org.eclipse.viatra.transformation.evm.update

Class UpdateCompleteProvider

java.lang.Object

org.eclipse.viatra.transformation.evm.update.UpdateCompleteProvider

All Implemented Interfaces:

IUpdateCompleteProvider

Direct Known Subclasses:

IQBaseCallbackUpdateCompleteProvider, QueryEngineUpdateCompleteProvider, TransactionUpdateCompleteProvider

public abstract class UpdateCompleteProvider
extends java.lang.Object
implements IUpdateCompleteProvider

This abstract implementation allows the registration of listeners and calls them when an update complete event occurs. The class is abstract since there is no definition of the actual update complete event.

Constructor Summary

Constructors

Constructor and Description
UpdateCompleteProvider()

Method Summary

Modifier and Type	Method and Description
boolean	addUpdateCompleteListener(IUpdateCompleteListener listener, boolean fireNow) Registers an IUpdateCompleteListener to receive notification on completed updates.
void	dispose() Disposes of the provider by clearing the listener list
protected void	firstListenerAdded()
protected void	lastListenerRemoved()
boolean	removeUpdateCompleteListener(IUpdateCompleteListener listener) Unregisters a listener registered by IUpdateCompleteProvider.addUpdateCompleteListener(IUpdateCompleteListener, boolean).
protected void	updateCompleted() Notifies each listener that an update complete event occurred.

Methods inherited from class java.lang.Object

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

Constructor Detail

UpdateCompleteProvider

public UpdateCompleteProvider()

Method Detail

addUpdateCompleteListener

public boolean addUpdateCompleteListener(IUpdateCompleteListener listener,
                                         boolean fireNow)

Description copied from interface: IUpdateCompleteProvider

Registers an IUpdateCompleteListener to receive notification on completed updates.

The listener can be unregistered via IUpdateCompleteProvider.removeUpdateCompleteListener(IUpdateCompleteListener).

Specified by:

addUpdateCompleteListener in interface IUpdateCompleteProvider

Parameters:

listener - the listener that will be notified of each completed update

fireNow - if true, listener will be immediately invoked without waiting for the next update

firstListenerAdded

protected void firstListenerAdded()

lastListenerRemoved

protected void lastListenerRemoved()

removeUpdateCompleteListener

public boolean removeUpdateCompleteListener(IUpdateCompleteListener listener)

Description copied from interface: IUpdateCompleteProvider

Unregisters a listener registered by IUpdateCompleteProvider.addUpdateCompleteListener(IUpdateCompleteListener, boolean).

Specified by:

removeUpdateCompleteListener in interface IUpdateCompleteProvider

Parameters:

listener - the listener that will no longer be notified.

updateCompleted

protected void updateCompleted()

Notifies each listener that an update complete event occurred.

dispose

public void dispose()

Disposes of the provider by clearing the listener list