RC9/qpid/java/junit-toolkit/src/main/org/apache/qpid/junit/concurrency/PossibleDeadlockException.java

/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */
package org.apache.qpid.junit.concurrency;

/**
 * PossibleDeadlockException is used to signal that two test threads being executed by a {@link ThreadTestCoordinator}
 * may be in a state of deadlock because they are mutually blocking each other or one is waiting on the other and the
 * other has been blocked elsewhere for longer than a specified timeout.
 *
 * <p/><table id="crc"><caption>CRC Card</caption>
 * <tr><th> Responsibilities <th> Collaborations
 * <tr><td> Signal a possible state of deadlock between coordinated test threads.
 * </table>
 *
 * @author Rupert Smith
 */
public class PossibleDeadlockException extends RuntimeException
{
    /**
     * Create a new possible deadlock execption.
     *
     * @param message The exception message.
     */
    public PossibleDeadlockException(String message)
    {
        super(message);
    }
}