svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_daldb / src / org / gvsig / fmap / dal / store / jdbc / JDBCStoreProvider.java @ 33717
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| 1 | 27525 | 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 | 28784 | jmvivo | import java.security.InvalidParameterException; |
| 34 | 27571 | jmvivo | import java.sql.Connection; |
| 35 | 28784 | jmvivo | import java.sql.PreparedStatement; |
| 36 | 27525 | jmvivo | import java.sql.ResultSet; |
| 37 | import java.sql.SQLException; |
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| 38 | 27571 | jmvivo | import java.sql.Statement; |
| 39 | 27525 | jmvivo | import java.util.ArrayList; |
| 40 | 31022 | cordinyana | import java.util.Collections; |
| 41 | 27571 | jmvivo | import java.util.Iterator; |
| 42 | 27525 | jmvivo | import java.util.List; |
| 43 | |||
| 44 | 28784 | jmvivo | import org.cresques.cts.IProjection; |
| 45 | import org.gvsig.fmap.dal.DALLocator; |
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| 46 | import org.gvsig.fmap.dal.DataManager; |
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| 47 | import org.gvsig.fmap.dal.DataServerExplorer; |
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| 48 | 32880 | jjdelcerro | import org.gvsig.fmap.dal.DataStore; |
| 49 | 28784 | jmvivo | import org.gvsig.fmap.dal.DataStoreNotification; |
| 50 | import org.gvsig.fmap.dal.DataTypes; |
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| 51 | 27672 | jmvivo | import org.gvsig.fmap.dal.exception.CloseException; |
| 52 | 27525 | jmvivo | import org.gvsig.fmap.dal.exception.DataException; |
| 53 | 28784 | jmvivo | import org.gvsig.fmap.dal.exception.InitializeException; |
| 54 | import org.gvsig.fmap.dal.exception.OpenException; |
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| 55 | import org.gvsig.fmap.dal.exception.ReadException; |
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| 56 | import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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| 57 | import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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| 58 | 27571 | jmvivo | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
| 59 | 28784 | jmvivo | import org.gvsig.fmap.dal.feature.FeatureQuery; |
| 60 | 27672 | jmvivo | import org.gvsig.fmap.dal.feature.FeatureType; |
| 61 | 27525 | jmvivo | import org.gvsig.fmap.dal.feature.spi.AbstractFeatureStoreProvider; |
| 62 | 29289 | jmvivo | import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
| 63 | 28784 | jmvivo | import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
| 64 | import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
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| 65 | 31022 | cordinyana | import org.gvsig.fmap.dal.resource.ResourceAction; |
| 66 | import org.gvsig.fmap.dal.resource.exception.ResourceExecuteException; |
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| 67 | 27571 | jmvivo | import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
| 68 | 29326 | jmvivo | import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
| 69 | 32880 | jjdelcerro | import org.gvsig.fmap.dal.store.db.DBHelper; |
| 70 | import org.gvsig.fmap.dal.store.db.FeatureTypeHelper; |
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| 71 | 28785 | jmvivo | import org.gvsig.fmap.dal.store.jdbc.exception.InvalidResultSetIdException; |
| 72 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCException; |
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| 73 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
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| 74 | 28784 | jmvivo | import org.gvsig.fmap.geom.Geometry; |
| 75 | import org.gvsig.fmap.geom.operation.towkb.ToWKB; |
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| 76 | import org.gvsig.fmap.geom.primitive.Envelope; |
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| 77 | 32880 | jjdelcerro | import org.gvsig.metadata.MetadataLocator; |
| 78 | import org.gvsig.metadata.MetadataManager; |
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| 79 | 29326 | jmvivo | import org.gvsig.tools.dynobject.DynObject; |
| 80 | 32880 | jjdelcerro | import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
| 81 | 28784 | jmvivo | import org.gvsig.tools.exception.BaseException; |
| 82 | 27672 | jmvivo | import org.slf4j.Logger; |
| 83 | import org.slf4j.LoggerFactory; |
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| 84 | 27525 | jmvivo | |
| 85 | |||
| 86 | /**
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| 87 | * @author jmvivo
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| 88 | *
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| 89 | */
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| 90 | 28784 | jmvivo | public class JDBCStoreProvider extends AbstractFeatureStoreProvider |
| 91 | implements JDBCHelperUser {
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| 92 | 27525 | jmvivo | |
| 93 | 27672 | jmvivo | final static private Logger logger = LoggerFactory |
| 94 | .getLogger(JDBCStoreProvider.class); |
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| 95 | |||
| 96 | 32880 | jjdelcerro | private List<ResultSetInfo> resulsetList; |
| 97 | 27525 | jmvivo | |
| 98 | 29289 | jmvivo | public static String NAME = "JDBC"; |
| 99 | 28784 | jmvivo | public static String DESCRIPTION = "JDBC source"; |
| 100 | |||
| 101 | 32880 | jjdelcerro | public static final String METADATA_DEFINITION_NAME = NAME; |
| 102 | |||
| 103 | 28630 | jmvivo | private long mlsecondsToZombie = 1000 * 60 * 10; // 10 Min |
| 104 | 27525 | jmvivo | |
| 105 | 28784 | jmvivo | protected JDBCHelper helper;
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| 106 | 28630 | jmvivo | |
| 107 | 28784 | jmvivo | protected boolean directSQLMode; |
| 108 | |||
| 109 | private Long totalCount = null; |
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| 110 | |||
| 111 | 29326 | jmvivo | public JDBCStoreProvider(JDBCStoreParameters params,
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| 112 | DataStoreProviderServices storeServices) throws InitializeException {
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| 113 | 32880 | jjdelcerro | this(
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| 114 | params, |
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| 115 | storeServices, |
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| 116 | DBHelper.newMetadataContainer(METADATA_DEFINITION_NAME) |
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| 117 | ); |
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| 118 | 27525 | jmvivo | } |
| 119 | |||
| 120 | 29326 | jmvivo | protected JDBCStoreProvider(JDBCStoreParameters params,
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| 121 | DataStoreProviderServices storeServices, DynObject metadata) |
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| 122 | 28784 | jmvivo | throws InitializeException {
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| 123 | 29326 | jmvivo | super(params, storeServices, metadata);
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| 124 | |||
| 125 | 32880 | jjdelcerro | resulsetList = new ArrayList<ResultSetInfo>(10); |
| 126 | 29326 | jmvivo | |
| 127 | helper = createHelper(); |
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| 128 | if (params.getSQL() != null && (params.getSQL()).trim().length() > 0) { |
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| 129 | directSQLMode = true;
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| 130 | } |
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| 131 | |||
| 132 | this.initFeatureType();
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| 133 | 28784 | jmvivo | } |
| 134 | 27525 | jmvivo | |
| 135 | 32880 | jjdelcerro | public Object getDynValue(String name) throws DynFieldNotFoundException { |
| 136 | try {
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| 137 | if( DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name) ) {
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| 138 | Envelope env = this.getEnvelope();
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| 139 | if( env != null ) { |
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| 140 | return env;
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| 141 | } |
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| 142 | } else if( DataStore.METADATA_CRS.equalsIgnoreCase(name) ) { |
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| 143 | IProjection proj; |
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| 144 | proj = this.getFeatureStore().getDefaultFeatureType().getDefaultSRS();
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| 145 | if( proj != null ) { |
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| 146 | return proj;
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| 147 | } |
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| 148 | } |
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| 149 | } catch (DataException e) {
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| 150 | throw new RuntimeException(e); |
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| 151 | } |
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| 152 | return super.getDynValue(name); |
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| 153 | } |
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| 154 | |||
| 155 | 27525 | jmvivo | |
| 156 | 29326 | jmvivo | protected JDBCStoreParameters getJDBCParameters() {
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| 157 | return (JDBCStoreParameters) this.getParameters(); |
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| 158 | } |
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| 159 | |||
| 160 | |||
| 161 | 27571 | jmvivo | /**
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| 162 | * Load data form a resulset.<br>
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| 163 | *
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| 164 | * <strong>Note:</strong><br>
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| 165 | * this method have to perform <code>resouceBegin</code> at the begining and
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| 166 | * <code>resourceEnd</code> at the end of execution.
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| 167 | *
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| 168 | *
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| 169 | * @param data
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| 170 | * @param resulsetID
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| 171 | *
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| 172 | * @return
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| 173 | * @throws DataException
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| 174 | */
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| 175 | 31022 | cordinyana | public void loadFeatureProvider(final FeatureProvider data, final int resultsetID) |
| 176 | 27571 | jmvivo | throws DataException {
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| 177 | 31022 | cordinyana | getResource().execute(new ResourceAction() {
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| 178 | public Object run() throws Exception { |
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| 179 | ResultSet rs = getResultSet(resultsetID);
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| 180 | FeatureAttributeDescriptor attr; |
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| 181 | 32880 | jjdelcerro | Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(data.getType());
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| 182 | 31022 | cordinyana | while (iter.hasNext()) {
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| 183 | 32880 | jjdelcerro | attr = iter.next(); |
| 184 | 31022 | cordinyana | loadFeatureProviderValue(data, rs, attr); |
| 185 | } |
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| 186 | return null; |
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| 187 | 27571 | jmvivo | } |
| 188 | 31022 | cordinyana | }); |
| 189 | 27525 | jmvivo | } |
| 190 | |||
| 191 | 29292 | jmvivo | protected void loadFeatureProviderValue(FeatureProvider data, ResultSet rs, |
| 192 | 27571 | jmvivo | FeatureAttributeDescriptor attr) throws DataException {
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| 193 | 33331 | jjdelcerro | if (attr.getType() == DataTypes.GEOMETRY) {
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| 194 | 28784 | jmvivo | byte[] buffer; |
| 195 | try {
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| 196 | buffer = rs.getBytes(attr.getIndex() + 1);
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| 197 | if (buffer == null) { |
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| 198 | data.set(attr.getIndex(), null);
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| 199 | } else {
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| 200 | data.set(attr.getIndex(), this.helper.getGeometry(buffer));
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| 201 | } |
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| 202 | } catch (SQLException e) { |
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| 203 | throw new JDBCSQLException(e); |
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| 204 | } catch (BaseException e) {
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| 205 | 33717 | jjdelcerro | throw new ReadException(getProviderName(), e); |
| 206 | 28784 | jmvivo | } |
| 207 | 27571 | jmvivo | |
| 208 | 28784 | jmvivo | } else {
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| 209 | try {
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| 210 | data.set(attr.getIndex(), rs.getObject(attr.getIndex() + 1));
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| 211 | } catch (SQLException e) { |
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| 212 | throw new JDBCSQLException(e); |
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| 213 | } |
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| 214 | 27571 | jmvivo | } |
| 215 | } |
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| 216 | |||
| 217 | 28630 | jmvivo | public long getTimeToResulSetZombie() { |
| 218 | return mlsecondsToZombie;
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| 219 | } |
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| 220 | |||
| 221 | public void setTimeToResulSetZombie(long mlSeconds) { |
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| 222 | mlsecondsToZombie = mlSeconds; |
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| 223 | } |
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| 224 | |||
| 225 | private class ResultSetInfo{ |
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| 226 | private ResultSet resultSet = null; |
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| 227 | private long lastUse = 0; |
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| 228 | |||
| 229 | public ResultSetInfo(ResultSet resulSet) { |
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| 230 | this.resultSet = resulSet;
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| 231 | used(); |
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| 232 | } |
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| 233 | |||
| 234 | private void used() { |
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| 235 | lastUse = System.currentTimeMillis();
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| 236 | } |
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| 237 | |||
| 238 | |||
| 239 | public ResultSet get() { |
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| 240 | used(); |
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| 241 | return resultSet;
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| 242 | } |
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| 243 | |||
| 244 | public boolean isZombie() { |
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| 245 | return System.currentTimeMillis() - lastUse > mlsecondsToZombie; |
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| 246 | } |
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| 247 | } |
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| 248 | |||
| 249 | 31128 | cordinyana | public final int createResultSet(String sql, int fetchSize) |
| 250 | 27571 | jmvivo | throws DataException {
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| 251 | 31128 | cordinyana | return createResultSet(sql, null, -1); |
| 252 | 27571 | jmvivo | } |
| 253 | |||
| 254 | 31128 | cordinyana | public final int createResultSet(final String sql, final Object[] values, |
| 255 | final int fetchSize) |
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| 256 | 27571 | jmvivo | throws DataException {
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| 257 | 27672 | jmvivo | synchronized (this) { |
| 258 | 28630 | jmvivo | checksResulsets(); |
| 259 | 31022 | cordinyana | return ((Integer) getResource().execute(new ResourceAction() { |
| 260 | public Object run() throws Exception { |
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| 261 | ResultSetInfo newRs = |
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| 262 | 31128 | cordinyana | new ResultSetInfo(createNewResultSet(sql, values,
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| 263 | fetchSize)); |
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| 264 | 31022 | cordinyana | int newId = getNewId();
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| 265 | if (newId < 0) { |
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| 266 | newId = resulsetList.size(); |
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| 267 | resulsetList.add(newRs); |
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| 268 | } else {
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| 269 | resulsetList.set(newId, newRs); |
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| 270 | } |
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| 271 | if (logger.isDebugEnabled()) {
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| 272 | logger.debug(" id: {} (total {})", newId,
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| 273 | getResultsetOpenCount()); |
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| 274 | } |
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| 275 | |||
| 276 | return Integer.valueOf(newId); |
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| 277 | 27672 | jmvivo | } |
| 278 | 31022 | cordinyana | })).intValue(); |
| 279 | 27525 | jmvivo | } |
| 280 | } |
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| 281 | |||
| 282 | private int getNewId() { |
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| 283 | int newId;
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| 284 | if (resulsetList.size() < 1) { |
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| 285 | return -1; |
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| 286 | } |
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| 287 | for (newId = 0; newId < resulsetList.size(); newId++) { |
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| 288 | if (resulsetList.get(newId) == null) { |
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| 289 | return newId;
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| 290 | } |
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| 291 | } |
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| 292 | return -1; |
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| 293 | } |
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| 294 | |||
| 295 | 27672 | jmvivo | protected final void forceCloseAllResultSet() |
| 296 | 31022 | cordinyana | throws ResourceExecuteException,
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| 297 | 28191 | jmvivo | JDBCException {
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| 298 | 27672 | jmvivo | synchronized (this) { |
| 299 | 32880 | jjdelcerro | // FIXME: Esto no deberia funcionar.
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| 300 | 27672 | jmvivo | Iterator iter = resulsetList.iterator();
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| 301 | Integer rsID = null; |
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| 302 | while (iter.hasNext()) {
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| 303 | rsID = (Integer) iter.next();
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| 304 | if (rsID != null) { |
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| 305 | try {
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| 306 | 28630 | jmvivo | forceCloseResultSet(rsID.intValue()); |
| 307 | 27672 | jmvivo | } catch (InvalidResultSetIdException e) {
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| 308 | continue;
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| 309 | } |
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| 310 | } |
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| 311 | iter.remove(); |
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| 312 | } |
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| 313 | |||
| 314 | } |
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| 315 | 28630 | jmvivo | } |
| 316 | 32880 | jjdelcerro | |
| 317 | 28630 | jmvivo | protected final void forceCloseResultSet(int rsID) |
| 318 | 31022 | cordinyana | throws ResourceExecuteException, JDBCException,
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| 319 | 28630 | jmvivo | InvalidResultSetIdException {
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| 320 | logger.warn("Close forced of resultSet ({})", rsID);
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| 321 | closeResulset(rsID); |
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| 322 | 27672 | jmvivo | } |
| 323 | |||
| 324 | 27525 | jmvivo | protected final ResultSet getResultSet(int resultsetID) |
| 325 | throws InvalidResultSetIdException {
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| 326 | if (resultsetID >= resulsetList.size()) {
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| 327 | throw new InvalidResultSetIdException(resultsetID); |
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| 328 | } |
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| 329 | 32880 | jjdelcerro | ResultSetInfo rsInfo = resulsetList.get(resultsetID); |
| 330 | 28630 | jmvivo | if (rsInfo == null) { |
| 331 | 27525 | jmvivo | throw new InvalidResultSetIdException(resultsetID); |
| 332 | } |
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| 333 | 28630 | jmvivo | return rsInfo.get();
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| 334 | 27525 | jmvivo | |
| 335 | } |
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| 336 | |||
| 337 | 27672 | jmvivo | private ResultSet dropResultSet(int resultsetID) |
| 338 | 27571 | jmvivo | throws InvalidResultSetIdException {
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| 339 | if (resultsetID >= resulsetList.size()) {
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| 340 | throw new InvalidResultSetIdException(resultsetID); |
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| 341 | } |
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| 342 | 28630 | jmvivo | ResultSetInfo rsInfo = (ResultSetInfo) resulsetList.get(resultsetID); |
| 343 | if (rsInfo == null) { |
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| 344 | 27571 | jmvivo | throw new InvalidResultSetIdException(resultsetID); |
| 345 | } |
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| 346 | if (resultsetID == resulsetList.size() - 1) { |
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| 347 | resulsetList.remove(resultsetID); |
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| 348 | } else {
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| 349 | resulsetList.set(resultsetID, null);
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| 350 | } |
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| 351 | 28630 | jmvivo | return rsInfo.get();
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| 352 | 27571 | jmvivo | } |
| 353 | |||
| 354 | |||
| 355 | 31022 | cordinyana | public final boolean resulsetNext(final int resultsetID) |
| 356 | throws JDBCException,
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| 357 | InvalidResultSetIdException, ResourceExecuteException {
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| 358 | return ((Boolean) getResource().execute(new ResourceAction() { |
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| 359 | public Object run() throws Exception { |
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| 360 | return Boolean.valueOf(getResultSet(resultsetID).next()); |
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| 361 | } |
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| 362 | })).booleanValue(); |
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| 363 | 27525 | jmvivo | } |
| 364 | |||
| 365 | 31022 | cordinyana | public final void closeResulset(final int resultsetID) |
| 366 | 28191 | jmvivo | throws JDBCException,
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| 367 | 31022 | cordinyana | InvalidResultSetIdException, ResourceExecuteException {
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| 368 | 27672 | jmvivo | synchronized (this) { |
| 369 | 31022 | cordinyana | getResource().execute(new ResourceAction() {
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| 370 | public Object run() throws Exception { |
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| 371 | ResultSet rs = dropResultSet(resultsetID);
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| 372 | closeResulset(rs); |
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| 373 | return null; |
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| 374 | 27672 | jmvivo | } |
| 375 | 31022 | cordinyana | }); |
| 376 | if (logger.isDebugEnabled()) {
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| 377 | logger.debug(" id: " + resultsetID + " (total " |
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| 378 | + getResultsetOpenCount() + ")");
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| 379 | } |
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| 380 | 28630 | jmvivo | checksResulsets(); |
| 381 | } |
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| 382 | } |
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| 383 | 27672 | jmvivo | |
| 384 | 28630 | jmvivo | public final void checksResulsets() throws JDBCException, |
| 385 | 31022 | cordinyana | InvalidResultSetIdException, ResourceExecuteException {
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| 386 | 28630 | jmvivo | synchronized (this) { |
| 387 | 31022 | cordinyana | getResource().execute(new ResourceAction() {
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| 388 | public Object run() throws Exception { |
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| 389 | ResultSetInfo rsInfo; |
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| 390 | for (int i = 0; i < resulsetList.size(); i++) { |
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| 391 | rsInfo = (ResultSetInfo) resulsetList.get(i); |
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| 392 | if (rsInfo == null) { |
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| 393 | continue;
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| 394 | } |
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| 395 | if (rsInfo.isZombie()) {
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| 396 | forceCloseResultSet(i); |
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| 397 | } |
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| 398 | 28630 | jmvivo | } |
| 399 | 31022 | cordinyana | return null; |
| 400 | 28630 | jmvivo | } |
| 401 | 31022 | cordinyana | }); |
| 402 | 27525 | jmvivo | } |
| 403 | } |
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| 404 | |||
| 405 | 31022 | cordinyana | protected void closeResulset(final ResultSet rs) throws JDBCException, |
| 406 | ResourceExecuteException {
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| 407 | getResource().execute(new ResourceAction() {
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| 408 | public Object run() throws Exception { |
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| 409 | Statement st = rs.getStatement();
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| 410 | Connection con = st.getConnection();
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| 411 | try {
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| 412 | rs.close(); |
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| 413 | } finally {
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| 414 | // TODO revisar esto
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| 415 | try{ st.close(); } catch (Exception ex){ }; |
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| 416 | try{ con.close(); } catch (Exception ex){ }; |
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| 417 | } |
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| 418 | return null; |
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| 419 | 27571 | jmvivo | } |
| 420 | 31022 | cordinyana | }); |
| 421 | 27571 | jmvivo | } |
| 422 | |||
| 423 | 32880 | jjdelcerro | private int getResultsetOpenCount() { |
| 424 | int count = 0; |
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| 425 | Iterator<ResultSetInfo> iter = resulsetList.iterator();
|
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| 426 | while (iter.hasNext()) {
|
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| 427 | if (iter.next() != null) { |
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| 428 | count++; |
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| 429 | } |
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| 430 | } |
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| 431 | return count;
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| 432 | } |
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| 433 | |||
| 434 | 27571 | jmvivo | protected final int openResulsetCount() { |
| 435 | int count = 0; |
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| 436 | 32880 | jjdelcerro | Iterator<ResultSetInfo> iter = resulsetList.iterator();
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| 437 | 27571 | jmvivo | while (iter.hasNext()) {
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| 438 | if (iter.next() != null) { |
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| 439 | count++; |
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| 440 | } |
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| 441 | } |
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| 442 | return count;
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| 443 | } |
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| 444 | |||
| 445 | public boolean closeResourceRequested(ResourceProvider resource) { |
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| 446 | try {
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| 447 | 28630 | jmvivo | checksResulsets(); |
| 448 | 27571 | jmvivo | return openResulsetCount() == 0 && closeResource(resource); |
| 449 | 28630 | jmvivo | } catch (DataException e) {
|
| 450 | logger.error("Exception throws", e);
|
||
| 451 | 27571 | jmvivo | return false; |
| 452 | } |
||
| 453 | } |
||
| 454 | |||
| 455 | |||
| 456 | 28784 | jmvivo | protected String fixFilter(String filter) { |
| 457 | if (filter == null) { |
||
| 458 | return null; |
||
| 459 | } |
||
| 460 | |||
| 461 | return filter;
|
||
| 462 | 27672 | jmvivo | } |
| 463 | |||
| 464 | 28784 | jmvivo | protected JDBCHelper createHelper() throws InitializeException { |
| 465 | 29326 | jmvivo | return new JDBCHelper(this, getJDBCParameters()); |
| 466 | 28784 | jmvivo | } |
| 467 | |||
| 468 | protected JDBCHelper getHelper() {
|
||
| 469 | return helper;
|
||
| 470 | } |
||
| 471 | |||
| 472 | protected void resetCount() { |
||
| 473 | totalCount = null;
|
||
| 474 | } |
||
| 475 | |||
| 476 | /**
|
||
| 477 | * Get feature count for a <code>filter</code>.<br>
|
||
| 478 | *
|
||
| 479 | * <code>filter</code> can be <code>null</code>.<br>
|
||
| 480 | *
|
||
| 481 | * <strong>Note:</strong><br>
|
||
| 482 | * this method have to perform <code>resouceBegin</code> at the begining and
|
||
| 483 | * <code>resourceEnd</code> at the end of execution.
|
||
| 484 | *
|
||
| 485 | *
|
||
| 486 | * @param filter
|
||
| 487 | * @return
|
||
| 488 | * @throws DataException
|
||
| 489 | */
|
||
| 490 | 31128 | cordinyana | protected long getCount(String filter) |
| 491 | throws DataException {
|
||
| 492 | 28784 | jmvivo | this.open();
|
| 493 | if (filter == null && totalCount != null) { |
||
| 494 | return totalCount.longValue();
|
||
| 495 | } |
||
| 496 | 31022 | cordinyana | final String sql = compoundCountSelect(filter); |
| 497 | 31128 | cordinyana | |
| 498 | 31022 | cordinyana | long count = ((Long) getResource().execute(new ResourceAction() { |
| 499 | public Object run() throws Exception { |
||
| 500 | long count = 0; |
||
| 501 | 31128 | cordinyana | ResultSet rs = createNewResultSet(sql, null, 1); |
| 502 | 31022 | cordinyana | try {
|
| 503 | if (rs.next()) {
|
||
| 504 | count = rs.getLong(1);
|
||
| 505 | } |
||
| 506 | } catch (SQLException e) { |
||
| 507 | throw new JDBCSQLException(e); |
||
| 508 | } finally {
|
||
| 509 | closeResulset(rs); |
||
| 510 | 28784 | jmvivo | } |
| 511 | 31022 | cordinyana | return Long.valueOf(count); |
| 512 | 28784 | jmvivo | } |
| 513 | 31022 | cordinyana | })).longValue(); |
| 514 | 31128 | cordinyana | |
| 515 | 28784 | jmvivo | if (filter == null) { |
| 516 | totalCount = new Long(count); |
||
| 517 | } |
||
| 518 | return count;
|
||
| 519 | } |
||
| 520 | |||
| 521 | 27672 | jmvivo | public void close() throws CloseException { |
| 522 | 28784 | jmvivo | helper.close(); |
| 523 | } |
||
| 524 | |||
| 525 | public void open() throws OpenException { |
||
| 526 | helper.open(); |
||
| 527 | } |
||
| 528 | |||
| 529 | 31022 | cordinyana | @Override
|
| 530 | protected FeatureProvider internalGetFeatureProviderByReference(
|
||
| 531 | 28784 | jmvivo | FeatureReferenceProviderServices reference) throws DataException {
|
| 532 | 31022 | cordinyana | return internalGetFeatureProviderByReference(reference,
|
| 533 | getFeatureStore() |
||
| 534 | 28784 | jmvivo | .getDefaultFeatureType()); |
| 535 | } |
||
| 536 | |||
| 537 | 31022 | cordinyana | @Override
|
| 538 | protected FeatureProvider internalGetFeatureProviderByReference(
|
||
| 539 | 31128 | cordinyana | FeatureReferenceProviderServices reference, |
| 540 | FeatureType featureType) |
||
| 541 | 28784 | jmvivo | throws DataException {
|
| 542 | 31022 | cordinyana | StringBuilder filter = new StringBuilder(); |
| 543 | FeatureAttributeDescriptor[] pk =
|
||
| 544 | getFeatureStore().getFeatureType(featureType.getId()) |
||
| 545 | .getPrimaryKey(); |
||
| 546 | 28784 | jmvivo | |
| 547 | 32880 | jjdelcerro | List<Object> values = new ArrayList<Object>(); |
| 548 | 28784 | jmvivo | |
| 549 | 31022 | cordinyana | int i;
|
| 550 | for (i = 0; i < pk.length - 1; i++) { |
||
| 551 | 32880 | jjdelcerro | values.add( |
| 552 | helper.dalValueToJDBC(pk[i], |
||
| 553 | 31022 | cordinyana | reference.getKeyValue(pk[i].getName()))); |
| 554 | 28784 | jmvivo | filter.append(helper.getSqlFieldName(pk[i])); |
| 555 | 31022 | cordinyana | filter.append(" = ? AND ");
|
| 556 | } |
||
| 557 | values.add(helper.dalValueToJDBC(pk[i], |
||
| 558 | reference.getKeyValue(pk[i].getName()))); |
||
| 559 | filter.append(helper.getSqlFieldName(pk[i])); |
||
| 560 | filter.append(" = ? ");
|
||
| 561 | 28784 | jmvivo | |
| 562 | 31022 | cordinyana | String sql = compoundSelect(featureType, filter.toString(), null, 1, 0); |
| 563 | 28784 | jmvivo | |
| 564 | 31022 | cordinyana | FeatureProvider data; |
| 565 | 31128 | cordinyana | int rsId = createResultSet(sql, values.toArray(), 1); |
| 566 | 31022 | cordinyana | try {
|
| 567 | if (!resulsetNext(rsId)) {
|
||
| 568 | throw new RuntimeException("Reference Not found"); |
||
| 569 | 28784 | jmvivo | } |
| 570 | 31022 | cordinyana | data = createFeatureProvider(featureType); |
| 571 | loadFeatureProvider(data, rsId); |
||
| 572 | 28784 | jmvivo | } finally {
|
| 573 | 31022 | cordinyana | closeResulset(rsId); |
| 574 | 27672 | jmvivo | } |
| 575 | 28784 | jmvivo | |
| 576 | 31022 | cordinyana | return data;
|
| 577 | 28784 | jmvivo | } |
| 578 | |||
| 579 | 29289 | jmvivo | public int getOIDType() { |
| 580 | 28784 | jmvivo | return DataTypes.UNKNOWN;
|
| 581 | } |
||
| 582 | |||
| 583 | protected void initFeatureType() throws InitializeException { |
||
| 584 | |||
| 585 | EditableFeatureType edFType = null;
|
||
| 586 | 27672 | jmvivo | try {
|
| 587 | 29326 | jmvivo | edFType = this.getStoreServices().createFeatureType();
|
| 588 | 28784 | jmvivo | |
| 589 | 29326 | jmvivo | helper.loadFeatureType(edFType, getJDBCParameters()); |
| 590 | 28784 | jmvivo | |
| 591 | 27672 | jmvivo | } catch (DataException e) {
|
| 592 | 33717 | jjdelcerro | throw new InitializeException(this.getProviderName(), e); |
| 593 | 28784 | jmvivo | } |
| 594 | |||
| 595 | FeatureType defaultType = edFType.getNotEditableCopy(); |
||
| 596 | 32880 | jjdelcerro | List<FeatureType> types = Collections.singletonList(defaultType); |
| 597 | 29326 | jmvivo | this.getStoreServices().setFeatureTypes(types, defaultType);
|
| 598 | 28784 | jmvivo | } |
| 599 | |||
| 600 | 31022 | cordinyana | protected ResultSet createNewResultSet(final String sql, |
| 601 | 31128 | cordinyana | final Object[] values, final int fetchSize) |
| 602 | throws DataException {
|
||
| 603 | 28784 | jmvivo | this.open();
|
| 604 | 31022 | cordinyana | return (ResultSet) getResource().execute(new ResourceAction() { |
| 605 | public Object run() throws Exception { |
||
| 606 | Connection conn = null; |
||
| 607 | PreparedStatement st = null; |
||
| 608 | ResultSet rs = null; |
||
| 609 | try {
|
||
| 610 | 28784 | jmvivo | |
| 611 | 31022 | cordinyana | conn = helper.getConnection(); |
| 612 | 31128 | cordinyana | conn.setAutoCommit(false);
|
| 613 | 31022 | cordinyana | st = conn.prepareStatement(sql); |
| 614 | |||
| 615 | if (values != null) { |
||
| 616 | Object value;
|
||
| 617 | for (int i = 0; i < values.length; i++) { |
||
| 618 | value = values[i]; |
||
| 619 | if (value instanceof Geometry) { |
||
| 620 | byte[] bytes; |
||
| 621 | try {
|
||
| 622 | bytes = |
||
| 623 | (byte[]) ((Geometry) value).invokeOperation( |
||
| 624 | ToWKB.CODE, null);
|
||
| 625 | } catch (BaseException e) {
|
||
| 626 | throw new InvalidParameterException(); |
||
| 627 | } |
||
| 628 | st.setBytes(i + 1, bytes);
|
||
| 629 | } |
||
| 630 | st.setObject(i + 1, value);
|
||
| 631 | 28784 | jmvivo | } |
| 632 | } |
||
| 633 | 31022 | cordinyana | |
| 634 | 31128 | cordinyana | if (fetchSize > 0) { |
| 635 | st.setFetchSize(fetchSize); |
||
| 636 | } |
||
| 637 | 31022 | cordinyana | rs = st.executeQuery(); |
| 638 | 31128 | cordinyana | if (fetchSize > 0) { |
| 639 | rs.setFetchSize(fetchSize); |
||
| 640 | } |
||
| 641 | 31022 | cordinyana | return rs;
|
| 642 | } catch (SQLException e) { |
||
| 643 | try {
|
||
| 644 | rs.close(); |
||
| 645 | } catch (Exception e1) { |
||
| 646 | } |
||
| 647 | try {
|
||
| 648 | st.close(); |
||
| 649 | } catch (Exception e1) { |
||
| 650 | } |
||
| 651 | try {
|
||
| 652 | conn.close(); |
||
| 653 | } catch (Exception e1) { |
||
| 654 | } |
||
| 655 | throw new JDBCSQLException(e); |
||
| 656 | 28784 | jmvivo | } |
| 657 | } |
||
| 658 | 31022 | cordinyana | }); |
| 659 | 27672 | jmvivo | } |
| 660 | |||
| 661 | 28784 | jmvivo | protected boolean closeResource(ResourceProvider resource) { |
| 662 | try {
|
||
| 663 | this.helper.close();
|
||
| 664 | } catch (CloseException e) {
|
||
| 665 | logger.error("Exception in close Request", e);
|
||
| 666 | } |
||
| 667 | return !this.helper.isOpen(); |
||
| 668 | } |
||
| 669 | |||
| 670 | protected String compoundCountSelect(String filter) { |
||
| 671 | if (this.directSQLMode) { |
||
| 672 | return null; |
||
| 673 | } |
||
| 674 | // Select
|
||
| 675 | StringBuilder sql = new StringBuilder(); |
||
| 676 | sql.append("Select count(");
|
||
| 677 | 29326 | jmvivo | String[] pkFields = getJDBCParameters().getPkFields(); |
| 678 | 28784 | jmvivo | if (pkFields != null && pkFields.length == 1) { |
| 679 | sql.append(helper.escapeFieldName(pkFields[0]));
|
||
| 680 | } else {
|
||
| 681 | sql.append('*');
|
||
| 682 | |||
| 683 | } |
||
| 684 | sql.append(") ");
|
||
| 685 | |||
| 686 | sql.append("from ");
|
||
| 687 | |||
| 688 | 29326 | jmvivo | sql.append(getJDBCParameters().tableID()); |
| 689 | 28784 | jmvivo | sql.append(' ');
|
| 690 | |||
| 691 | appendWhere(sql, filter); |
||
| 692 | |||
| 693 | return sql.toString();
|
||
| 694 | } |
||
| 695 | |||
| 696 | protected void appendWhere(StringBuilder sql, String filter) { |
||
| 697 | filter = fixFilter(filter); |
||
| 698 | 32880 | jjdelcerro | String initialFilter = getJDBCParameters().getBaseFilter();
|
| 699 | 28784 | jmvivo | if ((initialFilter != null && initialFilter.length() != 0) |
| 700 | || (filter != null && filter.length() != 0)) { |
||
| 701 | sql.append("where (");
|
||
| 702 | |||
| 703 | if (initialFilter != null && initialFilter.length() != 0 |
||
| 704 | && filter != null && filter.length() != 0) { |
||
| 705 | // initialFilter + filter
|
||
| 706 | sql.append('(');
|
||
| 707 | sql.append(initialFilter); |
||
| 708 | sql.append(") and (");
|
||
| 709 | sql.append(filter); |
||
| 710 | sql.append(')');
|
||
| 711 | } else if (initialFilter != null && initialFilter.length() != 0) { |
||
| 712 | // initialFilter only
|
||
| 713 | sql.append(initialFilter); |
||
| 714 | } else {
|
||
| 715 | // filter only
|
||
| 716 | sql.append(filter); |
||
| 717 | } |
||
| 718 | sql.append(") ");
|
||
| 719 | } |
||
| 720 | } |
||
| 721 | |||
| 722 | public void closeDone() throws DataException { |
||
| 723 | 32880 | jjdelcerro | // Do nothing
|
| 724 | 28784 | jmvivo | } |
| 725 | |||
| 726 | public void opendDone() throws DataException { |
||
| 727 | // Nothing to do
|
||
| 728 | } |
||
| 729 | |||
| 730 | public Envelope getEnvelope() throws DataException { |
||
| 731 | this.open();
|
||
| 732 | 32880 | jjdelcerro | String defaultGeometryAttributeName;
|
| 733 | defaultGeometryAttributeName = this.getFeatureStore()
|
||
| 734 | .getDefaultFeatureType() |
||
| 735 | .getDefaultGeometryAttributeName(); |
||
| 736 | if( defaultGeometryAttributeName != null ) { |
||
| 737 | return this.helper.getFullEnvelopeOfField( |
||
| 738 | this.getJDBCParameters(),
|
||
| 739 | defaultGeometryAttributeName, |
||
| 740 | this.getJDBCParameters().getWorkingArea()
|
||
| 741 | ); |
||
| 742 | } |
||
| 743 | return null; |
||
| 744 | 28784 | jmvivo | } |
| 745 | |||
| 746 | public void resourceChanged(ResourceProvider resource) { |
||
| 747 | 29326 | jmvivo | this.getStoreServices().notifyChange(
|
| 748 | DataStoreNotification.RESOURCE_CHANGED, |
||
| 749 | 28784 | jmvivo | resource); |
| 750 | } |
||
| 751 | |||
| 752 | public boolean allowAutomaticValues() { |
||
| 753 | 28948 | jmvivo | return this.helper.allowAutomaticValues(); |
| 754 | 28784 | jmvivo | } |
| 755 | |||
| 756 | public DataServerExplorer getExplorer() throws ReadException { |
||
| 757 | DataManager manager = DALLocator.getDataManager(); |
||
| 758 | JDBCServerExplorerParameters exParams; |
||
| 759 | 29326 | jmvivo | JDBCStoreParameters params = getJDBCParameters(); |
| 760 | 28784 | jmvivo | try {
|
| 761 | exParams = (JDBCServerExplorerParameters) manager |
||
| 762 | .createServerExplorerParameters(JDBCServerExplorer.NAME); |
||
| 763 | exParams.setHost(params.getHost()); |
||
| 764 | exParams.setPort(params.getPort()); |
||
| 765 | exParams.setDBName(params.getDBName()); |
||
| 766 | exParams.setUser(params.getUser()); |
||
| 767 | exParams.setPassword(params.getPassword()); |
||
| 768 | 28909 | jmvivo | exParams.setUrl(params.getUrl()); |
| 769 | 28784 | jmvivo | exParams.setCatalog(params.getCatalog()); |
| 770 | exParams.setSchema(params.getSchema()); |
||
| 771 | exParams.setJDBCDriverClassName(params.getJDBCDriverClassName()); |
||
| 772 | |||
| 773 | 32880 | jjdelcerro | return manager.openServerExplorer(JDBCServerExplorer.NAME,exParams);
|
| 774 | 28784 | jmvivo | } catch (DataException e) {
|
| 775 | 33717 | jjdelcerro | throw new ReadException(this.getProviderName(), e); |
| 776 | 28784 | jmvivo | } catch (ValidateDataParametersException e) {
|
| 777 | 33717 | jjdelcerro | throw new ReadException(this.getProviderName(), e); |
| 778 | 28784 | jmvivo | } |
| 779 | } |
||
| 780 | |||
| 781 | 31284 | cordinyana | @Override
|
| 782 | protected void doDispose() throws BaseException { |
||
| 783 | 28784 | jmvivo | this.close();
|
| 784 | resulsetList = null;
|
||
| 785 | this.helper.dispose();
|
||
| 786 | 31890 | cordinyana | super.doDispose();
|
| 787 | 28784 | jmvivo | } |
| 788 | |||
| 789 | public Object createNewOID() { |
||
| 790 | return null; |
||
| 791 | } |
||
| 792 | |||
| 793 | public String compoundSelect(FeatureType type, String filter, String order, |
||
| 794 | long limit, long offset) throws DataException { |
||
| 795 | StringBuilder sql = new StringBuilder(); |
||
| 796 | 29326 | jmvivo | JDBCStoreParameters params = getJDBCParameters(); |
| 797 | 28784 | jmvivo | if (directSQLMode) {
|
| 798 | if (filter != null || order != null) { |
||
| 799 | throw new UnsupportedOperationException(); |
||
| 800 | } |
||
| 801 | sql.append(params.getSQL()); |
||
| 802 | sql.append(' ');
|
||
| 803 | } else {
|
||
| 804 | FeatureAttributeDescriptor[] fields = type
|
||
| 805 | .getAttributeDescriptors(); |
||
| 806 | |||
| 807 | // Select
|
||
| 808 | sql.append("Select ");
|
||
| 809 | for (int i = 0; i < fields.length - 1; i++) { |
||
| 810 | sql.append(helper.getSqlFieldName(fields[i])); |
||
| 811 | sql.append(", ");
|
||
| 812 | } |
||
| 813 | sql.append(helper.getSqlFieldName(fields[fields.length - 1]));
|
||
| 814 | sql.append(' ');
|
||
| 815 | |||
| 816 | 29326 | jmvivo | FeatureAttributeDescriptor[] pkFields = getStoreServices()
|
| 817 | 28784 | jmvivo | .getProviderFeatureType(type.getId()).getPrimaryKey(); |
| 818 | |||
| 819 | if (pkFields != null && pkFields.length > 0) { |
||
| 820 | // checks for pk fields are in select
|
||
| 821 | boolean toAdd;
|
||
| 822 | for (int i = 0; i < pkFields.length; i++) { |
||
| 823 | toAdd = true;
|
||
| 824 | for (int j = 0; j < fields.length; j++) { |
||
| 825 | if (pkFields[i].getName().equals(fields[j].getName())) {
|
||
| 826 | toAdd = false;
|
||
| 827 | break;
|
||
| 828 | } |
||
| 829 | if (toAdd) {
|
||
| 830 | sql.append(", ");
|
||
| 831 | sql.append(helper.getSqlFieldName(pkFields[i])); |
||
| 832 | } |
||
| 833 | } |
||
| 834 | } |
||
| 835 | sql.append(' ');
|
||
| 836 | } |
||
| 837 | |||
| 838 | // table
|
||
| 839 | sql.append("from ");
|
||
| 840 | sql.append(params.tableID()); |
||
| 841 | sql.append(' ');
|
||
| 842 | |||
| 843 | // Where
|
||
| 844 | appendWhere(sql, filter); |
||
| 845 | |||
| 846 | // Order
|
||
| 847 | 32880 | jjdelcerro | if ((params.getBaseOrder() != null && params.getBaseOrder() |
| 848 | 28784 | jmvivo | .length() != 0)
|
| 849 | || (order != null && order.length() != 0)) { |
||
| 850 | sql.append("order by ");
|
||
| 851 | |||
| 852 | if (order != null && order.length() != 0) { |
||
| 853 | // order
|
||
| 854 | sql.append(order); |
||
| 855 | } else {
|
||
| 856 | // initial order
|
||
| 857 | 32880 | jjdelcerro | sql.append(params.getBaseOrder()); |
| 858 | 28784 | jmvivo | } |
| 859 | sql.append(' ');
|
||
| 860 | } |
||
| 861 | } |
||
| 862 | // limit offset
|
||
| 863 | 31128 | cordinyana | if (limit > 0 || offset > 0) { |
| 864 | 28784 | jmvivo | sql.append(helper.compoundLimitAndOffset(limit,offset)); |
| 865 | } |
||
| 866 | return sql.toString();
|
||
| 867 | } |
||
| 868 | |||
| 869 | public long getFeatureCount() throws DataException { |
||
| 870 | return getCount(null); |
||
| 871 | } |
||
| 872 | |||
| 873 | 33717 | jjdelcerro | public String getProviderName() { |
| 874 | 28784 | jmvivo | return NAME;
|
| 875 | } |
||
| 876 | |||
| 877 | 29289 | jmvivo | public boolean hasGeometrySupport() { |
| 878 | 28784 | jmvivo | return false; |
| 879 | } |
||
| 880 | |||
| 881 | public FeatureSetProvider createSet(FeatureQuery query,
|
||
| 882 | FeatureType featureType) throws DataException {
|
||
| 883 | |||
| 884 | return new JDBCSetProvider(this, query, featureType); |
||
| 885 | } |
||
| 886 | |||
| 887 | public Object getSourceId() { |
||
| 888 | 29326 | jmvivo | return this.getJDBCParameters().getSourceId(); |
| 889 | 28784 | jmvivo | } |
| 890 | 33717 | jjdelcerro | |
| 891 | public String getName() { |
||
| 892 | return this.getJDBCParameters().tableID(); |
||
| 893 | } |
||
| 894 | 31022 | cordinyana | |
| 895 | 33717 | jjdelcerro | public String getFullName() { |
| 896 | return this.getJDBCParameters().getHost()+":"+this.getJDBCParameters().getDBName()+":"+this.getJDBCParameters().tableID(); |
||
| 897 | } |
||
| 898 | |||
| 899 | |||
| 900 | 31022 | cordinyana | public ResourceProvider getResource() {
|
| 901 | return getHelper().getResource();
|
||
| 902 | } |
||
| 903 | } |