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 this set

All Implemented Interfaces:

Serializable, Iterable<E>, Collection<E>, Set<E>

Direct Known Subclasses:

AbstractSerializableSetDecorator, AbstractSortedSetDecorator, UnmodifiableEntrySet

public abstract class AbstractSetDecorator<E>
extends AbstractCollectionDecorator<E>
implements Set<E>

Decorates another Set to provide additional behavior.

Methods are forwarded directly to the decorated set.

Since:

3.0

See Also:

• Serialized Form

Constructor Summary

Constructors

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

Method Summary

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

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

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.Set

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

Constructor Details

AbstractSetDecorator

protected AbstractSetDecorator()

Constructor only used in deserialization, do not use otherwise.

Since:

3.1

AbstractSetDecorator

protected AbstractSetDecorator(Set<E> set)

Constructor that wraps (not copies).

Parameters:

set - the set to decorate, must not be null

Throws:

NullPointerException - if set is null

Method Details

decorated

protected Set<E> decorated()

Gets the set being decorated.

Overrides:

decorated in class AbstractCollectionDecorator<E>

Returns:

the decorated set

equals

public boolean equals(Object object)

Specified by:

equals in interface Collection<E>

Specified by:

equals in interface Set<E>

Overrides:

equals in class Object

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<E>

Specified by:

hashCode in interface Set<E>

Overrides:

hashCode in class Object