org.gcube.vremanagement.executor.stubs
Class TaskMonitor

java.lang.Object
  org.gcube.vremanagement.executor.stubs.TaskMonitor

All Implemented Interfaces:

org.globus.wsrf.NotifyCallback

public abstract class TaskMonitor
extends Object
implements org.globus.wsrf.NotifyCallback

A monitor of tasks in execution.

Author:

Fabio Simeoni (University of Strathclyde)

Nested Class Summary

static class

TaskMonitor.TaskTopic Topics relative to task execution.

Constructor Summary

TaskMonitor(TaskMonitor.TaskTopic... topics)
Creates a monitor for one more TaskTopics.

Method Summary

void	deliver(List topicPath, org.apache.axis.message.addressing.EndpointReferenceType producer, Object message)
List<TaskMonitor.TaskTopic>	getTopics() Returns the monitor's topics.
protected void	onOutputChange(TaskProxy proxy) Callback on output change.
protected void	onStateChange(TaskProxy proxy) Callback on state change.
protected void	subscribe(org.apache.axis.message.addressing.EndpointReferenceType epr) Subscribes monitor with remote task.

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskMonitor

public TaskMonitor(TaskMonitor.TaskTopic... topics)

Creates a monitor for one more TaskTopics.

Parameters:

topics - (optional) the topics (all by default).

Method Detail

getTopics

public List<TaskMonitor.TaskTopic> getTopics()

Returns the monitor's topics.

Returns:

the topics.

subscribe

protected void subscribe(org.apache.axis.message.addressing.EndpointReferenceType epr)
                  throws Exception

Subscribes monitor with remote task.

Throws:

Exception - if the monitor could not be subscribed.

deliver

public void deliver(List topicPath,
                    org.apache.axis.message.addressing.EndpointReferenceType producer,
                    Object message)

Specified by:

deliver in interface org.globus.wsrf.NotifyCallback

onStateChange

protected void onStateChange(TaskProxy proxy)
                      throws Exception

Callback on state change.

Parameters:

proxy - a TaskProxy.

Throws:

Exception

onOutputChange

protected void onOutputChange(TaskProxy proxy)
                       throws Exception

Callback on output change.

Parameters:

proxy - a TaskProxy.

Throws:

Exception