Package org.optaplanner.core.api.domain.variable

Interface VariableListener<Solution_,Entity_>

Type Parameters:

Solution_ - the solution type, the class with the PlanningSolution annotation

Entity_ -

All Superinterfaces:

AbstractVariableListener<Solution_,Entity_>, AutoCloseable, Closeable

All Known Subinterfaces:

CustomShadowVariable.NullVariableListener

All Known Implementing Classes:

AnchorVariableListener, CollectionInverseVariableListener, ExternalizedAnchorVariableSupply, ExternalizedCollectionInverseVariableSupply, ExternalizedSingletonInverseVariableSupply, SingletonInverseVariableListener

public interface VariableListener<Solution_,Entity_>
extends AbstractVariableListener<Solution_,Entity_>

A listener sourced on a basic PlanningVariable.

Method Summary

Modifier and Type	Method	Description
void	afterVariableChanged(ScoreDirector<Solution_> scoreDirector, Entity_ entity)
void	beforeVariableChanged(ScoreDirector<Solution_> scoreDirector, Entity_ entity)

Methods inherited from interface org.optaplanner.core.api.domain.variable.AbstractVariableListener

afterEntityAdded, afterEntityRemoved, beforeEntityAdded, beforeEntityRemoved, close, requiresUniqueEntityEvents, resetWorkingSolution

Method Detail

beforeVariableChanged

void beforeVariableChanged(ScoreDirector<Solution_> scoreDirector,
                           Entity_ entity)

Parameters:

scoreDirector - never null

entity - never null

afterVariableChanged

void afterVariableChanged(ScoreDirector<Solution_> scoreDirector,
                          Entity_ entity)

Parameters:

scoreDirector - never null

entity - never null