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Enables C3P0 with Hibernate connections in the GuicedPersistence provider Requires JDK 8 and up

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/*
 * Distributed as part of mchange-commons-java 0.2.11
 *
 * Copyright (C) 2015 Machinery For Change, Inc.
 *
 * Author: Steve Waldman 
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of EITHER:
 *
 *     1) The GNU Lesser General Public License (LGPL), version 2.1, as 
 *        published by the Free Software Foundation
 *
 * OR
 *
 *     2) The Eclipse Public License (EPL), version 1.0
 *
 * You may choose which license to accept if you wish to redistribute
 * or modify this work. You may offer derivatives of this work
 * under the license you have chosen, or you may provide the same
 * choice of license which you have been offered here.
 *
 * 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.
 *
 * You should have received copies of both LGPL v2.1 and EPL v1.0
 * along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
 * If not, the text of these licenses are currently available at
 *
 * LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 *  EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php 
 * 
 */

package com.mchange.lang;

import java.io.*;

public class PotentiallySecondaryRuntimeException extends RuntimeException implements PotentiallySecondary
{
    final static String NESTED_MSG = ">>>>>>>>>> NESTED EXCEPTION >>>>>>>>";

    Throwable nested;

    public PotentiallySecondaryRuntimeException(String msg, Throwable t)
    {
	super(msg);
	this.nested = t;
    }

    public PotentiallySecondaryRuntimeException(Throwable t)
    {this("", t);}

    public PotentiallySecondaryRuntimeException(String msg)
    {this(msg, null);}

    public PotentiallySecondaryRuntimeException()
    {this("", null);}

    public Throwable getNestedThrowable()
    {return nested;}

    public void printStackTrace(PrintWriter pw)
    {
	super.printStackTrace(pw);
	if (nested != null)
	    {
		pw.println(NESTED_MSG);
		nested.printStackTrace(pw);
	    }
    }

    public void printStackTrace(PrintStream ps)
    {
	super.printStackTrace(ps);
	if (nested != null)
	    {
		ps.println("NESTED_MSG");
		nested.printStackTrace(ps);
	    }
    }

    public void printStackTrace()
    {printStackTrace(System.err);}
}