it.unimi.dsi.fastutil.doubles

Class DoubleSets.Singleton

java.lang.Object

java.util.AbstractCollection<Double>

it.unimi.dsi.fastutil.doubles.AbstractDoubleCollection

it.unimi.dsi.fastutil.doubles.AbstractDoubleSet

it.unimi.dsi.fastutil.doubles.DoubleSets.Singleton

All Implemented Interfaces:

DoubleCollection, DoubleIterable, DoubleSet, Serializable, Cloneable, Iterable<Double>, Collection<Double>, Set<Double>

Direct Known Subclasses:

DoubleSortedSets.Singleton

Enclosing class:

DoubleSets

public static class DoubleSets.Singleton
extends AbstractDoubleSet
implements Serializable, 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 double	element

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Singleton(double element)

Method Summary

Modifier and Type	Method and Description
boolean	addAll(Collection<? extends Double> c)
boolean	addAll(DoubleCollection c) Adds all elements of the given type-specific collection to this collection.
Object	clone()
boolean	contains(double k) Returns true if this collection contains the specified element.
DoubleListIterator	iterator() Returns a type-specific iterator on the elements of this collection.
boolean	remove(double k) Removes an element from this set.
boolean	removeAll(Collection<?> c)
boolean	removeAll(DoubleCollection c) Remove from this collection all elements in the given type-specific collection.
boolean	retainAll(Collection<?> c)
boolean	retainAll(DoubleCollection c) Retains in this collection only elements from the given type-specific collection.
int	size()

Methods inherited from class it.unimi.dsi.fastutil.doubles.AbstractDoubleSet

equals, hashCode, rem

Methods inherited from class it.unimi.dsi.fastutil.doubles.AbstractDoubleCollection

add, add, contains, containsAll, remove, toArray, toDoubleArray, toDoubleArray, toString

Methods inherited from class java.util.AbstractCollection

clear, containsAll, isEmpty, toArray, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface it.unimi.dsi.fastutil.doubles.DoubleSet

add, contains, remove

Methods inherited from interface it.unimi.dsi.fastutil.doubles.DoubleCollection

add, containsAll, removeIf, removeIf, toArray, toDoubleArray, toDoubleArray

Methods inherited from interface it.unimi.dsi.fastutil.doubles.DoubleIterable

forEach, forEach

Methods inherited from interface java.util.Set

clear, containsAll, isEmpty, spliterator, toArray, toArray

Methods inherited from interface java.util.Collection

parallelStream, stream

Field Detail

element

protected final double element

Constructor Detail

Singleton

protected Singleton(double element)

Method Detail

contains

public boolean contains(double k)

Description copied from class: AbstractDoubleCollection

Returns true if this collection contains the specified element.

This implementation iterates over the elements in the collection, looking for the specified element.

Specified by:

contains in interface DoubleCollection

Overrides:

contains in class AbstractDoubleCollection

See Also:

Collection.contains(Object)

remove

public boolean remove(double k)

Description copied from class: AbstractDoubleSet

Removes an element from this set.

Note that the corresponding method of a type-specific collection is rem(). This unfortunate situation is caused by the clash with the similarly named index-based method in the List interface. Delegates to the type-specific rem() method implemented by type-specific abstract Collection superclass.

Specified by:

remove in interface DoubleSet

Overrides:

remove in class AbstractDoubleSet

See Also:

Collection.remove(Object)

iterator

public DoubleListIterator iterator()

Description copied from interface: DoubleCollection

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

Note that this specification strengthens the one given in Iterable.iterator(), which was already strengthened in the corresponding type-specific class, but was weakened by the fact that this interface extends Collection.

Specified by:

iterator in interface DoubleCollection

Specified by:

iterator in interface DoubleIterable

Specified by:

iterator in interface DoubleSet

Specified by:

iterator in interface Iterable<Double>

Specified by:

iterator in interface Collection<Double>

Specified by:

iterator in interface Set<Double>

Specified by:

iterator in class AbstractDoubleSet

Returns:

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

See Also:

Iterable.iterator()

size

public int size()

Specified by:

size in interface Collection<Double>

Specified by:

size in interface Set<Double>

Specified by:

size in class AbstractCollection<Double>

addAll

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

Specified by:

addAll in interface Collection<Double>

Specified by:

addAll in interface Set<Double>

Overrides:

addAll in class AbstractCollection<Double>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<Double>

Specified by:

removeAll in interface Set<Double>

Overrides:

removeAll in class AbstractCollection<Double>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<Double>

Specified by:

retainAll in interface Set<Double>

Overrides:

retainAll in class AbstractCollection<Double>

addAll

public boolean addAll(DoubleCollection c)

Description copied from interface: DoubleCollection

Adds all elements of the given type-specific collection to this collection.

Specified by:

addAll in interface DoubleCollection

Overrides:

addAll in class AbstractDoubleCollection

Parameters:

c - a type-specific collection.

Returns:

true if this collection changed as a result of the call.

See Also:

Collection.addAll(Collection)

removeAll

public boolean removeAll(DoubleCollection c)

Description copied from interface: DoubleCollection

Remove from this collection all elements in the given type-specific collection.

Specified by:

removeAll in interface DoubleCollection

Overrides:

removeAll in class AbstractDoubleCollection

Parameters:

c - a type-specific collection.

Returns:

true if this collection changed as a result of the call.

See Also:

Collection.removeAll(Collection)

retainAll

public boolean retainAll(DoubleCollection c)

Description copied from interface: DoubleCollection

Retains in this collection only elements from the given type-specific collection.

Specified by:

retainAll in interface DoubleCollection

Overrides:

retainAll in class AbstractDoubleCollection

Parameters:

c - a type-specific collection.

Returns:

true if this collection changed as a result of the call.

See Also:

Collection.retainAll(Collection)

clone

public Object clone()

Overrides:

clone in class Object