svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.db / org.gvsig.fmap.dal.db.jdbc / src / main / java / org / gvsig / fmap / dal / store / jdbc / JDBCStoreProvider.java @ 43020
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.dal.store.jdbc; |
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import java.security.InvalidParameterException; |
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import java.sql.Connection; |
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import java.sql.PreparedStatement; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import java.util.ArrayList; |
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import java.util.Collections; |
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import java.util.Iterator; |
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import java.util.List; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataServerExplorer; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.DataStoreNotification; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.exception.CloseException; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.OpenException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.spi.AbstractFeatureStoreProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
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import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
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import org.gvsig.fmap.dal.resource.ResourceAction; |
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import org.gvsig.fmap.dal.resource.exception.ResourceExecuteException; |
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import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.fmap.dal.store.db.DBHelper; |
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import org.gvsig.fmap.dal.store.db.FeatureTypeHelper; |
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import org.gvsig.fmap.dal.store.jdbc.exception.InvalidResultSetIdException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecutePreparedSQLException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
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import org.gvsig.tools.exception.BaseException; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* @author jmvivo
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*
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*/
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public class JDBCStoreProvider extends AbstractFeatureStoreProvider |
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implements JDBCHelperUser {
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final static private Logger logger = LoggerFactory |
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.getLogger(JDBCStoreProvider.class); |
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private List<ResultSetInfo> resulsetList; |
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public static String NAME = "JDBC"; |
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public static String DESCRIPTION = "JDBC generic store"; |
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public static final String METADATA_DEFINITION_NAME = NAME; |
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private long mlsecondsToZombie = 1000 * 60 * 10; // 10 Min |
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protected JDBCHelper helper;
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protected boolean directSQLMode; |
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private Long totalCount = null; |
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private GeometryManager geomManager = null; |
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public JDBCStoreProvider(JDBCStoreParameters params,
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DataStoreProviderServices storeServices) throws InitializeException {
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this(
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params, |
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storeServices, |
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DBHelper.newMetadataContainer(METADATA_DEFINITION_NAME) |
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); |
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} |
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protected JDBCStoreProvider(JDBCStoreParameters params,
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DataStoreProviderServices storeServices, DynObject metadata) |
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throws InitializeException {
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super(params, storeServices, metadata);
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geomManager = GeometryLocator.getGeometryManager(); |
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resulsetList = new ArrayList<ResultSetInfo>(10); |
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helper = createHelper(); |
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if (params.getSQL() != null && (params.getSQL()).trim().length() > 0) { |
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directSQLMode = true;
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} |
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this.initFeatureType();
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} |
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public Object getDynValue(String name) throws DynFieldNotFoundException { |
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try {
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if( DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name) ) {
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Envelope env = this.getEnvelope();
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if( env != null ) { |
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return env;
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} |
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} else if( DataStore.METADATA_CRS.equalsIgnoreCase(name) ) { |
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IProjection proj; |
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proj = this.getFeatureStore().getDefaultFeatureType().getDefaultSRS();
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if( proj != null ) { |
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return proj;
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} |
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} |
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} catch (DataException e) {
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throw new RuntimeException(e); |
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} |
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return super.getDynValue(name); |
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} |
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protected JDBCStoreParameters getJDBCParameters() {
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return (JDBCStoreParameters) this.getParameters(); |
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} |
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/**
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* Load data form a resulset.<br>
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*
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* <strong>Note:</strong><br>
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* this method have to perform <code>resouceBegin</code> at the begining and
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* <code>resourceEnd</code> at the end of execution.
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*
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*
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* @param data
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* @param resulsetID
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*
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* @return
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* @throws DataException
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*/
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public void loadFeatureProvider(final FeatureProvider data, final int resultsetID) |
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throws DataException {
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getResource().execute(new ResourceAction() {
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public Object run() throws Exception { |
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ResultSet rs = getResultSet(resultsetID);
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FeatureAttributeDescriptor attr; |
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Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(data.getType());
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while (iter.hasNext()) {
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attr = iter.next(); |
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loadFeatureProviderValue(data, rs, attr); |
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} |
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return null; |
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} |
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public String toString() { |
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return "loadFeature"; |
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} |
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}); |
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} |
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protected void loadFeatureProviderValue(FeatureProvider data, ResultSet rs, |
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FeatureAttributeDescriptor attr) throws DataException {
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if (attr.getType() == DataTypes.GEOMETRY) {
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byte[] buffer; |
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try {
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buffer = rs.getBytes(attr.getIndex() + 1);
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if (buffer == null) { |
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data.set(attr.getIndex(), null);
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} else {
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data.set(attr.getIndex(), this.helper.getGeometry(buffer));
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} |
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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} catch (BaseException e) {
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throw new ReadException(getProviderName(), e); |
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} |
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} else {
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try {
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data.set(attr.getIndex(), rs.getObject(attr.getIndex() + 1));
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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} |
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} |
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} |
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public long getTimeToResulSetZombie() { |
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return mlsecondsToZombie;
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} |
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public void setTimeToResulSetZombie(long mlSeconds) { |
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mlsecondsToZombie = mlSeconds; |
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} |
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private class ResultSetInfo{ |
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private ResultSet resultSet = null; |
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private long lastUse = 0; |
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public ResultSetInfo(ResultSet resulSet) { |
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this.resultSet = resulSet;
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used(); |
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} |
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private void used() { |
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lastUse = System.currentTimeMillis();
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} |
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public ResultSet get() { |
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used(); |
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return resultSet;
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} |
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public boolean isZombie() { |
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return System.currentTimeMillis() - lastUse > mlsecondsToZombie; |
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} |
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} |
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public final int createResultSet(String sql, int fetchSize) |
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throws DataException {
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return createResultSet(sql, null, fetchSize); |
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} |
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public final int createResultSet(final String sql, final Object[] values, |
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final int fetchSize) |
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throws DataException {
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synchronized (this) { |
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checksResulsets(); |
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return ((Integer) getResource().execute(new ResourceAction() { |
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public Object run() throws Exception { |
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ResultSetInfo newRs = |
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new ResultSetInfo(createNewResultSet(sql, values,
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fetchSize)); |
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int newId = getNewId();
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if (newId < 0) { |
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newId = resulsetList.size(); |
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resulsetList.add(newRs); |
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} else {
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resulsetList.set(newId, newRs); |
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} |
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logger.debug("Created resultset id: {} (total open: {})",
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newId, getResultsetOpenCount()); |
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return Integer.valueOf(newId); |
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} |
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})).intValue(); |
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} |
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} |
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private int getNewId() { |
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int newId;
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if (resulsetList.size() < 1) { |
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return -1; |
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} |
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for (newId = 0; newId < resulsetList.size(); newId++) { |
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if (resulsetList.get(newId) == null) { |
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return newId;
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} |
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} |
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return -1; |
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} |
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protected final void forceCloseAllResultSet() |
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throws ResourceExecuteException,
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JDBCException { |
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synchronized (this) { |
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// FIXME: Esto no deberia funcionar.
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Iterator iter = resulsetList.iterator();
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Integer rsID = null; |
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while (iter.hasNext()) {
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rsID = (Integer) iter.next();
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if (rsID != null) { |
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try {
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forceCloseResultSet(rsID.intValue()); |
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} catch (InvalidResultSetIdException e) {
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continue;
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} |
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} |
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iter.remove(); |
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} |
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} |
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} |
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protected final void forceCloseResultSet(int rsID) |
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throws ResourceExecuteException, JDBCException,
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InvalidResultSetIdException { |
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logger.warn("Close forced of resultSet ({})", rsID);
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closeResulset(rsID); |
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} |
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protected final ResultSet getResultSet(int resultsetID) |
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throws InvalidResultSetIdException {
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if (resultsetID >= resulsetList.size()) {
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throw new InvalidResultSetIdException(resultsetID); |
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} |
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ResultSetInfo rsInfo = resulsetList.get(resultsetID); |
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if (rsInfo == null) { |
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throw new InvalidResultSetIdException(resultsetID); |
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} |
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return rsInfo.get();
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} |
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private ResultSet dropResultSet(int resultsetID) |
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throws InvalidResultSetIdException {
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if (resultsetID >= resulsetList.size()) {
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throw new InvalidResultSetIdException(resultsetID); |
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} |
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ResultSetInfo rsInfo = (ResultSetInfo) resulsetList.get(resultsetID); |
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if (rsInfo == null) { |
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throw new InvalidResultSetIdException(resultsetID); |
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} |
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if (resultsetID == resulsetList.size() - 1) { |
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resulsetList.remove(resultsetID); |
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} else {
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resulsetList.set(resultsetID, null);
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} |
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return rsInfo.get();
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} |
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public final boolean resulsetNext(final int resultsetID) |
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throws JDBCException,
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InvalidResultSetIdException, ResourceExecuteException { |
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return ((Boolean) getResource().execute(new ResourceAction() { |
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public Object run() throws Exception { |
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boolean bool = getResultSet(resultsetID).next();
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return Boolean.valueOf(bool); |
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} |
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})).booleanValue(); |
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} |
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public final void closeResulset(final int resultsetID) |
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throws JDBCException,
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InvalidResultSetIdException, ResourceExecuteException { |
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synchronized (this) { |
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getResource().execute(new ResourceAction() {
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public Object run() throws Exception { |
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ResultSet rs = dropResultSet(resultsetID);
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closeResulset(rs); |
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return null; |
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} |
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}); |
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if (logger.isDebugEnabled()) {
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logger.debug(" id: " + resultsetID + " (total " |
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+ getResultsetOpenCount() + ")");
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} |
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checksResulsets(); |
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} |
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} |
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|
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public final void checksResulsets() throws JDBCException, |
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InvalidResultSetIdException, ResourceExecuteException { |
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synchronized (this) { |
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getResource().execute(new ResourceAction() {
|
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public Object run() throws Exception { |
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ResultSetInfo rsInfo; |
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for (int i = 0; i < resulsetList.size(); i++) { |
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rsInfo = (ResultSetInfo) resulsetList.get(i); |
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if (rsInfo == null) { |
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continue;
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} |
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if (rsInfo.isZombie()) {
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forceCloseResultSet(i); |
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} |
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} |
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return null; |
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} |
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}); |
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} |
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} |
402 |
|
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protected void closeResulset(final ResultSet rs) throws JDBCException, |
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ResourceExecuteException { |
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getResource().execute(new ResourceAction() {
|
406 |
public Object run() throws Exception { |
407 |
Statement st = rs.getStatement();
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408 |
Connection con = st.getConnection();
|
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try {
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rs.close(); |
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} finally {
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// TODO revisar esto
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try{ st.close(); } catch (Exception ex){ }; |
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try{ con.close(); } catch (Exception ex){ }; |
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} |
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return null; |
417 |
} |
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}); |
419 |
} |
420 |
|
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private int getResultsetOpenCount() { |
422 |
int count = 0; |
423 |
Iterator<ResultSetInfo> iter = resulsetList.iterator();
|
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while (iter.hasNext()) {
|
425 |
if (iter.next() != null) { |
426 |
count++; |
427 |
} |
428 |
} |
429 |
return count;
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} |
431 |
|
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protected final int openResulsetCount() { |
433 |
int count = 0; |
434 |
Iterator<ResultSetInfo> iter = resulsetList.iterator();
|
435 |
while (iter.hasNext()) {
|
436 |
if (iter.next() != null) { |
437 |
count++; |
438 |
} |
439 |
} |
440 |
return count;
|
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} |
442 |
|
443 |
public boolean closeResourceRequested(ResourceProvider resource) { |
444 |
try {
|
445 |
checksResulsets(); |
446 |
return openResulsetCount() == 0 && closeResource(resource); |
447 |
} catch (DataException e) {
|
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logger.error("Exception throws", e);
|
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return false; |
450 |
} |
451 |
} |
452 |
|
453 |
|
454 |
protected String fixFilter(String filter) { |
455 |
if (filter == null) { |
456 |
return null; |
457 |
} |
458 |
|
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return filter;
|
460 |
} |
461 |
|
462 |
protected JDBCHelper createHelper() throws InitializeException { |
463 |
return new JDBCHelper(this, getJDBCParameters()); |
464 |
} |
465 |
|
466 |
protected JDBCHelper getHelper() {
|
467 |
return helper;
|
468 |
} |
469 |
|
470 |
protected void resetCount() { |
471 |
totalCount = null;
|
472 |
} |
473 |
|
474 |
/**
|
475 |
* Get feature count for a <code>filter</code>.<br>
|
476 |
*
|
477 |
* <code>filter</code> can be <code>null</code>.<br>
|
478 |
*
|
479 |
* <strong>Note:</strong><br>
|
480 |
* this method have to perform <code>resouceBegin</code> at the begining and
|
481 |
* <code>resourceEnd</code> at the end of execution.
|
482 |
*
|
483 |
*
|
484 |
* @param filter
|
485 |
* @return
|
486 |
* @throws DataException
|
487 |
*/
|
488 |
protected long getCount(String filter) |
489 |
throws DataException {
|
490 |
this.open();
|
491 |
if (filter == null && totalCount != null) { |
492 |
return totalCount.longValue();
|
493 |
} |
494 |
final String sql = compoundCountSelect(filter); |
495 |
|
496 |
long count = ((Long) getResource().execute(new ResourceAction() { |
497 |
public Object run() throws Exception { |
498 |
long count = 0; |
499 |
ResultSet rs = createNewResultSet(sql, null, 1); |
500 |
try {
|
501 |
if (rs.next()) {
|
502 |
count = rs.getLong(1);
|
503 |
} |
504 |
} catch (SQLException e) { |
505 |
throw new JDBCSQLException(e); |
506 |
} finally {
|
507 |
closeResulset(rs); |
508 |
} |
509 |
return Long.valueOf(count); |
510 |
} |
511 |
})).longValue(); |
512 |
|
513 |
if (filter == null) { |
514 |
totalCount = new Long(count); |
515 |
} |
516 |
return count;
|
517 |
} |
518 |
|
519 |
public void close() throws CloseException { |
520 |
helper.close(); |
521 |
} |
522 |
|
523 |
public void open() throws OpenException { |
524 |
helper.open(); |
525 |
} |
526 |
|
527 |
@Override
|
528 |
protected FeatureProvider internalGetFeatureProviderByReference(
|
529 |
FeatureReferenceProviderServices reference) throws DataException {
|
530 |
return internalGetFeatureProviderByReference(reference,
|
531 |
getFeatureStore() |
532 |
.getDefaultFeatureType()); |
533 |
} |
534 |
|
535 |
/**
|
536 |
* Return "is null" expression for current provider<br/>
|
537 |
*/
|
538 |
protected String getIsNullExpression() { |
539 |
return "is null"; |
540 |
} |
541 |
|
542 |
@Override
|
543 |
protected FeatureProvider internalGetFeatureProviderByReference(
|
544 |
FeatureReferenceProviderServices reference, |
545 |
FeatureType featureType) |
546 |
throws DataException {
|
547 |
StringBuilder filter = new StringBuilder(); |
548 |
FeatureAttributeDescriptor[] pk =
|
549 |
getFeatureStore().getFeatureType(featureType.getId()) |
550 |
.getPrimaryKey(); |
551 |
|
552 |
List<Object> values = new ArrayList<Object>(); |
553 |
|
554 |
int i;
|
555 |
Object value;
|
556 |
for (i = 0; i < pk.length; i++) { |
557 |
value = reference.getKeyValue(pk[i].getName()); |
558 |
filter.append(helper.getSqlFieldName(pk[i])); |
559 |
if (value == null) { |
560 |
filter.append(" ");
|
561 |
filter.append(getIsNullExpression()); |
562 |
filter.append("");
|
563 |
} else {
|
564 |
values.add(helper.dalValueToJDBC(pk[i], value)); |
565 |
filter.append(" = ? ");
|
566 |
} |
567 |
if (i < pk.length -1) { |
568 |
filter.append(" AND ");
|
569 |
} |
570 |
} |
571 |
String sql = compoundSelect(featureType, filter.toString(), null, 1, 0); |
572 |
|
573 |
FeatureProvider data; |
574 |
int rsId = createResultSet(sql, values.toArray(), 1); |
575 |
try {
|
576 |
if (!resulsetNext(rsId)) {
|
577 |
throw new RuntimeException("Reference Not found"); |
578 |
} |
579 |
data = createFeatureProvider(featureType); |
580 |
loadFeatureProvider(data, rsId); |
581 |
} finally {
|
582 |
closeResulset(rsId); |
583 |
} |
584 |
|
585 |
return data;
|
586 |
} |
587 |
|
588 |
public int getOIDType() { |
589 |
return DataTypes.UNKNOWN;
|
590 |
} |
591 |
|
592 |
protected void initFeatureType() throws InitializeException { |
593 |
|
594 |
EditableFeatureType edFType = null;
|
595 |
try {
|
596 |
edFType = this.getStoreServices().createFeatureType(getName());
|
597 |
|
598 |
helper.loadFeatureType(edFType, getJDBCParameters()); |
599 |
|
600 |
} catch (DataException e) {
|
601 |
throw new InitializeException(this.getProviderName(), e); |
602 |
} |
603 |
|
604 |
FeatureType defaultType = edFType.getNotEditableCopy(); |
605 |
List<FeatureType> types = Collections.singletonList(defaultType); |
606 |
this.getStoreServices().setFeatureTypes(types, defaultType);
|
607 |
} |
608 |
|
609 |
protected ResultSet createNewResultSet(final String sql, |
610 |
final Object[] values, final int fetchSize) |
611 |
throws DataException {
|
612 |
this.open();
|
613 |
return (ResultSet) getResource().execute(new ResourceAction() { |
614 |
public Object run() throws Exception { |
615 |
Connection conn = null; |
616 |
PreparedStatement st = null; |
617 |
ResultSet rs = null; |
618 |
try {
|
619 |
|
620 |
conn = helper.getConnection(); |
621 |
conn.setAutoCommit(false);
|
622 |
st = conn.prepareStatement(sql); |
623 |
|
624 |
if (values != null) { |
625 |
Object value;
|
626 |
for (int i = 0; i < values.length; i++) { |
627 |
value = values[i]; |
628 |
if (value instanceof Geometry) { |
629 |
byte[] bytes; |
630 |
try {
|
631 |
bytes = ((Geometry) value).convertToWKB(); |
632 |
} catch (BaseException e) {
|
633 |
throw new InvalidParameterException(); |
634 |
} |
635 |
st.setBytes(i + 1, bytes);
|
636 |
} |
637 |
st.setObject(i + 1, value);
|
638 |
} |
639 |
} |
640 |
|
641 |
if (fetchSize > 0) { |
642 |
st.setFetchSize(fetchSize); |
643 |
} |
644 |
rs = JDBCHelper.executeQuery(st, sql); |
645 |
if (fetchSize > 0) { |
646 |
rs.setFetchSize(fetchSize); |
647 |
} |
648 |
return rs;
|
649 |
} catch (SQLException e) { |
650 |
try {
|
651 |
rs.close(); |
652 |
} catch (Exception e1) { |
653 |
} |
654 |
try {
|
655 |
st.close(); |
656 |
} catch (Exception e1) { |
657 |
} |
658 |
try {
|
659 |
conn.close(); |
660 |
} catch (Exception e1) { |
661 |
} |
662 |
throw new JDBCExecutePreparedSQLException(sql,values,e); |
663 |
} |
664 |
} |
665 |
}); |
666 |
} |
667 |
|
668 |
protected boolean closeResource(ResourceProvider resource) { |
669 |
try {
|
670 |
this.helper.close();
|
671 |
} catch (CloseException e) {
|
672 |
logger.error("Exception in close Request", e);
|
673 |
} |
674 |
return !this.helper.isOpen(); |
675 |
} |
676 |
|
677 |
protected String compoundCountSelect(String filter) { |
678 |
|
679 |
// Select
|
680 |
StringBuilder sql = new StringBuilder(); |
681 |
sql.append("Select count(");
|
682 |
String[] pkFields = getJDBCParameters().getPkFields(); |
683 |
if (pkFields != null && pkFields.length == 1) { |
684 |
sql.append(helper.escapeFieldName(pkFields[0]));
|
685 |
} else {
|
686 |
sql.append('*');
|
687 |
|
688 |
} |
689 |
sql.append(") ");
|
690 |
|
691 |
sql.append("from ");
|
692 |
if (this.directSQLMode) { |
693 |
sql.append("(");
|
694 |
sql.append(getJDBCParameters().getSQL()); |
695 |
sql.append(") as _subquery_alias_ ");
|
696 |
} else {
|
697 |
sql.append(getJDBCParameters().tableID()); |
698 |
} |
699 |
sql.append(' ');
|
700 |
|
701 |
appendWhere(sql, filter); |
702 |
|
703 |
return sql.toString();
|
704 |
} |
705 |
|
706 |
protected void appendWhere(StringBuilder sql, String filter) { |
707 |
filter = fixFilter(filter); |
708 |
String initialFilter = getJDBCParameters().getBaseFilter();
|
709 |
if ((initialFilter != null && initialFilter.length() != 0) |
710 |
|| (filter != null && filter.length() != 0)) { |
711 |
sql.append("where (");
|
712 |
|
713 |
if (initialFilter != null && initialFilter.length() != 0 |
714 |
&& filter != null && filter.length() != 0) { |
715 |
// initialFilter + filter
|
716 |
sql.append('(');
|
717 |
sql.append(initialFilter); |
718 |
sql.append(") and (");
|
719 |
sql.append(filter); |
720 |
sql.append(')');
|
721 |
} else if (initialFilter != null && initialFilter.length() != 0) { |
722 |
// initialFilter only
|
723 |
sql.append(initialFilter); |
724 |
} else {
|
725 |
// filter only
|
726 |
sql.append(filter); |
727 |
} |
728 |
sql.append(") ");
|
729 |
} |
730 |
} |
731 |
|
732 |
public void closeDone() throws DataException { |
733 |
// Do nothing
|
734 |
} |
735 |
|
736 |
public void opendDone() throws DataException { |
737 |
// Nothing to do
|
738 |
} |
739 |
|
740 |
public Envelope getEnvelope() throws DataException { |
741 |
this.open();
|
742 |
String defaultGeometryAttributeName;
|
743 |
defaultGeometryAttributeName = this.getFeatureStore()
|
744 |
.getDefaultFeatureType() |
745 |
.getDefaultGeometryAttributeName(); |
746 |
if( defaultGeometryAttributeName != null ) { |
747 |
return this.helper.getFullEnvelopeOfField( |
748 |
this.getJDBCParameters(),
|
749 |
defaultGeometryAttributeName, |
750 |
this.getJDBCParameters().getWorkingArea()
|
751 |
); |
752 |
} |
753 |
return null; |
754 |
} |
755 |
|
756 |
public void resourceChanged(ResourceProvider resource) { |
757 |
this.getStoreServices().notifyChange(
|
758 |
DataStoreNotification.RESOURCE_CHANGED, |
759 |
resource); |
760 |
} |
761 |
|
762 |
public boolean allowAutomaticValues() { |
763 |
return this.helper.allowAutomaticValues(); |
764 |
} |
765 |
|
766 |
public DataServerExplorer getExplorer() throws ReadException { |
767 |
DataManager manager = DALLocator.getDataManager(); |
768 |
JDBCServerExplorerParameters exParams; |
769 |
JDBCStoreParameters params = getJDBCParameters(); |
770 |
try {
|
771 |
exParams = (JDBCServerExplorerParameters) manager |
772 |
.createServerExplorerParameters(JDBCServerExplorerBase.NAME); |
773 |
exParams.setHost(params.getHost()); |
774 |
exParams.setPort(params.getPort()); |
775 |
exParams.setDBName(params.getDBName()); |
776 |
exParams.setUser(params.getUser()); |
777 |
exParams.setPassword(params.getPassword()); |
778 |
exParams.setUrl(params.getUrl()); |
779 |
exParams.setCatalog(params.getCatalog()); |
780 |
exParams.setSchema(params.getSchema()); |
781 |
exParams.setJDBCDriverClassName(params.getJDBCDriverClassName()); |
782 |
|
783 |
return manager.openServerExplorer(JDBCServerExplorerBase.NAME,exParams);
|
784 |
} catch (DataException e) {
|
785 |
throw new ReadException(this.getProviderName(), e); |
786 |
} catch (ValidateDataParametersException e) {
|
787 |
throw new ReadException(this.getProviderName(), e); |
788 |
} |
789 |
} |
790 |
|
791 |
@Override
|
792 |
protected void doDispose() throws BaseException { |
793 |
this.close();
|
794 |
resulsetList = null;
|
795 |
this.helper.dispose();
|
796 |
super.doDispose();
|
797 |
} |
798 |
|
799 |
public Object createNewOID() { |
800 |
return null; |
801 |
} |
802 |
|
803 |
public String compoundSelect(FeatureType type, String filter, String order, |
804 |
long limit, long offset) throws DataException { |
805 |
StringBuilder sql = new StringBuilder(); |
806 |
JDBCStoreParameters params = getJDBCParameters(); |
807 |
FeatureAttributeDescriptor[] fields = type
|
808 |
.getAttributeDescriptors(); |
809 |
|
810 |
// Select
|
811 |
sql.append("Select ");
|
812 |
for (int i = 0; i < fields.length - 1; i++) { |
813 |
sql.append(helper.getSqlFieldName(fields[i])); |
814 |
sql.append(", ");
|
815 |
} |
816 |
sql.append(helper.getSqlFieldName(fields[fields.length - 1]));
|
817 |
sql.append(' ');
|
818 |
|
819 |
FeatureAttributeDescriptor[] pkFields = getStoreServices()
|
820 |
.getProviderFeatureType(type.getId()).getPrimaryKey(); |
821 |
|
822 |
if (pkFields != null && pkFields.length > 0) { |
823 |
// checks for pk fields are in select
|
824 |
boolean toAdd;
|
825 |
for (int i = 0; i < pkFields.length; i++) { |
826 |
toAdd = true;
|
827 |
for (int j = 0; j < fields.length; j++) { |
828 |
if (pkFields[i].getName().equals(fields[j].getName())) {
|
829 |
toAdd = false;
|
830 |
break;
|
831 |
} |
832 |
} |
833 |
if (toAdd) {
|
834 |
sql.append(", ");
|
835 |
sql.append(helper.getSqlFieldName(pkFields[i])); |
836 |
} |
837 |
} |
838 |
sql.append(' ');
|
839 |
} |
840 |
|
841 |
// table
|
842 |
sql.append("from ");
|
843 |
if (directSQLMode) {
|
844 |
sql.append(" (");
|
845 |
sql.append(params.getSQL()); |
846 |
sql.append(") as _subquery_alias_ ");
|
847 |
} else {
|
848 |
sql.append(params.tableID()); |
849 |
} |
850 |
sql.append(' ');
|
851 |
|
852 |
// Where
|
853 |
appendWhere(sql, filter); |
854 |
|
855 |
// Order
|
856 |
if ((params.getBaseOrder() != null && params.getBaseOrder() |
857 |
.length() != 0)
|
858 |
|| (order != null && order.length() != 0)) { |
859 |
sql.append("order by ");
|
860 |
|
861 |
if (order != null && order.length() != 0) { |
862 |
// order
|
863 |
sql.append(order); |
864 |
} else {
|
865 |
// initial order
|
866 |
sql.append(params.getBaseOrder()); |
867 |
} |
868 |
sql.append(' ');
|
869 |
} |
870 |
// limit offset
|
871 |
if (limit > 0 || offset > 0) { |
872 |
sql.append(helper.compoundLimitAndOffset(limit,offset)); |
873 |
} |
874 |
return sql.toString();
|
875 |
} |
876 |
|
877 |
public long getFeatureCount() throws DataException { |
878 |
return getCount(null); |
879 |
} |
880 |
|
881 |
public String getProviderName() { |
882 |
return NAME;
|
883 |
} |
884 |
|
885 |
public boolean hasGeometrySupport() { |
886 |
return false; |
887 |
} |
888 |
|
889 |
public FeatureSetProvider createSet(FeatureQuery query,
|
890 |
FeatureType featureType) throws DataException {
|
891 |
|
892 |
return new JDBCSetProvider(this, query, featureType); |
893 |
} |
894 |
|
895 |
public Object getSourceId() { |
896 |
return this.getJDBCParameters().getSourceId(); |
897 |
} |
898 |
|
899 |
public String getName() { |
900 |
return this.getJDBCParameters().tableID(); |
901 |
} |
902 |
|
903 |
public String getFullName() { |
904 |
return this.getJDBCParameters().getHost()+":"+this.getJDBCParameters().getDBName()+":"+this.getJDBCParameters().tableID(); |
905 |
} |
906 |
|
907 |
|
908 |
public ResourceProvider getResource() {
|
909 |
return getHelper().getResource();
|
910 |
} |
911 |
|
912 |
protected boolean isDirectSQLMode(){ |
913 |
return directSQLMode;
|
914 |
} |
915 |
} |