570 | |||
571 | } |
||
572 | |||
573 | public void removeDataSourceListener(IDataSourceListener listener) { |
||
574 | dataSource.removeDataSourceListener(listener); |
||
575 | |||
576 | } |
||
577 | 460 | fernando | } |