ForwardingCollection (Guava: Google Core Libraries for Java

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com.google.common.collect
Class ForwardingCollection<E>

java.lang.Object
  com.google.common.collect.ForwardingObject
      com.google.common.collect.ForwardingCollection<E>

All Implemented Interfaces:: Iterable<E>, Collection<E>

Direct Known Subclasses:: ForwardingList, ForwardingMultiset, ForwardingQueue, ForwardingSet

public abstract class ForwardingCollection<E>
extends ForwardingObject
implements Collection<E>
extends ForwardingObject
implements Collection<E>

A collection which forwards all its method calls to another collection. Subclasses should override one or more methods to modify the behavior of the backing collection as desired per the decorator pattern.

Since:: 2 (imported from Google Collections Library)
Author:: Kevin Bourrillion
See Also:: ForwardingObject

Constructor Summary
`protected`	`ForwardingCollection()` Constructor for use by subclasses.

Method Summary

boolean add(E element)

boolean addAll(Collection<? extends E> collection)

void clear()

boolean contains(Object object)

boolean containsAll(Collection<?> collection)

protected abstract Collection<E> delegate()
Returns the backing delegate instance that methods are forwarded to.

boolean isEmpty()

Iterator<E> iterator()

boolean remove(Object object)

boolean removeAll(Collection<?> collection)

boolean retainAll(Collection<?> collection)

int size()

Object[] toArray()





<T> T[]

toArray(T[] array)

Methods inherited from class com.google.common.collect.ForwardingObject
`toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Methods inherited from interface java.util.Collection
`equals, hashCode`

Constructor Detail