org.github.jamm
Class AlwaysEmptySet<T>

java.lang.Object
  org.github.jamm.AlwaysEmptySet<T>

All Implemented Interfaces:

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

public class AlwaysEmptySet<T>
extends java.lang.Object
implements java.util.Set<T>

Field Summary

static java.util.Set

EMPTY_SET

Method Summary

boolean	add(T t)
boolean	addAll(java.util.Collection<? extends T> c)
void	clear()
boolean	contains(java.lang.Object o)
boolean	containsAll(java.util.Collection<?> c)
static <T> java.util.Set<T>	create()
boolean	isEmpty()
java.util.Iterator<T>	iterator()
static <T> java.util.concurrent.Callable<java.util.Set<T>>	provider()
boolean	remove(java.lang.Object o)
boolean	removeAll(java.util.Collection<?> c)
boolean	retainAll(java.util.Collection<?> c)
int	size()
java.lang.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 java.util.Set EMPTY_SET

Method Detail

create

public static <T> java.util.Set<T> create()

provider

public static <T> java.util.concurrent.Callable<java.util.Set<T>> provider()

size

public int size()

Specified by:

size in interface java.util.Collection<T>

Specified by:

size in interface java.util.Set<T>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Collection<T>

Specified by:

isEmpty in interface java.util.Set<T>

contains

public boolean contains(java.lang.Object o)

Specified by:

contains in interface java.util.Collection<T>

Specified by:

contains in interface java.util.Set<T>

iterator

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

Specified by:

iterator in interface java.lang.Iterable<T>

Specified by:

iterator in interface java.util.Collection<T>

Specified by:

iterator in interface java.util.Set<T>

toArray

public java.lang.Object[] toArray()

Specified by:

toArray in interface java.util.Collection<T>

Specified by:

toArray in interface java.util.Set<T>

toArray

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

Specified by:

toArray in interface java.util.Collection<T>

Specified by:

toArray in interface java.util.Set<T>

add

public boolean add(T t)

Specified by:

add in interface java.util.Collection<T>

Specified by:

add in interface java.util.Set<T>

remove

public boolean remove(java.lang.Object o)

Specified by:

remove in interface java.util.Collection<T>

Specified by:

remove in interface java.util.Set<T>

containsAll

public boolean containsAll(java.util.Collection<?> c)

Specified by:

containsAll in interface java.util.Collection<T>

Specified by:

containsAll in interface java.util.Set<T>

addAll

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

Specified by:

addAll in interface java.util.Collection<T>

Specified by:

addAll in interface java.util.Set<T>

retainAll

public boolean retainAll(java.util.Collection<?> c)

Specified by:

retainAll in interface java.util.Collection<T>

Specified by:

retainAll in interface java.util.Set<T>

removeAll

public boolean removeAll(java.util.Collection<?> c)

Specified by:

removeAll in interface java.util.Collection<T>

Specified by:

removeAll in interface java.util.Set<T>

clear

public void clear()

Specified by:

clear in interface java.util.Collection<T>

Specified by:

clear in interface java.util.Set<T>