org.eclipse.incquery.runtime.evm.api.resolver

Interface ChangeableConflictSet

All Superinterfaces:

ConflictSet

All Known Implementing Classes:

ArbitraryOrderConflictResolver.ArbitraryConflictSet, ComparingConflictResolver.ComparingConflictSet, FixedPriorityConflictSet, HashSetBasedConflictSetImpl, InvertedDisappearancePriorityConflictResolver.InvertedDisappearancePriorityConflictSet, LifoConflictResolver.LifoConflictSet, RandomAccessConflictSetImpl

public interface ChangeableConflictSet
extends ConflictSet

A conflict set is responsible for managing and ordering the set of enabled activations.

Author:

Abel Hegedus

Method Summary

Modifier and Type	Method and Description
boolean	addActivation(Activation<?> activation) This method is called by the Agenda when an activation changes state and becomes or is still enabled.
boolean	removeActivation(Activation<?> activation) This method is called by the Agenda when an activation changes state and becomes or is still disabled.

Methods inherited from interface org.eclipse.incquery.runtime.evm.api.resolver.ConflictSet

getConflictingActivations, getConflictResolver, getNextActivation, getNextActivations

Method Detail

addActivation

boolean addActivation(Activation<?> activation)

This method is called by the Agenda when an activation changes state and becomes or is still enabled.

NOTE: The ChangeableConflictSet is responsible for handling that add may be called multiple times on an Activation already in the conflict set!

Parameters:

activation - the activation that should be added to the conflict set

Returns:

true, if the conflict set changed

removeActivation

boolean removeActivation(Activation<?> activation)

This method is called by the Agenda when an activation changes state and becomes or is still disabled.

NOTE: The ChangeableConflictSet is responsible for handling that remove may be called on Activations that are not in the conflict set!

Parameters:

activation - the activation that should be removed from the conflict set

Returns:

true, if the conflict set changed