Global.java

package org.voovan;

import org.voovan.tools.threadpool.ThreadPool;

import java.io.IOException;
import java.nio.channels.AsynchronousChannelGroup;
import java.util.concurrent.ThreadPoolExecutor;

/**
 * 全局对象
 *
 * @author helyho
 *
 * Voovan Framework.
 * WebSite: https://github.com/helyho/Voovan
 * Licence: Apache v2 License
 */
public class Global {

    private static ThreadPoolExecutor threadPool;

    private static AsynchronousChannelGroup asynchronousChannelGroup;

    /**
     * 返回公用线程池
     * @return 公用线程池
     */
    public synchronized static ThreadPoolExecutor getThreadPool(){
       if(threadPool==null || threadPool.isShutdown()){
           threadPool = ThreadPool.getNewThreadPool();
       }

       return threadPool;
    }

    public synchronized static AsynchronousChannelGroup getAsynchronousChannelGroup() throws IOException {
        if(asynchronousChannelGroup == null ){
            asynchronousChannelGroup = AsynchronousChannelGroup.withThreadPool(Global.getThreadPool());
        }
        return asynchronousChannelGroup;
    }
}