org.eclipse.viatra.transformation.evm.api.event.adapter

Class EventProcessorAdapter<EventAtom>

java.lang.Object

org.eclipse.viatra.transformation.evm.api.event.adapter.EventProcessorAdapter<EventAtom>

public abstract class EventProcessorAdapter<EventAtom>
extends java.lang.Object

This class is the common supertype for default event processors in an event handler.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	EventProcessorAdapter(RuleInstance<EventAtom> instance)

Method Summary

Modifier and Type	Method and Description
protected abstract void	activationExists(Event<EventAtom> event, Activation<EventAtom> activation) This method is called by findActivationForAtom if the activation already exists for the given atom.
protected abstract void	activationMissing(Event<EventAtom> event) This method is called by findActivationForAtom if the activation does not exists for the given atom.
protected RuleInstance<EventAtom>	getInstance()
void	processEvent(Event<EventAtom> event) This method is called with the atom corresponding to the activation that is affected by the event.

Methods inherited from class java.lang.Object

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

Constructor Detail

EventProcessorAdapter

protected EventProcessorAdapter(RuleInstance<EventAtom> instance)

Method Detail

processEvent

public void processEvent(Event<EventAtom> event)

This method is called with the atom corresponding to the activation that is affected by the event. If the Activation exists, activationExists(Event, Activation) is called with the Activation object, otherwise activationMissing(Event) with the atom object.

Parameters:

event -

activationExists

protected abstract void activationExists(Event<EventAtom> event,
                                         Activation<EventAtom> activation)

This method is called by findActivationForAtom if the activation already exists for the given atom.

Parameters:

activation -

activationMissing

protected abstract void activationMissing(Event<EventAtom> event)

This method is called by findActivationForAtom if the activation does not exists for the given atom.

Parameters:

atom -

getInstance

protected RuleInstance<EventAtom> getInstance()