griffon.plugins.tasks

Interface TaskListener

All Superinterfaces:

EventListener

All Known Implementing Classes:

TaskListenerAdapter

public interface TaskListener
extends EventListener

Listener receives events about execution of a task. All methods are invoked on the UI thread.

Since:

20.07.11 00:22

Author:

Eike Kettner

Method Summary

Modifier and Type	Method and Description
void	phaseChanged(ChangeEvent<String> event) Receives notifications about phase changes of a task.
void	progressChanged(ChangeEvent<Integer> event) Receives notifications about the current progress of a task.
void	stateChanged(ChangeEvent<Task.State> event) Receives notifications about state change for a task.

Method Detail

stateChanged

void stateChanged(ChangeEvent<Task.State> event)

Receives notifications about state change for a task. There are 3 events possible in a task's life cycle

1. null to pending
indicates, that a brand new task has just been created.
2. pending to started indicates, that the task has just been executed and is now running
3. from started state, three different final events are possible:
• done indicates successful termination of the task
• cancelled indicates that the task has been cancelled explicitly.
• failed indicates that the task has been failed due to an exception.

Parameters:

event -

progressChanged

void progressChanged(ChangeEvent<Integer> event)

Receives notifications about the current progress of a task. The progress values are normalized and values are [0, 100].

Parameters:

event -

phaseChanged

void phaseChanged(ChangeEvent<String> event)

Receives notifications about phase changes of a task. A task can set information messages about sub-steps taken, which is called a phase.

Parameters:

event -