it.unimi.dsi.fastutil.objects

Class ReferenceSets.Singleton<K>

java.lang.Object

java.util.AbstractCollection<K>

it.unimi.dsi.fastutil.objects.AbstractReferenceCollection<K>

it.unimi.dsi.fastutil.objects.AbstractReferenceSet<K>

it.unimi.dsi.fastutil.objects.ReferenceSets.Singleton<K>

All Implemented Interfaces:

it.unimi.dsi.fastutil.objects.ObjectIterable<K>, it.unimi.dsi.fastutil.objects.ReferenceCollection<K>, ReferenceSet<K>, java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<K>, java.util.Collection<K>, java.util.Set<K>

Direct Known Subclasses:

ReferenceSortedSets.Singleton

Enclosing class:

ReferenceSets

public static class ReferenceSets.Singleton<K>
extends AbstractReferenceSet<K>
implements java.io.Serializable, java.lang.Cloneable

An immutable class representing a type-specific singleton set.

This class may be useful to implement your own in case you subclass a type-specific set.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected K	element

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Singleton(K element)

Method Summary

Modifier and Type	Method and Description
boolean	addAll(java.util.Collection<? extends K> c)
java.lang.Object	clone()
boolean	contains(java.lang.Object k)
void	forEach(java.util.function.Consumer<? super K> action)
it.unimi.dsi.fastutil.objects.ObjectListIterator<K>	iterator() Returns a type-specific iterator on the elements of this set.
boolean	remove(java.lang.Object k)
boolean	removeAll(java.util.Collection<?> c)
boolean	removeIf(java.util.function.Predicate<? super K> filter)
boolean	retainAll(java.util.Collection<?> c)
int	size()
it.unimi.dsi.fastutil.objects.ObjectSpliterator<K>	spliterator() Returns a type-specific spliterator on the elements of this set.
java.lang.Object[]	toArray()

Methods inherited from class it.unimi.dsi.fastutil.objects.AbstractReferenceSet

equals, hashCode

Methods inherited from class it.unimi.dsi.fastutil.objects.AbstractReferenceCollection

toString

Methods inherited from class java.util.AbstractCollection

add, clear, containsAll, isEmpty, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface it.unimi.dsi.fastutil.objects.ReferenceSet

of, of, of, of, of

Methods inherited from interface java.util.Set

add, clear, containsAll, isEmpty, toArray

Methods inherited from interface java.util.Collection

parallelStream, stream

Field Detail

element

protected final K element

Constructor Detail

Singleton

protected Singleton(K element)

Method Detail

contains

public boolean contains(java.lang.Object k)

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 k)

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 it.unimi.dsi.fastutil.objects.ObjectListIterator<K> iterator()

Description copied from interface: ReferenceSet

Returns a type-specific iterator on the elements of this set.

Specified by:

iterator in interface it.unimi.dsi.fastutil.objects.ObjectIterable<K>

Specified by:

iterator in interface it.unimi.dsi.fastutil.objects.ReferenceCollection<K>

Specified by:

iterator in interface ReferenceSet<K>

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 AbstractReferenceSet<K>

Returns:

a type-specific iterator on the elements of this set.

spliterator

public it.unimi.dsi.fastutil.objects.ObjectSpliterator<K> spliterator()

Description copied from interface: ReferenceSet

Returns a type-specific spliterator on the elements of this set.

Set spliterators must report at least Spliterator.DISTINCT.

See Set.spliterator() for more documentation on the requirements of the returned spliterator.

Specified by:

spliterator in interface it.unimi.dsi.fastutil.objects.ObjectIterable<K>

Specified by:

spliterator in interface it.unimi.dsi.fastutil.objects.ReferenceCollection<K>

Specified by:

spliterator in interface ReferenceSet<K>

Specified by:

spliterator in interface java.lang.Iterable<K>

Specified by:

spliterator in interface java.util.Collection<K>

Specified by:

spliterator in interface java.util.Set<K>

Returns:

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>

toArray

public java.lang.Object[] toArray()

Specified by:

toArray in interface java.util.Collection<K>

Specified by:

toArray in interface java.util.Set<K>

Overrides:

toArray in class java.util.AbstractCollection<K>

forEach

public void forEach(java.util.function.Consumer<? super K> action)

Specified by:

forEach in interface java.lang.Iterable<K>

addAll

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

Specified by:

addAll in interface java.util.Collection<K>

Specified by:

addAll in interface java.util.Set<K>

Overrides:

addAll in class java.util.AbstractCollection<K>

removeAll

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

Specified by:

removeAll in interface java.util.Collection<K>

Specified by:

removeAll in interface java.util.Set<K>

Overrides:

removeAll in class java.util.AbstractCollection<K>

retainAll

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

Specified by:

retainAll in interface java.util.Collection<K>

Specified by:

retainAll in interface java.util.Set<K>

Overrides:

retainAll in class java.util.AbstractCollection<K>

removeIf

public boolean removeIf(java.util.function.Predicate<? super K> filter)

Specified by:

removeIf in interface java.util.Collection<K>

clone

public java.lang.Object clone()

Overrides:

clone in class java.lang.Object