aa.tool
Class SystemThread

java.lang.Object
  java.lang.Thread
      aa.tool.SystemThread

All Implemented Interfaces:

java.lang.Runnable

Direct Known Subclasses:

MessageManager, MigrationManager, Platform, TransportSender

public abstract class SystemThread

extends java.lang.Thread

This class includes fundamental behavior of System Actors

History:

• February 19, 2004 - version 0.0.4
  • do minor modification.
• May 9, 2003 - version 0.0.2
  • modify internal comments.
• May 22, 2001 - version 0.0.1
  • create this file.

Version:

$Date: 2008/01/01 00:23:57 $ $Revision: 1.1 $

Author:

Myeong-Wuk Jang

Field Summary

private Queue

m_qMsgQueue In-coming message queue

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

SystemThread()
Cretes a system thread instance.

Method Summary

void	deliverMessage(ActorMessage p_amMsg) Inserts a message into the in-coming mail queue of this actor, and wake up sleeping actors.
protected abstract void	init() Processes some necessay routines before entering the while loop in the run method.
protected abstract void	processMessage(ActorMessage p_amMsg) Processes a communication message.
void	run() Invoked when this thread is executed.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, 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

m_qMsgQueue

private Queue m_qMsgQueue

In-coming message queue

Constructor Detail

SystemThread

public SystemThread()

Cretes a system thread instance.

Method Detail

run

public void run()

Invoked when this thread is executed.

init

protected abstract void init()

Processes some necessay routines before entering the while loop in the run method.
This is an abstract method, and hence, the body part of this method should be implemented by its sub-class.

processMessage

protected abstract void processMessage(ActorMessage p_amMsg)

Processes a communication message.
This is an abstract method, and hence, the body part of this method should be implemented by its sub-class.

Parameters:

p_amMsg - an actor communication message to be processed.

deliverMessage

public void deliverMessage(ActorMessage p_amMsg)

Inserts a message into the in-coming mail queue of this actor, and wake up sleeping actors.

Parameters:

p_amMsg - an actor communication message to be delivered to this actor.