| /* |
| * 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 |
| */ |
| package org.apache.catalina.tribes.group.interceptors; |
| |
| import java.util.concurrent.LinkedBlockingQueue; |
| import java.util.concurrent.ThreadPoolExecutor; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import org.apache.catalina.tribes.ChannelMessage; |
| import org.apache.catalina.tribes.Member; |
| import org.apache.catalina.tribes.group.InterceptorPayload; |
| import org.apache.catalina.tribes.transport.bio.util.LinkObject; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * |
| * Same implementation as the MessageDispatchInterceptor |
| * except is ues an atomic long for the currentSize calculation |
| * and uses a thread pool for message sending. |
| * |
| * @author Filip Hanik |
| * @version 1.0 |
| */ |
| |
| public class MessageDispatch15Interceptor extends MessageDispatchInterceptor { |
| |
| protected AtomicLong currentSize = new AtomicLong(0); |
| protected ThreadPoolExecutor executor = null; |
| protected int maxThreads = 10; |
| protected int maxSpareThreads = 2; |
| protected long keepAliveTime = 5000; |
| protected LinkedBlockingQueue<Runnable> runnablequeue = new LinkedBlockingQueue<Runnable>(); |
| |
| public long getCurrentSize() { |
| return currentSize.get(); |
| } |
| |
| public long addAndGetCurrentSize(long inc) { |
| return currentSize.addAndGet(inc); |
| } |
| |
| public long setAndGetCurrentSize(long value) { |
| currentSize.set(value); |
| return value; |
| } |
| |
| public boolean addToQueue(ChannelMessage msg, Member[] destination, InterceptorPayload payload) { |
| final LinkObject obj = new LinkObject(msg,destination,payload); |
| Runnable r = new Runnable() { |
| public void run() { |
| sendAsyncData(obj); |
| } |
| }; |
| executor.execute(r); |
| return true; |
| } |
| |
| public LinkObject removeFromQueue() { |
| return null; //not used, thread pool contains its own queue. |
| } |
| |
| public void startQueue() { |
| if ( run ) return; |
| executor = new ThreadPoolExecutor(maxSpareThreads,maxThreads,keepAliveTime,TimeUnit.MILLISECONDS,runnablequeue); |
| run = true; |
| } |
| |
| public void stopQueue() { |
| run = false; |
| executor.shutdownNow(); |
| setAndGetCurrentSize(0); |
| runnablequeue.clear(); |
| } |
| |
| public long getKeepAliveTime() { |
| return keepAliveTime; |
| } |
| |
| public int getMaxSpareThreads() { |
| return maxSpareThreads; |
| } |
| |
| public int getMaxThreads() { |
| return maxThreads; |
| } |
| |
| public void setKeepAliveTime(long keepAliveTime) { |
| this.keepAliveTime = keepAliveTime; |
| } |
| |
| public void setMaxSpareThreads(int maxSpareThreads) { |
| this.maxSpareThreads = maxSpareThreads; |
| } |
| |
| public void setMaxThreads(int maxThreads) { |
| this.maxThreads = maxThreads; |
| } |
| |
| } |