Package it.unimi.dsi.fastutil.bytes

Class ByteLists.Singleton

java.lang.Object

java.util.AbstractCollection<Byte>

it.unimi.dsi.fastutil.bytes.AbstractByteCollection

it.unimi.dsi.fastutil.bytes.AbstractByteList

it.unimi.dsi.fastutil.bytes.ByteLists.Singleton

All Implemented Interfaces:

ByteCollection, ByteIterable, ByteList, ByteStack, Stack<Byte>, Serializable, Cloneable, Comparable<List<? extends Byte>>, Iterable<Byte>, Collection<Byte>, List<Byte>, RandomAccess

Enclosing class:

ByteLists

public static class ByteLists.Singleton
extends AbstractByteList
implements RandomAccess, Serializable, Cloneable

An immutable class representing a type-specific singleton list.

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

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class it.unimi.dsi.fastutil.bytes.AbstractByteList

AbstractByteList.ByteRandomAccessSubList, AbstractByteList.ByteSubList

Method Summary

Modifier and Type	Method	Description
boolean	addAll(int i, ByteCollection c)	Inserts all of the elements in the specified type-specific collection into this type-specific list at the specified position (optional operation).
boolean	addAll(int i, ByteList c)	Inserts all of the elements in the specified type-specific list into this type-specific list at the specified position (optional operation).
boolean	addAll(int i, Collection<? extends Byte> c)	Adds all of the elements in the specified collection to this list (optional operation).
boolean	addAll(ByteCollection c)	Adds all elements of the given type-specific collection to this collection.
boolean	addAll(ByteList c)	Appends all of the elements in the specified type-specific list to the end of this type-specific list (optional operation).
boolean	addAll(Collection<? extends Byte> c)
void	addElements(int index, byte[] a)	Add (hopefully quickly) elements to this type-specific list.
void	addElements(int index, byte[] a, int offset, int length)	Add (hopefully quickly) elements to this type-specific list.
void	clear()
Object	clone()
boolean	contains(byte k)	Returns true if this list contains the specified element.
void	forEach(ByteConsumer action)	Performs the given action for each element of this type-specific Iterable until all elements have been processed or the action throws an exception.
void	forEach(Consumer<? super Byte> action)	Deprecated.
byte	getByte(int i)	Returns the element at the specified position in this list.
void	getElements(int from, byte[] a, int offset, int length)	Copies (hopefully quickly) elements of this type-specific list into the given array.
int	indexOf(byte k)	Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element.
IntIterator	intIterator()	Returns a widened primitive iterator on the elements of this collection.
IntSpliterator	intSpliterator()	Returns widened primitive spliterator on the elements of this collection.
ByteListIterator	iterator()	Returns a type-specific iterator on the elements of this collection.
ByteListIterator	listIterator()	Returns a type-specific list iterator on the list.
ByteListIterator	listIterator(int i)	Returns a type-specific list iterator on the list starting at a given index.
boolean	rem(byte k)	Removes a single instance of the specified element from this collection, if it is present (optional operation).
boolean	removeAll(ByteCollection c)	Remove from this collection all elements in the given type-specific collection.
boolean	removeAll(Collection<?> c)
byte	removeByte(int i)	Removes the element at the specified position in this list (optional operation).
void	removeElements(int from, int to)	Removes (hopefully quickly) elements of this type-specific list.
boolean	removeIf(BytePredicate filter)	Remove from this collection all elements which satisfy the given predicate.
boolean	removeIf(Predicate<? super Byte> filter)	Deprecated.
void	replaceAll(ByteUnaryOperator operator)	Replaces each element of this list with the result of applying the operator to that element.
void	replaceAll(UnaryOperator<Byte> operator)	Deprecated.
boolean	retainAll(ByteCollection c)	Retains in this collection only elements from the given type-specific collection.
boolean	retainAll(Collection<?> c)
void	setElements(byte[] a)	Set (hopefully quickly) elements to match the array given.
void	setElements(int index, byte[] a)	Set (hopefully quickly) elements to match the array given.
void	setElements(int index, byte[] a, int offset, int length)	Set (hopefully quickly) elements to match the array given.
int	size()
void	size(int size)	Sets the size of this list.
void	sort(ByteComparator comparator)	Sort a list using a type-specific comparator.
void	sort(Comparator<? super Byte> comparator)	Deprecated.
ByteSpliterator	spliterator()	Returns a type-specific spliterator on the elements of this list.
ByteList	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.
Object[]	toArray()	Deprecated.
byte[]	toByteArray()	Returns a primitive type array containing the items of this collection.
void	unstableSort(ByteComparator comparator)	Sorts this list using a sort not assured to be stable.
void	unstableSort(Comparator<? super Byte> comparator)	Deprecated.

Methods inherited from class it.unimi.dsi.fastutil.bytes.AbstractByteList

add, add, compareTo, equals, hashCode, lastIndexOf, peekByte, popByte, push, set, toArray, topByte, toString

Methods inherited from class it.unimi.dsi.fastutil.bytes.AbstractByteCollection

add, contains, containsAll, containsAll, remove, toByteArray

Methods inherited from class java.util.AbstractCollection

isEmpty, toArray

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface it.unimi.dsi.fastutil.bytes.ByteCollection

containsAll, intParallelStream, intStream, parallelStream, removeIf, stream, toByteArray

Methods inherited from interface it.unimi.dsi.fastutil.bytes.ByteIterable

forEach

Methods inherited from interface it.unimi.dsi.fastutil.bytes.ByteList

add, add, contains, get, indexOf, lastIndexOf, remove, remove, replaceAll, set

Methods inherited from interface it.unimi.dsi.fastutil.bytes.ByteStack

peek, pop, push, top

Methods inherited from interface java.util.Collection

toArray

Methods inherited from interface java.util.List

containsAll, isEmpty, toArray

Methods inherited from interface it.unimi.dsi.fastutil.Stack

isEmpty

Method Details

getByte

public byte getByte(int i)

Description copied from interface: ByteList

Returns the element at the specified position in this list.

Specified by:

getByte in interface ByteList

See Also:

• List.get(int)

rem

public boolean rem(byte k)

Description copied from class: AbstractByteList

Removes a single instance of the specified element from this collection, if it is present (optional operation).

Specified by:

rem in interface ByteCollection

Overrides:

rem in class AbstractByteList

See Also:

• List.remove(Object)

removeByte

public byte removeByte(int i)

Description copied from class: AbstractByteList

Removes the element at the specified position in this list (optional operation).

Specified by:

removeByte in interface ByteList

Overrides:

removeByte in class AbstractByteList

See Also:

• List.remove(int)

contains

public boolean contains(byte k)

Description copied from class: AbstractByteList

Returns true if this list contains the specified element.

Specified by:

contains in interface ByteCollection

Overrides:

contains in class AbstractByteList

See Also:

• List.contains(Object)

indexOf

public int indexOf(byte k)

Description copied from interface: ByteList

Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element.

Specified by:

indexOf in interface ByteList

Overrides:

indexOf in class AbstractByteList

See Also:

• List.indexOf(Object)

toByteArray

public byte[] toByteArray()

Description copied from interface: ByteCollection

Returns a primitive type array containing the items of this collection.

Specified by:

toByteArray in interface ByteCollection

Overrides:

toByteArray in class AbstractByteList

Returns:

a primitive type array containing the items of this collection.

See Also:

• Collection.toArray()

listIterator

public ByteListIterator listIterator()

Description copied from class: AbstractByteList

Returns a type-specific list iterator on the list.

Specified by:

listIterator in interface ByteList

Specified by:

listIterator in interface List<Byte>

Overrides:

listIterator in class AbstractByteList

See Also:

• List.listIterator()

iterator

public ByteListIterator iterator()

Description copied from class: AbstractByteList

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

Specified by:

iterator in interface ByteCollection

Specified by:

iterator in interface ByteIterable

Specified by:

iterator in interface ByteList

Specified by:

iterator in interface Collection<Byte>

Specified by:

iterator in interface Iterable<Byte>

Specified by:

iterator in interface List<Byte>

Overrides:

iterator in class AbstractByteList

Returns:

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

See Also:

• Iterable.iterator()

spliterator

public ByteSpliterator spliterator()

Description copied from interface: ByteList

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

List spliterators must report at least Spliterator.SIZED and Spliterator.ORDERED.

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

Specified by:

spliterator in interface ByteCollection

Specified by:

spliterator in interface ByteIterable

Specified by:

spliterator in interface ByteList

Specified by:

spliterator in interface Collection<Byte>

Specified by:

spliterator in interface Iterable<Byte>

Specified by:

spliterator in interface List<Byte>

Returns:

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

listIterator

public ByteListIterator listIterator(int i)

Description copied from class: AbstractByteList

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

Specified by:

listIterator in interface ByteList

Specified by:

listIterator in interface List<Byte>

Overrides:

listIterator in class AbstractByteList

See Also:

• List.listIterator(int)

subList

public ByteList subList(int from,
 int to)

Description copied from interface: ByteList

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

Specified by:

subList in interface ByteList

Specified by:

subList in interface List<Byte>

Overrides:

subList in class AbstractByteList

See Also:

• List.subList(int,int)

forEach

@Deprecated
public void forEach(Consumer<? super Byte> action)

Deprecated.

Description copied from interface: ByteIterable

Specified by:

forEach in interface ByteIterable

Specified by:

forEach in interface Iterable<Byte>

addAll

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

Description copied from class: AbstractByteList

Adds all of the elements in the specified collection to this list (optional operation).

Specified by:

addAll in interface List<Byte>

Overrides:

addAll in class AbstractByteList

addAll

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

Description copied from class: AbstractByteList

Specified by:

addAll in interface Collection<Byte>

Specified by:

addAll in interface List<Byte>

Overrides:

addAll in class AbstractByteList

removeAll

public boolean removeAll(Collection<?> c)

Description copied from class: AbstractByteCollection

Specified by:

removeAll in interface Collection<Byte>

Specified by:

removeAll in interface List<Byte>

Overrides:

removeAll in class AbstractByteCollection

retainAll

public boolean retainAll(Collection<?> c)

Description copied from class: AbstractByteCollection

Specified by:

retainAll in interface Collection<Byte>

Specified by:

retainAll in interface List<Byte>

Overrides:

retainAll in class AbstractByteCollection

removeIf

@Deprecated
public boolean removeIf(Predicate<? super Byte> filter)

Deprecated.

Description copied from interface: ByteCollection

Specified by:

removeIf in interface ByteCollection

Specified by:

removeIf in interface Collection<Byte>

replaceAll

@Deprecated
public void replaceAll(UnaryOperator<Byte> operator)

Deprecated.

Description copied from interface: ByteList

Specified by:

replaceAll in interface ByteList

Specified by:

replaceAll in interface List<Byte>

replaceAll

public void replaceAll(ByteUnaryOperator operator)

Description copied from interface: ByteList

Replaces each element of this list with the result of applying the operator to that element.

Specified by:

replaceAll in interface ByteList

Parameters:

operator - the operator to apply to each element.

See Also:

• List.replaceAll(java.util.function.UnaryOperator<E>)

forEach

public void forEach(ByteConsumer action)

Description copied from class: AbstractByteList

Performs the given action for each element of this type-specific Iterable until all elements have been processed or the action throws an exception.

Specified by:

forEach in interface ByteIterable

Overrides:

forEach in class AbstractByteList

Parameters:

action - the action to be performed for each element.

See Also:

• Iterable.forEach(java.util.function.Consumer)

addAll

public boolean addAll(ByteList c)

Description copied from interface: ByteList

Appends all of the elements in the specified type-specific list to the end of this type-specific list (optional operation).

Specified by:

addAll in interface ByteList

See Also:

• List.addAll(Collection)

addAll

public boolean addAll(int i,
 ByteList c)

Description copied from interface: ByteList

Inserts all of the elements in the specified type-specific list into this type-specific list at the specified position (optional operation).

Specified by:

addAll in interface ByteList

See Also:

• List.addAll(int,Collection)

addAll

public boolean addAll(int i,
 ByteCollection c)

Description copied from interface: ByteList

Inserts all of the elements in the specified type-specific collection into this type-specific list at the specified position (optional operation).

Specified by:

addAll in interface ByteList

Overrides:

addAll in class AbstractByteList

See Also:

• List.addAll(int,java.util.Collection)

addAll

public boolean addAll(ByteCollection c)

Description copied from class: AbstractByteList

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

Specified by:

addAll in interface ByteCollection

Overrides:

addAll in class AbstractByteList

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(ByteCollection c)

Description copied from interface: ByteCollection

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

Specified by:

removeAll in interface ByteCollection

Overrides:

removeAll in class AbstractByteCollection

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(ByteCollection c)

Description copied from interface: ByteCollection

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

Specified by:

retainAll in interface ByteCollection

Overrides:

retainAll in class AbstractByteCollection

Parameters:

c - a type-specific collection.

Returns:

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

See Also:

• Collection.retainAll(Collection)

removeIf

public boolean removeIf(BytePredicate filter)

Description copied from interface: ByteCollection

Remove from this collection all elements which satisfy the given predicate.

Specified by:

removeIf in interface ByteCollection

Parameters:

filter - a predicate which returns true for elements to be removed.

Returns:

true if any elements were removed.

See Also:

• Collection.removeIf(java.util.function.Predicate)

intIterator

public IntIterator intIterator()

Description copied from interface: ByteCollection

Returns a widened primitive iterator on the elements of this collection.

This method is provided for the purpose of APIs that expect only the JDK's primitive iterators, of which there are only int, long, and double.

Specified by:

intIterator in interface ByteCollection

Specified by:

intIterator in interface ByteIterable

Returns:

a widened primitive iterator on the elements of this collection.

intSpliterator

public IntSpliterator intSpliterator()

Description copied from interface: ByteCollection

Returns widened primitive spliterator on the elements of this collection.

This method is provided for the purpose of APIs that expect only the JDK's primitive spliterators, of which there are only int, long, and double.

Specified by:

intSpliterator in interface ByteCollection

Specified by:

intSpliterator in interface ByteIterable

Returns:

a widened primitive spliterator on the elements of this collection.

toArray

@Deprecated
public Object[] toArray()

Deprecated.

Specified by:

toArray in interface Collection<Byte>

Specified by:

toArray in interface List<Byte>

Overrides:

toArray in class AbstractCollection<Byte>

sort

public void sort(ByteComparator comparator)

Description copied from interface: ByteList

Sort a list using a type-specific comparator.

Pass null to sort using natural ordering.

Specified by:

sort in interface ByteList

See Also:

• List.sort(java.util.Comparator)

unstableSort

public void unstableSort(ByteComparator comparator)

Description copied from interface: ByteList

Sorts this list using a sort not assured to be stable.

Pass null to sort using natural ordering.

This differs from List.sort(java.util.Comparator) in that the results are not assured to be stable, but may be a bit faster.

Unless a subclass specifies otherwise, the results of the method if the list is concurrently modified during the sort are unspecified.

Specified by:

unstableSort in interface ByteList

sort

@Deprecated
public void sort(Comparator<? super Byte> comparator)

Deprecated.

Description copied from interface: ByteList

Specified by:

sort in interface ByteList

Specified by:

sort in interface List<Byte>

unstableSort

@Deprecated
public void unstableSort(Comparator<? super Byte> comparator)

Deprecated.

Description copied from interface: ByteList

Sorts this list using a sort not assured to be stable.

Specified by:

unstableSort in interface ByteList

getElements

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

Description copied from class: AbstractByteList

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

This is a trivial iterator-based implementation. It is expected that implementations will override this method with a more optimized version.

Specified by:

getElements in interface ByteList

Overrides:

getElements in class AbstractByteList

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 class: AbstractByteList

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

This is a trivial iterator-based based implementation. It is expected that implementations will override this method with a more optimized version.

Specified by:

removeElements in interface ByteList

Overrides:

removeElements in class AbstractByteList

Parameters:

from - the start index (inclusive).

to - the end index (exclusive).

addElements

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

Description copied from class: AbstractByteList

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

Specified by:

addElements in interface ByteList

Overrides:

addElements in class AbstractByteList

Parameters:

index - the index at which to add elements.

a - the array containing the elements.

addElements

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

Description copied from class: AbstractByteList

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

This is a trivial iterator-based implementation. It is expected that implementations will override this method with a more optimized version.

Specified by:

addElements in interface ByteList

Overrides:

addElements in class AbstractByteList

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.

setElements

public void setElements(byte[] a)

Description copied from interface: ByteList

Set (hopefully quickly) elements to match the array given.

Specified by:

setElements in interface ByteList

Parameters:

a - the array containing the elements.

setElements

public void setElements(int index,
 byte[] a)

Description copied from interface: ByteList

Set (hopefully quickly) elements to match the array given.

Specified by:

setElements in interface ByteList

Parameters:

index - the index at which to start setting elements.

a - the array containing the elements.

setElements

public void setElements(int index,
 byte[] a,
 int offset,
 int length)

Description copied from interface: ByteList

Set (hopefully quickly) elements to match the array given. Sets each in this list to the corresponding elements in the array, as if by

 ListIterator iter = listIterator(index);
 int i = 0;
 while (i < length) {
        iter.next();
        iter.set(a[offset + i++]);
 }
 

However, the exact implementation may be more efficient, taking into account whether random access is faster or not, or at the discretion of subclasses, abuse internals.

Specified by:

setElements in interface ByteList

Overrides:

setElements in class AbstractByteList

Parameters:

index - the index at which to start setting elements.

a - the array containing the elements

offset - the offset of the first element to add.

length - the number of elements to add.

size

public int size()

Specified by:

size in interface Collection<Byte>

Specified by:

size in interface List<Byte>

Specified by:

size in class AbstractCollection<Byte>

size

public void size(int size)

Description copied from interface: ByteList

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 ByteList

Overrides:

size in class AbstractByteList

Parameters:

size - the new size.

clear

public void clear()

Description copied from class: AbstractByteList

Specified by:

clear in interface Collection<Byte>

Specified by:

clear in interface List<Byte>

Overrides:

clear in class AbstractByteList

clone

public Object clone()