Class MapBackedSet<E>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractSet<E>

org.apache.mina.util.MapBackedSet<E>

Type Parameters:

E - The element stored in the set

All Implemented Interfaces:

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

Direct Known Subclasses:

ConcurrentHashSet, IdentityHashSet

public class MapBackedSet<E>
extends AbstractSet<E>
implements Serializable

A Map-backed Set.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected final Map<E,Boolean>	map
private static final long	serialVersionUID

Constructor Summary

Constructors

Constructor	Description
MapBackedSet(Map<E,Boolean> map)	Creates a new MapBackedSet instance
MapBackedSet(Map<E,Boolean> map, Collection<E> c)	Creates a new MapBackedSet instance

Method Summary

Modifier and Type	Method	Description
boolean	add(E o)
void	clear()
boolean	contains(Object o)
Iterator<E>	iterator()
boolean	remove(Object o)
int	size()

Methods inherited from class AbstractSet

equals, hashCode, removeAll

Methods inherited from class AbstractCollection

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

Methods inherited from class Object

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

Methods inherited from interface Collection

parallelStream, removeIf, stream

Methods inherited from interface Iterable

forEach

Methods inherited from interface Set

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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

map

protected final Map<E,Boolean> map

Constructor Details

MapBackedSet

public MapBackedSet(Map<E,Boolean> map)

Creates a new MapBackedSet instance

Parameters:

map - The map that we want to back

MapBackedSet

public MapBackedSet(Map<E,Boolean> map,
 Collection<E> c)

Creates a new MapBackedSet instance

Parameters:

map - The map that we want to back

c - The elements we want to add in the map

Method Details

size

public int size()

Specified by:

size in interface Collection<E>

Specified by:

size in interface Set<E>

Specified by:

size in class AbstractCollection<E>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<E>

Specified by:

contains in interface Set<E>

Overrides:

contains in class AbstractCollection<E>

iterator

public Iterator<E> iterator()

Specified by:

iterator in interface Collection<E>

Specified by:

iterator in interface Iterable<E>

Specified by:

iterator in interface Set<E>

Specified by:

iterator in class AbstractCollection<E>

add

public boolean add(E o)

Specified by:

add in interface Collection<E>

Specified by:

add in interface Set<E>

Overrides:

add in class AbstractCollection<E>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<E>

Specified by:

remove in interface Set<E>

Overrides:

remove in class AbstractCollection<E>

clear

public void clear()

Specified by:

clear in interface Collection<E>

Specified by:

clear in interface Set<E>

Overrides:

clear in class AbstractCollection<E>