Interface CompositeCollection.CollectionMutator<E>
- Type Parameters:
E- the element being held in the collection
- All Superinterfaces:
Serializable
- Enclosing class:
CompositeCollection<E>
Pluggable strategy to handle changes to the composite.
- Since:
- 3.0
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Method Summary
Modifier and TypeMethodDescriptionbooleanadd(CompositeCollection<E> composite, List<Collection<E>> collections, E obj) Called when an object is to be added to the composite.booleanaddAll(CompositeCollection<E> composite, List<Collection<E>> collections, Collection<? extends E> coll) Called when a collection is to be added to the composite.booleanremove(CompositeCollection<E> composite, List<Collection<E>> collections, Object obj) Called when an object is to be removed to the composite.
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Method Details
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add
Called when an object is to be added to the composite.- Parameters:
composite- the CompositeCollection being changedcollections- all of the Collection instances in this CompositeCollectionobj- the object being added- Returns:
- true if the collection is changed
- Throws:
UnsupportedOperationException- if add is unsupportedClassCastException- if the object cannot be added due to its typeNullPointerException- if the object cannot be added because its nullIllegalArgumentException- if the object cannot be added
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addAll
boolean addAll(CompositeCollection<E> composite, List<Collection<E>> collections, Collection<? extends E> coll) Called when a collection is to be added to the composite.- Parameters:
composite- the CompositeCollection being changedcollections- all of the Collection instances in this CompositeCollectioncoll- the collection being added- Returns:
- true if the collection is changed
- Throws:
UnsupportedOperationException- if add is unsupportedClassCastException- if the object cannot be added due to its typeNullPointerException- if the object cannot be added because its nullIllegalArgumentException- if the object cannot be added
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remove
Called when an object is to be removed to the composite.- Parameters:
composite- the CompositeCollection being changedcollections- all of the Collection instances in this CompositeCollectionobj- the object being removed- Returns:
- true if the collection is changed
- Throws:
UnsupportedOperationException- if removed is unsupportedClassCastException- if the object cannot be removed due to its typeNullPointerException- if the object cannot be removed because its nullIllegalArgumentException- if the object cannot be removed
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