PoisonPill.java

/*
 * Copyright 1999 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/**
 *
 */
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;

/**
* Class whos readObject method throws a RuntimeException or an
* Error.  Helps to make sure that the UnicastRef.invoke method
* handles ThreadDeath errors correctly (frees relevant corrupted
* call connections with out reuse).
*/
public class PoisonPill implements Serializable {
    Integer corruptTheCallStream = null;

    PoisonPill(Integer corruptTheCallStream) {
        this.corruptTheCallStream = corruptTheCallStream;
    }

    private void readObject(ObjectInputStream in)
        throws IOException
    {
        if (CheckUnmarshalOnStopThread.typeToThrow !=
            CheckUnmarshalOnStopThread.RUNTIME_PILL) {

            throw new Error("Wrote a test object whos readObject " +
                            "method always throws an Error");

        } else {

            throw new RuntimeException("Wrote a test object " +
                                       "whos readObject method " +
                                       "always throws a RuntimeException");

        }
    }
}