org.globus.cog.karajan
Class KarajanWorkflow

java.lang.Object
  org.globus.cog.karajan.KarajanWorkflow

public class KarajanWorkflow
extends Object

A basic interface to embedding workflows from Java

Constructor Summary

KarajanWorkflow()
Default constructor

Method Summary

Throwable	getFailure() Get the throwable that caused the workflow to fail.
boolean	isDone() Checks if the workflow has finished executing
boolean	isFailed() Check if the workflow has failed
void	setSpecification(File spec) Sets and parses the workflow contained in the given file
void	setSpecification(String spec) Sets and parses the workflow contained in the given argument
void	start() Starts the workflow
void	waitFor() Waits for the workflow to finish

Methods inherited from class java.lang.Object

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

Constructor Detail

KarajanWorkflow

public KarajanWorkflow()

Default constructor

Method Detail

setSpecification

public void setSpecification(String spec)
                      throws SpecificationException

Sets and parses the workflow contained in the given argument

Throws:

SpecificationException - if there is something wrong with the specification

setSpecification

public void setSpecification(File spec)
                      throws SpecificationException,
                             IOException

Sets and parses the workflow contained in the given file

Throws:

IOException - if an error occurs while reading the file

SpecificationException - if there is something wrong with the specification

start

public void start()
           throws IllegalStateException,
                  SpecificationException

Starts the workflow

Throws:

SpecificationException - if no specification was set

IllegaleStateException - if this workflow was started before

IllegalStateException

waitFor

public void waitFor()
             throws IllegalStateException,
                    InterruptedException

Waits for the workflow to finish

Throws:

IllegalStateException - if the workflow was never started

InterruptedException

isDone

public boolean isDone()

Checks if the workflow has finished executing

isFailed

public boolean isFailed()

Check if the workflow has failed

getFailure

public Throwable getFailure()

Get the throwable that caused the workflow to fail. Returns null if the workflow has not failed