org.github.jamm

Class AlwaysEmptySet<T>

java.lang.Object

org.github.jamm.AlwaysEmptySet<T>

All Implemented Interfaces:

Iterable<T>, Collection<T>, Set<T>

public class AlwaysEmptySet<T>
extends Object
implements Set<T>

Field Summary

Fields

Modifier and Type	Field and Description
static Set	EMPTY_SET

Method Summary

Methods

Modifier and Type	Method and Description
boolean	add(T t)
boolean	addAll(Collection<? extends T> c)
void	clear()
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
static <T> Set<T>	create()
boolean	isEmpty()
Iterator<T>	iterator()
static <T> Callable<Set<T>>	provider()
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
int	size()
Object[]	toArray()
<T> T[]	toArray(T[] a)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Set

equals, hashCode

Field Detail

EMPTY_SET

public static final Set EMPTY_SET

Method Detail

create

public static <T> Set<T> create()

provider

public static <T> Callable<Set<T>> provider()

size

public int size()

Specified by:

size in interface Collection<T>

Specified by:

size in interface Set<T>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<T>

Specified by:

isEmpty in interface Set<T>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<T>

Specified by:

contains in interface Set<T>

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

Specified by:

iterator in interface Collection<T>

Specified by:

iterator in interface Set<T>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<T>

Specified by:

toArray in interface Set<T>

toArray

public <T> T[] toArray(T[] a)

Specified by:

toArray in interface Collection<T>

Specified by:

toArray in interface Set<T>

add

public boolean add(T t)

Specified by:

add in interface Collection<T>

Specified by:

add in interface Set<T>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<T>

Specified by:

remove in interface Set<T>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<T>

Specified by:

containsAll in interface Set<T>

addAll

public boolean addAll(Collection<? extends T> c)

Specified by:

addAll in interface Collection<T>

Specified by:

addAll in interface Set<T>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<T>

Specified by:

retainAll in interface Set<T>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<T>

Specified by:

removeAll in interface Set<T>

clear

public void clear()

Specified by:

clear in interface Collection<T>

Specified by:

clear in interface Set<T>