Package org.apache.commons.collections4.set

Class AbstractSetDecorator<E>

java.lang.Object

org.apache.commons.collections4.collection.AbstractCollectionDecorator<E>

org.apache.commons.collections4.set.AbstractSetDecorator<E>

Type Parameters:

E - the type of the elements in the set

All Implemented Interfaces:

java.lang.Iterable<E>, java.util.Collection<E>, java.util.Set<E>

Direct Known Subclasses:

AbstractSerializableSetDecorator, AbstractSortedSetDecorator, UnmodifiableEntrySet

public abstract class AbstractSetDecorator<E>
extends AbstractCollectionDecorator<E>
implements java.util.Set<E>

Decorates another Set to provide additional behaviour.

Methods are forwarded directly to the decorated set.

Since:

3.0

Version:

$Id: AbstractSetDecorator.java 1686855 2015-06-22 13:00:27Z tn $

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractSetDecorator()	Constructor only used in deserialization, do not use otherwise.
protected	AbstractSetDecorator(java.util.Set<E> set)	Constructor that wraps (not copies).

Method Summary

Modifier and Type	Method	Description
protected java.util.Set<E>	decorated()	Gets the set being decorated.
boolean	equals(java.lang.Object object)
int	hashCode()

Methods inherited from class org.apache.commons.collections4.collection.AbstractCollectionDecorator

add, addAll, clear, contains, containsAll, isEmpty, iterator, remove, removeAll, retainAll, setCollection, size, toArray, toArray, toString

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Set

add, addAll, clear, contains, containsAll, isEmpty, iterator, of, of, of, of, of, of, of, of, of, of, of, of, remove, removeAll, retainAll, size, spliterator, toArray, toArray

Constructor Detail

AbstractSetDecorator

protected AbstractSetDecorator()

Constructor only used in deserialization, do not use otherwise.

Since:

3.1

AbstractSetDecorator

protected AbstractSetDecorator(java.util.Set<E> set)

Constructor that wraps (not copies).

Parameters:

set - the set to decorate, must not be null

Throws:

java.lang.NullPointerException - if set is null

Method Detail

decorated

protected java.util.Set<E> decorated()

Gets the set being decorated.

Overrides:

decorated in class AbstractCollectionDecorator<E>

Returns:

the decorated set

equals

public boolean equals(java.lang.Object object)

Specified by:

equals in interface java.util.Collection<E>

Specified by:

equals in interface java.util.Set<E>

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Specified by:

hashCode in interface java.util.Collection<E>

Specified by:

hashCode in interface java.util.Set<E>

Overrides:

hashCode in class java.lang.Object