WaitingThreadAborter.java revision 417f3b92ba4549b2f22340e3107d869d2b9c5bb8
1/*
2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/conn/tsccm/WaitingThreadAborter.java $
3 * $Revision: 649220 $
4 * $Date: 2008-04-17 11:40:24 -0700 (Thu, 17 Apr 2008) $
5 *
6 * ====================================================================
7 *
8 *  Licensed to the Apache Software Foundation (ASF) under one or more
9 *  contributor license agreements.  See the NOTICE file distributed with
10 *  this work for additional information regarding copyright ownership.
11 *  The ASF licenses this file to You under the Apache License, Version 2.0
12 *  (the "License"); you may not use this file except in compliance with
13 *  the License.  You may obtain a copy of the License at
14 *
15 *      http://www.apache.org/licenses/LICENSE-2.0
16 *
17 *  Unless required by applicable law or agreed to in writing, software
18 *  distributed under the License is distributed on an "AS IS" BASIS,
19 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20 *  See the License for the specific language governing permissions and
21 *  limitations under the License.
22 * ====================================================================
23 *
24 * This software consists of voluntary contributions made by many
25 * individuals on behalf of the Apache Software Foundation.  For more
26 * information on the Apache Software Foundation, please see
27 * <http://www.apache.org/>.
28 *
29 */
30
31package org.apache.http.impl.conn.tsccm;
32
33/** A simple class that can interrupt a {@link WaitingThread}. */
34public class WaitingThreadAborter {
35
36    private WaitingThread waitingThread;
37    private boolean aborted;
38
39    /**
40     * If a waiting thread has been set, interrupts it.
41     */
42    public void abort() {
43        aborted = true;
44
45        if (waitingThread != null)
46            waitingThread.interrupt();
47
48    }
49
50    /**
51     * Sets the waiting thread.  If this has already been aborted,
52     * the waiting thread is immediately interrupted.
53     *
54     * @param waitingThread The thread to interrupt when aborting.
55     */
56    public void setWaitingThread(WaitingThread waitingThread) {
57        this.waitingThread = waitingThread;
58        if (aborted)
59            waitingThread.interrupt();
60    }
61
62}
63