Package org.apache.commons.collections.collection

Interface CompositeCollection.CollectionMutator

All Known Subinterfaces:

CompositeSet.SetMutator

Enclosing class:

CompositeCollection

@Deprecated(since="2021-04-30")
public static interface CompositeCollection.CollectionMutator

Deprecated.

Commons Collections 3 is in maintenance mode. Commons Collections 4 should be used instead.

Pluggable strategy to handle changes to the composite.

Method Summary

Modifier and Type	Method	Description
boolean	add(CompositeCollection composite, Collection[] collections, Object obj)	Deprecated. Called when an object is to be added to the composite.
boolean	addAll(CompositeCollection composite, Collection[] collections, Collection coll)	Deprecated. Called when a collection is to be added to the composite.
boolean	remove(CompositeCollection composite, Collection[] collections, Object obj)	Deprecated. Called when an object is to be removed to the composite.

Method Detail

add

boolean add(CompositeCollection composite,
            Collection[] collections,
            Object obj)

Deprecated.

Called 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

addAll

boolean addAll(CompositeCollection composite,
               Collection[] collections,
               Collection coll)

Deprecated.

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

remove

boolean remove(CompositeCollection composite,
               Collection[] collections,
               Object obj)

Deprecated.

Called 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