Class ObjectLists.Singleton<K>
- java.lang.Object
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- java.util.AbstractCollection<K>
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- it.unimi.dsi.fastutil.objects.AbstractObjectCollection<K>
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- it.unimi.dsi.fastutil.objects.AbstractObjectList<K>
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- it.unimi.dsi.fastutil.objects.ObjectLists.Singleton<K>
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- All Implemented Interfaces:
ObjectCollection<K>
,ObjectIterable<K>
,ObjectList<K>
,Stack<K>
,java.io.Serializable
,java.lang.Cloneable
,java.lang.Comparable<java.util.List<? extends K>>
,java.lang.Iterable<K>
,java.util.Collection<K>
,java.util.List<K>
,java.util.RandomAccess
- Enclosing class:
- ObjectLists
public static class ObjectLists.Singleton<K> extends AbstractObjectList<K> implements java.util.RandomAccess, java.io.Serializable, java.lang.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
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Nested Class Summary
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Nested classes/interfaces inherited from class it.unimi.dsi.fastutil.objects.AbstractObjectList
AbstractObjectList.ObjectRandomAccessSubList<K>, AbstractObjectList.ObjectSubList<K>
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
addAll(int i, java.util.Collection<? extends K> c)
Adds all of the elements in the specified collection to this list (optional operation).boolean
addAll(java.util.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.void
clear()
java.lang.Object
clone()
boolean
contains(java.lang.Object k)
Returns true if this list contains the specified element.void
forEach(java.util.function.Consumer<? super K> action)
K
get(int i)
void
getElements(int from, java.lang.Object[] a, int offset, int length)
Copies (hopefully quickly) elements of this type-specific list into the given array.int
indexOf(java.lang.Object k)
ObjectListIterator<K>
iterator()
Returns a type-specific iterator on the elements of this collection.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.K
remove(int i)
boolean
remove(java.lang.Object k)
boolean
removeAll(java.util.Collection<?> c)
void
removeElements(int from, int to)
Removes (hopefully quickly) elements of this type-specific list.boolean
removeIf(java.util.function.Predicate<? super K> filter)
void
replaceAll(java.util.function.UnaryOperator<K> operator)
boolean
retainAll(java.util.Collection<?> c)
void
setElements(int index, K[] a)
Set (hopefully quickly) elements to match the array given.void
setElements(int index, K[] a, int offset, int length)
Set (hopefully quickly) elements to match the array given.void
setElements(K[] a)
Set (hopefully quickly) elements to match the array given.int
size()
void
size(int size)
Sets the size of this list.void
sort(java.util.Comparator<? super K> comparator)
Sorts this list using a sort assured to be stable.ObjectSpliterator<K>
spliterator()
Returns a type-specific spliterator on the elements of this list.ObjectList<K>
subList(int from, int to)
Returns a type-specific view of the portion of this list from the indexfrom
, inclusive, to the indexto
, exclusive.java.lang.Object[]
toArray()
void
unstableSort(java.util.Comparator<? super K> comparator)
Sorts this list using a sort not assured to be stable.-
Methods inherited from class it.unimi.dsi.fastutil.objects.AbstractObjectList
add, add, compareTo, equals, hashCode, lastIndexOf, peek, pop, push, set, toArray, top, toString
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Methods inherited from interface it.unimi.dsi.fastutil.objects.ObjectList
addAll, addAll
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Method Detail
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remove
public boolean remove(java.lang.Object k)
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remove
public K remove(int i)
Description copied from class:AbstractObjectList
- Specified by:
remove
in interfacejava.util.List<K>
- Overrides:
remove
in classAbstractObjectList<K>
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contains
public boolean contains(java.lang.Object k)
Description copied from class:AbstractObjectList
Returns true if this list contains the specified element.- Specified by:
contains
in interfacejava.util.Collection<K>
- Specified by:
contains
in interfacejava.util.List<K>
- Overrides:
contains
in classAbstractObjectList<K>
- See Also:
List.contains(Object)
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indexOf
public int indexOf(java.lang.Object k)
- Specified by:
indexOf
in interfacejava.util.List<K>
- Overrides:
indexOf
in classAbstractObjectList<K>
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toArray
public java.lang.Object[] toArray()
- Specified by:
toArray
in interfacejava.util.Collection<K>
- Specified by:
toArray
in interfacejava.util.List<K>
- Overrides:
toArray
in classAbstractObjectList<K>
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listIterator
public ObjectListIterator<K> listIterator()
Description copied from class:AbstractObjectList
Returns a type-specific list iterator on the list.- Specified by:
listIterator
in interfacejava.util.List<K>
- Specified by:
listIterator
in interfaceObjectList<K>
- Overrides:
listIterator
in classAbstractObjectList<K>
- See Also:
List.listIterator()
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iterator
public ObjectListIterator<K> iterator()
Description copied from class:AbstractObjectList
Returns a type-specific iterator on the elements of this collection.- Specified by:
iterator
in interfacejava.util.Collection<K>
- Specified by:
iterator
in interfacejava.lang.Iterable<K>
- Specified by:
iterator
in interfacejava.util.List<K>
- Specified by:
iterator
in interfaceObjectCollection<K>
- Specified by:
iterator
in interfaceObjectIterable<K>
- Specified by:
iterator
in interfaceObjectList<K>
- Overrides:
iterator
in classAbstractObjectList<K>
- Returns:
- a type-specific iterator on the elements of this collection.
- See Also:
Iterable.iterator()
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spliterator
public ObjectSpliterator<K> spliterator()
Description copied from interface:ObjectList
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 interfacejava.util.Collection<K>
- Specified by:
spliterator
in interfacejava.lang.Iterable<K>
- Specified by:
spliterator
in interfacejava.util.List<K>
- Specified by:
spliterator
in interfaceObjectCollection<K>
- Specified by:
spliterator
in interfaceObjectIterable<K>
- Specified by:
spliterator
in interfaceObjectList<K>
- Returns:
- a type-specific spliterator on the elements of this collection.
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listIterator
public ObjectListIterator<K> listIterator(int i)
Description copied from class:AbstractObjectList
Returns a type-specific list iterator on the list starting at a given index.- Specified by:
listIterator
in interfacejava.util.List<K>
- Specified by:
listIterator
in interfaceObjectList<K>
- Overrides:
listIterator
in classAbstractObjectList<K>
- See Also:
List.listIterator(int)
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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 indexfrom
, inclusive, to the indexto
, exclusive.- Specified by:
subList
in interfacejava.util.List<K>
- Specified by:
subList
in interfaceObjectList<K>
- Overrides:
subList
in classAbstractObjectList<K>
- See Also:
List.subList(int,int)
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forEach
public void forEach(java.util.function.Consumer<? super K> action)
Description copied from class:AbstractObjectList
- Specified by:
forEach
in interfacejava.lang.Iterable<K>
- Overrides:
forEach
in classAbstractObjectList<K>
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addAll
public boolean addAll(int i, java.util.Collection<? extends K> c)
Description copied from class:AbstractObjectList
Adds all of the elements in the specified collection to this list (optional operation).- Specified by:
addAll
in interfacejava.util.List<K>
- Overrides:
addAll
in classAbstractObjectList<K>
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addAll
public boolean addAll(java.util.Collection<? extends K> c)
Description copied from class:AbstractObjectList
- Specified by:
addAll
in interfacejava.util.Collection<K>
- Specified by:
addAll
in interfacejava.util.List<K>
- Overrides:
addAll
in classAbstractObjectList<K>
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removeAll
public boolean removeAll(java.util.Collection<?> c)
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retainAll
public boolean retainAll(java.util.Collection<?> c)
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removeIf
public boolean removeIf(java.util.function.Predicate<? super K> filter)
- Specified by:
removeIf
in interfacejava.util.Collection<K>
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replaceAll
public void replaceAll(java.util.function.UnaryOperator<K> operator)
- Specified by:
replaceAll
in interfacejava.util.List<K>
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sort
public void sort(java.util.Comparator<? super K> comparator)
Description copied from interface:ObjectList
Sorts this list using a sort assured to be stable.Pass
null
to sort using natural ordering.Unless a subclass specifies otherwise, the results of the method if the list is concurrently modified during the sort are unspecified.
- Specified by:
sort
in interfacejava.util.List<K>
- Specified by:
sort
in interfaceObjectList<K>
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unstableSort
public void unstableSort(java.util.Comparator<? super K> comparator)
Description copied from interface:ObjectList
Sorts this list using a sort not assured to be stable. This differs fromList.sort(java.util.Comparator)
in that the results are not assured to be stable, but may be a bit faster.Pass
null
to sort using natural ordering.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 interfaceObjectList<K>
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getElements
public void getElements(int from, java.lang.Object[] a, int offset, int length)
Description copied from class:AbstractObjectList
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 interfaceObjectList<K>
- Overrides:
getElements
in classAbstractObjectList<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.
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removeElements
public void removeElements(int from, int to)
Description copied from class:AbstractObjectList
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 interfaceObjectList<K>
- Overrides:
removeElements
in classAbstractObjectList<K>
- Parameters:
from
- the start index (inclusive).to
- the end index (exclusive).
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addElements
public void addElements(int index, K[] a)
Description copied from class:AbstractObjectList
Add (hopefully quickly) elements to this type-specific list.- Specified by:
addElements
in interfaceObjectList<K>
- Overrides:
addElements
in classAbstractObjectList<K>
- Parameters:
index
- the index at which to add elements.a
- the array containing the elements.
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addElements
public void addElements(int index, K[] a, int offset, int length)
Description copied from class:AbstractObjectList
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 interfaceObjectList<K>
- Overrides:
addElements
in classAbstractObjectList<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.
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setElements
public void setElements(K[] a)
Description copied from interface:ObjectList
Set (hopefully quickly) elements to match the array given.- Specified by:
setElements
in interfaceObjectList<K>
- Parameters:
a
- the array containing the elements.
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setElements
public void setElements(int index, K[] a)
Description copied from interface:ObjectList
Set (hopefully quickly) elements to match the array given.- Specified by:
setElements
in interfaceObjectList<K>
- Parameters:
index
- the index at which to start setting elements.a
- the array containing the elements.
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setElements
public void setElements(int index, K[] a, int offset, int length)
Description copied from interface:ObjectList
Set (hopefully quickly) elements to match the array given. Sets each in this list to the corresponding elements in the array, as if by
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.ListIterator iter = listIterator(index); int i = 0; while (i < length) { iter.next(); iter.set(a[offset + i++]); }
- Specified by:
setElements
in interfaceObjectList<K>
- Overrides:
setElements
in classAbstractObjectList<K>
- 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.
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size
public int size()
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size
public void size(int size)
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 interfaceObjectList<K>
- Overrides:
size
in classAbstractObjectList<K>
- Parameters:
size
- the new size.
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clear
public void clear()
Description copied from class:AbstractObjectList
- Specified by:
clear
in interfacejava.util.Collection<K>
- Specified by:
clear
in interfacejava.util.List<K>
- Overrides:
clear
in classAbstractObjectList<K>
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clone
public java.lang.Object clone()
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