org.apache.commons.collections4.map

Class AbstractHashedMap.KeySet<K>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractSet<K>

org.apache.commons.collections4.map.AbstractHashedMap.KeySet<K>

All Implemented Interfaces:

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

Direct Known Subclasses:

AbstractReferenceMap.ReferenceKeySet

Enclosing class:

AbstractHashedMap<K,V>

protected static class AbstractHashedMap.KeySet<K>
extends java.util.AbstractSet<K>

KeySet implementation.

Field Summary

Fields

Modifier and Type	Field and Description
private AbstractHashedMap<K,?>	parent The parent map

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	KeySet(AbstractHashedMap<K,?> parent)

Method Summary

Modifier and Type	Method and Description
void	clear()
boolean	contains(java.lang.Object key)
java.util.Iterator<K>	iterator()
boolean	remove(java.lang.Object key)
int	size()

Methods inherited from class java.util.AbstractSet

equals, hashCode, removeAll

Methods inherited from class java.util.AbstractCollection

add, addAll, containsAll, isEmpty, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Set

add, addAll, containsAll, isEmpty, retainAll, spliterator, toArray, toArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Field Detail

parent

private final AbstractHashedMap<K,?> parent

The parent map

Constructor Detail

KeySet

protected KeySet(AbstractHashedMap<K,?> parent)

Method Detail

size

public int size()

Specified by:

size in interface java.util.Collection<K>

Specified by:

size in interface java.util.Set<K>

Specified by:

size in class java.util.AbstractCollection<K>

clear

public void clear()

Specified by:

clear in interface java.util.Collection<K>

Specified by:

clear in interface java.util.Set<K>

Overrides:

clear in class java.util.AbstractCollection<K>

contains

public boolean contains(java.lang.Object key)

Specified by:

contains in interface java.util.Collection<K>

Specified by:

contains in interface java.util.Set<K>

Overrides:

contains in class java.util.AbstractCollection<K>

remove

public boolean remove(java.lang.Object key)

Specified by:

remove in interface java.util.Collection<K>

Specified by:

remove in interface java.util.Set<K>

Overrides:

remove in class java.util.AbstractCollection<K>

iterator

public java.util.Iterator<K> iterator()

Specified by:

iterator in interface java.lang.Iterable<K>

Specified by:

iterator in interface java.util.Collection<K>

Specified by:

iterator in interface java.util.Set<K>

Specified by:

iterator in class java.util.AbstractCollection<K>