it.unimi.dsi.fastutil.objects

Class ObjectLists.EmptyList<K>

java.lang.Object

java.util.AbstractCollection<K>

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

it.unimi.dsi.fastutil.objects.ObjectCollections.EmptyCollection<K>

it.unimi.dsi.fastutil.objects.ObjectLists.EmptyList<K>

All Implemented Interfaces:

ObjectCollection<K>, ObjectIterable<K>, ObjectList<K>, Serializable, Cloneable, Comparable<List<? extends K>>, Iterable<K>, Collection<K>, List<K>

Enclosing class:

ObjectLists

public static class ObjectLists.EmptyList<K>
extends ObjectCollections.EmptyCollection<K>
implements ObjectList<K>, Serializable, Cloneable

An immutable class representing an empty type-specific list.

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

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
void	add(int index, K k)
boolean	add(K k)
boolean	addAll(Collection<? extends K> c) Adds all elements of the given collection to this collection.
boolean	addAll(int i, Collection<? extends K> c)
void	addElements(int index, K[] a) Add (hopefully quickly) elements to this type-specific list.
void	addElements(int index, K[] a, int offset, int length) Add (hopefully quickly) elements to this type-specific list.
Object	clone()
int	compareTo(List<? extends K> o)
K	get(int i)
void	getElements(int from, Object[] a, int offset, int length) Copies (hopefully quickly) elements of this type-specific list into the given array.
int	indexOf(Object k)
ObjectListIterator<K>	iterator() Returns a type-specific iterator on the elements of this collection.
int	lastIndexOf(Object k)
ObjectListIterator<K>	listIterator() Returns a type-specific list iterator on the list.
ObjectListIterator<K>	listIterator(int i) Returns a type-specific list iterator on the list starting at a given index.
ObjectIterator<K>	objectIterator() Deprecated.
ObjectListIterator<K>	objectListIterator() Deprecated.
ObjectListIterator<K>	objectListIterator(int i) Deprecated.
ObjectList<K>	objectSubList(int from, int to) Deprecated.
K	remove(int i)
boolean	removeAll(Collection<?> c) Remove from this collection all elements in the given collection.
void	removeElements(int from, int to) Removes (hopefully quickly) elements of this type-specific list.
K	set(int index, K k)
void	size(int s) Sets the size of this list.
ObjectList<K>	subList(int from, int to) Returns a type-specific view of the portion of this list from the index from, inclusive, to the index to, exclusive.

Methods inherited from class it.unimi.dsi.fastutil.objects.ObjectCollections.EmptyCollection

clear, contains, equals, hashCode, remove, size, toArray, toArray

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

containsAll, isEmpty, retainAll, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

clear, contains, containsAll, equals, hashCode, isEmpty, remove, replaceAll, retainAll, size, sort, spliterator, toArray, toArray

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

toArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Method Detail

add

public void add(int index,
                K k)

Specified by:

add in interface List<K>

add

public boolean add(K k)

Specified by:

add in interface Collection<K>

Specified by:

add in interface List<K>

Overrides:

add in class ObjectCollections.EmptyCollection<K>

remove

public K remove(int i)

Specified by:

remove in interface List<K>

set

public K set(int index,
             K k)

Specified by:

set in interface List<K>

indexOf

public int indexOf(Object k)

Specified by:

indexOf in interface List<K>

lastIndexOf

public int lastIndexOf(Object k)

Specified by:

lastIndexOf in interface List<K>

addAll

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

Description copied from class: AbstractObjectCollection

Adds all elements of the given collection to this collection.

Specified by:

addAll in interface Collection<K>

Specified by:

addAll in interface List<K>

Overrides:

addAll in class AbstractObjectCollection<K>

Parameters:

c - a collection.

Returns:

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

addAll

public boolean addAll(int i,
                      Collection<? extends K> c)

Specified by:

addAll in interface List<K>

removeAll

public boolean removeAll(Collection<?> c)

Description copied from class: AbstractObjectCollection

Remove from this collection all elements in the given collection. If the collection is an instance of this class, it uses faster iterators.

Specified by:

removeAll in interface Collection<K>

Specified by:

removeAll in interface List<K>

Overrides:

removeAll in class AbstractObjectCollection<K>

Parameters:

c - a collection.

Returns:

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

get

public K get(int i)

Specified by:

get in interface List<K>

objectIterator

@Deprecated
public ObjectIterator<K> objectIterator()

Deprecated.

Description copied from class: AbstractObjectCollection

Delegates to the new covariantly stronger generic method.

Specified by:

objectIterator in interface ObjectCollection<K>

Overrides:

objectIterator in class AbstractObjectCollection<K>

See Also:

ObjectCollection.iterator()

listIterator

public ObjectListIterator<K> listIterator()

Description copied from interface: ObjectList

Returns a type-specific list iterator on the list.

Specified by:

listIterator in interface ObjectList<K>

Specified by:

listIterator in interface List<K>

See Also:

List.listIterator()

iterator

public ObjectListIterator<K> iterator()

Description copied from interface: ObjectCollection

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 ObjectCollection<K>

Specified by:

iterator in interface ObjectIterable<K>

Specified by:

iterator in interface ObjectList<K>

Specified by:

iterator in interface Iterable<K>

Specified by:

iterator in interface Collection<K>

Specified by:

iterator in interface List<K>

Overrides:

iterator in class ObjectCollections.EmptyCollection<K>

Returns:

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

listIterator

public ObjectListIterator<K> listIterator(int i)

Description copied from interface: ObjectList

Returns a type-specific list iterator on the list starting at a given index.

Specified by:

listIterator in interface ObjectList<K>

Specified by:

listIterator in interface List<K>

See Also:

List.listIterator(int)

objectListIterator

@Deprecated
public ObjectListIterator<K> objectListIterator()

Deprecated.

Description copied from interface: ObjectList

Returns a type-specific list iterator on the list.

Specified by:

objectListIterator in interface ObjectList<K>

See Also:

ObjectList.listIterator()

objectListIterator

@Deprecated
public ObjectListIterator<K> objectListIterator(int i)

Deprecated.

Description copied from interface: ObjectList

Returns a type-specific list iterator on the list starting at a given index.

Specified by:

objectListIterator in interface ObjectList<K>

See Also:

ObjectList.listIterator(int)

subList

public ObjectList<K> subList(int from,
                             int to)

Description copied from interface: ObjectList

Returns a type-specific view of the portion of this list from the index from, inclusive, to the index to, exclusive.

Note that this specification strengthens the one given in List.subList(int,int).

Specified by:

subList in interface ObjectList<K>

Specified by:

subList in interface List<K>

See Also:

List.subList(int,int)

objectSubList

@Deprecated
public ObjectList<K> objectSubList(int from,
                                               int to)

Deprecated.

Description copied from interface: ObjectList

Returns a type-specific view of the portion of this list from the index from, inclusive, to the index to, exclusive.

Specified by:

objectSubList in interface ObjectList<K>

See Also:

List.subList(int,int)

getElements

public void getElements(int from,
                        Object[] a,
                        int offset,
                        int length)

Description copied from interface: ObjectList

Copies (hopefully quickly) elements of this type-specific list into the given array.

Specified by:

getElements in interface ObjectList<K>

Parameters:

from - the start index (inclusive).

a - the destination array.

offset - the offset into the destination array where to store the first element copied.

length - the number of elements to be copied.

removeElements

public void removeElements(int from,
                           int to)

Description copied from interface: ObjectList

Removes (hopefully quickly) elements of this type-specific list.

Specified by:

removeElements in interface ObjectList<K>

Parameters:

from - the start index (inclusive).

to - the end index (exclusive).

addElements

public void addElements(int index,
                        K[] a,
                        int offset,
                        int length)

Description copied from interface: ObjectList

Add (hopefully quickly) elements to this type-specific list.

Specified by:

addElements in interface ObjectList<K>

Parameters:

index - the index at which to add elements.

a - the array containing the elements.

offset - the offset of the first element to add.

length - the number of elements to add.

addElements

public void addElements(int index,
                        K[] a)

Description copied from interface: ObjectList

Add (hopefully quickly) elements to this type-specific list.

Specified by:

addElements in interface ObjectList<K>

Parameters:

index - the index at which to add elements.

a - the array containing the elements.

size

public void size(int s)

Description copied from interface: ObjectList

Sets the size of this list.

If the specified size is smaller than the current size, the last elements are discarded. Otherwise, they are filled with 0/null/false.

Specified by:

size in interface ObjectList<K>

Parameters:

s - the new size.

compareTo

public int compareTo(List<? extends K> o)

Specified by:

compareTo in interface Comparable<List<? extends K>>

clone

public Object clone()

Overrides:

clone in class Object