/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License, version 2 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/gpl-2.0.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
*
* Copyright 2006 - 2013 Pentaho Corporation. All rights reserved.
*/
package org.pentaho.platform.engine.services.connection.datasource.dbcp;
import org.apache.commons.pool.ObjectPool;
import org.pentaho.database.model.DatabaseAccessType;
import org.pentaho.database.model.IDatabaseConnection;
import org.pentaho.platform.api.data.DBDatasourceServiceException;
import org.pentaho.platform.api.data.IDBDatasourceService;
import org.pentaho.platform.api.engine.ICacheManager;
import org.pentaho.platform.engine.core.system.PentahoSystem;
import org.pentaho.platform.engine.services.messages.Messages;
import org.pentaho.platform.util.logging.Logger;
import javax.sql.DataSource;
import java.util.List;
public class PooledDatasourceSystemListener extends NonPooledDatasourceSystemListener {
@Override
protected DataSource getDataSource( IDatabaseConnection connection ) {
DataSource ds = null;
try {
if (!connection.getAccessType().equals( DatabaseAccessType.JNDI ) ) {
ds = PooledDatasourceHelper.setupPooledDataSource( connection );
} else {
ds = PooledDatasourceHelper.getJndiDataSource( connection.getDatabaseName() );
}
} catch ( DBDatasourceServiceException e ) {
Logger.error( this, Messages.getInstance().getErrorString(
"DatasourceSystemListener.ERROR_0003_UNABLE_TO_POOL_DATASOURCE", connection.getName(),
e.getMessage() ) ); //$NON-NLS-1$
}
return ds;
}
@Override
protected ICacheManager addCacheRegions( ) {
ICacheManager cacheManager = super.addCacheRegions();
if ( !cacheManager.cacheEnabled( IDBDatasourceService.JDBC_POOL ) ) {
cacheManager.addCacheRegion( IDBDatasourceService.JDBC_POOL );
}
return cacheManager;
}
@SuppressWarnings( "unchecked" )
public void shutdown() {
ICacheManager cacheManager = PentahoSystem.getCacheManager( null );
List<ObjectPool> objectPools = null;
objectPools = (List<ObjectPool>) cacheManager.getAllValuesFromRegionCache( IDBDatasourceService.JDBC_POOL );
Logger.debug( this, "DatasourceSystemListener: Called for shutdown ..." ); //$NON-NLS-1$
try {
if ( objectPools != null ) {
for ( ObjectPool objectPool : objectPools ) {
if ( null != objectPool ) {
objectPool.clear();
}
}
}
} catch ( Throwable ignored ) {
Logger.error( this, "Failed to clear connection pool: " + ignored.getMessage(), ignored ); //$NON-NLS-1$
}
cacheManager.removeRegionCache( IDBDatasourceService.JDBC_POOL );
cacheManager.removeRegionCache( IDBDatasourceService.JDBC_DATASOURCE );
Logger.debug( this, "DatasourceSystemListener: Completed shutdown." ); //$NON-NLS-1$
}
}