/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* <p/>
* http://www.apache.org/licenses/LICENSE-2.0
* <p/>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ambari.view.huetoambarimigration.datasource;
import com.mchange.v2.c3p0.ComboPooledDataSource;
import java.beans.PropertyVetoException;
import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
public class DataSourceAmbariDatabase {
private static DataSourceAmbariDatabase datasource;
private ComboPooledDataSource cpds;
private DataSourceAmbariDatabase(String ambaridatabasedriver, String ambarijdbcurl, String ambaridatabaseusename, String ambaridatabasepassword) throws IOException, SQLException, PropertyVetoException {
cpds = new ComboPooledDataSource();
cpds.setDriverClass(ambaridatabasedriver); //loads the jdbc driver
cpds.setJdbcUrl(ambarijdbcurl);
cpds.setUser(ambaridatabaseusename);
cpds.setPassword(ambaridatabasepassword);
// the settings below are optional -- c3p0 can work with defaults
cpds.setMinPoolSize(10);
cpds.setAcquireIncrement(10);
cpds.setMaxPoolSize(20);
cpds.setMaxStatements(180);
}
public static DataSourceAmbariDatabase getInstance(String ambariDbDriver, String ambariDBjadbcURL, String ambaridbUsername, String ambariDBPasswd) throws IOException, SQLException, PropertyVetoException {
if (datasource == null) {
datasource = new DataSourceAmbariDatabase(ambariDbDriver, ambariDBjadbcURL, ambaridbUsername, ambariDBPasswd);
return datasource;
} else {
return datasource;
}
}
public Connection getConnection() throws SQLException {
return this.cpds.getConnection();
}
}