package

org.apache.commons.collections.collection

This package contains implementations of the java.util.Collection Collection interface.

The following implementations are provided in the package:

  • CompositeCollection - a collection that combines multiple collections into one
The following decorators are provided in the package:
  • Synchronized - synchronizes method access for multi-threaded environments
  • Unmodifiable - ensures the collection cannot be altered
  • Predicated - ensures that only elements that are valid according to a predicate can be added
  • Typed - ensures that only elements that are of a specific type can be added
  • Transformed - transforms elements as they are added

Interfaces

CompositeCollection.CollectionMutator Pluggable strategy to handle changes to the composite. 

Classes

AbstractCollectionDecorator Decorates another Collection to provide additional behaviour. 
AbstractSerializableCollectionDecorator Serializable subclass of AbstractCollectionDecorator. 
CompositeCollection Decorates a collection of other collections to provide a single unified view. 
PredicatedCollection Decorates another Collection to validate that additions match a specified predicate. 
SynchronizedCollection Decorates another Collection to synchronize its behaviour for a multi-threaded environment. 
TransformedCollection Decorates another Collection to transform objects that are added. 
TypedCollection Decorates a Collection to validate that elements added are of a specific type. 
UnmodifiableBoundedCollection UnmodifiableBoundedCollection decorates another BoundedCollection to ensure it can't be altered. 
UnmodifiableCollection Decorates another Collection to ensure it can't be altered.