/*
* Licensed under the GPL License. You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
*
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
package com.googlecode.psiprobe.beans;
import com.googlecode.psiprobe.model.DataSourceInfo;
import com.mchange.v2.c3p0.ComboPooledDataSource;
/**
* Abstraction layer for c3p0. Maps c3p0 datasource properties on our generic
* DataSourceInfo bean.
*
* @author Vlad Ilyushchenko
*/
public class C3P0DatasourceAccessor implements DatasourceAccessor {
public DataSourceInfo getInfo(Object resource) throws Exception{
DataSourceInfo dataSourceInfo = null;
if (canMap(resource))
{
ComboPooledDataSource source = (ComboPooledDataSource) resource;
dataSourceInfo = new DataSourceInfo();
dataSourceInfo.setBusyConnections(source.getNumBusyConnections());
dataSourceInfo.setEstablishedConnections(source.getNumConnections());
dataSourceInfo.setMaxConnections(source.getMaxPoolSize());
dataSourceInfo.setJdbcURL(source.getJdbcUrl());
dataSourceInfo.setUsername(source.getUser());
dataSourceInfo.setResettable(true);
}
return dataSourceInfo;
}
public boolean reset(Object resource) throws Exception {
if (canMap(resource)) {
((ComboPooledDataSource) resource).hardReset();
return true;
}
return false;
}
public boolean canMap(Object resource) {
return "com.mchange.v2.c3p0.ComboPooledDataSource".equals(resource.getClass().getName()) && resource instanceof ComboPooledDataSource;
}
}