CADI.Proxy.Core
Class ProxyMutex

java.lang.Object
  CADI.Proxy.Core.ProxyMutex

public class ProxyMutex
extends java.lang.Object

This class implements a mutex used to control when the threads that are attending to a client request are busy. Therefore, while some thread is is attending to a client, the proxy prefetching must be sleeping, and only will be awoken when threre not exist any client's request waiting.

Usage example:
setLock
releaseLock

Version:

1.0 2009/10/13

Author:

Group on Interactive Coding of Images (GICI)

Field Summary

private int	averageLocks
private int	numLocks Indicates the number of threads that are responding to client's requests
private StopWatch	stopWatch
private int	tmpLocks

Constructor Summary

ProxyMutex()

Method Summary

int	getLockAverage()
boolean	isRealeasedLock()
void	list(java.io.PrintStream out) Prints this Proxy Mutex out to the specified output stream.
void	releaseLock()
void	resetAverage()
void	setLock()
void	startLockAverage()
void	stopLockAverage()
java.lang.String	toString()
void	waitReleaseLock()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

numLocks

private volatile int numLocks

Indicates the number of threads that are responding to client's requests

stopWatch

private StopWatch stopWatch

tmpLocks

private int tmpLocks

averageLocks

private int averageLocks

Constructor Detail

ProxyMutex

public ProxyMutex()

Method Detail

setLock

public void setLock()

releaseLock

public void releaseLock()

waitReleaseLock

public void waitReleaseLock()
                     throws java.lang.InterruptedException

Throws:

java.lang.InterruptedException

isRealeasedLock

public boolean isRealeasedLock()

startLockAverage

public void startLockAverage()

stopLockAverage

public void stopLockAverage()

resetAverage

public void resetAverage()

getLockAverage

public int getLockAverage()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

list

public void list(java.io.PrintStream out)

Prints this Proxy Mutex out to the specified output stream. This method is useful for debugging.

Parameters:

out - an output stream.