root / branches / v2_0_0_prep / libraries / libFMap_daldb / src / org / gvsig / fmap / dal / store / jdbc / JDBCStoreProviderWriter.java @ 33717
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| 1 | 28909 | jmvivo | /* gvSIG. Geographic Information System of the Valencian Government
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| 2 | *
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| 3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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| 4 | * of the Valencian Government (CIT)
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the GNU General Public License
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| 8 | * as published by the Free Software Foundation; either version 2
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| 9 | * of the License, or (at your option) any later version.
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| 10 | *
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| 11 | * This program is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | * GNU General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU General Public License
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| 17 | * along with this program; if not, write to the Free Software
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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| 19 | * MA 02110-1301, USA.
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| 20 | *
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| 21 | */
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| 22 | |||
| 23 | /*
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| 24 | * AUTHORS (In addition to CIT):
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| 25 | * 2009 IVER T.I {{Task}}
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| 26 | */
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| 27 | |||
| 28 | /**
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| 29 | *
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| 30 | */
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| 31 | package org.gvsig.fmap.dal.store.jdbc; |
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| 32 | |||
| 33 | import java.sql.Connection; |
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| 34 | import java.sql.PreparedStatement; |
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| 35 | import java.sql.SQLException; |
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| 36 | import java.sql.Statement; |
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| 37 | import java.util.ArrayList; |
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| 38 | import java.util.Arrays; |
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| 39 | import java.util.Iterator; |
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| 40 | import java.util.List; |
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| 41 | |||
| 42 | import org.gvsig.fmap.dal.exception.DataException; |
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| 43 | import org.gvsig.fmap.dal.exception.InitializeException; |
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| 44 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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| 45 | import org.gvsig.fmap.dal.feature.FeatureType; |
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| 46 | import org.gvsig.fmap.dal.feature.exception.PerformEditingException; |
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| 47 | 29289 | jmvivo | import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
| 48 | 28909 | jmvivo | import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
| 49 | 29326 | jmvivo | import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
| 50 | 32880 | jjdelcerro | import org.gvsig.fmap.dal.store.db.FeatureTypeHelper; |
| 51 | 28909 | jmvivo | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecutePreparedSQLException; |
| 52 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecuteSQLException; |
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| 53 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCPreparingSQLException; |
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| 54 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
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| 55 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCUpdateWithoutChangesException; |
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| 56 | 29326 | jmvivo | import org.gvsig.tools.dynobject.DynObject; |
| 57 | 28909 | jmvivo | import org.slf4j.Logger; |
| 58 | import org.slf4j.LoggerFactory; |
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| 59 | |||
| 60 | /**
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| 61 | * @author jmvivo
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| 62 | *
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| 63 | */
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| 64 | public class JDBCStoreProviderWriter extends JDBCStoreProvider { |
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| 65 | |||
| 66 | final static private Logger logger = LoggerFactory |
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| 67 | .getLogger(JDBCStoreProviderWriter.class); |
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| 68 | |||
| 69 | |||
| 70 | protected String appendModeSql; |
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| 71 | 32880 | jjdelcerro | protected List<FeatureAttributeDescriptor> appendModeAttributes; |
| 72 | 28909 | jmvivo | |
| 73 | 29326 | jmvivo | |
| 74 | public JDBCStoreProviderWriter(JDBCStoreParameters params,
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| 75 | DataStoreProviderServices storeServices) |
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| 76 | throws InitializeException {
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| 77 | super(params, storeServices);
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| 78 | 28909 | jmvivo | } |
| 79 | |||
| 80 | 29326 | jmvivo | protected JDBCStoreProviderWriter(JDBCStoreParameters params,
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| 81 | DataStoreProviderServices storeServices, DynObject metadata) |
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| 82 | 28909 | jmvivo | throws InitializeException {
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| 83 | 29326 | jmvivo | super(params, storeServices, metadata);
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| 84 | 28909 | jmvivo | } |
| 85 | |||
| 86 | |||
| 87 | |||
| 88 | 29292 | jmvivo | protected void addToListFeatureValues(FeatureProvider featureProvider, |
| 89 | 28909 | jmvivo | FeatureAttributeDescriptor attrOfList, |
| 90 | 32880 | jjdelcerro | FeatureAttributeDescriptor attr, List<Object> values) throws DataException { |
| 91 | 28909 | jmvivo | if (attr == null) { |
| 92 | if (attrOfList.isPrimaryKey()) {
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| 93 | throw new RuntimeException("pk attribute '" |
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| 94 | + attrOfList.getName() + "' not found in feature");
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| 95 | } |
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| 96 | values.add(helper |
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| 97 | .dalValueToJDBC(attr, attrOfList.getDefaultValue())); |
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| 98 | } else {
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| 99 | 29292 | jmvivo | values.add(helper.dalValueToJDBC(attr, featureProvider.get(attr |
| 100 | 28909 | jmvivo | .getIndex()))); |
| 101 | } |
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| 102 | |||
| 103 | } |
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| 104 | |||
| 105 | 29292 | jmvivo | protected void addToListFeatureValues(FeatureProvider featureProvider, |
| 106 | 32880 | jjdelcerro | List<FeatureAttributeDescriptor> attributes, List<Object> values) throws DataException { |
| 107 | 28909 | jmvivo | FeatureAttributeDescriptor attr, attrOfList; |
| 108 | 29292 | jmvivo | FeatureType fType = featureProvider.getType(); |
| 109 | 28909 | jmvivo | for (int i = 0; i < attributes.size(); i++) { |
| 110 | attrOfList = (FeatureAttributeDescriptor) attributes.get(i); |
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| 111 | attr = fType.getAttributeDescriptor(attrOfList.getName()); |
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| 112 | 29292 | jmvivo | addToListFeatureValues(featureProvider, attrOfList, attr, values); |
| 113 | 28909 | jmvivo | } |
| 114 | } |
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| 115 | |||
| 116 | protected void appendToSQLPreparedPkWhereClause(StringBuilder sql, |
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| 117 | 32880 | jjdelcerro | List<FeatureAttributeDescriptor> pkAttributes) {
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| 118 | 28909 | jmvivo | sql.append(" Where ");
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| 119 | FeatureAttributeDescriptor attr; |
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| 120 | for (int i = 0; i < pkAttributes.size() - 1; i++) { |
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| 121 | attr = (FeatureAttributeDescriptor) pkAttributes.get(i); |
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| 122 | sql.append(helper.escapeFieldName(attr.getName())); |
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| 123 | sql.append(" = ? AND ");
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| 124 | } |
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| 125 | attr = (FeatureAttributeDescriptor) pkAttributes.get(pkAttributes |
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| 126 | .size() - 1);
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| 127 | sql.append(helper.escapeFieldName(attr.getName())); |
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| 128 | sql.append(" = ? ");
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| 129 | } |
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| 130 | |||
| 131 | protected void executeRemovePreparedStatement(Connection conn, String sql, |
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| 132 | 32880 | jjdelcerro | List<FeatureAttributeDescriptor> attributes, Iterator<FeatureReferenceProviderServices> featureReferences) throws DataException { |
| 133 | 28909 | jmvivo | PreparedStatement st;
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| 134 | try {
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| 135 | st = conn.prepareStatement(sql); |
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| 136 | } catch (SQLException e) { |
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| 137 | throw new JDBCPreparingSQLException(sql, e); |
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| 138 | } |
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| 139 | try {
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| 140 | 32880 | jjdelcerro | List<Object> values = new ArrayList<Object>(); |
| 141 | 28909 | jmvivo | FeatureReferenceProviderServices featureRef; |
| 142 | 32880 | jjdelcerro | // FeatureType featureType;
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| 143 | 28909 | jmvivo | while (featureReferences.hasNext()) {
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| 144 | st.clearParameters(); |
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| 145 | 32880 | jjdelcerro | featureRef = featureReferences.next(); |
| 146 | 28909 | jmvivo | values.clear(); |
| 147 | 32880 | jjdelcerro | // featureType = this.getFeatureStore()
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| 148 | // .getFeatureType(featureRef.getFeatureTypeId());
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| 149 | 28909 | jmvivo | |
| 150 | 32880 | jjdelcerro | Iterator<FeatureAttributeDescriptor> iter = attributes.iterator();
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| 151 | 28909 | jmvivo | FeatureAttributeDescriptor attr; |
| 152 | while (iter.hasNext()) {
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| 153 | 32880 | jjdelcerro | attr = iter.next(); |
| 154 | values.add( helper.dalValueToJDBC(attr, featureRef |
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| 155 | 28909 | jmvivo | .getKeyValue(attr.getName()))); |
| 156 | } |
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| 157 | |||
| 158 | for (int i = 0; i < values.size(); i++) { |
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| 159 | st.setObject(i + 1, values.get(i));
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| 160 | } |
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| 161 | try {
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| 162 | int nAffected =st.executeUpdate();
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| 163 | if (nAffected == 0) { |
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| 164 | throw new JDBCUpdateWithoutChangesException(sql, values); |
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| 165 | } |
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| 166 | if (nAffected > 1){ |
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| 167 | logger.warn("Remove statement affectst to {} rows: {}",
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| 168 | nAffected, sql); |
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| 169 | } |
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| 170 | |||
| 171 | } catch (SQLException e) { |
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| 172 | throw new JDBCExecutePreparedSQLException(sql, values, e); |
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| 173 | } |
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| 174 | |||
| 175 | } |
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| 176 | } catch (SQLException e) { |
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| 177 | throw new JDBCSQLException(e); |
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| 178 | } finally {
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| 179 | try {st.close();} catch (SQLException e) { }; |
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| 180 | } |
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| 181 | |||
| 182 | } |
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| 183 | |||
| 184 | protected void executeUpdatePreparedStatement(Connection conn, String sql, |
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| 185 | 32880 | jjdelcerro | List<FeatureAttributeDescriptor> attributes, Iterator<FeatureProvider> featureProviders) throws DataException { |
| 186 | 28909 | jmvivo | PreparedStatement st;
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| 187 | try {
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| 188 | st = conn.prepareStatement(sql); |
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| 189 | } catch (SQLException e) { |
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| 190 | throw new JDBCPreparingSQLException(sql, e); |
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| 191 | } |
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| 192 | try {
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| 193 | 32880 | jjdelcerro | List<Object> values = new ArrayList<Object>(); |
| 194 | 29292 | jmvivo | FeatureProvider featureProvider; |
| 195 | while (featureProviders.hasNext()) {
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| 196 | 28909 | jmvivo | st.clearParameters(); |
| 197 | 29292 | jmvivo | featureProvider = (FeatureProvider) featureProviders.next(); |
| 198 | 28909 | jmvivo | values.clear(); |
| 199 | 29292 | jmvivo | addToListFeatureValues(featureProvider, attributes, values); |
| 200 | 28909 | jmvivo | for (int i = 0; i < values.size(); i++) { |
| 201 | st.setObject(i + 1, values.get(i));
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| 202 | } |
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| 203 | try {
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| 204 | if (st.executeUpdate() == 0) { |
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| 205 | throw new JDBCUpdateWithoutChangesException(sql, values); |
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| 206 | } |
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| 207 | } catch (SQLException e) { |
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| 208 | throw new JDBCExecutePreparedSQLException(sql, values, e); |
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| 209 | } |
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| 210 | |||
| 211 | } |
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| 212 | } catch (SQLException e) { |
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| 213 | throw new JDBCSQLException(e); |
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| 214 | } finally {
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| 215 | try {st.close();} catch (SQLException e) { }; |
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| 216 | } |
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| 217 | |||
| 218 | } |
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| 219 | |||
| 220 | 32880 | jjdelcerro | protected void performDeletes(Connection conn, Iterator<FeatureReferenceProviderServices> deleteds, List<FeatureAttributeDescriptor> pkAttributes) |
| 221 | 28909 | jmvivo | throws DataException {
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| 222 | |||
| 223 | if (pkAttributes.size() < 0) { |
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| 224 | throw new RuntimeException("Operation requires missing pk"); |
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| 225 | } |
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| 226 | |||
| 227 | // ************ Prepare SQL ****************
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| 228 | StringBuilder sqlb = new StringBuilder(); |
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| 229 | sqlb.append("Delete from ");
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| 230 | 29326 | jmvivo | sqlb.append(getJDBCParameters().tableID()); |
| 231 | 28909 | jmvivo | appendToSQLPreparedPkWhereClause(sqlb, pkAttributes); |
| 232 | String sql = sqlb.toString();
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| 233 | // ************ Prepare SQL (end) ****************
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| 234 | |||
| 235 | executeRemovePreparedStatement(conn, sql, pkAttributes, deleteds); |
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| 236 | } |
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| 237 | |||
| 238 | protected String getSqlStatementAddField(FeatureAttributeDescriptor attr, |
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| 239 | 32880 | jjdelcerro | List<String> additionalStatement) throws DataException { |
| 240 | 28909 | jmvivo | StringBuilder strb = new StringBuilder(); |
| 241 | strb.append("ADD ");
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| 242 | strb.append(this.helper.getSqlFieldDescription(attr));
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| 243 | return strb.toString();
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| 244 | } |
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| 245 | |||
| 246 | 32880 | jjdelcerro | protected String getSqlStatementDropField(FeatureAttributeDescriptor attr,List<String> additionalStatement) { |
| 247 | 28909 | jmvivo | // DROP [ COLUMN ] column
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| 248 | return " DROP COLUMN " |
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| 249 | + this.helper.escapeFieldName(attr.getName());
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| 250 | |||
| 251 | } |
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| 252 | |||
| 253 | public boolean supportsAppendMode() { |
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| 254 | return true; |
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| 255 | } |
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| 256 | |||
| 257 | public void endAppend() throws DataException { |
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| 258 | appendModeSql = null;
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| 259 | appendModeAttributes = null;
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| 260 | } |
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| 261 | |||
| 262 | 32880 | jjdelcerro | protected List<String> getSqlStatementAlterField( |
| 263 | 28909 | jmvivo | FeatureAttributeDescriptor attrOrg, |
| 264 | 32880 | jjdelcerro | FeatureAttributeDescriptor attrTrg, List<String> additionalStatement) |
| 265 | 28909 | jmvivo | throws DataException {
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| 266 | //
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| 267 | 32880 | jjdelcerro | List<String> actions = new ArrayList<String>(); |
| 268 | 28909 | jmvivo | StringBuilder strb;
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| 269 | if (attrOrg.getDataType() != attrTrg.getDataType()) {
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| 270 | // ALTER COLUMN {col} TYPE {type} character varying(35)
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| 271 | strb = new StringBuilder(); |
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| 272 | strb.append("ALTER COLUMN ");
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| 273 | strb.append(helper.escapeFieldName(attrTrg.getName())); |
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| 274 | strb.append(" ");
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| 275 | strb.append(helper.getSqlColumnTypeDescription(attrTrg)); |
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| 276 | |||
| 277 | actions.add(strb.toString()); |
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| 278 | } |
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| 279 | |||
| 280 | if (attrOrg.allowNull() != attrTrg.allowNull()) {
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| 281 | // ALTER [ COLUMN ] column { SET | DROP } NOT NULL
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| 282 | |||
| 283 | strb = new StringBuilder(); |
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| 284 | strb.append("ALTER COLUMN ");
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| 285 | strb.append(helper.escapeFieldName(attrTrg.getName())); |
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| 286 | strb.append(' ');
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| 287 | if (attrTrg.allowNull()) {
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| 288 | strb.append("SET ");
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| 289 | } else {
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| 290 | strb.append("DROP ");
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| 291 | } |
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| 292 | strb.append("NOT NULL");
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| 293 | actions.add(strb.toString()); |
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| 294 | } |
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| 295 | |||
| 296 | if (attrOrg.getDefaultValue() != attrTrg.getDefaultValue()) {
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| 297 | if (attrTrg.getDefaultValue() == null) { |
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| 298 | // ALTER [ COLUMN ] column DROP DEFAULT
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| 299 | |||
| 300 | strb = new StringBuilder(); |
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| 301 | strb.append("ALTER COLUMN ");
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| 302 | strb.append(helper.escapeFieldName(attrTrg.getName())); |
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| 303 | strb.append(" DROP DEFAULT");
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| 304 | actions.add(strb.toString()); |
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| 305 | } else if (!attrTrg.getDefaultValue().equals( |
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| 306 | attrOrg.getDefaultValue())) {
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| 307 | // ALTER [ COLUMN ] column DROP DEFAULT
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| 308 | |||
| 309 | strb = new StringBuilder(); |
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| 310 | strb.append("ALTER COLUMN ");
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| 311 | strb.append(helper.escapeFieldName(attrTrg.getName())); |
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| 312 | strb.append(" SET DEFAULT");
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| 313 | strb.append(helper.dalValueToJDBC(attrTrg, attrTrg |
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| 314 | .getDefaultValue())); |
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| 315 | actions.add(strb.toString()); |
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| 316 | } |
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| 317 | } |
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| 318 | |||
| 319 | return actions;
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| 320 | } |
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| 321 | |||
| 322 | protected void performUpdateTable(Connection conn, FeatureType original, |
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| 323 | FeatureType target) throws DataException {
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| 324 | |||
| 325 | /*
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| 326 | *
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| 327 | * ALTER TABLE [ ONLY ] name [ * ] action [, ... ]
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| 328 | */
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| 329 | |||
| 330 | 32880 | jjdelcerro | List<String> toDrop = new ArrayList<String>(); |
| 331 | List<String> toAdd = new ArrayList<String>(); |
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| 332 | List<String> toAlter = new ArrayList<String>(); |
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| 333 | 28909 | jmvivo | |
| 334 | 32880 | jjdelcerro | List<String> additionalStatement = new ArrayList<String>(); |
| 335 | 28909 | jmvivo | |
| 336 | FeatureAttributeDescriptor attrOrg; |
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| 337 | FeatureAttributeDescriptor attrTrg; |
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| 338 | 32880 | jjdelcerro | Iterator<FeatureAttributeDescriptor> attrs = FeatureTypeHelper.iterator(original);
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| 339 | 28909 | jmvivo | while (attrs.hasNext()) {
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| 340 | attrOrg = (FeatureAttributeDescriptor) attrs.next(); |
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| 341 | attrTrg = target.getAttributeDescriptor(attrOrg.getName()); |
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| 342 | if (attrTrg == null) { |
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| 343 | toDrop.add(getSqlStatementDropField(attrOrg, |
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| 344 | additionalStatement)); |
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| 345 | } else {
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| 346 | 32880 | jjdelcerro | toAlter.addAll(getSqlStatementAlterField(attrOrg, attrTrg,additionalStatement)); |
| 347 | 28909 | jmvivo | } |
| 348 | |||
| 349 | } |
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| 350 | 32880 | jjdelcerro | attrs = FeatureTypeHelper.iterator(target); |
| 351 | 28909 | jmvivo | while (attrs.hasNext()) {
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| 352 | attrTrg = (FeatureAttributeDescriptor) attrs.next(); |
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| 353 | if (original.getAttributeDescriptor(attrTrg.getName()) == null) { |
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| 354 | 32880 | jjdelcerro | toAdd.add(getSqlStatementAddField(attrTrg, |
| 355 | 28909 | jmvivo | additionalStatement)); |
| 356 | } |
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| 357 | } |
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| 358 | |||
| 359 | StringBuilder sqlb = new StringBuilder(); |
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| 360 | |||
| 361 | sqlb.append("ALTER TABLE ");
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| 362 | 29326 | jmvivo | sqlb.append(getJDBCParameters().tableID()); |
| 363 | 28909 | jmvivo | sqlb.append(' ');
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| 364 | |||
| 365 | 32880 | jjdelcerro | List<String> actions = new ArrayList<String>(); |
| 366 | 28909 | jmvivo | actions.addAll(toDrop); |
| 367 | actions.addAll(toAlter); |
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| 368 | actions.addAll(toAdd); |
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| 369 | |||
| 370 | 32880 | jjdelcerro | Iterator<String> it = actions.iterator(); |
| 371 | 28909 | jmvivo | while (it.hasNext()) {
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| 372 | if (it.next() == null) { |
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| 373 | it.remove(); |
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| 374 | } |
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| 375 | } |
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| 376 | |||
| 377 | it = additionalStatement.iterator(); |
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| 378 | while (it.hasNext()) {
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| 379 | if (it.next() == null) { |
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| 380 | it.remove(); |
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| 381 | } |
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| 382 | } |
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| 383 | |||
| 384 | if (actions.size() < 1) { |
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| 385 | return;
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| 386 | } |
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| 387 | |||
| 388 | helper.stringJoin(actions, ", ", sqlb);
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| 389 | |||
| 390 | String sql = sqlb.toString();
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| 391 | |||
| 392 | Statement st = null; |
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| 393 | |||
| 394 | try {
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| 395 | st = conn.createStatement(); |
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| 396 | } catch (SQLException e1) { |
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| 397 | throw new JDBCSQLException(e1); |
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| 398 | } |
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| 399 | try {
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| 400 | st.execute(sql); |
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| 401 | 32880 | jjdelcerro | Iterator<String> iter = additionalStatement.iterator(); |
| 402 | 28909 | jmvivo | while (iter.hasNext()) {
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| 403 | sql = (String) iter.next();
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| 404 | st.execute(sql); |
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| 405 | } |
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| 406 | } catch (SQLException e1) { |
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| 407 | throw new JDBCExecuteSQLException(sql, e1); |
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| 408 | } finally {
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| 409 | try {
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| 410 | st.close(); |
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| 411 | } catch (Exception e) { |
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| 412 | logger.error("Exception closing statement", e);
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| 413 | } |
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| 414 | ; |
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| 415 | } |
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| 416 | |||
| 417 | } |
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| 418 | |||
| 419 | |||
| 420 | private void perfomInsert(Connection conn, PreparedStatement insertSt, |
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| 421 | 32880 | jjdelcerro | String sql, FeatureProvider feature, List<FeatureAttributeDescriptor> attributes) |
| 422 | 28909 | jmvivo | throws DataException {
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| 423 | |||
| 424 | try {
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| 425 | insertSt.clearParameters(); |
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| 426 | 32880 | jjdelcerro | List<Object> values = new ArrayList<Object>(); |
| 427 | 28909 | jmvivo | addToListFeatureValues(feature, attributes, values); |
| 428 | 32880 | jjdelcerro | // FeatureAttributeDescriptor attr;
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| 429 | 28909 | jmvivo | int j = 1; |
| 430 | for (int i = 0; i < values.size(); i++) { |
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| 431 | insertSt.setObject(j, values.get(i)); |
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| 432 | j++; |
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| 433 | } |
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| 434 | if (logger.isDebugEnabled()) {
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| 435 | logger.debug("Executing insert. sql={} value={}", new Object[] { |
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| 436 | sql, values }); |
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| 437 | } |
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| 438 | try {
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| 439 | insertSt.execute(); |
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| 440 | } catch (SQLException e) { |
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| 441 | throw new JDBCExecutePreparedSQLException(sql, values, e); |
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| 442 | } |
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| 443 | |||
| 444 | } catch (SQLException e1) { |
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| 445 | throw new JDBCSQLException(e1); |
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| 446 | } |
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| 447 | } |
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| 448 | |||
| 449 | 29292 | jmvivo | public void append(final FeatureProvider featureProvider) throws DataException { |
| 450 | 28909 | jmvivo | TransactionalAction action = new TransactionalAction() {
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| 451 | public Object action(Connection conn) throws DataException { |
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| 452 | |||
| 453 | PreparedStatement st;
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| 454 | try {
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| 455 | st = conn.prepareStatement(appendModeSql); |
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| 456 | } catch (SQLException e) { |
||
| 457 | throw new JDBCPreparingSQLException(appendModeSql, e); |
||
| 458 | } |
||
| 459 | try {
|
||
| 460 | 29292 | jmvivo | perfomInsert(conn, st, appendModeSql, featureProvider, |
| 461 | 28909 | jmvivo | appendModeAttributes); |
| 462 | } finally {
|
||
| 463 | try {
|
||
| 464 | st.close(); |
||
| 465 | } catch (SQLException e) { |
||
| 466 | } |
||
| 467 | ; |
||
| 468 | } |
||
| 469 | return null; |
||
| 470 | } |
||
| 471 | |||
| 472 | public boolean continueTransactionAllowed() { |
||
| 473 | return false; |
||
| 474 | } |
||
| 475 | }; |
||
| 476 | try {
|
||
| 477 | this.helper.doConnectionAction(action);
|
||
| 478 | |||
| 479 | resetCount(); |
||
| 480 | |||
| 481 | } catch (Exception e) { |
||
| 482 | 33717 | jjdelcerro | throw new PerformEditingException(this.getProviderName(), e); |
| 483 | 28909 | jmvivo | } |
| 484 | } |
||
| 485 | |||
| 486 | protected void prepareAttributeForUpdate(FeatureAttributeDescriptor attr, |
||
| 487 | 32880 | jjdelcerro | List<String> values) { |
| 488 | 28909 | jmvivo | values.add(helper.escapeFieldName(attr.getName()) + " = ?");
|
| 489 | } |
||
| 490 | |||
| 491 | protected void prepareAttributeForInsert(FeatureAttributeDescriptor attr, |
||
| 492 | 32880 | jjdelcerro | List<String> fields, List<String> values) { |
| 493 | 28909 | jmvivo | |
| 494 | fields.add(helper.escapeFieldName(attr.getName())); |
||
| 495 | values.add("?");
|
||
| 496 | |||
| 497 | } |
||
| 498 | |||
| 499 | |||
| 500 | protected void prepareSQLAndAttributeListForInsert(StringBuilder sqlb, |
||
| 501 | 32880 | jjdelcerro | List<FeatureAttributeDescriptor> attributes) throws DataException { |
| 502 | 28909 | jmvivo | /*
|
| 503 | * INSERT INTO table [ ( column [, ...] ) ] { DEFAULT VALUES | VALUES (
|
||
| 504 | * { expression | DEFAULT } [, ...] ) [, ...] | query } [ RETURNING * |
|
||
| 505 | * output_expression [ AS output_name ] [, ...] ]
|
||
| 506 | */
|
||
| 507 | |||
| 508 | sqlb.append("INSERT INTO ");
|
||
| 509 | 29326 | jmvivo | sqlb.append(getJDBCParameters().tableID()); |
| 510 | 28909 | jmvivo | |
| 511 | sqlb.append(" (");
|
||
| 512 | |||
| 513 | 29326 | jmvivo | FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
| 514 | 28909 | jmvivo | |
| 515 | 32880 | jjdelcerro | List<String> fields = new ArrayList<String>(); |
| 516 | List<String> values = new ArrayList<String>(); |
||
| 517 | 28909 | jmvivo | |
| 518 | 32880 | jjdelcerro | Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(type);
|
| 519 | 28909 | jmvivo | FeatureAttributeDescriptor attr; |
| 520 | while (iter.hasNext()) {
|
||
| 521 | 32880 | jjdelcerro | attr = iter.next(); |
| 522 | 28909 | jmvivo | if (attr.isAutomatic() || attr.isReadOnly()) {
|
| 523 | continue;
|
||
| 524 | } |
||
| 525 | attributes.add(attr); |
||
| 526 | prepareAttributeForInsert(attr, fields, values); |
||
| 527 | |||
| 528 | } |
||
| 529 | if (attributes.size() < 1) { |
||
| 530 | throw new RuntimeException("no fields to set"); |
||
| 531 | } |
||
| 532 | |||
| 533 | helper.stringJoin(fields, ", ", sqlb);
|
||
| 534 | |||
| 535 | sqlb.append(") VALUES (");
|
||
| 536 | helper.stringJoin(values, ", ", sqlb);
|
||
| 537 | |||
| 538 | sqlb.append(") ");
|
||
| 539 | |||
| 540 | } |
||
| 541 | |||
| 542 | |||
| 543 | 32880 | jjdelcerro | protected void performInserts(Connection conn, Iterator<FeatureProvider> inserteds) |
| 544 | 28909 | jmvivo | throws DataException {
|
| 545 | |||
| 546 | StringBuilder sqlb = new StringBuilder(); |
||
| 547 | 32880 | jjdelcerro | List<FeatureAttributeDescriptor> attrs = new ArrayList<FeatureAttributeDescriptor>(); |
| 548 | 28909 | jmvivo | |
| 549 | prepareSQLAndAttributeListForInsert(sqlb, attrs); |
||
| 550 | |||
| 551 | String sql = sqlb.toString();
|
||
| 552 | PreparedStatement st;
|
||
| 553 | try {
|
||
| 554 | st = conn.prepareStatement(sql); |
||
| 555 | } catch (SQLException e) { |
||
| 556 | throw new JDBCPreparingSQLException(sql, e); |
||
| 557 | } |
||
| 558 | try {
|
||
| 559 | while (inserteds.hasNext()) {
|
||
| 560 | 32880 | jjdelcerro | perfomInsert(conn, st, sql, inserteds.next(), |
| 561 | 28909 | jmvivo | attrs); |
| 562 | } |
||
| 563 | } finally {
|
||
| 564 | try {st.close();} catch (SQLException e) {logger.error("Error closing statement", e);}; |
||
| 565 | } |
||
| 566 | } |
||
| 567 | |||
| 568 | 32880 | jjdelcerro | protected void performUpdates(Connection conn, Iterator<FeatureProvider> updateds, |
| 569 | List<FeatureAttributeDescriptor> pkAttributes) throws DataException { |
||
| 570 | 28909 | jmvivo | /*
|
| 571 | * UPDATE [ ONLY ] table [ [ AS ] alias ] SET { column = { expression |
|
||
| 572 | * DEFAULT } | ( column [, ...] ) = ( { expression | DEFAULT } [, ...] )
|
||
| 573 | * } [, ...] [ FROM fromlist ] [ WHERE condition ] [ RETURNING * |
|
||
| 574 | * output_expression [ AS output_name ] [, ...] ]
|
||
| 575 | */
|
||
| 576 | |||
| 577 | if (pkAttributes.size() < 0) { |
||
| 578 | throw new RuntimeException("Operation requires missing pk"); |
||
| 579 | } |
||
| 580 | |||
| 581 | // ************ Prepare SQL ****************
|
||
| 582 | |||
| 583 | StringBuilder sqlb = new StringBuilder(); |
||
| 584 | sqlb.append("UPDATE ");
|
||
| 585 | 29326 | jmvivo | sqlb.append(getJDBCParameters().tableID()); |
| 586 | 28909 | jmvivo | |
| 587 | sqlb.append(" SET ");
|
||
| 588 | |||
| 589 | 32880 | jjdelcerro | List<String> values = new ArrayList<String>(); |
| 590 | 28909 | jmvivo | |
| 591 | 29326 | jmvivo | FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
| 592 | 28909 | jmvivo | |
| 593 | 32880 | jjdelcerro | Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(type);
|
| 594 | 28909 | jmvivo | FeatureAttributeDescriptor attr; |
| 595 | 32880 | jjdelcerro | List<FeatureAttributeDescriptor> updateAttrs = new ArrayList<FeatureAttributeDescriptor>(); |
| 596 | 28909 | jmvivo | while (iter.hasNext()) {
|
| 597 | 32880 | jjdelcerro | attr = iter.next(); |
| 598 | 28909 | jmvivo | if (attr.isPrimaryKey() || attr.isAutomatic() || attr.isReadOnly()) {
|
| 599 | continue;
|
||
| 600 | } |
||
| 601 | updateAttrs.add(attr); |
||
| 602 | prepareAttributeForUpdate(attr, values); |
||
| 603 | |||
| 604 | } |
||
| 605 | if (updateAttrs.size() < 1) { |
||
| 606 | throw new RuntimeException("no fields to set"); |
||
| 607 | } |
||
| 608 | |||
| 609 | helper.stringJoin(values, ", ", sqlb);
|
||
| 610 | |||
| 611 | sqlb.append(' ');
|
||
| 612 | appendToSQLPreparedPkWhereClause(sqlb, pkAttributes); |
||
| 613 | |||
| 614 | String sql = sqlb.toString();
|
||
| 615 | // ************ Prepare SQL (end) ****************
|
||
| 616 | |||
| 617 | updateAttrs.addAll(pkAttributes); |
||
| 618 | |||
| 619 | executeUpdatePreparedStatement(conn, sql, updateAttrs, updateds); |
||
| 620 | } |
||
| 621 | |||
| 622 | |||
| 623 | public void beginAppend() throws DataException { |
||
| 624 | StringBuilder sqlb = new StringBuilder(); |
||
| 625 | 32880 | jjdelcerro | List<FeatureAttributeDescriptor> attrs = new ArrayList<FeatureAttributeDescriptor>(); |
| 626 | 28909 | jmvivo | |
| 627 | prepareSQLAndAttributeListForInsert(sqlb, attrs); |
||
| 628 | |||
| 629 | appendModeSql = sqlb.toString(); |
||
| 630 | appendModeAttributes = attrs; |
||
| 631 | } |
||
| 632 | |||
| 633 | |||
| 634 | 29289 | jmvivo | protected TransactionalAction getPerformChangesAction(
|
| 635 | 32880 | jjdelcerro | final Iterator<FeatureReferenceProviderServices> deleteds, |
| 636 | final Iterator<FeatureProvider> inserteds, |
||
| 637 | final Iterator<FeatureProvider> updateds, |
||
| 638 | final Iterator<FeatureTypeChanged> featureTypesChanged) { |
||
| 639 | 28909 | jmvivo | |
| 640 | TransactionalAction action = new TransactionalAction() {
|
||
| 641 | |||
| 642 | public Object action(Connection conn) throws DataException { |
||
| 643 | |||
| 644 | 29289 | jmvivo | if (featureTypesChanged.hasNext()) {
|
| 645 | |||
| 646 | 32880 | jjdelcerro | FeatureTypeChanged item = featureTypesChanged.next(); |
| 647 | 29289 | jmvivo | performUpdateTable(conn, item.getSource(), item.getTarget()); |
| 648 | 28909 | jmvivo | } |
| 649 | |||
| 650 | 32880 | jjdelcerro | List<FeatureAttributeDescriptor> pkAttributes = null; |
| 651 | 28909 | jmvivo | if (deleteds.hasNext() || updateds.hasNext()) {
|
| 652 | 29326 | jmvivo | pkAttributes = Arrays.asList(getFeatureStore()
|
| 653 | .getDefaultFeatureType() |
||
| 654 | 28909 | jmvivo | .getPrimaryKey()); |
| 655 | } |
||
| 656 | |||
| 657 | if (deleteds.hasNext()) {
|
||
| 658 | performDeletes(conn, deleteds, pkAttributes); |
||
| 659 | } |
||
| 660 | |||
| 661 | if (updateds.hasNext()) {
|
||
| 662 | performUpdates(conn, updateds, pkAttributes); |
||
| 663 | } |
||
| 664 | |||
| 665 | if (inserteds.hasNext()) {
|
||
| 666 | performInserts(conn, inserteds); |
||
| 667 | } |
||
| 668 | |||
| 669 | return null; |
||
| 670 | } |
||
| 671 | |||
| 672 | public boolean continueTransactionAllowed() { |
||
| 673 | return false; |
||
| 674 | } |
||
| 675 | |||
| 676 | }; |
||
| 677 | |||
| 678 | return action;
|
||
| 679 | |||
| 680 | } |
||
| 681 | |||
| 682 | 32880 | jjdelcerro | @SuppressWarnings("unchecked") |
| 683 | 29289 | jmvivo | public void performChanges(Iterator deleteds, Iterator inserteds, |
| 684 | Iterator updateds, Iterator featureTypesChanged) |
||
| 685 | 28909 | jmvivo | throws PerformEditingException {
|
| 686 | |||
| 687 | boolean countChanged = deleteds.hasNext() || inserteds.hasNext();
|
||
| 688 | |||
| 689 | try {
|
||
| 690 | 29289 | jmvivo | this.helper.doConnectionAction(getPerformChangesAction(deleteds,
|
| 691 | inserteds, updateds, featureTypesChanged)); |
||
| 692 | 28909 | jmvivo | |
| 693 | this.initFeatureType();
|
||
| 694 | if (countChanged) {
|
||
| 695 | resetCount(); |
||
| 696 | } |
||
| 697 | |||
| 698 | } catch (Exception e) { |
||
| 699 | 33717 | jjdelcerro | throw new PerformEditingException(this.getProviderName(), e); |
| 700 | 28909 | jmvivo | } |
| 701 | } |
||
| 702 | |||
| 703 | |||
| 704 | public boolean allowWrite() { |
||
| 705 | if (directSQLMode) {
|
||
| 706 | return false; |
||
| 707 | } |
||
| 708 | 29326 | jmvivo | if (getJDBCParameters().getPkFields() == null |
| 709 | || getJDBCParameters().getPkFields().length > 0) {
|
||
| 710 | 28909 | jmvivo | FeatureType ft = null;
|
| 711 | try {
|
||
| 712 | 29326 | jmvivo | ft = this.getFeatureStore().getDefaultFeatureType();
|
| 713 | 28909 | jmvivo | } catch (DataException e) {
|
| 714 | logger.error("Excepton get default Feature Type", e);
|
||
| 715 | } |
||
| 716 | |||
| 717 | if (ft == null) { |
||
| 718 | return false; |
||
| 719 | } |
||
| 720 | FeatureAttributeDescriptor attr; |
||
| 721 | 32880 | jjdelcerro | Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(ft);
|
| 722 | 28909 | jmvivo | while (iter.hasNext()) {
|
| 723 | attr = (FeatureAttributeDescriptor) iter.next(); |
||
| 724 | if (attr.isPrimaryKey()) {
|
||
| 725 | return true; |
||
| 726 | } |
||
| 727 | } |
||
| 728 | return false; |
||
| 729 | |||
| 730 | } else {
|
||
| 731 | return true; |
||
| 732 | } |
||
| 733 | } |
||
| 734 | } |