io.logspace.agent.shaded.mchange.v1.db.sql.ConnectionUtils Maven / Gradle / Ivy
/*
* Distributed as part of c3p0 v.0.9.1.1
*
* Copyright (C) 2005 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1, as
* published by the Free Software Foundation.
*
* This software 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software; see the file LICENSE. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
package io.logspace.agent.shaded.mchange.v1.db.sql;
import java.sql.*;
import io.logspace.agent.shaded.mchange.v2.log.*;
public final class ConnectionUtils
{
private final static MLogger logger = MLog.getLogger( ConnectionUtils.class );
/**
* @return false iff and Exception occurred while
* trying to close this object.
*/
public static boolean attemptClose(Connection con)
{
try
{
if (con != null) con.close();
//System.err.println("Connection [ " + con + " ] closed.");
return true;
}
catch (SQLException e)
{
//e.printStackTrace();
//System.err.println("Connection close FAILED.");
if ( logger.isLoggable( MLevel.WARNING ) )
logger.log( MLevel.WARNING, "Connection close FAILED.", e );
return false;
}
}
public static boolean attemptRollback(Connection con)
{
try
{
if (con != null) con.rollback();
return true;
}
catch (SQLException e)
{
//e.printStackTrace();
if ( logger.isLoggable( MLevel.WARNING ) )
logger.log( MLevel.WARNING, "Rollback FAILED.", e );
return false;
}
}
private ConnectionUtils()
{}
}