Class IntLists.Singleton
- All Implemented Interfaces:
IntCollection
,IntIterable
,IntList
,IntStack
,Stack<Integer>
,Serializable
,Cloneable
,Comparable<List<? extends Integer>>
,Iterable<Integer>
,Collection<Integer>
,List<Integer>
,RandomAccess
,SequencedCollection<Integer>
- Enclosing class:
IntLists
This class may be useful to implement your own in case you subclass a type-specific list.
- See Also:
-
Nested Class Summary
Nested classes/interfaces inherited from class it.unimi.dsi.fastutil.ints.AbstractIntList
AbstractIntList.IntRandomAccessSubList, AbstractIntList.IntSubList
-
Method Summary
Modifier and TypeMethodDescriptionboolean
addAll
(int i, IntCollection c) Inserts all of the elements in the specified type-specific collection into this type-specific list at the specified position (optional operation).boolean
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 Integer> c) Adds all of the elements in the specified collection to this list (optional operation).boolean
Adds all elements of the given type-specific collection to this collection.boolean
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 Integer> c) void
addElements
(int index, int[] a) Add (hopefully quickly) elements to this type-specific list.void
addElements
(int index, int[] a, int offset, int length) Add (hopefully quickly) elements to this type-specific list.void
clear()
clone()
boolean
contains
(int k) Returns true if this list contains the specified element.void
Deprecated.void
forEach
(IntConsumer action) Performs the given action for each element of this type-specificIterable
until all elements have been processed or the action throws an exception.void
getElements
(int from, int[] a, int offset, int length) Copies (hopefully quickly) elements of this type-specific list into the given array.int
getInt
(int i) Returns the element at the specified position in this list.int
indexOf
(int 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.iterator()
Returns a type-specific iterator on the elements of this collection.Returns a type-specific list iterator on the list.listIterator
(int i) Returns a type-specific list iterator on the list starting at a given index.boolean
rem
(int k) Removes a single instance of the specified element from this collection, if it is present (optional operation).boolean
Remove from this collection all elements in the given type-specific collection.boolean
removeAll
(Collection<?> c) void
removeElements
(int from, int to) Removes (hopefully quickly) elements of this type-specific list.boolean
removeIf
(IntPredicate filter) Remove from this collection all elements which satisfy the given predicate.boolean
Deprecated.int
removeInt
(int i) Removes the element at the specified position in this list (optional operation).void
replaceAll
(IntUnaryOperator operator) Replaces each element of this list with the result of applying the operator to that element.void
replaceAll
(UnaryOperator<Integer> operator) Deprecated.boolean
Retains in this collection only elements from the given type-specific collection.boolean
retainAll
(Collection<?> c) void
setElements
(int[] a) Set (hopefully quickly) elements to match the array given.void
setElements
(int index, int[] a) Set (hopefully quickly) elements to match the array given.void
setElements
(int index, int[] 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
(IntComparator comparator) Sort a list using a type-specific comparator.void
sort
(Comparator<? super Integer> comparator) Deprecated.Returns a type-specific spliterator on the elements of this list.subList
(int from, int to) Returns a type-specific view of the portion of this list from the indexfrom
, inclusive, to the indexto
, exclusive.Object[]
toArray()
Deprecated.int[]
Returns a primitive type array containing the items of this collection.void
unstableSort
(IntComparator comparator) Sorts this list using a sort not assured to be stable.void
unstableSort
(Comparator<? super Integer> comparator) Deprecated.Methods inherited from class it.unimi.dsi.fastutil.ints.AbstractIntList
add, add, compareTo, equals, hashCode, lastIndexOf, peekInt, popInt, push, replaceAll, set, toArray, topInt, toString
Methods inherited from class it.unimi.dsi.fastutil.ints.AbstractIntCollection
add, contains, containsAll, containsAll, forEach, remove, removeIf, toIntArray
Methods inherited from class java.util.AbstractCollection
isEmpty, toArray
Methods inherited from interface java.util.Collection
toArray
Methods inherited from interface it.unimi.dsi.fastutil.ints.IntCollection
containsAll, intIterator, intParallelStream, intSpliterator, intStream, parallelStream, removeIf, stream, toIntArray
Methods inherited from interface it.unimi.dsi.fastutil.ints.IntIterable
forEach
Methods inherited from interface it.unimi.dsi.fastutil.ints.IntList
add, add, contains, get, indexOf, lastIndexOf, remove, remove, set
Methods inherited from interface java.util.List
addFirst, addLast, containsAll, getFirst, getLast, isEmpty, removeFirst, removeLast, reversed, toArray
-
Method Details
-
getInt
public int getInt(int i) Description copied from interface:IntList
Returns the element at the specified position in this list. -
rem
public boolean rem(int k) Description copied from class:AbstractIntList
Removes a single instance of the specified element from this collection, if it is present (optional operation).- Specified by:
rem
in interfaceIntCollection
- Overrides:
rem
in classAbstractIntList
- See Also:
-
removeInt
public int removeInt(int i) Description copied from class:AbstractIntList
Removes the element at the specified position in this list (optional operation).- Specified by:
removeInt
in interfaceIntList
- Overrides:
removeInt
in classAbstractIntList
- See Also:
-
contains
public boolean contains(int k) Description copied from class:AbstractIntList
Returns true if this list contains the specified element.- Specified by:
contains
in interfaceIntCollection
- Overrides:
contains
in classAbstractIntList
- See Also:
-
indexOf
public int indexOf(int k) Description copied from interface:IntList
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 interfaceIntList
- Overrides:
indexOf
in classAbstractIntList
- See Also:
-
toIntArray
public int[] toIntArray()Description copied from interface:IntCollection
Returns a primitive type array containing the items of this collection.- Specified by:
toIntArray
in interfaceIntCollection
- Overrides:
toIntArray
in classAbstractIntList
- Returns:
- a primitive type array containing the items of this collection.
- See Also:
-
listIterator
Description copied from class:AbstractIntList
Returns a type-specific list iterator on the list.- Specified by:
listIterator
in interfaceIntList
- Specified by:
listIterator
in interfaceList<Integer>
- Overrides:
listIterator
in classAbstractIntList
- See Also:
-
iterator
Description copied from class:AbstractIntList
Returns a type-specific iterator on the elements of this collection.- Specified by:
iterator
in interfaceCollection<Integer>
- Specified by:
iterator
in interfaceIntCollection
- Specified by:
iterator
in interfaceIntIterable
- Specified by:
iterator
in interfaceIntList
- Specified by:
iterator
in interfaceIterable<Integer>
- Specified by:
iterator
in interfaceList<Integer>
- Overrides:
iterator
in classAbstractIntList
- Returns:
- a type-specific iterator on the elements of this collection.
- See Also:
-
spliterator
Description copied from interface:IntList
Returns a type-specific spliterator on the elements of this list.List spliterators must report at least
Spliterator.SIZED
andSpliterator.ORDERED
.See
List.spliterator()
for more documentation on the requirements of the returned spliterator.- Specified by:
spliterator
in interfaceCollection<Integer>
- Specified by:
spliterator
in interfaceIntCollection
- Specified by:
spliterator
in interfaceIntIterable
- Specified by:
spliterator
in interfaceIntList
- Specified by:
spliterator
in interfaceIterable<Integer>
- Specified by:
spliterator
in interfaceList<Integer>
- Returns:
- a type-specific spliterator on the elements of this collection.
-
listIterator
Description copied from class:AbstractIntList
Returns a type-specific list iterator on the list starting at a given index.- Specified by:
listIterator
in interfaceIntList
- Specified by:
listIterator
in interfaceList<Integer>
- Overrides:
listIterator
in classAbstractIntList
- See Also:
-
subList
Description copied from interface:IntList
Returns a type-specific view of the portion of this list from the indexfrom
, inclusive, to the indexto
, exclusive. -
forEach
Deprecated.Description copied from interface:IntIterable
- Specified by:
forEach
in interfaceIntIterable
- Specified by:
forEach
in interfaceIterable<Integer>
-
addAll
Description copied from class:AbstractIntList
Adds all of the elements in the specified collection to this list (optional operation).- Specified by:
addAll
in interfaceList<Integer>
- Overrides:
addAll
in classAbstractIntList
-
addAll
Description copied from class:AbstractIntList
- Specified by:
addAll
in interfaceCollection<Integer>
- Specified by:
addAll
in interfaceList<Integer>
- Overrides:
addAll
in classAbstractIntList
-
removeAll
Description copied from class:AbstractIntCollection
- Specified by:
removeAll
in interfaceCollection<Integer>
- Specified by:
removeAll
in interfaceList<Integer>
- Overrides:
removeAll
in classAbstractIntCollection
-
retainAll
Description copied from class:AbstractIntCollection
- Specified by:
retainAll
in interfaceCollection<Integer>
- Specified by:
retainAll
in interfaceList<Integer>
- Overrides:
retainAll
in classAbstractIntCollection
-
removeIf
Deprecated.Description copied from interface:IntCollection
- Specified by:
removeIf
in interfaceCollection<Integer>
- Specified by:
removeIf
in interfaceIntCollection
-
replaceAll
Deprecated.Description copied from interface:IntList
- Specified by:
replaceAll
in interfaceIntList
- Specified by:
replaceAll
in interfaceList<Integer>
-
replaceAll
Description copied from interface:IntList
Replaces each element of this list with the result of applying the operator to that element.- Specified by:
replaceAll
in interfaceIntList
- Parameters:
operator
- the operator to apply to each element.- See Also:
-
forEach
Description copied from class:AbstractIntList
Performs the given action for each element of this type-specificIterable
until all elements have been processed or the action throws an exception.- Specified by:
forEach
in interfaceIntIterable
- Overrides:
forEach
in classAbstractIntList
- Parameters:
action
- the action to be performed for each element.- See Also:
-
addAll
Description copied from interface:IntList
Appends all of the elements in the specified type-specific list to the end of this type-specific list (optional operation). -
addAll
Description copied from interface:IntList
Inserts all of the elements in the specified type-specific list into this type-specific list at the specified position (optional operation). -
addAll
Description copied from interface:IntList
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 interfaceIntList
- Overrides:
addAll
in classAbstractIntList
- See Also:
-
addAll
Description copied from class:AbstractIntList
Adds all elements of the given type-specific collection to this collection.- Specified by:
addAll
in interfaceIntCollection
- Overrides:
addAll
in classAbstractIntList
- Parameters:
c
- a type-specific collection.- Returns:
true
if this collection changed as a result of the call.- See Also:
-
removeAll
Description copied from interface:IntCollection
Remove from this collection all elements in the given type-specific collection.- Specified by:
removeAll
in interfaceIntCollection
- Overrides:
removeAll
in classAbstractIntCollection
- Parameters:
c
- a type-specific collection.- Returns:
true
if this collection changed as a result of the call.- See Also:
-
retainAll
Description copied from interface:IntCollection
Retains in this collection only elements from the given type-specific collection.- Specified by:
retainAll
in interfaceIntCollection
- Overrides:
retainAll
in classAbstractIntCollection
- Parameters:
c
- a type-specific collection.- Returns:
true
if this collection changed as a result of the call.- See Also:
-
removeIf
Description copied from interface:IntCollection
Remove from this collection all elements which satisfy the given predicate.- Specified by:
removeIf
in interfaceIntCollection
- Parameters:
filter
- a predicate which returnstrue
for elements to be removed.- Returns:
true
if any elements were removed.- See Also:
-
toArray
Deprecated.- Specified by:
toArray
in interfaceCollection<Integer>
- Specified by:
toArray
in interfaceList<Integer>
- Overrides:
toArray
in classAbstractCollection<Integer>
-
sort
Description copied from interface:IntList
Sort a list using a type-specific comparator.Pass
null
to sort using natural ordering. -
unstableSort
Description copied from interface:IntList
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 interfaceIntList
-
sort
Deprecated.Description copied from interface:IntList
-
unstableSort
Deprecated.Description copied from interface:IntList
Sorts this list using a sort not assured to be stable.- Specified by:
unstableSort
in interfaceIntList
-
getElements
public void getElements(int from, int[] a, int offset, int length) Description copied from class:AbstractIntList
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 interfaceIntList
- Overrides:
getElements
in classAbstractIntList
- 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:AbstractIntList
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 interfaceIntList
- Overrides:
removeElements
in classAbstractIntList
- Parameters:
from
- the start index (inclusive).to
- the end index (exclusive).
-
addElements
public void addElements(int index, int[] a) Description copied from class:AbstractIntList
Add (hopefully quickly) elements to this type-specific list.- Specified by:
addElements
in interfaceIntList
- Overrides:
addElements
in classAbstractIntList
- Parameters:
index
- the index at which to add elements.a
- the array containing the elements.
-
addElements
public void addElements(int index, int[] a, int offset, int length) Description copied from class:AbstractIntList
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 interfaceIntList
- Overrides:
addElements
in classAbstractIntList
- 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(int[] a) Description copied from interface:IntList
Set (hopefully quickly) elements to match the array given.- Specified by:
setElements
in interfaceIntList
- Parameters:
a
- the array containing the elements.
-
setElements
public void setElements(int index, int[] a) Description copied from interface:IntList
Set (hopefully quickly) elements to match the array given.- Specified by:
setElements
in interfaceIntList
- Parameters:
index
- the index at which to start setting elements.a
- the array containing the elements.
-
setElements
public void setElements(int index, int[] a, int offset, int length) Description copied from interface:IntList
Set (hopefully quickly) elements to match the array given. Sets each in this list to the corresponding elements in the array, as if byListIterator 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 interfaceIntList
- Overrides:
setElements
in classAbstractIntList
- Parameters:
index
- the index at which to start setting elements.a
- the array containing the elementsoffset
- the offset of the first element to add.length
- the number of elements to add.
-
size
public int size()- Specified by:
size
in interfaceCollection<Integer>
- Specified by:
size
in interfaceList<Integer>
- Specified by:
size
in classAbstractCollection<Integer>
-
size
public void size(int size) Description copied from interface:IntList
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 interfaceIntList
- Overrides:
size
in classAbstractIntList
- Parameters:
size
- the new size.
-
clear
public void clear()Description copied from class:AbstractIntList
- Specified by:
clear
in interfaceCollection<Integer>
- Specified by:
clear
in interfaceList<Integer>
- Overrides:
clear
in classAbstractIntList
-
clone
-