Class LongLists.Singleton
- All Implemented Interfaces:
LongCollection
,LongIterable
,LongList
,LongStack
,Stack<Long>
,Serializable
,Cloneable
,Comparable<List<? extends Long>>
,Iterable<Long>
,Collection<Long>
,List<Long>
,RandomAccess
- Enclosing class:
LongLists
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.longs.AbstractLongList
AbstractLongList.LongRandomAccessSubList, AbstractLongList.LongSubList
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Method Summary
Modifier and TypeMethodDescriptionboolean
addAll
(int i, LongCollection 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 Long> 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 Long> c) void
addElements
(int index, long[] a) Add (hopefully quickly) elements to this type-specific list.void
addElements
(int index, long[] a, int offset, int length) Add (hopefully quickly) elements to this type-specific list.void
clear()
clone()
boolean
contains
(long k) Returns true if this list contains the specified element.void
Deprecated.void
forEach
(LongConsumer 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, long[] a, int offset, int length) Copies (hopefully quickly) elements of this type-specific list into the given array.long
getLong
(int i) Returns the element at the specified position in this list.int
indexOf
(long 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
(long 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
(LongPredicate filter) Remove from this collection all elements which satisfy the given predicate.boolean
Deprecated.long
removeLong
(int i) Removes the element at the specified position in this list (optional operation).void
replaceAll
(LongUnaryOperator operator) Replaces each element of this list with the result of applying the operator to that element.void
replaceAll
(UnaryOperator<Long> operator) Deprecated.boolean
Retains in this collection only elements from the given type-specific collection.boolean
retainAll
(Collection<?> c) void
setElements
(int index, long[] a) Set (hopefully quickly) elements to match the array given.void
setElements
(int index, long[] a, int offset, int length) Set (hopefully quickly) elements to match the array given.void
setElements
(long[] a) Set (hopefully quickly) elements to match the array given.int
size()
void
size
(int size) Sets the size of this list.void
sort
(LongComparator comparator) Sort a list using a type-specific comparator.void
sort
(Comparator<? super Long> 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.long[]
Returns a primitive type array containing the items of this collection.void
unstableSort
(LongComparator comparator) Sorts this list using a sort not assured to be stable.void
unstableSort
(Comparator<? super Long> comparator) Deprecated.Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLongList
add, add, compareTo, equals, hashCode, lastIndexOf, peekLong, popLong, push, replaceAll, set, toArray, topLong, toString
Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLongCollection
add, contains, containsAll, containsAll, forEach, remove, removeIf, toLongArray
Methods inherited from class java.util.AbstractCollection
isEmpty, toArray
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.longs.LongCollection
containsAll, longIterator, longParallelStream, longSpliterator, longStream, parallelStream, removeIf, stream, toLongArray
Methods inherited from interface it.unimi.dsi.fastutil.longs.LongIterable
forEach
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Method Details
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getLong
public long getLong(int i) Description copied from interface:LongList
Returns the element at the specified position in this list. -
rem
public boolean rem(long k) Description copied from class:AbstractLongList
Removes a single instance of the specified element from this collection, if it is present (optional operation).- Specified by:
rem
in interfaceLongCollection
- Overrides:
rem
in classAbstractLongList
- See Also:
-
removeLong
public long removeLong(int i) Description copied from class:AbstractLongList
Removes the element at the specified position in this list (optional operation).- Specified by:
removeLong
in interfaceLongList
- Overrides:
removeLong
in classAbstractLongList
- See Also:
-
contains
public boolean contains(long k) Description copied from class:AbstractLongList
Returns true if this list contains the specified element.- Specified by:
contains
in interfaceLongCollection
- Overrides:
contains
in classAbstractLongList
- See Also:
-
indexOf
public int indexOf(long k) Description copied from interface:LongList
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 interfaceLongList
- Overrides:
indexOf
in classAbstractLongList
- See Also:
-
toLongArray
public long[] toLongArray()Description copied from interface:LongCollection
Returns a primitive type array containing the items of this collection.- Specified by:
toLongArray
in interfaceLongCollection
- Overrides:
toLongArray
in classAbstractLongList
- Returns:
- a primitive type array containing the items of this collection.
- See Also:
-
listIterator
Description copied from class:AbstractLongList
Returns a type-specific list iterator on the list.- Specified by:
listIterator
in interfaceList<Long>
- Specified by:
listIterator
in interfaceLongList
- Overrides:
listIterator
in classAbstractLongList
- See Also:
-
iterator
Description copied from class:AbstractLongList
Returns a type-specific iterator on the elements of this collection.- Specified by:
iterator
in interfaceCollection<Long>
- Specified by:
iterator
in interfaceIterable<Long>
- Specified by:
iterator
in interfaceList<Long>
- Specified by:
iterator
in interfaceLongCollection
- Specified by:
iterator
in interfaceLongIterable
- Specified by:
iterator
in interfaceLongList
- Overrides:
iterator
in classAbstractLongList
- Returns:
- a type-specific iterator on the elements of this collection.
- See Also:
-
spliterator
Description copied from interface:LongList
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<Long>
- Specified by:
spliterator
in interfaceIterable<Long>
- Specified by:
spliterator
in interfaceList<Long>
- Specified by:
spliterator
in interfaceLongCollection
- Specified by:
spliterator
in interfaceLongIterable
- Specified by:
spliterator
in interfaceLongList
- Returns:
- a type-specific spliterator on the elements of this collection.
-
listIterator
Description copied from class:AbstractLongList
Returns a type-specific list iterator on the list starting at a given index.- Specified by:
listIterator
in interfaceList<Long>
- Specified by:
listIterator
in interfaceLongList
- Overrides:
listIterator
in classAbstractLongList
- See Also:
-
subList
Description copied from interface:LongList
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:LongIterable
- Specified by:
forEach
in interfaceIterable<Long>
- Specified by:
forEach
in interfaceLongIterable
-
addAll
Description copied from class:AbstractLongList
Adds all of the elements in the specified collection to this list (optional operation).- Specified by:
addAll
in interfaceList<Long>
- Overrides:
addAll
in classAbstractLongList
-
addAll
Description copied from class:AbstractLongList
- Specified by:
addAll
in interfaceCollection<Long>
- Specified by:
addAll
in interfaceList<Long>
- Overrides:
addAll
in classAbstractLongList
-
removeAll
Description copied from class:AbstractLongCollection
- Specified by:
removeAll
in interfaceCollection<Long>
- Specified by:
removeAll
in interfaceList<Long>
- Overrides:
removeAll
in classAbstractLongCollection
-
retainAll
Description copied from class:AbstractLongCollection
- Specified by:
retainAll
in interfaceCollection<Long>
- Specified by:
retainAll
in interfaceList<Long>
- Overrides:
retainAll
in classAbstractLongCollection
-
removeIf
Deprecated.Description copied from interface:LongCollection
- Specified by:
removeIf
in interfaceCollection<Long>
- Specified by:
removeIf
in interfaceLongCollection
-
replaceAll
Deprecated.Description copied from interface:LongList
- Specified by:
replaceAll
in interfaceList<Long>
- Specified by:
replaceAll
in interfaceLongList
-
replaceAll
Description copied from interface:LongList
Replaces each element of this list with the result of applying the operator to that element.- Specified by:
replaceAll
in interfaceLongList
- Parameters:
operator
- the operator to apply to each element.- See Also:
-
forEach
Description copied from class:AbstractLongList
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 interfaceLongIterable
- Overrides:
forEach
in classAbstractLongList
- Parameters:
action
- the action to be performed for each element.- See Also:
-
addAll
Description copied from interface:LongList
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:LongList
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:LongList
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 interfaceLongList
- Overrides:
addAll
in classAbstractLongList
- See Also:
-
addAll
Description copied from class:AbstractLongList
Adds all elements of the given type-specific collection to this collection.- Specified by:
addAll
in interfaceLongCollection
- Overrides:
addAll
in classAbstractLongList
- 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:LongCollection
Remove from this collection all elements in the given type-specific collection.- Specified by:
removeAll
in interfaceLongCollection
- Overrides:
removeAll
in classAbstractLongCollection
- 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:LongCollection
Retains in this collection only elements from the given type-specific collection.- Specified by:
retainAll
in interfaceLongCollection
- Overrides:
retainAll
in classAbstractLongCollection
- 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:LongCollection
Remove from this collection all elements which satisfy the given predicate.- Specified by:
removeIf
in interfaceLongCollection
- 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<Long>
- Specified by:
toArray
in interfaceList<Long>
- Overrides:
toArray
in classAbstractCollection<Long>
-
sort
Description copied from interface:LongList
Sort a list using a type-specific comparator.Pass
null
to sort using natural ordering. -
unstableSort
Description copied from interface:LongList
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 interfaceLongList
-
sort
Deprecated.Description copied from interface:LongList
-
unstableSort
Deprecated.Description copied from interface:LongList
Sorts this list using a sort not assured to be stable.- Specified by:
unstableSort
in interfaceLongList
-
getElements
public void getElements(int from, long[] a, int offset, int length) Description copied from class:AbstractLongList
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 interfaceLongList
- Overrides:
getElements
in classAbstractLongList
- 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:AbstractLongList
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 interfaceLongList
- Overrides:
removeElements
in classAbstractLongList
- Parameters:
from
- the start index (inclusive).to
- the end index (exclusive).
-
addElements
public void addElements(int index, long[] a) Description copied from class:AbstractLongList
Add (hopefully quickly) elements to this type-specific list.- Specified by:
addElements
in interfaceLongList
- Overrides:
addElements
in classAbstractLongList
- Parameters:
index
- the index at which to add elements.a
- the array containing the elements.
-
addElements
public void addElements(int index, long[] a, int offset, int length) Description copied from class:AbstractLongList
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 interfaceLongList
- Overrides:
addElements
in classAbstractLongList
- 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(long[] a) Description copied from interface:LongList
Set (hopefully quickly) elements to match the array given.- Specified by:
setElements
in interfaceLongList
- Parameters:
a
- the array containing the elements.
-
setElements
public void setElements(int index, long[] a) Description copied from interface:LongList
Set (hopefully quickly) elements to match the array given.- Specified by:
setElements
in interfaceLongList
- Parameters:
index
- the index at which to start setting elements.a
- the array containing the elements.
-
setElements
public void setElements(int index, long[] a, int offset, int length) Description copied from interface:LongList
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 interfaceLongList
- Overrides:
setElements
in classAbstractLongList
- 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<Long>
- Specified by:
size
in interfaceList<Long>
- Specified by:
size
in classAbstractCollection<Long>
-
size
public void size(int size) Description copied from interface:LongList
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 interfaceLongList
- Overrides:
size
in classAbstractLongList
- Parameters:
size
- the new size.
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clear
public void clear()Description copied from class:AbstractLongList
- Specified by:
clear
in interfaceCollection<Long>
- Specified by:
clear
in interfaceList<Long>
- Overrides:
clear
in classAbstractLongList
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clone
-