simconnectioncontext.java

来自「本人历尽千辛万苦找的clustream中的jar包」· Java 代码 · 共 84 行

package org.osu.ogsa.stream.util;
import java.rmi.Remote;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class SimConnectionContext extends Object{


	public String senderHostName = null;
	public int senderPort = -1;

	public String rcverHostName = null;
	public int rcverPort = -1;

	public String strId = null;

	public int iStep = -1;
	public int ioBufferIndex = -1;

	// the following parameters for monitor service
	public int in_or_out = -1;
	public boolean bValid;
	public MonitorNotification monitor = null;
	public java.rmi.Remote monitorPortType = null;
	public String strNeighborMonitorHandle = null; //as an Index 
	public int nCorrespondingStage = -1;
	public int nCorrespondingPlacement = -1;
	private int numNotifications = 0;
	private boolean bTaskThreadWaken = false;
        private static Log log = LogFactory.getLog(SimConnectionContext.class.getName());

	public SimConnectionContext(String strNeighborMonitorHandle,  int nStage, int nPlacement, java.rmi.Remote porttype, MonitorNotification monitor, int  in_or_out)
	{
		this.strNeighborMonitorHandle = strNeighborMonitorHandle;
//		this.monitor = monitor;
		this.in_or_out = in_or_out;
		nCorrespondingStage = nStage;
		nCorrespondingPlacement = nPlacement;
		this.monitor = monitor;
		monitorPortType = porttype;
		bValid = true;
	}

	public SimConnectionContext()
	{
		bValid = true;
	}
	public synchronized void resetNumofNotifications()
	{
		numNotifications = 0;
	}
	public synchronized void wakeupThread()
	{
		try{
			log.debug("waking the sleeping ResMonitorTask to check bottlenecks");
			numNotifications ++;
			if(!bTaskThreadWaken )
				notify();
		}
		catch(Exception e)
		{
			log.error(e);
		}
	}

	public synchronized void taskThreadWaken()
	{
		bTaskThreadWaken = true;
	}

	public synchronized void taskThreadSleeping()
	{
		bTaskThreadWaken = false;
	}

	public synchronized boolean isBufOverloaded()
	{
		if(numNotifications > 0)
			return true;
		else
			return false;
	}
}