svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_daldb / src / org / gvsig / fmap / dal / store / jdbc / JDBCStoreProvider.java @ 29289
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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.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.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.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.FeatureStore; |
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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.feature.spi.FeatureStoreProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureStoreProviderServices; |
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import org.gvsig.fmap.dal.resource.Resource; |
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import org.gvsig.fmap.dal.resource.exception.ResourceBeginException; |
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import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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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.JDBCExecuteSQLException; |
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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.operation.towkb.ToWKB; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dynobject.DelegatedDynObject; |
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import org.gvsig.tools.dynobject.DynClass; |
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import org.gvsig.tools.dynobject.DynObjectManager; |
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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 resulsetList; |
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public static String NAME = "JDBC"; |
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private static final String DYNCLASS_NAME = "JDBCStore"; |
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public static String DESCRIPTION = "JDBC source"; |
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private static DynClass DYNCLASS = null; |
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private long mlsecondsToZombie = 1000 * 60 * 10; // 10 Min |
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protected JDBCStoreParameters params;
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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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public JDBCStoreProvider() {
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super();
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resulsetList = new ArrayList(10); |
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} |
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public JDBCStoreProvider(JDBCStoreParameters params)
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throws InitializeException {
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this();
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this.init(params);
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} |
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protected static void registerDynClass() { |
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DynObjectManager dynman = ToolsLocator.getDynObjectManager(); |
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DynClass dynClass; |
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if (DYNCLASS == null) { |
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dynClass = dynman.add(DYNCLASS_NAME, DESCRIPTION); |
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dynClass.extend(dynman.get(FeatureStore.DYNCLASS_NAME)); |
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DYNCLASS = dynClass; |
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} |
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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 loadFeatureData(FeatureProvider data, int resultsetID) |
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throws DataException {
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this.resourceBegin();
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try {
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ResultSet rs = getResultSet(resultsetID);
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FeatureAttributeDescriptor attr; |
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Iterator iter = data.getType().iterator();
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while (iter.hasNext()) {
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attr = (FeatureAttributeDescriptor) iter.next(); |
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loadFeatureDataValue(data, rs, attr); |
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} |
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} finally {
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this.resourceEnd();
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} |
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} |
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protected void loadFeatureDataValue(FeatureProvider data, ResultSet rs, |
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FeatureAttributeDescriptor attr) throws DataException {
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if (attr.getDataType() == 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(getName(), 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) |
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throws DataException {
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return createResultSet(sql, null); |
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} |
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public final int createResultSet(String sql, Object[] values) |
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throws DataException {
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synchronized (this) { |
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checksResulsets(); |
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resourceBegin(); |
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try {
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ResultSetInfo newRs = new ResultSetInfo(createNewResultSet(sql,
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values)); |
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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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if (logger.isDebugEnabled()) {
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logger.debug(" id: {} (total {})", newId,
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getResultsetOpenCount()); |
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} |
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return newId;
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} finally {
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resourceEnd(); |
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} |
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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 ResourceBeginException,
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JDBCException {
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synchronized (this) { |
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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 ResourceBeginException, 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 = (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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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(int resultsetID) throws JDBCException, |
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InvalidResultSetIdException, ResourceBeginException {
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ResultSet rs = getResultSet(resultsetID);
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resourceBegin(); |
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try {
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return rs.next();
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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} finally {
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resourceEnd(); |
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} |
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} |
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public final void closeResulset(int resultsetID) |
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throws JDBCException,
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InvalidResultSetIdException, ResourceBeginException {
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synchronized (this) { |
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resourceBegin(); |
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try {
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ResultSet rs = dropResultSet(resultsetID);
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closeResulset(rs); |
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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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} finally {
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resourceEnd(); |
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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, ResourceBeginException {
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synchronized (this) { |
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resourceBegin(); |
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try {
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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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} finally {
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resourceEnd(); |
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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 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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protected void closeResulset(ResultSet rs) throws JDBCException, |
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ResourceBeginException {
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resourceBegin(); |
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try {
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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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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} finally {
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resourceEnd(); |
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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 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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public boolean closeResourceRequested(ResourceProvider resource) { |
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try {
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checksResulsets(); |
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return openResulsetCount() == 0 && closeResource(resource); |
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} 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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protected String fixFilter(String filter) { |
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if (filter == null) { |
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return null; |
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} |
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return filter;
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} |
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public void init(JDBCStoreParameters params) throws InitializeException { |
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this.params = params;
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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.metadata = (DelegatedDynObject) ToolsLocator
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.getDynObjectManager().createDynObject(DYNCLASS); |
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this.metadata.setDynValue("DefaultSRS", null); |
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this.metadata.setDynValue("Envelope", null); |
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} |
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protected JDBCHelper createHelper() throws InitializeException { |
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return new JDBCHelper(this, params); |
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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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protected void resetCount() { |
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totalCount = null;
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} |
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/**
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* Get feature count for a <code>filter</code>.<br>
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*
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* <code>filter</code> can be <code>null</code>.<br>
|
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*
|
| 483 |
* <strong>Note:</strong><br>
|
| 484 |
* 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 filter
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* @return
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* @throws DataException
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*/
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protected long getCount(String filter) throws DataException { |
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this.open();
|
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if (filter == null && totalCount != null) { |
| 495 |
return totalCount.longValue();
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} |
| 497 |
long count = 0; |
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String sql = compoundCountSelect(filter);
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resourceBegin(); |
| 500 |
try {
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| 501 |
ResultSet rs = createNewResultSet(sql, null); |
| 502 |
try {
|
| 503 |
if (rs.next()) {
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count = rs.getLong(1);
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} |
| 506 |
} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} finally {
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closeResulset(rs); |
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} |
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} finally {
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resourceEnd(); |
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} |
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if (filter == null) { |
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totalCount = new Long(count); |
| 516 |
} |
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return count;
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} |
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public void close() throws CloseException { |
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helper.close(); |
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} |
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public void open() throws OpenException { |
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helper.open(); |
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} |
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public FeatureProvider getFeatureDataByReference(
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FeatureReferenceProviderServices reference) throws DataException {
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return getFeatureDataByReference(reference, store
|
| 532 |
.getDefaultFeatureType()); |
| 533 |
} |
| 534 |
|
| 535 |
public FeatureProvider getFeatureDataByReference(
|
| 536 |
FeatureReferenceProviderServices reference, FeatureType featureType) |
| 537 |
throws DataException {
|
| 538 |
open(); |
| 539 |
resourceBegin(); |
| 540 |
try {
|
| 541 |
StringBuilder filter = new StringBuilder(); |
| 542 |
FeatureAttributeDescriptor[] pk = store.getFeatureType(
|
| 543 |
featureType.getId()).getPrimaryKey(); |
| 544 |
|
| 545 |
List values = new ArrayList(); |
| 546 |
|
| 547 |
int i;
|
| 548 |
for (i = 0; i < pk.length - 1; i++) { |
| 549 |
values.add(helper.dalValueToJDBC(pk[i], reference |
| 550 |
.getKeyValue(pk[i].getName()))); |
| 551 |
filter.append(helper.getSqlFieldName(pk[i])); |
| 552 |
filter.append(" = ? AND ");
|
| 553 |
} |
| 554 |
values.add(helper.dalValueToJDBC(pk[i], reference.getKeyValue(pk[i] |
| 555 |
.getName()))); |
| 556 |
filter.append(helper.getSqlFieldName(pk[i])); |
| 557 |
filter.append(" = ? ");
|
| 558 |
|
| 559 |
String sql = compoundSelect(featureType, filter.toString(), null, |
| 560 |
1, 0); |
| 561 |
|
| 562 |
FeatureProvider data; |
| 563 |
int rsId = createResultSet(sql, values.toArray());
|
| 564 |
try {
|
| 565 |
if (!resulsetNext(rsId)) {
|
| 566 |
// FIXME Exception
|
| 567 |
throw new RuntimeException("Reference Not found"); |
| 568 |
} |
| 569 |
data = createFeatureData(featureType); |
| 570 |
loadFeatureData(data, rsId); |
| 571 |
} finally {
|
| 572 |
closeResulset(rsId); |
| 573 |
} |
| 574 |
|
| 575 |
return data;
|
| 576 |
|
| 577 |
} finally {
|
| 578 |
resourceEnd(); |
| 579 |
} |
| 580 |
|
| 581 |
} |
| 582 |
|
| 583 |
public int getOIDType() { |
| 584 |
return DataTypes.UNKNOWN;
|
| 585 |
} |
| 586 |
|
| 587 |
protected void initFeatureType() throws InitializeException { |
| 588 |
|
| 589 |
EditableFeatureType edFType = null;
|
| 590 |
try {
|
| 591 |
edFType = this.store.createFeatureType();
|
| 592 |
|
| 593 |
helper.loadFeatureType(edFType, params); |
| 594 |
|
| 595 |
} catch (DataException e) {
|
| 596 |
throw new InitializeException(this.getName(), e); |
| 597 |
} |
| 598 |
|
| 599 |
FeatureType defaultType = edFType.getNotEditableCopy(); |
| 600 |
List types = new ArrayList(1); |
| 601 |
types.add(defaultType); |
| 602 |
this.store.setFeatureTypes(types, defaultType);
|
| 603 |
try {
|
| 604 |
loadMetadata(); |
| 605 |
} catch (DataException e) {
|
| 606 |
throw new InitializeException(e); |
| 607 |
} |
| 608 |
} |
| 609 |
|
| 610 |
protected ResultSet createNewResultSet(String sql, Object[] values) |
| 611 |
throws DataException {
|
| 612 |
this.open();
|
| 613 |
Connection conn = null; |
| 614 |
PreparedStatement st = null; |
| 615 |
ResultSet rs = null; |
| 616 |
this.resourceBegin();
|
| 617 |
try {
|
| 618 |
conn = this.helper.getConnection();
|
| 619 |
st = conn.prepareStatement(sql); |
| 620 |
|
| 621 |
if (values != null) { |
| 622 |
Object value;
|
| 623 |
for (int i = 0; i < values.length; i++) { |
| 624 |
value = values[i]; |
| 625 |
if (value instanceof Geometry) { |
| 626 |
byte[] bytes; |
| 627 |
try {
|
| 628 |
bytes = (byte[]) ((Geometry) value) |
| 629 |
.invokeOperation(ToWKB.CODE, null);
|
| 630 |
} catch (BaseException e) {
|
| 631 |
// FIXME
|
| 632 |
throw new InvalidParameterException(); |
| 633 |
} |
| 634 |
st.setBytes(i + 1, bytes);
|
| 635 |
} |
| 636 |
st.setObject(i + 1, value);
|
| 637 |
} |
| 638 |
|
| 639 |
} |
| 640 |
|
| 641 |
try {
|
| 642 |
rs = st.executeQuery(); |
| 643 |
} catch (SQLException e1) { |
| 644 |
try {st.close();} catch (Exception e2) {}; |
| 645 |
try {conn.close();} catch (Exception e2) {} ; |
| 646 |
throw new JDBCExecuteSQLException(sql, e1); |
| 647 |
} |
| 648 |
rs.setFetchSize(5000); // TODO add to params? |
| 649 |
return rs;
|
| 650 |
} catch (SQLException e) { |
| 651 |
// TODO throw exception ???
|
| 652 |
try {rs.close();} catch (Exception e1) {}; |
| 653 |
try {st.close();} catch (Exception e1) {}; |
| 654 |
try {conn.close();} catch (Exception e1) {}; |
| 655 |
throw new JDBCSQLException(e); |
| 656 |
} finally {
|
| 657 |
this.resourceEnd();
|
| 658 |
} |
| 659 |
} |
| 660 |
|
| 661 |
/**
|
| 662 |
* Permform a {@link Resource#begin()} to the current provider resources.
|
| 663 |
*
|
| 664 |
*/
|
| 665 |
|
| 666 |
protected void resourceBegin() throws ResourceBeginException { |
| 667 |
this.helper.begin();
|
| 668 |
|
| 669 |
} |
| 670 |
|
| 671 |
/**
|
| 672 |
* Permform a {@link Resource#end()} to the current provider resources.
|
| 673 |
*/
|
| 674 |
|
| 675 |
protected void resourceEnd() { |
| 676 |
this.helper.end();
|
| 677 |
} |
| 678 |
|
| 679 |
protected boolean closeResource(ResourceProvider resource) { |
| 680 |
try {
|
| 681 |
this.helper.close();
|
| 682 |
} catch (CloseException e) {
|
| 683 |
logger.error("Exception in close Request", e);
|
| 684 |
} |
| 685 |
return !this.helper.isOpen(); |
| 686 |
} |
| 687 |
|
| 688 |
protected String compoundCountSelect(String filter) { |
| 689 |
if (this.directSQLMode) { |
| 690 |
return null; |
| 691 |
} |
| 692 |
// Select
|
| 693 |
StringBuilder sql = new StringBuilder(); |
| 694 |
sql.append("Select count(");
|
| 695 |
String[] pkFields = params.getPkFields(); |
| 696 |
if (pkFields != null && pkFields.length == 1) { |
| 697 |
sql.append(helper.escapeFieldName(pkFields[0]));
|
| 698 |
} else {
|
| 699 |
sql.append('*');
|
| 700 |
|
| 701 |
} |
| 702 |
sql.append(") ");
|
| 703 |
|
| 704 |
sql.append("from ");
|
| 705 |
|
| 706 |
sql.append(params.tableID()); |
| 707 |
sql.append(' ');
|
| 708 |
|
| 709 |
appendWhere(sql, filter); |
| 710 |
|
| 711 |
return sql.toString();
|
| 712 |
} |
| 713 |
|
| 714 |
protected void appendWhere(StringBuilder sql, String filter) { |
| 715 |
filter = fixFilter(filter); |
| 716 |
String initialFilter = params.getInitialFilter();
|
| 717 |
if ((initialFilter != null && initialFilter.length() != 0) |
| 718 |
|| (filter != null && filter.length() != 0)) { |
| 719 |
sql.append("where (");
|
| 720 |
|
| 721 |
if (initialFilter != null && initialFilter.length() != 0 |
| 722 |
&& filter != null && filter.length() != 0) { |
| 723 |
// initialFilter + filter
|
| 724 |
sql.append('(');
|
| 725 |
sql.append(initialFilter); |
| 726 |
sql.append(") and (");
|
| 727 |
sql.append(filter); |
| 728 |
sql.append(')');
|
| 729 |
} else if (initialFilter != null && initialFilter.length() != 0) { |
| 730 |
// initialFilter only
|
| 731 |
sql.append(initialFilter); |
| 732 |
} else {
|
| 733 |
// filter only
|
| 734 |
sql.append(filter); |
| 735 |
} |
| 736 |
sql.append(") ");
|
| 737 |
} |
| 738 |
} |
| 739 |
|
| 740 |
protected void loadMetadata() throws DataException { |
| 741 |
IProjection srs = params.getSRS(); |
| 742 |
|
| 743 |
if (srs == null) { |
| 744 |
srs = store.getDefaultFeatureType().getDefaultSRS(); |
| 745 |
} |
| 746 |
|
| 747 |
this.metadata.setDynValue("DefaultSRS", srs); |
| 748 |
|
| 749 |
String defGeomName = this.store.getDefaultFeatureType() |
| 750 |
.getDefaultGeometryAttributeName(); |
| 751 |
Envelope env = null;
|
| 752 |
if (defGeomName != null && defGeomName.length() > 0) { |
| 753 |
env = this.helper.getFullEnvelopeOfField(this.params, defGeomName, |
| 754 |
this.params.getWorkingArea());
|
| 755 |
|
| 756 |
} |
| 757 |
this.metadata.setDynValue("Envelope", env); |
| 758 |
|
| 759 |
} |
| 760 |
|
| 761 |
public void closeDone() throws DataException { |
| 762 |
clearMetadata(); |
| 763 |
|
| 764 |
} |
| 765 |
|
| 766 |
public void opendDone() throws DataException { |
| 767 |
// Nothing to do
|
| 768 |
} |
| 769 |
|
| 770 |
public Envelope getEnvelope() throws DataException { |
| 771 |
this.open();
|
| 772 |
return (Envelope) this.metadata.getDynValue("Envelope"); |
| 773 |
} |
| 774 |
|
| 775 |
public void resourceChanged(ResourceProvider resource) { |
| 776 |
this.store.notifyChange(DataStoreNotification.RESOURCE_CHANGED,
|
| 777 |
resource); |
| 778 |
} |
| 779 |
|
| 780 |
protected void clearMetadata() { |
| 781 |
this.metadata.setDynValue("DefaultSRS", null); |
| 782 |
this.metadata.setDynValue("Envelope", null); |
| 783 |
} |
| 784 |
|
| 785 |
public boolean allowAutomaticValues() { |
| 786 |
return this.helper.allowAutomaticValues(); |
| 787 |
} |
| 788 |
|
| 789 |
public DataServerExplorer getExplorer() throws ReadException { |
| 790 |
DataManager manager = DALLocator.getDataManager(); |
| 791 |
JDBCServerExplorerParameters exParams; |
| 792 |
try {
|
| 793 |
exParams = (JDBCServerExplorerParameters) manager |
| 794 |
.createServerExplorerParameters(JDBCServerExplorer.NAME); |
| 795 |
exParams.setHost(params.getHost()); |
| 796 |
exParams.setPort(params.getPort()); |
| 797 |
exParams.setDBName(params.getDBName()); |
| 798 |
exParams.setUser(params.getUser()); |
| 799 |
exParams.setPassword(params.getPassword()); |
| 800 |
exParams.setUrl(params.getUrl()); |
| 801 |
exParams.setCatalog(params.getCatalog()); |
| 802 |
exParams.setSchema(params.getSchema()); |
| 803 |
exParams.setJDBCDriverClassName(params.getJDBCDriverClassName()); |
| 804 |
|
| 805 |
return manager.createServerExplorer(exParams);
|
| 806 |
} catch (DataException e) {
|
| 807 |
throw new ReadException(this.getName(), e); |
| 808 |
} catch (ValidateDataParametersException e) {
|
| 809 |
// TODO Auto-generated catch block
|
| 810 |
throw new ReadException(this.getName(), e); |
| 811 |
} |
| 812 |
} |
| 813 |
|
| 814 |
public void dispose() throws CloseException { |
| 815 |
this.close();
|
| 816 |
resulsetList = null;
|
| 817 |
this.helper.dispose();
|
| 818 |
super.dispose();
|
| 819 |
} |
| 820 |
|
| 821 |
public FeatureStoreProvider initialize(FeatureStoreProviderServices store)
|
| 822 |
throws InitializeException {
|
| 823 |
super.initialize(store);
|
| 824 |
this.initFeatureType();
|
| 825 |
return this; |
| 826 |
} |
| 827 |
|
| 828 |
public Object createNewOID() { |
| 829 |
return null; |
| 830 |
} |
| 831 |
|
| 832 |
public String compoundSelect(FeatureType type, String filter, String order, |
| 833 |
long limit, long offset) throws DataException { |
| 834 |
StringBuilder sql = new StringBuilder(); |
| 835 |
if (directSQLMode) {
|
| 836 |
if (filter != null || order != null) { |
| 837 |
// FIXME Exception
|
| 838 |
throw new UnsupportedOperationException(); |
| 839 |
} |
| 840 |
sql.append(params.getSQL()); |
| 841 |
sql.append(' ');
|
| 842 |
} else {
|
| 843 |
FeatureAttributeDescriptor[] fields = type
|
| 844 |
.getAttributeDescriptors(); |
| 845 |
|
| 846 |
// Select
|
| 847 |
sql.append("Select ");
|
| 848 |
for (int i = 0; i < fields.length - 1; i++) { |
| 849 |
sql.append(helper.getSqlFieldName(fields[i])); |
| 850 |
sql.append(", ");
|
| 851 |
} |
| 852 |
sql.append(helper.getSqlFieldName(fields[fields.length - 1]));
|
| 853 |
sql.append(' ');
|
| 854 |
|
| 855 |
FeatureAttributeDescriptor[] pkFields = store
|
| 856 |
.getProviderFeatureType(type.getId()).getPrimaryKey(); |
| 857 |
|
| 858 |
if (pkFields != null && pkFields.length > 0) { |
| 859 |
// checks for pk fields are in select
|
| 860 |
boolean toAdd;
|
| 861 |
for (int i = 0; i < pkFields.length; i++) { |
| 862 |
toAdd = true;
|
| 863 |
for (int j = 0; j < fields.length; j++) { |
| 864 |
if (pkFields[i].getName().equals(fields[j].getName())) {
|
| 865 |
toAdd = false;
|
| 866 |
break;
|
| 867 |
} |
| 868 |
if (toAdd) {
|
| 869 |
sql.append(", ");
|
| 870 |
sql.append(helper.getSqlFieldName(pkFields[i])); |
| 871 |
} |
| 872 |
} |
| 873 |
} |
| 874 |
sql.append(' ');
|
| 875 |
} |
| 876 |
|
| 877 |
// table
|
| 878 |
sql.append("from ");
|
| 879 |
sql.append(params.tableID()); |
| 880 |
sql.append(' ');
|
| 881 |
|
| 882 |
// Where
|
| 883 |
appendWhere(sql, filter); |
| 884 |
|
| 885 |
// Order
|
| 886 |
if ((params.getInitialOrder() != null && params.getInitialOrder() |
| 887 |
.length() != 0)
|
| 888 |
|| (order != null && order.length() != 0)) { |
| 889 |
sql.append("order by ");
|
| 890 |
|
| 891 |
if (order != null && order.length() != 0) { |
| 892 |
// order
|
| 893 |
sql.append(order); |
| 894 |
} else {
|
| 895 |
// initial order
|
| 896 |
sql.append(params.getInitialOrder()); |
| 897 |
} |
| 898 |
sql.append(' ');
|
| 899 |
} |
| 900 |
} |
| 901 |
// limit offset
|
| 902 |
if (limit >= 1 || offset >= 1) { |
| 903 |
sql.append(helper.compoundLimitAndOffset(limit,offset)); |
| 904 |
} |
| 905 |
return sql.toString();
|
| 906 |
} |
| 907 |
|
| 908 |
public long getFeatureCount() throws DataException { |
| 909 |
return getCount(null); |
| 910 |
} |
| 911 |
|
| 912 |
public String getName() { |
| 913 |
return NAME;
|
| 914 |
} |
| 915 |
|
| 916 |
public Iterator getChilds() { |
| 917 |
return null; |
| 918 |
} |
| 919 |
|
| 920 |
public boolean hasGeometrySupport() { |
| 921 |
return false; |
| 922 |
} |
| 923 |
|
| 924 |
public FeatureSetProvider createSet(FeatureQuery query,
|
| 925 |
FeatureType featureType) throws DataException {
|
| 926 |
|
| 927 |
return new JDBCSetProvider(this, query, featureType); |
| 928 |
} |
| 929 |
|
| 930 |
public Object getSourceId() { |
| 931 |
return this.params.getSourceId(); |
| 932 |
} |
| 933 |
|
| 934 |
} |