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