resmonitortaskarray.java

来自「本人历尽千辛万苦找的clustream中的jar包」· Java 代码 · 共 83 行

package org.osu.ogsa.stream.util;

import java.io.*;
import java.nio.*;
import java.nio.channels.*;
import java.nio.channels.spi.*;
import java.nio.charset.*;
import java.net.*;
import java.util.*;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

//I should change inArray to HashTable class if I have a spare!!!!
public class ResMonitorTaskArray 
{
	private static Log log = LogFactory.getLog(ResMonitorTaskArray.class.getName());
//	private ResMonitorTask []taskArray = new ResMonitorTask[DefConstants.MAX_NUM_OUT_BUFFER];
	private Hashtable hashTasks = null;
	private MonitorNotification monitor = null;

	public void wakeupMonitorTask(String strNeighborHandle)
	{
	}

	public void haltMonitorTask(String strNeighborMonitorHandle)
	{
		ResMonitorTask resMonitor; 
		if(hashTasks.containsKey(strNeighborMonitorHandle))
		{
			resMonitor = (ResMonitorTask)(hashTasks.get(strNeighborMonitorHandle));
			resMonitor.halt();
		}
	}


	public int howmanyTasks()
	{
		return hashTasks.size();
	}


	public ResMonitorTaskArray(MonitorNotification monNot)
	{
		hashTasks = new Hashtable(DefConstants.MAX_NUM_OUT_BUFFER);
		monitor = monNot;
	} 

	public ResMonitorTask addMonitorTask(SimConnectionContext context)
	{
		if(context == null)
		{
			log.error("the connect context can't be null");
			return null;
		}

		if(context.strNeighborMonitorHandle == null)
		{
			log.warn("have to set the values of the moniotr neighbor's handle");
			return null;
		}

		if(hashTasks.containsKey(context.strNeighborMonitorHandle))
			return (ResMonitorTask)(hashTasks.get(context.strNeighborMonitorHandle));


		ResMonitorTask task = new ResMonitorTask();

		//Setup the connection context, and pass
		//the context object to task
		context.monitor = this.monitor;
		task.setConnectionContext(context);

		hashTasks.put(context.strNeighborMonitorHandle, (Object)task);

		/////////////////////////////////////
		//Note: after start(), a thread will be generated automatically
		task.start();

		return task;
	}
}