Package fr.ens.biologie.genomique.eoulsan.core.workflow

Class StepObserverRegistry

java.lang.Object

fr.ens.biologie.genomique.eoulsan.core.workflow.StepObserverRegistry

public class StepObserverRegistry
extends Object

This class allow to relay workflow step events to other observers. This class avoid storing observers WorkflowStep objects that are serialized.

Since:

2.0

Author:

Laurent Jourdren

Method Summary

Modifier and Type	Method	Description
void	addObserver(StepObserver observer)	Add a listener.
static StepObserverRegistry	getInstance()	Get the singleton instance of WorkflowStepObserverRegistry.
boolean	isNoObserverRegistered()	Test if observers has been registered
void	removeObserver(StepObserver observer)	Remove a listener.
void	stepStateEvent(fr.ens.biologie.genomique.eoulsan.core.workflow.StepStateEvent event)	Handle step state change events.
void	uiStepEvent(UIStepEvent event)	Handle UI step events.
void	uiTaskEvent(UITaskEvent event)	Handle UI task events.
void	uiWorkflowEvent(UIWorkflowEvent event)	Handle UI workflow events.

Methods inherited from class java.lang.Object

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

Method Details

addObserver

public void addObserver(StepObserver observer)

Add a listener.

Parameters:

observer - listener to add

removeObserver

public void removeObserver(StepObserver observer)

Remove a listener.

Parameters:

observer - listener to remove

isNoObserverRegistered

public boolean isNoObserverRegistered()

Test if observers has been registered

Returns:

true if observers has been registered

uiTaskEvent

public void uiTaskEvent(UITaskEvent event)

Handle UI task events.

Parameters:

event - the event to handle

stepStateEvent

public void stepStateEvent(fr.ens.biologie.genomique.eoulsan.core.workflow.StepStateEvent event)

Handle step state change events.

Parameters:

event - the event to handle

uiStepEvent

public void uiStepEvent(UIStepEvent event)

Handle UI step events.

Parameters:

event - the event to handle

uiWorkflowEvent

public void uiWorkflowEvent(UIWorkflowEvent event)

Handle UI workflow events.

Parameters:

event - the event to handle

getInstance

public static StepObserverRegistry getInstance()

Get the singleton instance of WorkflowStepObserverRegistry.

Returns:

the singleton instance of WorkflowStepObserverRegistry