org.eclipse.incquery.runtime.evm.notification

Interface IActivationNotificationListener

All Known Implementing Classes:

ConflictSetUpdater

public interface IActivationNotificationListener

The interface is used to observe the changes in the collection of activations.

An implementing class is for example the RuleBase which is called back by the RuleInstance when those have updated the activations after an EMF operation.

Author:

Tamas Szabo

Method Summary

Modifier and Type	Method and Description
void	activationChanged(Activation<?> activation, ActivationState oldState, EventType event) This method is called by ActivationNotificationProvider to relay changes to listeners.
void	activationCreated(Activation<?> activation, ActivationState inactiveState)
void	activationRemoved(Activation<?> activation, ActivationState oldState)

Method Detail

activationChanged

void activationChanged(Activation<?> activation,
                       ActivationState oldState,
                       EventType event)

This method is called by ActivationNotificationProvider to relay changes to listeners.

Implementing classes can use the old state, the event, and the new state (available from the activation).

Parameters:

activation -

oldState -

event -

activationCreated

void activationCreated(Activation<?> activation,
                       ActivationState inactiveState)

activationRemoved

void activationRemoved(Activation<?> activation,
                       ActivationState oldState)