org.jlab.coda.emu.support.ui

Class EMUCommander.CommandHandler

java.lang.Object

org.jlab.coda.emu.support.ui.EMUCommander.CommandHandler

All Implemented Interfaces:

StatedObject, CommandAcceptor

Enclosing class:

EMUCommander

protected class EMUCommander.CommandHandler
extends java.lang.Object
implements CommandAcceptor

Defines code to execute depending on command used. In this case send out a cMsg message and update GUI.

Constructor Summary

Constructors

Constructor and Description
CommandHandler(java.lang.String subject)

Method Summary

Modifier and Type	Method and Description
java.lang.String	getError() Get any available error information.
void	postCommand(Command cmd) This method puts a command object into a mailbox of a CODA component that is periodically checked by that component.
CODAStateIF	state() Get the state of this object.

Methods inherited from class java.lang.Object

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

Constructor Detail

CommandHandler

CommandHandler(java.lang.String subject)

Method Detail

postCommand

public void postCommand(Command cmd)
                 throws java.lang.InterruptedException

Description copied from interface: CommandAcceptor

This method puts a command object into a mailbox of a CODA component that is periodically checked by that component.

Specified by:

postCommand in interface CommandAcceptor

Parameters:

cmd - of type Command (eg. start transition, control run variables, control session)

Throws:

java.lang.InterruptedException - if thread interrupted while in method.

state

public CODAStateIF state()

Description copied from interface: StatedObject

Get the state of this object.

Specified by:

state in interface StatedObject

Returns:

the state of this object

getError

public java.lang.String getError()

Get any available error information.

Specified by:

getError in interface StatedObject

Returns:

any available error information; null if none