org.jgap.distr

Class Worker

java.lang.Object

org.jgap.distr.Worker

All Implemented Interfaces:

IWorker

public class Worker
extends java.lang.Object
implements IWorker

Worker implementation. A worker receives commands from an IMaster instance and returns results to the master. A worker can receive commands even when it is working but it can only work on one task at a time.

Since:

2.4

Constructor Summary

Constructors

Constructor and Description
Worker(java.lang.String a_displayName, MasterInfo a_master, MasterListener a_masterListener) Construct the worker and tell him who his master is.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getDisplayName()
java.lang.Object	getStatus()
java.lang.Object	pause() Forces the worker to pause its work (can be resumed)
java.lang.Object	resume() Forces the worker to resume a paused work
java.lang.Object	sendCommand(WorkerCommand a_command) Lets a server send a command to process to the worker
java.lang.Object	stop() Forces the worker to stop its work (cannot be resumed)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Worker

public Worker(java.lang.String a_displayName,
              MasterInfo a_master,
              MasterListener a_masterListener)

Construct the worker and tell him who his master is.

Parameters:

a_displayName - name for imformative purpose

a_master - the master of this worker

a_masterListener - listener for requests from master

Since:

2.4

Method Detail

getDisplayName

public java.lang.String getDisplayName()

Specified by:

getDisplayName in interface IWorker

Returns:

display name of the worker

Since:

2.4

sendCommand

public java.lang.Object sendCommand(WorkerCommand a_command)

Lets a server send a command to process to the worker

Specified by:

sendCommand in interface IWorker

Parameters:

a_command - the command to process

Returns:

status message

Since:

2.4

getStatus

public java.lang.Object getStatus()

Specified by:

getStatus in interface IWorker

Returns:

current status of the entity

Since:

2.4

pause

public java.lang.Object pause()

Forces the worker to pause its work (can be resumed)

Specified by:

pause in interface IWorker

Returns:

status message

Since:

2.4

stop

public java.lang.Object stop()

Forces the worker to stop its work (cannot be resumed)

Specified by:

stop in interface IWorker

Returns:

status message

Since:

2.4

resume

public java.lang.Object resume()

Forces the worker to resume a paused work

Specified by:

resume in interface IWorker

Returns:

status message

Since:

2.4