com.zwares.base.monitor
Class PerformanceMonitor

java.lang.Object
  |
  +--java.util.TimerTask
        |
        +--com.zwares.base.monitor.PerformanceMonitor

All Implemented Interfaces:

java.lang.Runnable

public class PerformanceMonitor

extends java.util.TimerTask

This class is responsible for monitoring performance information.

Constructor Summary

PerformanceMonitor()
Default constructor, prints output to the diplay.

PerformanceMonitor(long timeInterval)
Constructs performance monitoring Object.

PerformanceMonitor(long timeInterval, java.lang.String outputFileName)
Constructs a performance monitoring object.

PerformanceMonitor(java.lang.String outputFileName)
Constructs a performance monitoring object.

Method Summary

void	finalize() Cleanup resources
void	run() Collect and store memory and Thread statstics.
void	stopMonitoring() Stop performance monitoring.
java.lang.String	toString() Returns the monitor statics as String.

Methods inherited from class java.util.TimerTask

cancel, scheduledExecutionTime

Methods inherited from class java.lang.Object

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

Constructor Detail

PerformanceMonitor

public PerformanceMonitor()

Default constructor, prints output to the diplay.

PerformanceMonitor

public PerformanceMonitor(long timeInterval)

Constructs performance monitoring Object. Prints output to the diplay.

Parameters:

timeInterval - time interval in seconds.

PerformanceMonitor

public PerformanceMonitor(java.lang.String outputFileName)

Constructs a performance monitoring object. Prints output to the file.

Parameters:

outputFileName - file name to write to.

PerformanceMonitor

public PerformanceMonitor(long timeInterval,
                          java.lang.String outputFileName)

Constructs a performance monitoring object. Prints output to the file.

Parameters:

outputFileName - file name to write to.

timeInterval - time interval in seconds.

Method Detail

run

public void run()

Collect and store memory and Thread statstics.

Specified by:

run in interface java.lang.Runnable

Specified by:

run in class java.util.TimerTask

stopMonitoring

public void stopMonitoring()

Stop performance monitoring.

finalize

public void finalize()

Cleanup resources

Overrides:

finalize in class java.lang.Object

toString

public java.lang.String toString()

Returns the monitor statics as String.

Overrides:

toString in class java.lang.Object