org.globus.cog.gridface.impl.gcm
Class GridCommandManagerImpl

java.lang.Object
  org.globus.cog.gridface.impl.gcm.GridCommandManagerImpl

All Implemented Interfaces:

AccessDesktop, GridCommandManager

public class GridCommandManagerImpl

extends Object

implements GridCommandManager

GridCommandManager accepts commands from GridFace GUIs and executes tasks for each command

Constructor Summary

GridCommandManagerImpl()

GridCommandManagerImpl(File xmlFile)

Method Summary

void	addStatusListener(StatusListener listener) Add status listener to changes in GCM's taskgraph
boolean	cancel(Identity id) cancel the command with given id.
boolean	cancel(String idString) Cancel the command that has the given id
Identity	execute(GridCommand command, boolean inBackground) Obtain task from command and submit
Identity	execute(GridCommand command, boolean inBackground, Enumeration idList) Obtain task from command, add dependancies and submit
Enumeration	getActiveCommands() Return a list of all commands with status as ACTIVE
Enumeration	getAllCommands() Return a list of all commands submitted to GCM
Enumeration	getCanceledCommands() Return a list of all commands with status as CANCELED
Enumeration	getCompletedCommands() Return a list of all commands with status as COMPLETED
CoGTop	getDesktop()
Enumeration	getFailedCommands() Return a list of all commands with status as FAILED
Scheduler	getScheduler() Return scheduler used by GCM.
Status	getStatus(Identity id) get status of the given command
Status	getStatus(String id) Get the status of the given command
Enumeration	getSubmittedCommands() Return a list of all commands with status as SUBMITTED
Enumeration	getSuspendedCommands() Return a list of all commands with status as SUSPENDED
Enumeration	getUnsubmittedCommands() Return a list of all commands with status as UNSUBMITTED
void	removeStatusListener(StatusListener listener) Remove status listener for GCM
boolean	resume(Identity id) Resume the command that has the given id,
void	setDesktop(CoGTop desktop)
void	setPriorities(long id, int priority) set priority to execute the given command
void	setScheduler(Scheduler scheduler) assign a scheduler for executin jobs submitted to gcm
void	submit(ExecutableObject executable)
boolean	suspend(Identity id) Syspend the command that has the given id,
void	toXML(String fileName) Save the state of GCM into an XML file

Methods inherited from class java.lang.Object

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

Constructor Detail

GridCommandManagerImpl

public GridCommandManagerImpl()
                       throws Exception

GridCommandManagerImpl

public GridCommandManagerImpl(File xmlFile)
                       throws Exception

Method Detail

execute

public Identity execute(GridCommand command,
                        boolean inBackground,
                        Enumeration idList)
                 throws Exception

Obtain task from command, add dependancies and submit

Specified by:

execute in interface GridCommandManager

Throws:

Exception

execute

public Identity execute(GridCommand command,
                        boolean inBackground)
                 throws Exception

Obtain task from command and submit

Specified by:

execute in interface GridCommandManager

Throws:

Exception

submit

public void submit(ExecutableObject executable)
            throws Exception

Throws:

Exception

getStatus

public Status getStatus(String id)

Description copied from interface: GridCommandManager

Get the status of the given command

Specified by:

getStatus in interface GridCommandManager

getStatus

public Status getStatus(Identity id)

get status of the given command

Specified by:

getStatus in interface GridCommandManager

getDesktop

public CoGTop getDesktop()

Specified by:

getDesktop in interface AccessDesktop

setDesktop

public void setDesktop(CoGTop desktop)

Specified by:

setDesktop in interface AccessDesktop

cancel

public boolean cancel(String idString)
               throws Exception

Description copied from interface: GridCommandManager

Cancel the command that has the given id

Specified by:

cancel in interface GridCommandManager

Throws:

Exception

cancel

public boolean cancel(Identity id)
               throws Exception

cancel the command with given id. Returns true if command has been canceled sucessfully.

Specified by:

cancel in interface GridCommandManager

Throws:

Exception

suspend

public boolean suspend(Identity id)
                throws Exception

Description copied from interface: GridCommandManager

Syspend the command that has the given id,

Specified by:

suspend in interface GridCommandManager

Throws:

Exception

resume

public boolean resume(Identity id)
               throws Exception

Description copied from interface: GridCommandManager

Resume the command that has the given id,

Specified by:

resume in interface GridCommandManager

Throws:

Exception

getAllCommands

public Enumeration getAllCommands()

Return a list of all commands submitted to GCM

Specified by:

getAllCommands in interface GridCommandManager

getUnsubmittedCommands

public Enumeration getUnsubmittedCommands()

Return a list of all commands with status as UNSUBMITTED

Specified by:

getUnsubmittedCommands in interface GridCommandManager

getSubmittedCommands

public Enumeration getSubmittedCommands()

Return a list of all commands with status as SUBMITTED

Specified by:

getSubmittedCommands in interface GridCommandManager

getActiveCommands

public Enumeration getActiveCommands()

Return a list of all commands with status as ACTIVE

Specified by:

getActiveCommands in interface GridCommandManager

getFailedCommands

public Enumeration getFailedCommands()

Return a list of all commands with status as FAILED

Specified by:

getFailedCommands in interface GridCommandManager

getCompletedCommands

public Enumeration getCompletedCommands()

Return a list of all commands with status as COMPLETED

Specified by:

getCompletedCommands in interface GridCommandManager

getSuspendedCommands

public Enumeration getSuspendedCommands()

Return a list of all commands with status as SUSPENDED

Specified by:

getSuspendedCommands in interface GridCommandManager

getCanceledCommands

public Enumeration getCanceledCommands()

Return a list of all commands with status as CANCELED

Specified by:

getCanceledCommands in interface GridCommandManager

setPriorities

public void setPriorities(long id,
                          int priority)

set priority to execute the given command

Specified by:

setPriorities in interface GridCommandManager

setScheduler

public void setScheduler(Scheduler scheduler)

assign a scheduler for executin jobs submitted to gcm

Specified by:

setScheduler in interface GridCommandManager

getScheduler

public Scheduler getScheduler()

Return scheduler used by GCM. Default scheduler is FIFO

Specified by:

getScheduler in interface GridCommandManager

toXML

public void toXML(String fileName)
           throws Exception

Save the state of GCM into an XML file

Specified by:

toXML in interface GridCommandManager

Throws:

Exception

addStatusListener

public void addStatusListener(StatusListener listener)

Add status listener to changes in GCM's taskgraph

Specified by:

addStatusListener in interface GridCommandManager

removeStatusListener

public void removeStatusListener(StatusListener listener)

Remove status listener for GCM

Specified by:

removeStatusListener in interface GridCommandManager