systeminformationmonitor.system
Class AbstractSystemUpdater

java.lang.Object
  java.lang.Thread
      systeminformationmonitor.system.AbstractSystemUpdater

All Implemented Interfaces:

java.lang.Runnable

Direct Known Subclasses:

CpuInformation, CpuProcess, IOInformation, Memory, NetInterface, NetStat, OSInformation, Process, TCPStat, Uptime

public abstract class AbstractSystemUpdater
extends java.lang.Thread

Abstract class that define the behavior of each system resource updater. All system resource related class need to extend this class if it needs to be called by the SystemInformationGather.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

protected org.hyperic.sigar.SigarProxy	sigar
protected java.util.concurrent.locks.Lock	threadLock

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

AbstractSystemUpdater()

Method Summary

void	done() Finish and clean up
void	prepare() Prepare the system related resource
void	run()
abstract void	update() Update the UI

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

threadLock

protected final java.util.concurrent.locks.Lock threadLock

sigar

protected org.hyperic.sigar.SigarProxy sigar

Constructor Detail

AbstractSystemUpdater

public AbstractSystemUpdater()

Method Detail

prepare

public void prepare()

Prepare the system related resource

update

public abstract void update()

Update the UI

done

public void done()

Finish and clean up

run

public final void run()

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread