Package org.apache.commons.collections4.set

Class AbstractSortedSetDecorator<E>

java.lang.Object

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

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

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

Type Parameters:

E - the type of the elements in the sorted set

All Implemented Interfaces:

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

Direct Known Subclasses:

AbstractNavigableSetDecorator, UnmodifiableSortedSet

public abstract class AbstractSortedSetDecorator<E>
extends AbstractSetDecorator<E>
implements SortedSet<E>

Decorates another SortedSet 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	AbstractSortedSetDecorator()	Constructor only used in deserialization, do not use otherwise.
protected	AbstractSortedSetDecorator(Set<E> set)	Constructor that wraps (not copies).

Method Summary

Modifier and Type	Method	Description
Comparator<? super E>	comparator()
protected SortedSet<E>	decorated()	Gets the set being decorated.
E	first()
SortedSet<E>	headSet(E toElement)
E	last()
SortedSet<E>	subSet(E fromElement, E toElement)
SortedSet<E>	tailSet(E fromElement)

Methods inherited from class org.apache.commons.collections4.set.AbstractSetDecorator

equals, 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, equals, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray

Methods inherited from interface java.util.SortedSet

spliterator

Constructor Details

AbstractSortedSetDecorator

protected AbstractSortedSetDecorator()

Constructor only used in deserialization, do not use otherwise.

Since:

3.1

AbstractSortedSetDecorator

protected AbstractSortedSetDecorator(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

comparator

public Comparator<? super E> comparator()

Specified by:

comparator in interface SortedSet<E>

decorated

protected SortedSet<E> decorated()

Gets the set being decorated.

Overrides:

decorated in class AbstractSetDecorator<E>

Returns:

the decorated set

first

public E first()

Specified by:

first in interface SortedSet<E>

headSet

public SortedSet<E> headSet(E toElement)

Specified by:

headSet in interface SortedSet<E>

last

public E last()

Specified by:

last in interface SortedSet<E>

subSet

public SortedSet<E> subSet(E fromElement,
 E toElement)

Specified by:

subSet in interface SortedSet<E>

tailSet

public SortedSet<E> tailSet(E fromElement)

Specified by:

tailSet in interface SortedSet<E>