Interface AbstractVariableListener<Solution_,Entity_>
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- Type Parameters:
Solution_
- the solution type, the class with thePlanningSolution
annotationEntity_
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- All Superinterfaces:
AutoCloseable
,Closeable
- All Known Subinterfaces:
CustomShadowVariable.NullVariableListener
,ListVariableListener<Solution_,Entity_,Element_>
,SourcedVariableListener<Solution_>
,VariableListener<Solution_,Entity_>
- All Known Implementing Classes:
AnchorVariableListener
,CollectionInverseVariableListener
,ExternalizedAnchorVariableSupply
,ExternalizedCollectionInverseVariableSupply
,ExternalizedIndexVariableSupply
,ExternalizedSingletonInverseVariableSupply
,ExternalizedSingletonListInverseVariableSupply
,IndexVariableListener
,NextElementVariableListener
,PreviousElementVariableListener
,SingletonInverseVariableListener
,SingletonListInverseVariableListener
public interface AbstractVariableListener<Solution_,Entity_> extends Closeable
Common ancestor for specialized planning variable listeners.Do not implement this interface directly. Implement either
VariableListener
orListVariableListener
.- See Also:
VariableListener
,ListVariableListener
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Method Summary
All Methods Instance Methods Abstract Methods Default Methods Modifier and Type Method Description void
afterEntityAdded(ScoreDirector<Solution_> scoreDirector, Entity_ entity)
void
afterEntityRemoved(ScoreDirector<Solution_> scoreDirector, Entity_ entity)
void
beforeEntityAdded(ScoreDirector<Solution_> scoreDirector, Entity_ entity)
void
beforeEntityRemoved(ScoreDirector<Solution_> scoreDirector, Entity_ entity)
default void
close()
Called before thisAbstractVariableListener
is thrown away and not used anymore.default void
resetWorkingSolution(ScoreDirector<Solution_> scoreDirector)
Called when the entire working solution changes.
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Method Detail
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beforeEntityAdded
void beforeEntityAdded(ScoreDirector<Solution_> scoreDirector, Entity_ entity)
- Parameters:
scoreDirector
- never nullentity
- never null
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afterEntityAdded
void afterEntityAdded(ScoreDirector<Solution_> scoreDirector, Entity_ entity)
- Parameters:
scoreDirector
- never nullentity
- never null
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beforeEntityRemoved
void beforeEntityRemoved(ScoreDirector<Solution_> scoreDirector, Entity_ entity)
- Parameters:
scoreDirector
- never nullentity
- never null
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afterEntityRemoved
void afterEntityRemoved(ScoreDirector<Solution_> scoreDirector, Entity_ entity)
- Parameters:
scoreDirector
- never nullentity
- never null
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resetWorkingSolution
default void resetWorkingSolution(ScoreDirector<Solution_> scoreDirector)
Called when the entire working solution changes. In this event, the other before..()/after...() methods will not be called. At this point, implementations should clear state, if any.- Parameters:
scoreDirector
- never null
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close
default void close()
Called before thisAbstractVariableListener
is thrown away and not used anymore.- Specified by:
close
in interfaceAutoCloseable
- Specified by:
close
in interfaceCloseable
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