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 SummaryModifier 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- 
addCalled when an object is to be added to the composite.- Parameters:
- composite- the CompositeCollection being changed
- collections- all of the Collection instances in this CompositeCollection
- obj- the object being added
- Returns:
- true if the collection is changed
- Throws:
- UnsupportedOperationException- if add is unsupported
- ClassCastException- if the object cannot be added due to its type
- NullPointerException- if the object cannot be added because its null
- IllegalArgumentException- if the object cannot be added
 
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addAllboolean 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 changed
- collections- all of the Collection instances in this CompositeCollection
- coll- the collection being added
- Returns:
- true if the collection is changed
- Throws:
- UnsupportedOperationException- if add is unsupported
- ClassCastException- if the object cannot be added due to its type
- NullPointerException- if the object cannot be added because its null
- IllegalArgumentException- if the object cannot be added
 
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removeCalled when an object is to be removed to the composite.- Parameters:
- composite- the CompositeCollection being changed
- collections- all of the Collection instances in this CompositeCollection
- obj- the object being removed
- Returns:
- true if the collection is changed
- Throws:
- UnsupportedOperationException- if removed is unsupported
- ClassCastException- if the object cannot be removed due to its type
- NullPointerException- if the object cannot be removed because its null
- IllegalArgumentException- if the object cannot be removed
 
 
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