resourceclosedexception.java

c3p0数据库连接池实现源码

/*
 * Distributed as part of c3p0 v.0.9.1-pre6
 *
 * Copyright (C) 2005 Machinery For Change, Inc.
 *
 * Author: Steve Waldman <[e-mail]>
 *
 * 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 com.mchange.v2.util;

import com.mchange.v2.lang.VersionUtils;

public class ResourceClosedException extends RuntimeException
{
    //retaining 1.3.x compatability for now

//     public ResourceClosedException(String msg, Throwable t)
//     { super( msg, t ); }

//     public ResourceClosedException(Throwable t)
//     { super(t); }

    Throwable rootCause;

    public ResourceClosedException(String msg, Throwable t)
    { 
	super( msg ); 
	setRootCause( t );
    }

    public ResourceClosedException(Throwable t)
    { 
	super(); 
	setRootCause( t );
    }

    public ResourceClosedException(String msg)
    { super( msg ); }

    public ResourceClosedException()
    { super(); }

    public Throwable getCause()
    { return rootCause; }

    private void setRootCause( Throwable t )
    {
	this.rootCause = t;
	if ( VersionUtils.isAtLeastJavaVersion14() )
	    this.initCause( t );
    }
}