agentland.software
Class ExecAgent

java.lang.Object
  |
  +--java.rmi.server.RemoteObject
        |
        +--java.rmi.server.RemoteServer
              |
              +--java.rmi.server.UnicastRemoteObject
                    |
                    +--metaglue.AgentAgent
                          |
                          +--agentland.util.GoodAgent
                                |
                                +--agentland.resource.ManagedAgent
                                      |
                                      +--agentland.software.ExecAgent

Direct Known Subclasses:

LaureteAgent

public abstract class ExecAgent

extends ManagedAgent

implements Exec

Exec Agent The Intelligent Room/HAL Project MIT Artificial Intelligence Laboratory Cambridge, MA

See Also:

Serialized Form

Inner classes inherited from class metaglue.AgentAgent

AgentAgent.Attribute

Field Summary

protected Runtime	command
protected Process	process
protected int	startCount Number of times program has been started.

Fields inherited from class agentland.resource.ManagedAgent

rm, society

Fields inherited from class agentland.util.GoodAgent

alert, notifier

Fields inherited from class java.rmi.server.RemoteObject

ref

Fields inherited from interface metaglue.Agent

ALIVE, DIED, NO_METAGLUE, NOT_RUNNING, STARTING

Fields inherited from interface metaglue.Agent

ALIVE, DIED, NO_METAGLUE, NOT_RUNNING, STARTING

Constructor Summary

ExecAgent()
Tie to the proper machine, homie!

Method Summary

protected String	getCommand() Return the command to exec.
void	killProgram() Kill the program.
boolean	programAlive() Is program alive or dead?
protected void	programDied(boolean killed) This is called if the program has passed away.
void	startProgram() Start the program, unless it is already running.

Methods inherited from class agentland.resource.ManagedAgent

connect, getAlert, getNeed, reliesOn, reliesOn, replace, request, request, request, requestAgent, requestAgent, resources, resourcesByAgentID, setNeed, yank, yank, yank

Methods inherited from class agentland.util.GoodAgent

addSpy, addSpy, alert, alertString, beep, error, getHistory, getHistoryElement, getPersistentMap, log, notify, removeSpy, removeSpy, resetHistory, safeRely, safeRely, safeRely, setNiceLogName, tell

Methods inherited from class metaglue.AgentAgent

addMonitor, alive, defrost, defrostAll, defrostBoolean, defrostInt, defrostString, fixAttribute, fixAttribute, freeze, freeze, freeze, freezeAll, freezeVar, getAgentID, getAttribute, getCatalog, getCatalogID, getDesignation, getFrozenVariables, getLogLevel, getMetaglueAgent, getMetaglueAgentID, getOccupation, getProperties, getSociety, log, log, obtainMetaglueAgent, obtainMetaglueAgent, obtainMetaglueAgentByName, reliesOn, reliesOnSynch, removeFrozen, replaceExceptionHandler, setFreezeName, setLogLevel, setLogName, shutdown, startAgent, startAgentOn, startAgentOn, startup, status, tiedTo, tiedTo, tiedTo, tiedTo, tieToDesignation, whereAreYou

Methods inherited from class java.rmi.server.UnicastRemoteObject

clone, exportObject, exportObject, exportObject, unexportObject

Methods inherited from class java.rmi.server.RemoteServer

getClientHost, getLog, setLog

Methods inherited from class java.rmi.server.RemoteObject

equals, getRef, hashCode, toString, toStub

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

command

protected Runtime command

process

protected Process process

startCount

protected int startCount

Number of times program has been started.

Constructor Detail

ExecAgent

public ExecAgent()
          throws RemoteException

Tie to the proper machine, homie!

Method Detail

programAlive

public boolean programAlive()
                     throws RemoteException

Is program alive or dead?

Specified by:

programAlive in interface Exec

killProgram

public void killProgram()

Description copied from interface: Exec

Kill the program.

Specified by:

killProgram in interface Exec

programDied

protected void programDied(boolean killed)

This is called if the program has passed away.

Parameters:

killed - true if someone explicitly killed it via this agent.

startProgram

public void startProgram()
                  throws RemoteException

Start the program, unless it is already running.

Specified by:

startProgram in interface Exec

getCommand

protected String getCommand()

Return the command to exec. Can be overridden, currently checks for an attribute "command"