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 @ 40559
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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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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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 2
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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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*/
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/*
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* AUTHORS (In addition to CIT):
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* 2009 IVER T.I {{Task}}
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*/
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/**
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*
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*/
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package org.gvsig.fmap.dal.store.jdbc; |
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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.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.List; |
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import org.cresques.cts.IProjection; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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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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/**
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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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conn.close(); |
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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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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), |
405 |
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)); |
410 |
|
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break;
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} |
413 |
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return column;
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|
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} |
417 |
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protected EditableFeatureAttributeDescriptor getAttributeFromJDBC(
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419 |
EditableFeatureType fType, Connection conn,
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ResultSetMetaData rsMetadata, int colIndex) throws JDBCException { |
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EditableFeatureAttributeDescriptor column; |
422 |
try {
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|
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column = createAttributeFromJDBC(fType, conn, rsMetadata, colIndex); |
425 |
// 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)); |
430 |
column.setIsReadOnly(rsMetadata.isReadOnly(colIndex)); |
431 |
// column.setWritable(rsMetadata.isWritable(colIndex));
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432 |
// column.setClassName(rsMetadata.getColumnClassName(colIndex));
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433 |
// column.setCatalogName(rsMetadata.getCatalogName(colIndex));
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434 |
// column.setDefinitelyWritable(rsMetadata
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435 |
// .isDefinitelyWritable(colIndex));
|
436 |
// column.setLabel(rsMetadata.getColumnLabel(colIndex));
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437 |
// column.setSchemaName(rsMetadata.getSchemaName(colIndex));
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438 |
// column.setTableName(rsMetadata.getTableName(colIndex));
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439 |
// column.setCatalogName(rsMetadata.getCatalogName(colIndex));
|
440 |
// 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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444 |
column.setPrecision(rsMetadata.getPrecision(colIndex)); |
445 |
column.setSize(rsMetadata.getColumnDisplaySize(colIndex)); |
446 |
|
447 |
} catch (java.sql.SQLException e) {
|
448 |
throw new JDBCSQLException(e); |
449 |
} |
450 |
|
451 |
return column;
|
452 |
|
453 |
} |
454 |
|
455 |
/**
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456 |
* Fill <code>featureType</code> geometry attributes with SRS and ShapeType
|
457 |
* information
|
458 |
*
|
459 |
* <b>Override this if provider has native eometry support</b>
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460 |
*
|
461 |
* @param conn
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462 |
* @param rsMetadata
|
463 |
* @param featureType
|
464 |
* @throws ReadException
|
465 |
*/
|
466 |
protected void loadSRS_and_shapeType(Connection conn, |
467 |
ResultSetMetaData rsMetadata, EditableFeatureType featureType,
|
468 |
String baseSchema, String baseTable) throws JDBCException { |
469 |
|
470 |
// Nothing to do
|
471 |
|
472 |
} |
473 |
|
474 |
public void loadFeatureType(EditableFeatureType featureType, |
475 |
JDBCStoreParameters storeParams) throws DataException {
|
476 |
if (storeParams.getSQL() != null |
477 |
&& storeParams.getSQL().trim().length() > 0) {
|
478 |
loadFeatureType(featureType, storeParams, storeParams.getSQL(), |
479 |
null, null); |
480 |
} else {
|
481 |
String sql = "Select * from " + storeParams.tableID() |
482 |
+ " where false";
|
483 |
loadFeatureType(featureType, storeParams, sql, storeParams |
484 |
.getSchema(), storeParams.getTable()); |
485 |
} |
486 |
} |
487 |
|
488 |
public void loadFeatureType(final EditableFeatureType featureType, |
489 |
final JDBCStoreParameters storeParams, final String sql, |
490 |
final String schema, final String table) throws DataException { |
491 |
this.open();
|
492 |
// this.begin();
|
493 |
getResource().execute(new ResourceAction() {
|
494 |
public Object run() throws Exception { |
495 |
Connection conn = null; |
496 |
try {
|
497 |
conn = getConnection(); |
498 |
|
499 |
String[] pks = storeParams.getPkFields(); |
500 |
if (pks == null || pks.length < 1) { |
501 |
if (storeParams.getTable() != null |
502 |
&& storeParams.getTable().trim().length() > 0) {
|
503 |
pks = getPksFrom(conn, storeParams); |
504 |
|
505 |
} |
506 |
} |
507 |
|
508 |
loadFeatureType(conn, featureType, sql, pks, storeParams |
509 |
.getDefaultGeometryField(), schema, table); |
510 |
if (storeParams.getCRS()!=null){ |
511 |
((EditableFeatureAttributeDescriptor)featureType.getDefaultGeometryAttribute()).setSRS(storeParams.getCRS()); |
512 |
} |
513 |
|
514 |
} finally {
|
515 |
try {
|
516 |
conn.close(); |
517 |
} catch (Exception e) { |
518 |
} |
519 |
// this.end();
|
520 |
} |
521 |
return null; |
522 |
} |
523 |
}); |
524 |
} |
525 |
|
526 |
protected String[] getPksFrom(Connection conn, JDBCStoreParameters params) |
527 |
throws JDBCException {
|
528 |
try{
|
529 |
DatabaseMetaData metadata = conn.getMetaData();
|
530 |
ResultSet rsPrimaryKeys = null; |
531 |
ResultSet rs = null; |
532 |
String catalog = params.getCatalog();
|
533 |
String schema = params.getSchema();
|
534 |
|
535 |
try{
|
536 |
rs = metadata.getTables(catalog, |
537 |
schema, params.getTable(), null);
|
538 |
|
539 |
if (!rs.next()) {
|
540 |
// No tables found with default values, ignoring catalog
|
541 |
rs.close(); |
542 |
catalog = null;
|
543 |
schema = null;
|
544 |
rs = metadata |
545 |
.getTables(catalog, schema, params.getTable(), null);
|
546 |
|
547 |
if (!rs.next()) {
|
548 |
// table not found
|
549 |
return null; |
550 |
} else if (rs.next()){ |
551 |
// More that one, cant identify
|
552 |
return null; |
553 |
} |
554 |
|
555 |
} else if (rs.next()) { |
556 |
// More that one, cant identify
|
557 |
return null; |
558 |
} |
559 |
rsPrimaryKeys = metadata.getPrimaryKeys(catalog, schema, params |
560 |
.getTable()); |
561 |
List pks = new ArrayList(); |
562 |
while (rsPrimaryKeys.next()){
|
563 |
pks.add(rsPrimaryKeys.getString("COLUMN_NAME"));
|
564 |
} |
565 |
return (String[]) pks.toArray(new String[pks.size()]); |
566 |
|
567 |
|
568 |
} finally {
|
569 |
try{if (rs != null) { |
570 |
rs.close(); |
571 |
}} catch (SQLException ex) {logger.warn("Exception closing tables rs", ex);}; |
572 |
try{if (rsPrimaryKeys != null) { |
573 |
rsPrimaryKeys.close(); |
574 |
}} catch (SQLException ex) {logger.warn("Exception closing pk rs", ex);}; |
575 |
} |
576 |
|
577 |
|
578 |
} catch (SQLException e) { |
579 |
logger.warn("Unable to get pk from DatabaseMetada", e);
|
580 |
return getPksFromInformationSchema(conn, params);
|
581 |
} |
582 |
|
583 |
} |
584 |
|
585 |
protected String[] getPksFromInformationSchema(Connection conn, |
586 |
JDBCStoreParameters params) |
587 |
throws JDBCException {
|
588 |
Statement st;
|
589 |
StringBuffer sql = new StringBuffer(); |
590 |
ResultSet rs;
|
591 |
ArrayList list = new ArrayList(); |
592 |
|
593 |
/*
|
594 |
select column_name as primary_key
|
595 |
from information_schema.table_constraints t_cons
|
596 |
inner join information_schema.key_column_usage c on
|
597 |
c.constraint_catalog = t_cons.table_catalog and
|
598 |
c.table_schema = t_cons.table_schema and
|
599 |
c.table_name = t_cons.table_name and
|
600 |
c.constraint_name = t_cons.constraint_name
|
601 |
where t_cons.table_schema = <schema>
|
602 |
and t_cons.constraint_catalog = <catalog>
|
603 |
and t_cons.table_name = <table>
|
604 |
and constraint_type = 'PRIMARY KEY'
|
605 |
*/
|
606 |
/*
|
607 |
* SELECT column_name FROM INFORMATION_SCHEMA.constraint_column_usage
|
608 |
* left join INFORMATION_SCHEMA.table_constraints on
|
609 |
* (INFORMATION_SCHEMA.table_constraints.constraint_name =
|
610 |
* INFORMATION_SCHEMA.constraint_column_usage.constraint_name and
|
611 |
* INFORMATION_SCHEMA.table_constraints.table_name =
|
612 |
* INFORMATION_SCHEMA.constraint_column_usage.table_name and
|
613 |
* INFORMATION_SCHEMA.table_constraints.table_schema =
|
614 |
* INFORMATION_SCHEMA.constraint_column_usage.table_schema) WHERE
|
615 |
* INFORMATION_SCHEMA.constraint_column_usage.table_name like
|
616 |
* 'muni10000_peq' AND
|
617 |
* INFORMATION_SCHEMA.constraint_column_usage.table_schema like 'public'
|
618 |
* AND INFORMATION_SCHEMA.constraint_column_usage.table_catalog like
|
619 |
* 'gis' AND constraint_type='PRIMARY KEY'
|
620 |
*/
|
621 |
|
622 |
sql.append("select column_name as primary_key ");
|
623 |
sql.append("from information_schema.table_constraints t_cons ");
|
624 |
sql.append("inner join information_schema.key_column_usage c on ");
|
625 |
sql.append("c.constraint_catalog = t_cons.constraint_catalog and ");
|
626 |
sql.append("c.table_schema = t_cons.table_schema and ");
|
627 |
sql.append("c.table_name = t_cons.table_name and ");
|
628 |
sql.append("c.constraint_name = t_cons.constraint_name ");
|
629 |
sql.append("WHERE t_cons.table_name like '");
|
630 |
|
631 |
sql.append(params.getTable()); |
632 |
sql.append("' ");
|
633 |
String schema = null; |
634 |
|
635 |
|
636 |
if (params.getSchema() == null || params.getSchema() == "") { |
637 |
schema = getDefaultSchema(conn); |
638 |
} else {
|
639 |
schema = params.getSchema(); |
640 |
} |
641 |
if (schema != null) { |
642 |
sql.append(" and t_cons.table_schema like '");
|
643 |
sql.append(schema); |
644 |
sql.append("' ");
|
645 |
} |
646 |
|
647 |
if (params.getCatalog() != null && params.getCatalog() != "") { |
648 |
sql |
649 |
.append(" and t_cons.constraint_catalog like '");
|
650 |
sql.append(params.getCatalog()); |
651 |
sql.append("' ");
|
652 |
} |
653 |
|
654 |
sql.append("' and constraint_type = 'PRIMARY KEY'");
|
655 |
|
656 |
// System.out.println(sql.toString());
|
657 |
try {
|
658 |
st = conn.createStatement(); |
659 |
try {
|
660 |
rs = st.executeQuery(sql.toString()); |
661 |
} catch (java.sql.SQLException e) {
|
662 |
throw new JDBCExecuteSQLException(sql.toString(), e); |
663 |
} |
664 |
while (rs.next()) {
|
665 |
list.add(rs.getString(1));
|
666 |
} |
667 |
rs.close(); |
668 |
st.close(); |
669 |
|
670 |
} catch (java.sql.SQLException e) {
|
671 |
throw new JDBCSQLException(e); |
672 |
} |
673 |
if (list.size() == 0) { |
674 |
return null; |
675 |
} |
676 |
|
677 |
return (String[]) list.toArray(new String[0]); |
678 |
|
679 |
} |
680 |
|
681 |
protected void loadFeatureType(Connection conn, |
682 |
EditableFeatureType featureType, String sql, String[] pks, |
683 |
String defGeomName, String schema, String table) |
684 |
throws DataException {
|
685 |
|
686 |
Statement stAux = null; |
687 |
ResultSet rs = null; |
688 |
try {
|
689 |
|
690 |
stAux = conn.createStatement(); |
691 |
stAux.setFetchSize(1);
|
692 |
|
693 |
try {
|
694 |
rs = stAux.executeQuery(sql); |
695 |
} catch (SQLException e) { |
696 |
throw new JDBCExecuteSQLException(sql, e); |
697 |
} |
698 |
ResultSetMetaData rsMetadata = rs.getMetaData();
|
699 |
|
700 |
List pksList = null; |
701 |
if (pks != null) { |
702 |
pksList = Arrays.asList(pks);
|
703 |
|
704 |
} |
705 |
|
706 |
int i;
|
707 |
int geometriesColumns = 0; |
708 |
String lastGeometry = null; |
709 |
|
710 |
EditableFeatureAttributeDescriptor attr; |
711 |
boolean firstGeometryAttrFound = false; |
712 |
for (i = 1; i <= rsMetadata.getColumnCount(); i++) { |
713 |
attr = getAttributeFromJDBC(featureType, conn, rsMetadata, i); |
714 |
if (pksList != null && pksList.contains(attr.getName())) { |
715 |
attr.setIsPrimaryKey(true);
|
716 |
} |
717 |
if (attr.getType() == DataTypes.GEOMETRY) {
|
718 |
geometriesColumns++; |
719 |
lastGeometry = attr.getName(); |
720 |
// Set the default geometry attribute if it is the one
|
721 |
// given as parameter or it is the first one, just in case.
|
722 |
if (!firstGeometryAttrFound
|
723 |
|| lastGeometry.equals(defGeomName)) { |
724 |
firstGeometryAttrFound = true;
|
725 |
featureType |
726 |
.setDefaultGeometryAttributeName(lastGeometry); |
727 |
} |
728 |
} |
729 |
|
730 |
} |
731 |
|
732 |
if (geometriesColumns > 0) { |
733 |
loadSRS_and_shapeType(conn, rsMetadata, featureType, schema, |
734 |
table); |
735 |
} |
736 |
|
737 |
if (defGeomName == null && geometriesColumns == 1) { |
738 |
featureType.setDefaultGeometryAttributeName(lastGeometry); |
739 |
defGeomName = lastGeometry; |
740 |
} |
741 |
|
742 |
} catch (java.sql.SQLException e) {
|
743 |
throw new JDBCSQLException(e); // FIXME exception |
744 |
} finally {
|
745 |
try {
|
746 |
rs.close(); |
747 |
} catch (Exception e) { |
748 |
} |
749 |
try {
|
750 |
stAux.close(); |
751 |
} catch (Exception e) { |
752 |
} |
753 |
|
754 |
} |
755 |
|
756 |
} |
757 |
|
758 |
/**
|
759 |
* Override if provider has geometry support
|
760 |
*
|
761 |
* @param storeParams
|
762 |
* @param geometryAttrName
|
763 |
* @param limit
|
764 |
* @return
|
765 |
* @throws DataException
|
766 |
*/
|
767 |
public Envelope getFullEnvelopeOfField(JDBCStoreParameters storeParams,
|
768 |
String geometryAttrName, Envelope limit) throws DataException { |
769 |
|
770 |
// TODO
|
771 |
return null; |
772 |
|
773 |
} |
774 |
|
775 |
public Geometry getGeometry(byte[] buffer) throws BaseException { |
776 |
if (buffer == null) { |
777 |
return null; |
778 |
} |
779 |
return geomManager.createFrom(buffer);
|
780 |
} |
781 |
|
782 |
public String escapeFieldName(String field) { |
783 |
if (field.matches("[a-z][a-z0-9_]*")) { |
784 |
return field;
|
785 |
} |
786 |
String quote = getIdentifierQuoteString();
|
787 |
return quote + field + quote;
|
788 |
} |
789 |
|
790 |
public Object dalValueToJDBC( |
791 |
FeatureAttributeDescriptor attributeDescriptor, Object object)
|
792 |
throws WriteException {
|
793 |
if (object == null) { |
794 |
return null; |
795 |
} |
796 |
|
797 |
if (attributeDescriptor.getType() != DataTypes.GEOMETRY) {
|
798 |
return object;
|
799 |
} |
800 |
try {
|
801 |
byte[] wkb = null; |
802 |
Geometry geom = (Geometry) object; |
803 |
IProjection srs = attributeDescriptor.getSRS(); |
804 |
if (srs != null) { |
805 |
wkb = geom.convertToWKBForcingType(getProviderSRID(srs), attributeDescriptor.getGeomType().getType()); |
806 |
} else {
|
807 |
wkb = geom.convertToWKB(); |
808 |
} |
809 |
return wkb;
|
810 |
} catch (Exception e) { |
811 |
throw new WriteException(this.name, e); |
812 |
} |
813 |
} |
814 |
|
815 |
public String getSqlColumnTypeDescription(FeatureAttributeDescriptor attr) { |
816 |
switch (attr.getType()) {
|
817 |
case DataTypes.STRING:
|
818 |
if (attr.getSize() < 1 || attr.getSize() > 255) { |
819 |
return "text"; |
820 |
} else {
|
821 |
return "varchar(" + attr.getSize() + ")"; |
822 |
} |
823 |
case DataTypes.BOOLEAN:
|
824 |
return "bool"; |
825 |
|
826 |
case DataTypes.BYTE:
|
827 |
return "smallint"; |
828 |
|
829 |
case DataTypes.DATE:
|
830 |
return "date"; |
831 |
|
832 |
case DataTypes.TIMESTAMP:
|
833 |
return "timestamp"; |
834 |
|
835 |
case DataTypes.TIME:
|
836 |
return "time"; |
837 |
|
838 |
case DataTypes.BYTEARRAY:
|
839 |
case DataTypes.GEOMETRY:
|
840 |
return "blob"; |
841 |
|
842 |
case DataTypes.DOUBLE:
|
843 |
// if (attr.getPrecision() > 0) {
|
844 |
// return "double precision(" + attr.getPrecision() + ')';
|
845 |
// } else {
|
846 |
//It works with PostgreSQL and MySQL. Check with others
|
847 |
return "double precision"; |
848 |
// }
|
849 |
case DataTypes.FLOAT:
|
850 |
return "real"; |
851 |
|
852 |
case DataTypes.INT:
|
853 |
if (attr.isAutomatic() && allowAutomaticValues()) {
|
854 |
return "serial"; |
855 |
} else {
|
856 |
return "integer"; |
857 |
} |
858 |
case DataTypes.LONG:
|
859 |
if (attr.isAutomatic()) {
|
860 |
return "bigserial"; |
861 |
} else {
|
862 |
return "bigint"; |
863 |
} |
864 |
|
865 |
default:
|
866 |
String typeName = (String) attr.getAdditionalInfo("SQLTypeName"); |
867 |
if (typeName != null) { |
868 |
return typeName;
|
869 |
} |
870 |
|
871 |
throw new UnsupportedDataTypeException(attr.getDataTypeName(), attr |
872 |
.getType()); |
873 |
} |
874 |
} |
875 |
|
876 |
public int getProviderSRID(String srs) { |
877 |
return -1; |
878 |
} |
879 |
|
880 |
public int getProviderSRID(IProjection srs) { |
881 |
return -1; |
882 |
} |
883 |
|
884 |
public String getSqlFieldName(FeatureAttributeDescriptor attribute) { |
885 |
return escapeFieldName(attribute.getName());
|
886 |
} |
887 |
|
888 |
public String getSqlFieldDescription(FeatureAttributeDescriptor attr) |
889 |
throws DataException {
|
890 |
|
891 |
/**
|
892 |
* column_name data_type [ DEFAULT default_expr ] [ column_constraint [
|
893 |
* ... ] ]
|
894 |
*
|
895 |
* where column_constraint is:
|
896 |
*
|
897 |
* [ CONSTRAINT constraint_name ] { NOT NULL | NULL | UNIQUE | PRIMARY
|
898 |
* KEY | CHECK (expression) | REFERENCES reftable [ ( refcolumn ) ] [
|
899 |
* MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE action ] [ ON
|
900 |
* UPDATE action ] } [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY
|
901 |
* DEFERRED | INITIALLY IMMEDIATE ]
|
902 |
*/
|
903 |
|
904 |
StringBuilder strb = new StringBuilder(); |
905 |
// name
|
906 |
strb.append(escapeFieldName(attr.getName())); |
907 |
strb.append(" ");
|
908 |
|
909 |
// Type
|
910 |
strb.append(this.getSqlColumnTypeDescription(attr));
|
911 |
strb.append(" ");
|
912 |
|
913 |
boolean allowNull = attr.allowNull()
|
914 |
&& !(attr.isPrimaryKey() || attr.isAutomatic()); |
915 |
// Default
|
916 |
if (attr.getDefaultValue() == null) { |
917 |
if (allowNull) {
|
918 |
strb.append("DEFAULT NULL ");
|
919 |
} |
920 |
} else {
|
921 |
String value = getDefaltFieldValueString(attr);
|
922 |
strb.append("DEFAULT '");
|
923 |
strb.append(value); |
924 |
strb.append("' ");
|
925 |
} |
926 |
|
927 |
// Null
|
928 |
if (allowNull) {
|
929 |
strb.append("NULL ");
|
930 |
} else {
|
931 |
strb.append("NOT NULL ");
|
932 |
} |
933 |
|
934 |
// Primery key
|
935 |
if (attr.isPrimaryKey()) {
|
936 |
strb.append("PRIMARY KEY ");
|
937 |
} |
938 |
return strb.toString();
|
939 |
} |
940 |
|
941 |
protected String getDefaltFieldValueString(FeatureAttributeDescriptor attr) |
942 |
throws WriteException {
|
943 |
return dalValueToJDBC(attr, attr.getDefaultValue()).toString();
|
944 |
} |
945 |
|
946 |
public String compoundLimitAndOffset(long limit, long offset) { |
947 |
StringBuilder sql = new StringBuilder(); |
948 |
// limit
|
949 |
if (limit > 0) { |
950 |
sql.append(" limit ");
|
951 |
sql.append(limit); |
952 |
sql.append(' ');
|
953 |
} |
954 |
|
955 |
// offset
|
956 |
if (offset > 0) { |
957 |
sql.append(" offset ");
|
958 |
sql.append(offset); |
959 |
sql.append(' ');
|
960 |
} |
961 |
return sql.toString();
|
962 |
} |
963 |
|
964 |
public boolean supportOffset() { |
965 |
return true; |
966 |
} |
967 |
|
968 |
public List getAdditionalSqlToCreate(NewDataStoreParameters ndsp, |
969 |
FeatureType fType) { |
970 |
// TODO Auto-generated method stub
|
971 |
return null; |
972 |
} |
973 |
|
974 |
|
975 |
public String stringJoin(List listToJoin,String sep){ |
976 |
StringBuilder strb = new StringBuilder(); |
977 |
stringJoin(listToJoin,sep,strb); |
978 |
return strb.toString();
|
979 |
} |
980 |
|
981 |
public void stringJoin(List listToJoin, String sep, StringBuilder strb) { |
982 |
if (listToJoin.size() < 1) { |
983 |
return;
|
984 |
} |
985 |
if (listToJoin.size() > 1) { |
986 |
for (int i = 0; i < listToJoin.size() - 1; i++) { |
987 |
strb.append(listToJoin.get(i)); |
988 |
strb.append(sep); |
989 |
} |
990 |
} |
991 |
strb.append(listToJoin.get(listToJoin.size() - 1));
|
992 |
} |
993 |
|
994 |
/**
|
995 |
* Inform that provider has supports for geometry store and operations
|
996 |
* natively
|
997 |
*
|
998 |
* @return
|
999 |
*/
|
1000 |
protected boolean supportsGeometry() { |
1001 |
return false; |
1002 |
} |
1003 |
|
1004 |
public boolean allowAutomaticValues() { |
1005 |
if (allowAutomaticValues == null) { |
1006 |
ConnectionAction action = new ConnectionAction(){
|
1007 |
|
1008 |
public Object action(Connection conn) throws DataException { |
1009 |
|
1010 |
ResultSet rs;
|
1011 |
try {
|
1012 |
DatabaseMetaData meta = conn.getMetaData();
|
1013 |
rs = meta.getTypeInfo(); |
1014 |
try{
|
1015 |
while (rs.next()) {
|
1016 |
if (rs.getInt("DATA_TYPE") == java.sql.Types.INTEGER) { |
1017 |
if (rs.getBoolean("AUTO_INCREMENT")) { |
1018 |
return Boolean.TRUE; |
1019 |
} else {
|
1020 |
return Boolean.FALSE; |
1021 |
} |
1022 |
} |
1023 |
} |
1024 |
}finally{
|
1025 |
try{ rs.close();} catch (SQLException ex) {logger.error("Exception closing resulset", ex);}; |
1026 |
} |
1027 |
} catch (SQLException e) { |
1028 |
throw new JDBCSQLException(e); |
1029 |
} |
1030 |
return Boolean.FALSE; |
1031 |
} |
1032 |
|
1033 |
}; |
1034 |
|
1035 |
|
1036 |
|
1037 |
try {
|
1038 |
allowAutomaticValues = (Boolean) doConnectionAction(action);
|
1039 |
} catch (Exception e) { |
1040 |
logger.error("Exception checking for automatic integers", e);
|
1041 |
allowAutomaticValues = Boolean.FALSE;
|
1042 |
} |
1043 |
} |
1044 |
return allowAutomaticValues.booleanValue();
|
1045 |
} |
1046 |
|
1047 |
public boolean supportsUnion() { |
1048 |
if (supportsUnions == null) { |
1049 |
ConnectionAction action = new ConnectionAction() {
|
1050 |
|
1051 |
public Object action(Connection conn) throws DataException { |
1052 |
|
1053 |
try {
|
1054 |
DatabaseMetaData meta = conn.getMetaData();
|
1055 |
return new Boolean(meta.supportsUnion()); |
1056 |
} catch (SQLException e) { |
1057 |
throw new JDBCSQLException(e); |
1058 |
} |
1059 |
} |
1060 |
|
1061 |
}; |
1062 |
|
1063 |
try {
|
1064 |
supportsUnions = (Boolean) doConnectionAction(action);
|
1065 |
} catch (Exception e) { |
1066 |
logger.error("Exception checking for unions support", e);
|
1067 |
supportsUnions = Boolean.FALSE;
|
1068 |
} |
1069 |
} |
1070 |
return supportsUnions.booleanValue();
|
1071 |
} |
1072 |
|
1073 |
protected String getIdentifierQuoteString() { |
1074 |
if (identifierQuoteString == null) { |
1075 |
ConnectionAction action = new ConnectionAction() {
|
1076 |
|
1077 |
public Object action(Connection conn) throws DataException { |
1078 |
|
1079 |
try {
|
1080 |
DatabaseMetaData meta = conn.getMetaData();
|
1081 |
return meta.getIdentifierQuoteString();
|
1082 |
} catch (SQLException e) { |
1083 |
throw new JDBCSQLException(e); |
1084 |
} |
1085 |
} |
1086 |
|
1087 |
}; |
1088 |
|
1089 |
try {
|
1090 |
identifierQuoteString = (String) doConnectionAction(action);
|
1091 |
} catch (Exception e) { |
1092 |
logger.error("Exception checking for unions support", e);
|
1093 |
identifierQuoteString = " ";
|
1094 |
} |
1095 |
} |
1096 |
return identifierQuoteString;
|
1097 |
} |
1098 |
|
1099 |
protected boolean isReservedWord(String field) { |
1100 |
// TODO
|
1101 |
return false; |
1102 |
} |
1103 |
|
1104 |
} |