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/*
* Copyright 2008 biaoping.yin
*
* Licensed 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.frameworkset.thread;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
*
* Title: WaitPolicy.java
*
*
*
* Description: 如果缓冲队列已经满，则允许系统等待1秒钟， 然后重新执行直到被重新执行为止
*
*
*
* Copyright: Copyright (c) 2009
*
*
*
* bboss workgroup
*
*
* @Date May 17, 2009
* @author biaoping.yin
* @version 1.0
*/
public class WaitPolicy implements RejectedExecutionHandler
{
private static Logger log = LoggerFactory.getLogger(WaitPolicy.class);
public void rejectedExecution(Runnable r, ThreadPoolExecutor executor)
{
if (!executor.isShutdown())
{
if(r instanceof RejectTask)
{
RejectTask reject = (RejectTask)r;
if(reject.isStopORInterrupted())
return;
reject.setReject();
reject.increamentRejecttimes();
}
long waitTime = 1000;
if (r instanceof DelayThread)
{
DelayThread t_ = (DelayThread) r;
try
{
waitTime = t_.getWaittime();
}
catch (ThreadException e)
{
WaitFailHandler waitFailHandler = t_.getWaitFailHandler();
if(waitFailHandler != null )
{
try
{
waitFailHandler.failhandler(r);
}
catch(Exception e1)
{
log.debug("waitFailHandler failed:" + e.getMessage(),e);
}
}
log.debug("RejectedExecutionHandler failed:Do nothing and discard this task.",e);
return;
}
}
if(waitTime < 0)
{
waitTime = 1000;
}
synchronized (r)
{
try
{
r.wait(waitTime);
}
catch (InterruptedException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
executor.execute(r);
}
}
}