/*
* ====================================================================
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.ogt.http.impl.conn.tsccm;
import java.util.Date;
import java.util.concurrent.locks.Lock;
import org.apache.ogt.http.impl.conn.tsccm.WaitingThread;
/**
* Thread to await something.
*/
public class AwaitThread extends Thread {
protected final WaitingThread wait_object;
protected final Lock wait_lock;
protected final Date wait_deadline;
protected volatile boolean waiting;
protected volatile Throwable exception;
/**
* Creates a new thread.
* When this thread is started, it will wait on the argument object.
*/
public AwaitThread(WaitingThread where, Lock lck, Date deadline) {
wait_object = where;
wait_lock = lck;
wait_deadline = deadline;
}
/**
* This method is executed when the thread is started.
*/
@Override
public void run() {
try {
wait_lock.lock();
waiting = true;
wait_object.await(wait_deadline);
} catch (Throwable dart) {
exception = dart;
} finally {
waiting = false;
wait_lock.unlock();
}
// terminate
}
public Throwable getException() {
return exception;
}
public boolean isWaiting() {
try {
wait_lock.lock();
return waiting;
} finally {
wait_lock.unlock();
}
}
}