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.h2 / src / main / java / org / gvsig / fmap / dal / store / h2 / H2SpatialHelper.java @ 45154
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2020 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 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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*/
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package org.gvsig.fmap.dal.store.h2; |
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import static java.awt.SystemColor.info; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.ConnectionProvider; |
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import java.io.File; |
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import java.sql.Connection; |
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import java.sql.SQLException; |
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import java.text.MessageFormat; |
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import org.apache.commons.dbcp.BasicDataSource; |
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import org.apache.commons.io.FilenameUtils; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.expressionevaluator.GeometryExpressionBuilderHelper.GeometrySupportType; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.resource.exception.AccessResourceException; |
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import org.gvsig.fmap.dal.spi.DataServerExplorerProviderServices; |
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import org.gvsig.fmap.dal.store.h2.operations.H2SpatialOperationsFactory; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCConnectionParameters; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCNewStoreParameters; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorerParameters; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCStoreParameters; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCDriverClassNotFoundException; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCServerExplorer; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCUtils; |
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import org.gvsig.fmap.dal.store.jdbc2.OperationsFactory; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCHelperBase; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.SRSSolverBase; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.SRSSolverDumb; |
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import org.h2.Driver; |
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import org.h2.tools.Server; |
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import org.h2gis.ext.H2GISExtension; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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@SuppressWarnings("UseSpecificCatch") |
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public class H2SpatialHelper extends JDBCHelperBase { |
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static final Logger LOGGER = LoggerFactory.getLogger(H2SpatialHelper.class); |
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public static final String H2SPATIAL_JDBC_DRIVER = "org.h2.Driver"; |
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private static File getLocalFile(H2SpatialConnectionParameters params) { |
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String host = params.getHost();
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if( !StringUtils.isEmpty(host) ) {
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host = host.toLowerCase().trim(); |
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if( !(host.equals("localhost") || host.equals("127.0.0.1")) ) { |
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return null; |
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} |
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} |
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File f = params.getFile();
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if( f == null ) { |
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return null; |
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} |
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String pathname = f.getAbsolutePath().replace("\\","/"); |
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if( !pathname.endsWith(".mv.db") ) { |
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pathname += ".mv.db";
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} |
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return new File(pathname); |
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} |
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public static String getConnectionURL(H2SpatialConnectionParameters params) { |
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String connectionURL;
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String dbfilename = params.getFile().getAbsolutePath().replace("\\","/"); |
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if( dbfilename!=null && dbfilename.endsWith(".mv.db") ) { |
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dbfilename = dbfilename.substring(0, dbfilename.length()-6); |
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} |
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StringBuilder commonParameters = new StringBuilder(); |
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commonParameters.append(";MODE=PostgreSQL");
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commonParameters.append(";SCHEMA=PUBLIC");
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commonParameters.append(";ALLOW_LITERALS=ALL");
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if( StringUtils.isEmpty(params.getHost()) ) {
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// Asumimos que es una conexion directa sobre el filesystem
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if( StringUtils.equalsIgnoreCase(FilenameUtils.getExtension(params.getFile().getName()),"zip") ) { |
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connectionURL = MessageFormat.format(
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"jdbc:h2:zip:{0}!/{1}"+commonParameters.toString(),
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dbfilename, |
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params.getDBName() |
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); |
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} else {
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connectionURL = MessageFormat.format(
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"jdbc:h2:file:{0}"+commonParameters.toString(),
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dbfilename |
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); |
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} |
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} else if( params.getPort() == null ) { |
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connectionURL = MessageFormat.format(
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"jdbc:h2:tcp://{0}/{1}"+commonParameters.toString(),
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params.getHost(), |
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dbfilename |
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); |
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} else {
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connectionURL = MessageFormat.format("jdbc:h2:tcp://{0}:{1,number,#######}/{2}"+commonParameters.toString(), |
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params.getHost(), |
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(int) params.getPort(),
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dbfilename |
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); |
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} |
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LOGGER.debug("connectionURL: {}", connectionURL);
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return connectionURL;
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} |
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public static class ConnectionProviderImpl implements ConnectionProvider { |
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private static boolean needRegisterDriver = true; |
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private BasicDataSource dataSource = null; |
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private final H2SpatialConnectionParameters connectionParameters; |
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private static Server server = null; |
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private static boolean startServer = true; |
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public ConnectionProviderImpl(H2SpatialConnectionParameters connectionParameters) {
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this.connectionParameters = connectionParameters;
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} |
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@Override
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public String getStatus() { |
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StringBuilder builder = new StringBuilder(); |
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builder.append("Pool: ");
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builder.append(JDBCUtils.getHexId(dataSource)); |
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builder.append(" Actives: ");
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builder.append(dataSource.getNumActive()); |
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builder.append("/");
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builder.append(dataSource.getMaxActive()); |
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builder.append(" idle: ");
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builder.append(dataSource.getNumIdle()); |
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builder.append("/");
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builder.append(dataSource.getMinIdle()); |
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builder.append(":");
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builder.append(dataSource.getMaxIdle()); |
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return builder.toString();
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} |
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@SuppressWarnings("ConvertToTryWithResources") |
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public void shutdown() { |
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LOGGER.info("Shutdown H2 connection.");
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try {
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Connection conn = this.getConnection(); |
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conn.createStatement().execute("SHUTDOWN");
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conn.close(); |
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} catch (Throwable th) { |
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LOGGER.warn("Problems shutdown the database.", th);
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} |
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try {
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if( dataSource!=null ) { |
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LOGGER.info("Clossing connection pool.");
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LOGGER.info(this.getStatus());
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dataSource.close(); |
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LOGGER.info("Connection pool closed.");
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LOGGER.info(this.getStatus());
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} |
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} catch (Throwable th) { |
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LOGGER.warn("Problems closing connections pool.", th);
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} |
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} |
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public static void stopServer() { |
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if (server == null) { |
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LOGGER.info("The H2 server is already stopped.");
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} else {
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LOGGER.info("Stopping the H2 server.");
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LOGGER.info(" port :" + server.getPort());
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LOGGER.info(" URL :" + server.getURL());
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LOGGER.info(" shutdown server...");
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try {
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server.shutdown(); |
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} catch (Throwable th) { |
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LOGGER.warn("Problems shutdown the H2 server.", th);
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} |
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LOGGER.info(" Stoping server...");
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try {
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server.stop(); |
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} catch (Throwable th) { |
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LOGGER.warn("Problems stopping the H2 server.", th);
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} |
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LOGGER.info(" status:" + server.getStatus());
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server = null;
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LOGGER.info("H2 Server stopped");
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} |
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startServer = true;
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} |
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private void startServer() { |
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if( startServer && server == null ) { |
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String port = "9123"; |
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try {
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Server theServer; |
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if( this.connectionParameters.getServerPort()>0 ) { |
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port = String.valueOf(this.connectionParameters.getServerPort()); |
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} |
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if( this.connectionParameters.getServerAllowOthers() ) { |
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theServer = Server.createTcpServer("-tcpPort", port, "-ifExists", "-tcpAllowOthers"); |
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} else {
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theServer = Server.createTcpServer("-tcpPort", port, "-ifExists"); |
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} |
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theServer.start(); |
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server = theServer; |
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LOGGER.info("H2 Server started" );
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LOGGER.info(" port :"+ server.getPort());
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LOGGER.info(" URL :"+ server.getURL());
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LOGGER.info(" status:"+ server.getStatus());
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Runtime.getRuntime().addShutdownHook(new Thread() { |
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@Override
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public void run() { |
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stopServer(); |
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} |
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}); |
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} catch (SQLException ex) { |
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LOGGER.warn("H2 Server not started",ex);
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} |
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// Tanto si consigue lanzar el server como si no, no lo vuelve a intentar
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startServer = false;
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} |
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} |
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@Override
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public String toString() { |
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StringBuilder builder = new StringBuilder(); |
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builder.append(" url=").append(connectionParameters.getUrl());
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builder.append(" driver name=").append(connectionParameters.getJDBCDriverClassName());
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builder.append(" user=").append(connectionParameters.getUser());
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return builder.toString();
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} |
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@Override
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public synchronized Connection getConnection() throws SQLException { |
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if (this.dataSource == null) { |
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this.dataSource = this.createDataSource(); |
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} |
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Connection conn;
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try {
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conn = this.dataSource.getConnection();
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} catch(Throwable th) { |
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LOGGER.warn("Can't create connection to '"+this.dataSource.getUrl()+"'. "+this.getStatus()); |
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LOGGER.warn("Can't create connection to '"+this.dataSource.getUrl()+"'.",th); |
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throw th;
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} |
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try {
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conn.createStatement().execute("SELECT TOP 1 SRID FROM SPATIAL_REF_SYS");
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} catch(SQLException ex) { |
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H2GISExtension.load(conn); |
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} |
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try {
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conn.createStatement().execute("CREATE SCHEMA IF NOT EXISTS PUBLIC;SET SCHEMA PUBLIC");
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} catch(SQLException ex) { |
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LOGGER.trace("Can't create schema public.",ex);
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// Ignore this error.
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} |
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return conn;
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} |
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private BasicDataSource createDataSource() throws SQLException { |
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if (!this.isRegistered()) { |
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this.registerDriver();
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} |
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startServer(); |
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H2SpatialConnectionParameters params = connectionParameters; |
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BasicDataSource ds = new BasicDataSource();
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ds.setDriverClassName(params.getJDBCDriverClassName()); |
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if( !StringUtils.isEmpty(params.getUser()) ) {
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ds.setUsername(params.getUser()); |
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} |
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if( !StringUtils.isEmpty(params.getPassword()) ) {
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ds.setPassword(params.getPassword()); |
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} |
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ds.setUrl(params.getUrl()); |
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ds.setMaxWait(60L * 1000); |
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//
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// Ajustamos el pool para que las conexiones se cierren a los
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// 10 segundos, asi tratamos de que al salir de gvSIG no queden
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// conexiones abiertas con la BBDD y pueda quedar corrupta esta.
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// Hay que tener en cuenta que es una BBDD embebida, y mientras
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// hayan conexiones abiertas pueden quedar cosas por bajar a disco.
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//
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int sidle = this.connectionParameters.getMaxSecondsIdle(); |
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if( sidle < 0 ) { |
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ds.setTimeBetweenEvictionRunsMillis(-1);
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ds.setMinEvictableIdleTimeMillis(30*1000); |
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} else {
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// Revisamos las conexiones inactivas cada 10 segundos
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ds.setTimeBetweenEvictionRunsMillis(sidle*1000);
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// Eliminadmos las conexiones que lleven inactivas mas de 10 segundos.
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ds.setMinEvictableIdleTimeMillis(sidle*1000);
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} |
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// Ajustamos el numero minimo de conexiones a 0 para permitir
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// que se lleguen a cerrar todas las conexiones del pool.
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ds.setMinIdle(0);
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// dejaremos el MaxIdle a 20, no parece importante. .
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ds.setMaxIdle(20);
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return ds;
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} |
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private boolean isRegistered() { |
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return needRegisterDriver;
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} |
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@Override
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public void registerDriver() throws SQLException { |
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String className = this.connectionParameters.getJDBCDriverClassName(); |
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if (className == null) { |
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return;
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} |
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try {
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Class theClass = Class.forName(className); |
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if (theClass == null) { |
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throw new JDBCDriverClassNotFoundException(H2SpatialLibrary.NAME, className); |
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} |
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} catch (Exception e) { |
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throw new SQLException("Can't register JDBC driver '" + className + "'.", e); |
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} |
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needRegisterDriver = false;
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} |
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} |
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private ConnectionProvider connectionProvider = null; |
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/**
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* Constructor for use only for testing purposes.
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*
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* @param connectionParameters
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* @param connectionProvider
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*/
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public H2SpatialHelper(JDBCConnectionParameters connectionParameters, ConnectionProvider connectionProvider) {
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super(connectionParameters);
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this.srssolver = new SRSSolverDumb(this); |
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this.connectionProvider = connectionProvider;
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} |
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public H2SpatialHelper(JDBCConnectionParameters connectionParameters) {
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super(connectionParameters);
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this.srssolver = new SRSSolverBase(this); |
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} |
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public void shutdown() { |
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try {
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if( this.connectionProvider!=null ) { |
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((ConnectionProviderImpl) this.connectionProvider).shutdown();
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this.connectionProvider = null; |
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} |
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ConnectionProviderImpl.stopServer(); |
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} catch (Throwable ex) { |
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LOGGER.warn("Problems shutdown H2", ex);
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} |
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} |
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private void logConnectionStatus(String msg, Connection conn) { |
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ConnectionProvider cp = this.getConnectionProvider();
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StringBuilder builder = new StringBuilder(); |
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builder.append(msg); |
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if( conn == null ) { |
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builder.append(": connection null");
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} else {
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Boolean closed = null; |
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try {
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closed = conn.isClosed(); |
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} catch(Throwable th) { |
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} |
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builder.append(": connection ");
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builder.append(JDBCUtils.getConnId(conn)); |
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if( closed ) {
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builder.append(" (c)");
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} |
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builder.append(" ");
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} |
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builder.append(cp.getStatus()); |
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LOGGER.info(builder.toString()); |
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} |
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|
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private ConnectionProvider getConnectionProvider() {
|
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if (this.connectionProvider == null) { |
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H2SpatialConnectionParameters connectionParameters = this.getConnectionParameters();
|
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if( connectionParameters==null ) { |
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return null; // Testing mode? |
406 |
} |
407 |
this.connectionProvider = new ConnectionProviderImpl(connectionParameters); |
408 |
} |
409 |
return this.connectionProvider; |
410 |
} |
411 |
|
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@Override
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public synchronized Connection getConnection() throws AccessResourceException { |
414 |
try {
|
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if (this.connectionProvider == null) { |
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H2SpatialConnectionParameters connectionParameters = this.getConnectionParameters();
|
417 |
if( connectionParameters==null ) { |
418 |
return null; // Testing mode? |
419 |
} |
420 |
this.connectionProvider = new ConnectionProviderImpl(connectionParameters); |
421 |
} |
422 |
Connection connection = this.connectionProvider.getConnection(); |
423 |
if( LOGGER.isDebugEnabled() ) {
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LOGGER.debug("["+JDBCUtils.getConnId(connection)+"] getConnection "+connectionProvider.getStatus()+" "+ connectionProvider.toString()); |
425 |
} |
426 |
return connection;
|
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} catch (SQLException ex) { |
428 |
throw new AccessResourceException(H2SpatialLibrary.NAME, ex); |
429 |
} |
430 |
} |
431 |
|
432 |
@Override
|
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public void closeConnection(Connection connection) { |
434 |
if( connection!=null ) { // In test ??? |
435 |
LOGGER.debug("["+JDBCUtils.getConnId(connection)+"] closeConnection "+ this.connectionProvider.getStatus()); |
436 |
} |
437 |
super.closeConnection(connection);
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} |
439 |
|
440 |
@Override
|
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public H2SpatialConnectionParameters getConnectionParameters() {
|
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return (H2SpatialConnectionParameters) super.getConnectionParameters(); |
443 |
} |
444 |
|
445 |
@Override
|
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public String getConnectionURL() { |
447 |
return getConnectionURL(this.getConnectionParameters()); |
448 |
} |
449 |
|
450 |
@Override
|
451 |
protected String getResourceType() { |
452 |
return H2SpatialLibrary.NAME;
|
453 |
} |
454 |
|
455 |
@Override
|
456 |
public String getProviderName() { |
457 |
return H2SpatialLibrary.NAME;
|
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} |
459 |
|
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@Override
|
461 |
public JDBCSQLBuilderBase createSQLBuilder() {
|
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return new H2SpatialSQLBuilder(this); |
463 |
} |
464 |
|
465 |
@Override
|
466 |
public OperationsFactory getOperations() {
|
467 |
if (this.operationsFactory == null) { |
468 |
this.operationsFactory = new H2SpatialOperationsFactory(this); |
469 |
} |
470 |
return operationsFactory;
|
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} |
472 |
|
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@Override
|
474 |
public GeometrySupportType getGeometrySupportType() {
|
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return GeometrySupportType.WKB;
|
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} |
477 |
|
478 |
@Override
|
479 |
public boolean hasSpatialFunctions() { |
480 |
return true; |
481 |
} |
482 |
|
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@Override
|
484 |
public boolean canWriteGeometry(int geometryType, int geometrySubtype) { |
485 |
return true; |
486 |
} |
487 |
|
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@Override
|
489 |
public String getQuoteForIdentifiers() { |
490 |
return "\""; |
491 |
} |
492 |
|
493 |
@Override
|
494 |
public boolean allowAutomaticValues() { |
495 |
return true; |
496 |
} |
497 |
|
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@Override
|
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public boolean supportOffsetInSelect() { |
500 |
return true; |
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} |
502 |
|
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@Override
|
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public String getQuoteForStrings() { |
505 |
return "'"; |
506 |
} |
507 |
|
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@Override
|
509 |
public String getSourceId(JDBCStoreParameters parameters) { |
510 |
return parameters.getDBName() + "." + |
511 |
parameters.getSchema()+ "." +
|
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parameters.getTable(); |
513 |
} |
514 |
|
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@Override
|
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public JDBCNewStoreParameters createNewStoreParameters() {
|
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return new H2SpatialNewStoreParameters(); |
518 |
} |
519 |
|
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@Override
|
521 |
public JDBCStoreParameters createOpenStoreParameters() {
|
522 |
return new H2SpatialStoreParameters(); |
523 |
} |
524 |
|
525 |
@Override
|
526 |
public JDBCServerExplorerParameters createServerExplorerParameters() {
|
527 |
return new H2SpatialExplorerParameters(); |
528 |
} |
529 |
|
530 |
@Override
|
531 |
public JDBCServerExplorer createServerExplorer(
|
532 |
JDBCServerExplorerParameters parameters, |
533 |
DataServerExplorerProviderServices providerServices |
534 |
) throws InitializeException {
|
535 |
|
536 |
JDBCServerExplorer explorer = new H2SpatialExplorer(
|
537 |
parameters, |
538 |
providerServices, |
539 |
this
|
540 |
); |
541 |
this.initialize(explorer, parameters, null); |
542 |
return explorer;
|
543 |
} |
544 |
|
545 |
} |