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/*
* This file is part of the Yildiz-Engine project, licenced under the MIT License (MIT)
*
* Copyright (c) 2018 Grégory Van den Borre
*
* More infos available: http://engine.yildiz-games.be
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including without
* limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
* OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
package be.yildizgames.module.database;
import be.yildizgames.common.logging.LogFactory;
import com.mchange.v2.c3p0.ComboPooledDataSource;
import org.slf4j.Logger;
import java.sql.Connection;
import java.sql.SQLException;
/**
* C3P0 implementation for a connection provider.
*
* @author Grégory Van den Borre
*/
final class C3P0ConnectionProvider extends DataBaseConnectionProvider {
private static final Logger LOGGER = LogFactory.getInstance().getLogger(C3P0ConnectionProvider.class);
/**
* Time in seconds.
*/
private static final int ONE_HOUR = 3600;
/**
* Time in seconds.
*/
private static final int HALF_HOUR = 1800;
/**
* C3P0 data source.
*/
private final ComboPooledDataSource cpds;
private boolean open = false;
/**
* Build a C3P0 connection provider, set the default C3P0 logger silent, the max idle time is 1 hour, autocommit is set to true.
*
* @param system Database system to use.
* @param properties Properties holding connection data.
* @throws SQLException If an exception occurs when building the object.
* @throws NullPointerException if a parameter is null.
*/
C3P0ConnectionProvider(final DatabaseSystem system, final DbProperties properties, boolean root) throws SQLException {
super(system, properties, root);
System.setProperty("com.mchange.v2.log.FallbackMLog.DEFAULT_CUTOFF_LEVEL", "WARNING");
System.setProperty("com.mchange.v2.log.MLog", "com.mchange.v2.log.FallbackMLog");
this.cpds = new ComboPooledDataSource();
try {
this.cpds.setDriverClass(system.getDriver());
} catch (Exception e) {
LOGGER.error("Error in pool", e);
throw new SQLException("Cannot load pool driver.", e);
}
this.cpds.setJdbcUrl(this.getUri());
this.cpds.setUser(this.getLogin());
this.cpds.setPassword(this.getPassword());
this.cpds.setMaxIdleTime(ONE_HOUR);
this.cpds.setMaxIdleTimeExcessConnections(HALF_HOUR);
this.cpds.setAutoCommitOnClose(true);
}
C3P0ConnectionProvider(final DatabaseSystem system, final DbProperties properties) throws SQLException {
this(system, properties, false);
}
@Override
protected Connection getConnectionImpl() throws SQLException {
return this.cpds.getConnection();
}
@Override
public void close() {
if(open) {
this.cpds.close();
this.open = false;
LOGGER.info("Closed database connection pool.");
}
}
} |
