Class FloatLists.Singleton
- java.lang.Object
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- java.util.AbstractCollection<Float>
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- it.unimi.dsi.fastutil.floats.AbstractFloatCollection
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- it.unimi.dsi.fastutil.floats.AbstractFloatList
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- it.unimi.dsi.fastutil.floats.FloatLists.Singleton
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- All Implemented Interfaces:
FloatCollection
,FloatIterable
,FloatList
,FloatStack
,Stack<Float>
,Serializable
,Cloneable
,Comparable<List<? extends Float>>
,Iterable<Float>
,Collection<Float>
,List<Float>
,RandomAccess
- Enclosing class:
- FloatLists
public static class FloatLists.Singleton extends AbstractFloatList 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
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Nested Class Summary
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Nested classes/interfaces inherited from class it.unimi.dsi.fastutil.floats.AbstractFloatList
AbstractFloatList.FloatSubList
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Method Summary
All Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description boolean
addAll(int i, FloatCollection 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, FloatList 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 Float> c)
Adds all of the elements in the specified collection to this list (optional operation).boolean
addAll(FloatCollection c)
Adds all elements of the given type-specific collection to this collection.boolean
addAll(FloatList 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 Float> c)
void
addElements(int index, float[] a)
Add (hopefully quickly) elements to this type-specific list.void
addElements(int index, float[] a, int offset, int length)
Add (hopefully quickly) elements to this type-specific list.void
clear()
Object
clone()
boolean
contains(float k)
Returns true if this list contains the specified element.float
getFloat(int i)
Returns the element at the specified position in this list.FloatListIterator
iterator()
Returns a type-specific iterator on the elements of this collection.FloatListIterator
listIterator()
Returns a type-specific list iterator on the list.FloatListIterator
listIterator(int i)
Returns a type-specific list iterator on the list starting at a given index.boolean
rem(float k)
Removes a single instance of the specified element from this collection, if it is present (optional operation).boolean
removeAll(FloatCollection c)
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.float
removeFloat(int i)
Removes the element at the specified position in this list (optional operation).boolean
retainAll(FloatCollection c)
Retains in this collection only elements from the given type-specific collection.boolean
retainAll(Collection<?> c)
void
setElements(float[] a)
Set (hopefully quickly) elements to match the array given.void
setElements(int index, float[] a)
Set (hopefully quickly) elements to match the array given.void
setElements(int index, float[] 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(FloatComparator comparator)
Sort a list using a type-specific comparator.void
sort(Comparator<? super Float> comparator)
Deprecated.FloatList
subList(int from, int to)
Returns a type-specific view of the portion of this list from the indexfrom
, inclusive, to the indexto
, exclusive.float[]
toFloatArray()
Returns a primitive type array containing the items of this collection.void
unstableSort(FloatComparator comparator)
Sorts this list using a sort not assured to be stable.void
unstableSort(Comparator<? super Float> comparator)
Deprecated.-
Methods inherited from class it.unimi.dsi.fastutil.floats.AbstractFloatList
add, add, compareTo, equals, getElements, hashCode, indexOf, lastIndexOf, peekFloat, popFloat, push, set, topFloat, toString
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Methods inherited from class it.unimi.dsi.fastutil.floats.AbstractFloatCollection
add, contains, containsAll, remove, toArray, toFloatArray
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Methods inherited from class java.util.AbstractCollection
containsAll, isEmpty, toArray, toArray
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Methods inherited from interface java.util.Collection
parallelStream, stream, toArray
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Methods inherited from interface it.unimi.dsi.fastutil.floats.FloatCollection
containsAll, removeIf, removeIf, toArray, toFloatArray
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Methods inherited from interface it.unimi.dsi.fastutil.floats.FloatIterable
forEach, forEach
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Methods inherited from interface it.unimi.dsi.fastutil.floats.FloatList
add, add, contains, get, indexOf, lastIndexOf, remove, remove, set
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Methods inherited from interface it.unimi.dsi.fastutil.floats.FloatStack
peek, pop, push, top
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Methods inherited from interface java.util.List
containsAll, isEmpty, replaceAll, spliterator, toArray, toArray
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Method Detail
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getFloat
public float getFloat(int i)
Description copied from interface:FloatList
Returns the element at the specified position in this list.- Specified by:
getFloat
in interfaceFloatList
- See Also:
List.get(int)
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rem
public boolean rem(float k)
Description copied from class:AbstractFloatList
Removes a single instance of the specified element from this collection, if it is present (optional operation).This implementation delegates to
indexOf()
.- Specified by:
rem
in interfaceFloatCollection
- Overrides:
rem
in classAbstractFloatList
- See Also:
List.remove(Object)
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removeFloat
public float removeFloat(int i)
Description copied from class:AbstractFloatList
Removes the element at the specified position in this list (optional operation).This implementation always throws an
UnsupportedOperationException
.- Specified by:
removeFloat
in interfaceFloatList
- Overrides:
removeFloat
in classAbstractFloatList
- See Also:
List.remove(int)
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contains
public boolean contains(float k)
Description copied from class:AbstractFloatList
Returns true if this list contains the specified element.This implementation delegates to
indexOf()
.- Specified by:
contains
in interfaceFloatCollection
- Overrides:
contains
in classAbstractFloatList
- See Also:
List.contains(Object)
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toFloatArray
public float[] toFloatArray()
Description copied from interface:FloatCollection
Returns a primitive type array containing the items of this collection.- Specified by:
toFloatArray
in interfaceFloatCollection
- Overrides:
toFloatArray
in classAbstractFloatCollection
- Returns:
- a primitive type array containing the items of this collection.
- See Also:
Collection.toArray()
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listIterator
public FloatListIterator listIterator()
Description copied from class:AbstractFloatList
Returns a type-specific list iterator on the list.This implementation delegates to
listIterator(0)
.- Specified by:
listIterator
in interfaceFloatList
- Specified by:
listIterator
in interfaceList<Float>
- Overrides:
listIterator
in classAbstractFloatList
- See Also:
List.listIterator()
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iterator
public FloatListIterator iterator()
Description copied from class:AbstractFloatList
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 extendsCollection
.This implementation delegates to
AbstractFloatList.listIterator()
.- Specified by:
iterator
in interfaceCollection<Float>
- Specified by:
iterator
in interfaceFloatCollection
- Specified by:
iterator
in interfaceFloatIterable
- Specified by:
iterator
in interfaceFloatList
- Specified by:
iterator
in interfaceIterable<Float>
- Specified by:
iterator
in interfaceList<Float>
- Overrides:
iterator
in classAbstractFloatList
- Returns:
- a type-specific iterator on the elements of this collection.
- See Also:
Iterable.iterator()
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listIterator
public FloatListIterator listIterator(int i)
Description copied from class:AbstractFloatList
Returns a type-specific list iterator on the list starting at a given index.This implementation is based on the random-access methods.
- Specified by:
listIterator
in interfaceFloatList
- Specified by:
listIterator
in interfaceList<Float>
- Overrides:
listIterator
in classAbstractFloatList
- See Also:
List.listIterator(int)
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subList
public FloatList subList(int from, int to)
Description copied from interface:FloatList
Returns a type-specific view of the portion of this list from the indexfrom
, inclusive, to the indexto
, exclusive.Note that this specification strengthens the one given in
List.subList(int,int)
.- Specified by:
subList
in interfaceFloatList
- Specified by:
subList
in interfaceList<Float>
- Overrides:
subList
in classAbstractFloatList
- See Also:
List.subList(int,int)
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addAll
public boolean addAll(int i, Collection<? extends Float> c)
Description copied from class:AbstractFloatList
Adds all of the elements in the specified collection to this list (optional operation).- Specified by:
addAll
in interfaceList<Float>
- Overrides:
addAll
in classAbstractFloatList
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addAll
public boolean addAll(Collection<? extends Float> c)
Description copied from class:AbstractFloatList
This implementation delegates to the type-specific version of
List.addAll(int, Collection)
.- Specified by:
addAll
in interfaceCollection<Float>
- Specified by:
addAll
in interfaceList<Float>
- Overrides:
addAll
in classAbstractFloatList
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removeAll
public boolean removeAll(Collection<?> c)
- Specified by:
removeAll
in interfaceCollection<Float>
- Specified by:
removeAll
in interfaceList<Float>
- Overrides:
removeAll
in classAbstractCollection<Float>
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retainAll
public boolean retainAll(Collection<?> c)
- Specified by:
retainAll
in interfaceCollection<Float>
- Specified by:
retainAll
in interfaceList<Float>
- Overrides:
retainAll
in classAbstractCollection<Float>
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addAll
public boolean addAll(FloatList c)
Description copied from class:AbstractFloatList
Appends all of the elements in the specified type-specific list to the end of this type-specific list (optional operation).This implementation delegates to the type-specific list version of
List.addAll(int, Collection)
.- Specified by:
addAll
in interfaceFloatList
- Overrides:
addAll
in classAbstractFloatList
- See Also:
List.add(int,Object)
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addAll
public boolean addAll(int i, FloatList c)
Description copied from class:AbstractFloatList
Inserts all of the elements in the specified type-specific list into this type-specific list at the specified position (optional operation).This implementation delegates to the type-specific version of
List.addAll(int, Collection)
.- Specified by:
addAll
in interfaceFloatList
- Overrides:
addAll
in classAbstractFloatList
- See Also:
List.add(int,Object)
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addAll
public boolean addAll(int i, FloatCollection c)
Description copied from interface:FloatList
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 interfaceFloatList
- Overrides:
addAll
in classAbstractFloatList
- See Also:
List.addAll(int,java.util.Collection)
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addAll
public boolean addAll(FloatCollection c)
Description copied from class:AbstractFloatList
Adds all elements of the given type-specific collection to this collection.This implementation delegates to the type-specific version of
List.addAll(int, Collection)
.- Specified by:
addAll
in interfaceFloatCollection
- Overrides:
addAll
in classAbstractFloatList
- Parameters:
c
- a type-specific collection.- Returns:
true
if this collection changed as a result of the call.- See Also:
Collection.addAll(Collection)
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removeAll
public boolean removeAll(FloatCollection c)
Description copied from interface:FloatCollection
Remove from this collection all elements in the given type-specific collection.- Specified by:
removeAll
in interfaceFloatCollection
- Overrides:
removeAll
in classAbstractFloatCollection
- Parameters:
c
- a type-specific collection.- Returns:
true
if this collection changed as a result of the call.- See Also:
Collection.removeAll(Collection)
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retainAll
public boolean retainAll(FloatCollection c)
Description copied from interface:FloatCollection
Retains in this collection only elements from the given type-specific collection.- Specified by:
retainAll
in interfaceFloatCollection
- Overrides:
retainAll
in classAbstractFloatCollection
- Parameters:
c
- a type-specific collection.- Returns:
true
if this collection changed as a result of the call.- See Also:
Collection.retainAll(Collection)
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sort
public void sort(FloatComparator comparator)
Description copied from interface:FloatList
Sort a list using a type-specific comparator.Pass
null
to sort using natural ordering.- Specified by:
sort
in interfaceFloatList
- See Also:
List.sort(java.util.Comparator)
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unstableSort
public void unstableSort(FloatComparator comparator)
Description copied from interface:FloatList
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 interfaceFloatList
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sort
@Deprecated public void sort(Comparator<? super Float> comparator)
Deprecated.Description copied from interface:FloatList
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unstableSort
@Deprecated public void unstableSort(Comparator<? super Float> comparator)
Deprecated.Description copied from interface:FloatList
Sorts this list using a sort not assured to be stable.- Specified by:
unstableSort
in interfaceFloatList
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removeElements
public void removeElements(int from, int to)
Description copied from class:AbstractFloatList
Removes (hopefully quickly) elements of 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:
removeElements
in interfaceFloatList
- Overrides:
removeElements
in classAbstractFloatList
- Parameters:
from
- the start index (inclusive).to
- the end index (exclusive).
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addElements
public void addElements(int index, float[] a)
Description copied from class:AbstractFloatList
Add (hopefully quickly) elements to this type-specific list.This implementation delegates to the analogous method for array fragments.
- Specified by:
addElements
in interfaceFloatList
- Overrides:
addElements
in classAbstractFloatList
- 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, float[] a, int offset, int length)
Description copied from class:AbstractFloatList
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 interfaceFloatList
- Overrides:
addElements
in classAbstractFloatList
- 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(float[] a)
Description copied from interface:FloatList
Set (hopefully quickly) elements to match the array given.- Specified by:
setElements
in interfaceFloatList
- Parameters:
a
- the array containing the elements.
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setElements
public void setElements(int index, float[] a)
Description copied from interface:FloatList
Set (hopefully quickly) elements to match the array given.- Specified by:
setElements
in interfaceFloatList
- 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, float[] a, int offset, int length)
Description copied from interface:FloatList
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 interfaceFloatList
- 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()
- Specified by:
size
in interfaceCollection<Float>
- Specified by:
size
in interfaceList<Float>
- Specified by:
size
in classAbstractCollection<Float>
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size
public void size(int size)
Description copied from interface:FloatList
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 interfaceFloatList
- Overrides:
size
in classAbstractFloatList
- Parameters:
size
- the new size.
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clear
public void clear()
Description copied from class:AbstractFloatList
This implementation delegates to
AbstractFloatList.removeElements(int, int)
.- Specified by:
clear
in interfaceCollection<Float>
- Specified by:
clear
in interfaceList<Float>
- Overrides:
clear
in classAbstractFloatList
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clone
public Object clone()
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