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 / JDBCHelper.java @ 41037
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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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|
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import java.sql.Connection; |
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import java.sql.DatabaseMetaData; |
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import java.sql.ResultSet; |
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import java.sql.ResultSetMetaData; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import java.sql.Time; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Date; |
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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.DataTypes; |
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import org.gvsig.fmap.dal.NewDataStoreParameters; |
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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.WriteException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
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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.FeatureType; |
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import org.gvsig.fmap.dal.feature.exception.UnsupportedDataTypeException; |
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import org.gvsig.fmap.dal.resource.ResourceAction; |
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import org.gvsig.fmap.dal.resource.exception.AccessResourceException; |
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import org.gvsig.fmap.dal.resource.exception.ResourceExecuteException; |
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import org.gvsig.fmap.dal.resource.spi.ResourceConsumer; |
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import org.gvsig.fmap.dal.resource.spi.ResourceManagerProviderServices; |
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import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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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.JDBCExecuteSQLException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCTransactionCommitException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCTransactionRollbackException; |
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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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/*
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import org.gvsig.fmap.geom.operation.fromwkb.FromWKB;
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import org.gvsig.fmap.geom.operation.fromwkb.FromWKBGeometryOperationContext;
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import org.gvsig.fmap.geom.operation.towkb.ToWKB;
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import org.gvsig.fmap.geom.operation.towkb.ToWKBOperationContext;
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*/
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.tools.dispose.impl.AbstractDisposable; |
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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 JDBCHelper extends AbstractDisposable implements ResourceConsumer { |
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private static Logger logger = LoggerFactory.getLogger(JDBCHelper.class); |
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protected JDBCHelperUser user;
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protected boolean isOpen; |
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protected String name; |
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protected String defaultSchema; |
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protected JDBCConnectionParameters params;
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private JDBCResource resource;
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protected GeometryManager geomManager = null; |
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private Boolean allowAutomaticValues = null; |
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private Boolean supportsUnions = null; |
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private String identifierQuoteString; |
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protected JDBCHelper(JDBCHelperUser consumer,
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JDBCConnectionParameters params) throws InitializeException {
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this.geomManager = GeometryLocator.getGeometryManager();
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this.user = consumer;
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this.name = user.getProviderName();
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this.params = params;
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initializeResource(); |
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} |
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protected void initializeResource() throws InitializeException { |
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ResourceManagerProviderServices manager = (ResourceManagerProviderServices) DALLocator |
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.getResourceManager(); |
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JDBCResource resource = (JDBCResource) manager |
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.createAddResource( |
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JDBCResource.NAME, new Object[] { params.getUrl(), |
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params.getHost(), params.getPort(), params.getDBName(), |
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params.getUser(), params.getPassword(), |
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params.getJDBCDriverClassName() }); |
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this.setResource(resource);
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} |
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protected final void setResource(JDBCResource resource) { |
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this.resource = resource;
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this.resource.addConsumer(this); |
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} |
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public boolean closeResourceRequested(ResourceProvider resource) { |
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return user.closeResourceRequested(resource);
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} |
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public void resourceChanged(ResourceProvider resource) { |
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user.resourceChanged(resource); |
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} |
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/**
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* open the resource
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*
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* @return true if the resourse was open in this call
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* @throws OpenException
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*/
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public boolean open() throws OpenException { |
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if (isOpen) {
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return false; |
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} |
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// try {
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// begin();
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// } catch (ResourceExecuteException e1) {
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// throw new OpenException(name, e1);
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// }
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try {
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getResource().execute(new ResourceAction() {
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public Object run() throws Exception { |
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getResource().connect(); |
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getResource().notifyOpen(); |
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user.opendDone(); |
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isOpen = true;
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return null; |
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} |
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}); |
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return true; |
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} catch (ResourceExecuteException e) {
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throw new OpenException(name, e); |
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// } finally {
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// end();
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} |
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} |
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public JDBCResource getResource() {
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return resource;
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} |
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public void close() throws CloseException { |
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if (!isOpen) {
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return;
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} |
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// try {
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// begin();
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// } catch (ResourceExecuteException e) {
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// throw new CloseException(name, e);
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// }
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try {
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getResource().execute(new ResourceAction() {
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public Object run() throws Exception { |
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isOpen = false;
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resource.notifyClose(); |
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user.closeDone(); |
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return null; |
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} |
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}); |
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} catch (ResourceExecuteException e) {
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throw new CloseException(this.name, e); |
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// } finally {
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// end();
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} |
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} |
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// public void end() {
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// resource.end();
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// }
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//
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// public void begin() throws ResourceExecuteException {
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// this.resource.begin();
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// }
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public Connection getConnection() throws AccessResourceException { |
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return resource.getJDBCConnection();
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} |
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@Override
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protected void doDispose() throws BaseException { |
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resource.removeConsumer(this);
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} |
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public boolean isOpen() { |
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return isOpen;
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} |
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/**
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* Executes an atomic action that uses an DB Connection.<br>
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*
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* This methos prepares a connection and close it at the end of execution of
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* action.<br>
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*
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* if <code>action</code> is an instance of {@link TransactionalAction} the
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* action will be execute inside of a DB transaction.
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*
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*
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* @param action
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* @throws Exception
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*/
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public Object doConnectionAction(final ConnectionAction action) |
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throws Exception { |
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this.open();
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// this.begin();
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return getResource().execute(new ResourceAction() { |
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public Object run() throws Exception { |
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Object result = null; |
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Connection conn = null; |
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boolean beginTrans = false; |
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try {
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conn = getConnection(); |
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if (action instanceof TransactionalAction) { |
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// XXX OJO esta condicion NO ES FIABLE
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if (!conn.getAutoCommit()) {
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if (!((TransactionalAction) action)
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.continueTransactionAllowed()) { |
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// FIXME exception
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throw new Exception(); |
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} |
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} |
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try {
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conn.setAutoCommit(false);
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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} |
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beginTrans = true;
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} |
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result = action.action(conn); |
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if (beginTrans) {
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try {
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conn.commit(); |
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} catch (SQLException e) { |
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throw new JDBCTransactionCommitException(e); |
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} |
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} |
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return result;
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} catch (Exception e) { |
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if (beginTrans) {
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try {
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conn.rollback(); |
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} catch (Exception e1) { |
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throw new JDBCTransactionRollbackException(e1, e); |
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} |
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} |
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throw e;
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} finally {
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try {
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if (conn != null) { |
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conn.close(); |
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} |
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} catch (Exception e1) { |
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logger.error("Exception on close connection", e1);
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} |
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// this.end();
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} |
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} |
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}); |
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} |
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protected String getDefaultSchema(Connection conn) throws JDBCException { |
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return defaultSchema;
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} |
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protected EditableFeatureAttributeDescriptor createAttributeFromJDBC(
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EditableFeatureType fType, Connection conn,
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ResultSetMetaData rsMetadata, int colIndex) |
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throws java.sql.SQLException {
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EditableFeatureAttributeDescriptor column; |
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switch (rsMetadata.getColumnType(colIndex)) {
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case java.sql.Types.INTEGER:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.INT); |
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break;
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case java.sql.Types.BIGINT:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.LONG); |
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break;
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case java.sql.Types.REAL:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.DOUBLE); |
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break;
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case java.sql.Types.DOUBLE:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.DOUBLE); |
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break;
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case java.sql.Types.CHAR:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.STRING); |
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break;
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case java.sql.Types.VARCHAR:
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case java.sql.Types.LONGVARCHAR:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.STRING); |
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break;
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case java.sql.Types.FLOAT:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.FLOAT); |
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break;
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case java.sql.Types.NUMERIC:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.FLOAT); |
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break;
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case java.sql.Types.DECIMAL:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.FLOAT); |
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break;
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case java.sql.Types.DATE:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.DATE); |
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break;
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case java.sql.Types.TIME:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.TIME); |
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break;
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case java.sql.Types.TIMESTAMP:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.TIMESTAMP); |
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break;
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case java.sql.Types.BOOLEAN:
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case java.sql.Types.BIT:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.BOOLEAN); |
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break;
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case java.sql.Types.BLOB:
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case java.sql.Types.BINARY:
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case java.sql.Types.LONGVARBINARY:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.BYTEARRAY); |
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break;
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default:
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column = fType.add(rsMetadata.getColumnName(colIndex), |
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DataTypes.OBJECT); |
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column.setAdditionalInfo("SQLType", new Integer(rsMetadata |
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.getColumnType(colIndex))); |
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column.setAdditionalInfo("SQLTypeName", rsMetadata
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.getColumnTypeName(colIndex)); |
384 |
|
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break;
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} |
387 |
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return column;
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|
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} |
391 |
|
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protected EditableFeatureAttributeDescriptor getAttributeFromJDBC(
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EditableFeatureType fType, Connection conn,
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ResultSetMetaData rsMetadata, int colIndex) throws JDBCException { |
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EditableFeatureAttributeDescriptor column; |
396 |
try {
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|
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column = createAttributeFromJDBC(fType, conn, rsMetadata, colIndex); |
399 |
// column.setCaseSensitive(rsMetadata.isCaseSensitive(colIndex));
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// column.setSqlType(rsMetadata.getColumnType(colIndex));
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column.setAllowNull( |
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rsMetadata.isNullable(colIndex) == ResultSetMetaData.columnNullable);
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column.setIsAutomatic(rsMetadata.isAutoIncrement(colIndex)); |
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column.setIsReadOnly(rsMetadata.isReadOnly(colIndex)); |
405 |
// column.setWritable(rsMetadata.isWritable(colIndex));
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// column.setClassName(rsMetadata.getColumnClassName(colIndex));
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// column.setCatalogName(rsMetadata.getCatalogName(colIndex));
|
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// column.setDefinitelyWritable(rsMetadata
|
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// .isDefinitelyWritable(colIndex));
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410 |
// column.setLabel(rsMetadata.getColumnLabel(colIndex));
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// column.setSchemaName(rsMetadata.getSchemaName(colIndex));
|
412 |
// column.setTableName(rsMetadata.getTableName(colIndex));
|
413 |
// column.setCatalogName(rsMetadata.getCatalogName(colIndex));
|
414 |
// column.setSqlTypeName();
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// column.setSearchable(rsMetadata.isSearchable(colIndex));
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// column.setSigned(rsMetadata.isSigned(colIndex));
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// column.setCurrency(rsMetadata.isCurrency(colIndex));
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column.setPrecision(rsMetadata.getPrecision(colIndex)); |
419 |
column.setSize(rsMetadata.getColumnDisplaySize(colIndex)); |
420 |
|
421 |
} catch (java.sql.SQLException e) {
|
422 |
throw new JDBCSQLException(e); |
423 |
} |
424 |
|
425 |
return column;
|
426 |
|
427 |
} |
428 |
|
429 |
/**
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430 |
* Fill <code>featureType</code> geometry attributes with SRS and ShapeType
|
431 |
* information
|
432 |
*
|
433 |
* <b>Override this if provider has native eometry support</b>
|
434 |
*
|
435 |
* @param conn
|
436 |
* @param rsMetadata
|
437 |
* @param featureType
|
438 |
* @throws ReadException
|
439 |
*/
|
440 |
protected void loadSRS_and_shapeType(Connection conn, |
441 |
ResultSetMetaData rsMetadata, EditableFeatureType featureType,
|
442 |
String baseSchema, String baseTable) throws JDBCException { |
443 |
|
444 |
// Nothing to do
|
445 |
|
446 |
} |
447 |
|
448 |
public void loadFeatureType(EditableFeatureType featureType, |
449 |
JDBCStoreParameters storeParams) throws DataException {
|
450 |
if (storeParams.getSQL() != null |
451 |
&& storeParams.getSQL().trim().length() > 0) {
|
452 |
loadFeatureType(featureType, storeParams, storeParams.getSQL(), |
453 |
null, null); |
454 |
} else {
|
455 |
String sql = "Select * from " + storeParams.tableID() |
456 |
+ " where false";
|
457 |
loadFeatureType(featureType, storeParams, sql, storeParams |
458 |
.getSchema(), storeParams.getTable()); |
459 |
} |
460 |
} |
461 |
|
462 |
public void loadFeatureType(final EditableFeatureType featureType, |
463 |
final JDBCStoreParameters storeParams, final String sql, |
464 |
final String schema, final String table) throws DataException { |
465 |
this.open();
|
466 |
// this.begin();
|
467 |
getResource().execute(new ResourceAction() {
|
468 |
public Object run() throws Exception { |
469 |
Connection conn = null; |
470 |
try {
|
471 |
conn = getConnection(); |
472 |
|
473 |
String[] pks = storeParams.getPkFields(); |
474 |
if (pks == null || pks.length < 1) { |
475 |
if (storeParams.getTable() != null |
476 |
&& storeParams.getTable().trim().length() > 0) {
|
477 |
pks = getPksFrom(conn, storeParams); |
478 |
|
479 |
} |
480 |
} |
481 |
|
482 |
loadFeatureType(conn, featureType, sql, pks, storeParams |
483 |
.getDefaultGeometryField(), schema, table); |
484 |
if (storeParams.getCRS()!=null && ((EditableFeatureAttributeDescriptor)featureType.getDefaultGeometryAttribute()) != null){ |
485 |
((EditableFeatureAttributeDescriptor)featureType.getDefaultGeometryAttribute()).setSRS(storeParams.getCRS()); |
486 |
} |
487 |
|
488 |
} finally {
|
489 |
try {
|
490 |
conn.close(); |
491 |
} catch (Exception e) { |
492 |
} |
493 |
// this.end();
|
494 |
} |
495 |
return null; |
496 |
} |
497 |
}); |
498 |
} |
499 |
|
500 |
protected String[] getPksFrom(Connection conn, JDBCStoreParameters params) |
501 |
throws JDBCException {
|
502 |
try{
|
503 |
DatabaseMetaData metadata = conn.getMetaData();
|
504 |
ResultSet rsPrimaryKeys = null; |
505 |
ResultSet rs = null; |
506 |
String catalog = params.getCatalog();
|
507 |
String schema = params.getSchema();
|
508 |
|
509 |
try{
|
510 |
rs = metadata.getTables(catalog, |
511 |
schema, params.getTable(), null);
|
512 |
|
513 |
if (!rs.next()) {
|
514 |
// No tables found with default values, ignoring catalog
|
515 |
rs.close(); |
516 |
catalog = null;
|
517 |
schema = null;
|
518 |
rs = metadata |
519 |
.getTables(catalog, schema, params.getTable(), null);
|
520 |
|
521 |
if (!rs.next()) {
|
522 |
// table not found
|
523 |
return null; |
524 |
} else if (rs.next()){ |
525 |
// More that one, cant identify
|
526 |
return null; |
527 |
} |
528 |
|
529 |
} else if (rs.next()) { |
530 |
// More that one, cant identify
|
531 |
return null; |
532 |
} |
533 |
rsPrimaryKeys = metadata.getPrimaryKeys(catalog, schema, params |
534 |
.getTable()); |
535 |
List pks = new ArrayList(); |
536 |
while (rsPrimaryKeys.next()){
|
537 |
pks.add(rsPrimaryKeys.getString("COLUMN_NAME"));
|
538 |
} |
539 |
return (String[]) pks.toArray(new String[pks.size()]); |
540 |
|
541 |
|
542 |
} finally {
|
543 |
try{if (rs != null) { |
544 |
rs.close(); |
545 |
}} catch (SQLException ex) {logger.warn("Exception closing tables rs", ex);}; |
546 |
try{if (rsPrimaryKeys != null) { |
547 |
rsPrimaryKeys.close(); |
548 |
}} catch (SQLException ex) {logger.warn("Exception closing pk rs", ex);}; |
549 |
} |
550 |
|
551 |
|
552 |
} catch (SQLException e) { |
553 |
logger.warn("Unable to get pk from DatabaseMetada", e);
|
554 |
return getPksFromInformationSchema(conn, params);
|
555 |
} |
556 |
|
557 |
} |
558 |
|
559 |
protected String[] getPksFromInformationSchema(Connection conn, |
560 |
JDBCStoreParameters params) |
561 |
throws JDBCException {
|
562 |
Statement st;
|
563 |
StringBuffer sql = new StringBuffer(); |
564 |
ResultSet rs;
|
565 |
ArrayList list = new ArrayList(); |
566 |
|
567 |
/*
|
568 |
select column_name as primary_key
|
569 |
from information_schema.table_constraints t_cons
|
570 |
inner join information_schema.key_column_usage c on
|
571 |
c.constraint_catalog = t_cons.table_catalog and
|
572 |
c.table_schema = t_cons.table_schema and
|
573 |
c.table_name = t_cons.table_name and
|
574 |
c.constraint_name = t_cons.constraint_name
|
575 |
where t_cons.table_schema = <schema>
|
576 |
and t_cons.constraint_catalog = <catalog>
|
577 |
and t_cons.table_name = <table>
|
578 |
and constraint_type = 'PRIMARY KEY'
|
579 |
*/
|
580 |
/*
|
581 |
* SELECT column_name FROM INFORMATION_SCHEMA.constraint_column_usage
|
582 |
* left join INFORMATION_SCHEMA.table_constraints on
|
583 |
* (INFORMATION_SCHEMA.table_constraints.constraint_name =
|
584 |
* INFORMATION_SCHEMA.constraint_column_usage.constraint_name and
|
585 |
* INFORMATION_SCHEMA.table_constraints.table_name =
|
586 |
* INFORMATION_SCHEMA.constraint_column_usage.table_name and
|
587 |
* INFORMATION_SCHEMA.table_constraints.table_schema =
|
588 |
* INFORMATION_SCHEMA.constraint_column_usage.table_schema) WHERE
|
589 |
* INFORMATION_SCHEMA.constraint_column_usage.table_name like
|
590 |
* 'muni10000_peq' AND
|
591 |
* INFORMATION_SCHEMA.constraint_column_usage.table_schema like 'public'
|
592 |
* AND INFORMATION_SCHEMA.constraint_column_usage.table_catalog like
|
593 |
* 'gis' AND constraint_type='PRIMARY KEY'
|
594 |
*/
|
595 |
|
596 |
sql.append("select column_name as primary_key ");
|
597 |
sql.append("from information_schema.table_constraints t_cons ");
|
598 |
sql.append("inner join information_schema.key_column_usage c on ");
|
599 |
sql.append("c.constraint_catalog = t_cons.constraint_catalog and ");
|
600 |
sql.append("c.table_schema = t_cons.table_schema and ");
|
601 |
sql.append("c.table_name = t_cons.table_name and ");
|
602 |
sql.append("c.constraint_name = t_cons.constraint_name ");
|
603 |
sql.append("WHERE t_cons.table_name like '");
|
604 |
|
605 |
sql.append(params.getTable()); |
606 |
sql.append("' ");
|
607 |
String schema = null; |
608 |
|
609 |
|
610 |
if (params.getSchema() == null || params.getSchema() == "") { |
611 |
schema = getDefaultSchema(conn); |
612 |
} else {
|
613 |
schema = params.getSchema(); |
614 |
} |
615 |
if (schema != null) { |
616 |
sql.append(" and t_cons.table_schema like '");
|
617 |
sql.append(schema); |
618 |
sql.append("' ");
|
619 |
} |
620 |
|
621 |
if (params.getCatalog() != null && params.getCatalog() != "") { |
622 |
sql |
623 |
.append(" and t_cons.constraint_catalog like '");
|
624 |
sql.append(params.getCatalog()); |
625 |
sql.append("' ");
|
626 |
} |
627 |
|
628 |
sql.append("' and constraint_type = 'PRIMARY KEY'");
|
629 |
|
630 |
// System.out.println(sql.toString());
|
631 |
try {
|
632 |
st = conn.createStatement(); |
633 |
try {
|
634 |
rs = st.executeQuery(sql.toString()); |
635 |
} catch (java.sql.SQLException e) {
|
636 |
throw new JDBCExecuteSQLException(sql.toString(), e); |
637 |
} |
638 |
while (rs.next()) {
|
639 |
list.add(rs.getString(1));
|
640 |
} |
641 |
rs.close(); |
642 |
st.close(); |
643 |
|
644 |
} catch (java.sql.SQLException e) {
|
645 |
throw new JDBCSQLException(e); |
646 |
} |
647 |
if (list.size() == 0) { |
648 |
return null; |
649 |
} |
650 |
|
651 |
return (String[]) list.toArray(new String[0]); |
652 |
|
653 |
} |
654 |
|
655 |
protected void loadFeatureType(Connection conn, |
656 |
EditableFeatureType featureType, String sql, String[] pks, |
657 |
String defGeomName, String schema, String table) |
658 |
throws DataException {
|
659 |
|
660 |
Statement stAux = null; |
661 |
ResultSet rs = null; |
662 |
try {
|
663 |
|
664 |
stAux = conn.createStatement(); |
665 |
stAux.setFetchSize(1);
|
666 |
|
667 |
try {
|
668 |
rs = stAux.executeQuery(sql); |
669 |
} catch (SQLException e) { |
670 |
throw new JDBCExecuteSQLException(sql, e); |
671 |
} |
672 |
ResultSetMetaData rsMetadata = rs.getMetaData();
|
673 |
|
674 |
List pksList = null; |
675 |
if (pks != null) { |
676 |
pksList = Arrays.asList(pks);
|
677 |
|
678 |
} |
679 |
|
680 |
int i;
|
681 |
int geometriesColumns = 0; |
682 |
String lastGeometry = null; |
683 |
|
684 |
EditableFeatureAttributeDescriptor attr; |
685 |
boolean firstGeometryAttrFound = false; |
686 |
for (i = 1; i <= rsMetadata.getColumnCount(); i++) { |
687 |
attr = getAttributeFromJDBC(featureType, conn, rsMetadata, i); |
688 |
if (pksList != null && pksList.contains(attr.getName())) { |
689 |
attr.setIsPrimaryKey(true);
|
690 |
} |
691 |
if (attr.getType() == DataTypes.GEOMETRY) {
|
692 |
geometriesColumns++; |
693 |
lastGeometry = attr.getName(); |
694 |
// Set the default geometry attribute if it is the one
|
695 |
// given as parameter or it is the first one, just in case.
|
696 |
if (!firstGeometryAttrFound
|
697 |
|| lastGeometry.equals(defGeomName)) { |
698 |
firstGeometryAttrFound = true;
|
699 |
featureType |
700 |
.setDefaultGeometryAttributeName(lastGeometry); |
701 |
} |
702 |
} |
703 |
|
704 |
} |
705 |
|
706 |
if (geometriesColumns > 0) { |
707 |
loadSRS_and_shapeType(conn, rsMetadata, featureType, schema, |
708 |
table); |
709 |
} |
710 |
|
711 |
if (defGeomName == null && geometriesColumns == 1) { |
712 |
featureType.setDefaultGeometryAttributeName(lastGeometry); |
713 |
defGeomName = lastGeometry; |
714 |
} |
715 |
|
716 |
} catch (java.sql.SQLException e) {
|
717 |
throw new JDBCSQLException(e); // FIXME exception |
718 |
} finally {
|
719 |
try {
|
720 |
rs.close(); |
721 |
} catch (Exception e) { |
722 |
} |
723 |
try {
|
724 |
stAux.close(); |
725 |
} catch (Exception e) { |
726 |
} |
727 |
|
728 |
} |
729 |
|
730 |
} |
731 |
|
732 |
/**
|
733 |
* Override if provider has geometry support
|
734 |
*
|
735 |
* @param storeParams
|
736 |
* @param geometryAttrName
|
737 |
* @param limit
|
738 |
* @return
|
739 |
* @throws DataException
|
740 |
*/
|
741 |
public Envelope getFullEnvelopeOfField(JDBCStoreParameters storeParams,
|
742 |
String geometryAttrName, Envelope limit) throws DataException { |
743 |
|
744 |
// TODO
|
745 |
return null; |
746 |
|
747 |
} |
748 |
|
749 |
public Geometry getGeometry(byte[] buffer) throws BaseException { |
750 |
if (buffer == null) { |
751 |
return null; |
752 |
} |
753 |
return geomManager.createFrom(buffer);
|
754 |
} |
755 |
|
756 |
public String escapeFieldName(String field) { |
757 |
if (field.matches("[a-z][a-z0-9_]*")) { |
758 |
return field;
|
759 |
} |
760 |
String quote = getIdentifierQuoteString();
|
761 |
return quote + field + quote;
|
762 |
} |
763 |
|
764 |
public class DalValueToJDBCException extends WriteException { |
765 |
|
766 |
/**
|
767 |
*
|
768 |
*/
|
769 |
private static final long serialVersionUID = -3608973505723097889L; |
770 |
private final static String MESSAGE_FORMAT = "Can't convert value of attribute '%(attributeName)' to JDBC type (attribute type '%(attributeType)', value class '%(valueClass)')."; |
771 |
private final static String MESSAGE_KEY = "_Cant_convert_value_of_attribute_XattributeNameX_to_JDBC_type_attribute_type_XattributeTypeX_value_class_XvalueClassX"; |
772 |
|
773 |
public DalValueToJDBCException(FeatureAttributeDescriptor attributeDescriptor, Object object, Throwable cause) { |
774 |
super(MESSAGE_FORMAT, cause, MESSAGE_KEY, serialVersionUID);
|
775 |
if( attributeDescriptor != null ) { |
776 |
setValue("attributeName",attributeDescriptor.getName());
|
777 |
setValue("attributetype",attributeDescriptor.getDataTypeName());
|
778 |
} else {
|
779 |
setValue("attributeName","unknown"); |
780 |
setValue("attributetype","unknown"); |
781 |
} |
782 |
if( object!=null ) { |
783 |
setValue("valueClass", object.getClass().getName());
|
784 |
} else {
|
785 |
setValue("valueClass", "null"); |
786 |
} |
787 |
} |
788 |
|
789 |
} |
790 |
|
791 |
public Object dalValueToJDBC( |
792 |
FeatureAttributeDescriptor attributeDescriptor, Object object)
|
793 |
throws WriteException {
|
794 |
try {
|
795 |
if (object == null) { |
796 |
return null; |
797 |
} |
798 |
|
799 |
if (attributeDescriptor.getType() == DataTypes.TIME) {
|
800 |
return new Time(((Date)object).getTime()); |
801 |
} |
802 |
if (attributeDescriptor.getType() != DataTypes.GEOMETRY) {
|
803 |
return object;
|
804 |
} |
805 |
byte[] wkb = null; |
806 |
Geometry geom = (Geometry) object; |
807 |
IProjection srs = attributeDescriptor.getSRS(); |
808 |
if (srs != null) { |
809 |
wkb = geom.convertToWKBForcingType(getProviderSRID(srs), attributeDescriptor.getGeomType().getType()); |
810 |
} else {
|
811 |
wkb = geom.convertToWKB(); |
812 |
} |
813 |
return wkb;
|
814 |
} catch (Exception e) { |
815 |
throw new DalValueToJDBCException(attributeDescriptor, object,e); |
816 |
} |
817 |
} |
818 |
|
819 |
public String getSqlColumnTypeDescription(FeatureAttributeDescriptor attr) { |
820 |
switch (attr.getType()) {
|
821 |
case DataTypes.STRING:
|
822 |
if (attr.getSize() < 1 || attr.getSize() > 255) { |
823 |
return "text"; |
824 |
} else {
|
825 |
return "varchar(" + attr.getSize() + ")"; |
826 |
} |
827 |
case DataTypes.BOOLEAN:
|
828 |
return "bool"; |
829 |
|
830 |
case DataTypes.BYTE:
|
831 |
return "smallint"; |
832 |
|
833 |
case DataTypes.DATE:
|
834 |
return "date"; |
835 |
|
836 |
case DataTypes.TIMESTAMP:
|
837 |
return "timestamp"; |
838 |
|
839 |
case DataTypes.TIME:
|
840 |
return "time"; |
841 |
|
842 |
case DataTypes.BYTEARRAY:
|
843 |
case DataTypes.GEOMETRY:
|
844 |
return "blob"; |
845 |
|
846 |
case DataTypes.DOUBLE:
|
847 |
// if (attr.getPrecision() > 0) {
|
848 |
// return "double precision(" + attr.getPrecision() + ')';
|
849 |
// } else {
|
850 |
//It works with PostgreSQL and MySQL. Check with others
|
851 |
return "double precision"; |
852 |
// }
|
853 |
case DataTypes.FLOAT:
|
854 |
return "real"; |
855 |
|
856 |
case DataTypes.INT:
|
857 |
if (attr.isAutomatic() && allowAutomaticValues()) {
|
858 |
return "serial"; |
859 |
} else {
|
860 |
return "integer"; |
861 |
} |
862 |
case DataTypes.LONG:
|
863 |
if (attr.isAutomatic()) {
|
864 |
return "bigserial"; |
865 |
} else {
|
866 |
return "bigint"; |
867 |
} |
868 |
|
869 |
default:
|
870 |
String typeName = (String) attr.getAdditionalInfo("SQLTypeName"); |
871 |
if (typeName != null) { |
872 |
return typeName;
|
873 |
} |
874 |
|
875 |
throw new UnsupportedDataTypeException(attr.getDataTypeName(), attr |
876 |
.getType()); |
877 |
} |
878 |
} |
879 |
|
880 |
public int getProviderSRID(String srs) { |
881 |
return -1; |
882 |
} |
883 |
|
884 |
public int getProviderSRID(IProjection srs) { |
885 |
return -1; |
886 |
} |
887 |
|
888 |
public String getSqlFieldName(FeatureAttributeDescriptor attribute) { |
889 |
return escapeFieldName(attribute.getName());
|
890 |
} |
891 |
|
892 |
public String getSqlFieldDescription(FeatureAttributeDescriptor attr) |
893 |
throws DataException {
|
894 |
|
895 |
/**
|
896 |
* column_name data_type [ DEFAULT default_expr ] [ column_constraint [
|
897 |
* ... ] ]
|
898 |
*
|
899 |
* where column_constraint is:
|
900 |
*
|
901 |
* [ CONSTRAINT constraint_name ] { NOT NULL | NULL | UNIQUE | PRIMARY
|
902 |
* KEY | CHECK (expression) | REFERENCES reftable [ ( refcolumn ) ] [
|
903 |
* MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE action ] [ ON
|
904 |
* UPDATE action ] } [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY
|
905 |
* DEFERRED | INITIALLY IMMEDIATE ]
|
906 |
*/
|
907 |
|
908 |
StringBuilder strb = new StringBuilder(); |
909 |
// name
|
910 |
strb.append(escapeFieldName(attr.getName())); |
911 |
strb.append(" ");
|
912 |
|
913 |
// Type
|
914 |
strb.append(this.getSqlColumnTypeDescription(attr));
|
915 |
strb.append(" ");
|
916 |
|
917 |
boolean allowNull = attr.allowNull()
|
918 |
&& !(attr.isPrimaryKey() || attr.isAutomatic()); |
919 |
// Default
|
920 |
if (attr.getDefaultValue() == null) { |
921 |
if (allowNull) {
|
922 |
strb.append("DEFAULT NULL ");
|
923 |
} |
924 |
} else {
|
925 |
String value = getDefaltFieldValueString(attr);
|
926 |
strb.append("DEFAULT '");
|
927 |
strb.append(value); |
928 |
strb.append("' ");
|
929 |
} |
930 |
|
931 |
// Null
|
932 |
if (allowNull) {
|
933 |
strb.append("NULL ");
|
934 |
} else {
|
935 |
strb.append("NOT NULL ");
|
936 |
} |
937 |
|
938 |
// Primery key
|
939 |
if (attr.isPrimaryKey()) {
|
940 |
strb.append("PRIMARY KEY ");
|
941 |
} |
942 |
return strb.toString();
|
943 |
} |
944 |
|
945 |
/**
|
946 |
* @deprecated use getDefaultFieldValueString this has a type writer error.
|
947 |
*/
|
948 |
protected String getDefaltFieldValueString(FeatureAttributeDescriptor attr) |
949 |
throws WriteException {
|
950 |
return getDefaultFieldValueString(attr);
|
951 |
} |
952 |
|
953 |
protected String getDefaultFieldValueString(FeatureAttributeDescriptor attr) |
954 |
throws WriteException {
|
955 |
return dalValueToJDBC(attr, attr.getDefaultValue()).toString();
|
956 |
} |
957 |
|
958 |
public String compoundLimitAndOffset(long limit, long offset) { |
959 |
StringBuilder sql = new StringBuilder(); |
960 |
// limit
|
961 |
if (limit > 0) { |
962 |
sql.append(" limit ");
|
963 |
sql.append(limit); |
964 |
sql.append(' ');
|
965 |
} |
966 |
|
967 |
// offset
|
968 |
if (offset > 0) { |
969 |
sql.append(" offset ");
|
970 |
sql.append(offset); |
971 |
sql.append(' ');
|
972 |
} |
973 |
return sql.toString();
|
974 |
} |
975 |
|
976 |
public boolean supportOffset() { |
977 |
return true; |
978 |
} |
979 |
|
980 |
public List getAdditionalSqlToCreate(NewDataStoreParameters ndsp, |
981 |
FeatureType fType) { |
982 |
// TODO Auto-generated method stub
|
983 |
return null; |
984 |
} |
985 |
|
986 |
|
987 |
public String stringJoin(List listToJoin,String sep){ |
988 |
StringBuilder strb = new StringBuilder(); |
989 |
stringJoin(listToJoin,sep,strb); |
990 |
return strb.toString();
|
991 |
} |
992 |
|
993 |
public void stringJoin(List listToJoin, String sep, StringBuilder strb) { |
994 |
if (listToJoin.size() < 1) { |
995 |
return;
|
996 |
} |
997 |
if (listToJoin.size() > 1) { |
998 |
for (int i = 0; i < listToJoin.size() - 1; i++) { |
999 |
strb.append(listToJoin.get(i)); |
1000 |
strb.append(sep); |
1001 |
} |
1002 |
} |
1003 |
strb.append(listToJoin.get(listToJoin.size() - 1));
|
1004 |
} |
1005 |
|
1006 |
/**
|
1007 |
* Inform that provider has supports for geometry store and operations
|
1008 |
* natively
|
1009 |
*
|
1010 |
* @return
|
1011 |
*/
|
1012 |
protected boolean supportsGeometry() { |
1013 |
return false; |
1014 |
} |
1015 |
|
1016 |
public boolean allowAutomaticValues() { |
1017 |
if (allowAutomaticValues == null) { |
1018 |
ConnectionAction action = new ConnectionAction(){
|
1019 |
|
1020 |
public Object action(Connection conn) throws DataException { |
1021 |
|
1022 |
ResultSet rs;
|
1023 |
try {
|
1024 |
DatabaseMetaData meta = conn.getMetaData();
|
1025 |
rs = meta.getTypeInfo(); |
1026 |
try{
|
1027 |
while (rs.next()) {
|
1028 |
if (rs.getInt("DATA_TYPE") == java.sql.Types.INTEGER) { |
1029 |
if (rs.getBoolean("AUTO_INCREMENT")) { |
1030 |
return Boolean.TRUE; |
1031 |
} else {
|
1032 |
return Boolean.FALSE; |
1033 |
} |
1034 |
} |
1035 |
} |
1036 |
}finally{
|
1037 |
try{ rs.close();} catch (SQLException ex) {logger.error("Exception closing resulset", ex);}; |
1038 |
} |
1039 |
} catch (SQLException e) { |
1040 |
throw new JDBCSQLException(e); |
1041 |
} |
1042 |
return Boolean.FALSE; |
1043 |
} |
1044 |
|
1045 |
}; |
1046 |
|
1047 |
|
1048 |
|
1049 |
try {
|
1050 |
allowAutomaticValues = (Boolean) doConnectionAction(action);
|
1051 |
} catch (Exception e) { |
1052 |
logger.error("Exception checking for automatic integers", e);
|
1053 |
allowAutomaticValues = Boolean.FALSE;
|
1054 |
} |
1055 |
} |
1056 |
return allowAutomaticValues.booleanValue();
|
1057 |
} |
1058 |
|
1059 |
public boolean supportsUnion() { |
1060 |
if (supportsUnions == null) { |
1061 |
ConnectionAction action = new ConnectionAction() {
|
1062 |
|
1063 |
public Object action(Connection conn) throws DataException { |
1064 |
|
1065 |
try {
|
1066 |
DatabaseMetaData meta = conn.getMetaData();
|
1067 |
return new Boolean(meta.supportsUnion()); |
1068 |
} catch (SQLException e) { |
1069 |
throw new JDBCSQLException(e); |
1070 |
} |
1071 |
} |
1072 |
|
1073 |
}; |
1074 |
|
1075 |
try {
|
1076 |
supportsUnions = (Boolean) doConnectionAction(action);
|
1077 |
} catch (Exception e) { |
1078 |
logger.error("Exception checking for unions support", e);
|
1079 |
supportsUnions = Boolean.FALSE;
|
1080 |
} |
1081 |
} |
1082 |
return supportsUnions.booleanValue();
|
1083 |
} |
1084 |
|
1085 |
protected String getIdentifierQuoteString() { |
1086 |
if (identifierQuoteString == null) { |
1087 |
ConnectionAction action = new ConnectionAction() {
|
1088 |
|
1089 |
public Object action(Connection conn) throws DataException { |
1090 |
|
1091 |
try {
|
1092 |
DatabaseMetaData meta = conn.getMetaData();
|
1093 |
return meta.getIdentifierQuoteString();
|
1094 |
} catch (SQLException e) { |
1095 |
throw new JDBCSQLException(e); |
1096 |
} |
1097 |
} |
1098 |
|
1099 |
}; |
1100 |
|
1101 |
try {
|
1102 |
identifierQuoteString = (String) doConnectionAction(action);
|
1103 |
} catch (Exception e) { |
1104 |
logger.error("Exception checking for unions support", e);
|
1105 |
identifierQuoteString = " ";
|
1106 |
} |
1107 |
} |
1108 |
return identifierQuoteString;
|
1109 |
} |
1110 |
|
1111 |
protected boolean isReservedWord(String field) { |
1112 |
// TODO
|
1113 |
return false; |
1114 |
} |
1115 |
|
1116 |
} |