Class IntLists.EmptyList
- java.lang.Object
-
- java.util.AbstractCollection<java.lang.Integer>
-
- it.unimi.dsi.fastutil.ints.AbstractIntCollection
-
- it.unimi.dsi.fastutil.ints.IntCollections.EmptyCollection
-
- it.unimi.dsi.fastutil.ints.IntLists.EmptyList
-
- All Implemented Interfaces:
IntCollection
,IntIterable
,IntList
,java.io.Serializable
,java.lang.Cloneable
,java.lang.Comparable<java.util.List<? extends java.lang.Integer>>
,java.lang.Iterable<java.lang.Integer>
,java.util.Collection<java.lang.Integer>
,java.util.List<java.lang.Integer>
,java.util.RandomAccess
- Enclosing class:
- IntLists
public static class IntLists.EmptyList extends IntCollections.EmptyCollection implements IntList, java.util.RandomAccess, java.io.Serializable, java.lang.Cloneable
An immutable class representing an empty type-specific list.This class may be useful to implement your own in case you subclass a type-specific list.
- See Also:
- Serialized Form
-
-
Method Summary
All Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description void
add(int index, int k)
Inserts the specified element at the specified position in this list (optional operation).void
add(int index, java.lang.Integer k)
Deprecated.Please use the corresponding type-specific method instead.boolean
add(java.lang.Integer k)
Deprecated.Please use the corresponding type-specific method instead.boolean
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
addAll(int i, IntList 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, java.util.Collection<? extends java.lang.Integer> c)
boolean
addAll(IntList c)
Appends all of the elements in the specified type-specific list to the end of this type-specific list (optional operation).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.java.lang.Object
clone()
int
compareTo(java.util.List<? extends java.lang.Integer> o)
boolean
equals(java.lang.Object o)
java.lang.Integer
get(int index)
Deprecated.Please use the corresponding type-specific method instead.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
hashCode()
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.int
indexOf(java.lang.Object k)
Deprecated.Please use the corresponding type-specific method instead.IntListIterator
iterator()
Returns a type-specific iterator on the elements of this collection.int
lastIndexOf(int k)
Returns the index of the last occurrence of the specified element in this list, or -1 if this list does not contain the element.int
lastIndexOf(java.lang.Object k)
Deprecated.Please use the corresponding type-specific method instead.IntListIterator
listIterator()
Returns a type-specific list iterator on the list.IntListIterator
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).java.lang.Integer
remove(int k)
Deprecated.Please use the corresponding type-specific method instead.void
removeElements(int from, int to)
Removes (hopefully quickly) elements of this type-specific list.int
removeInt(int i)
Removes the element at the specified position in this list (optional operation).void
replaceAll(java.util.function.IntUnaryOperator operator)
Replaces each element of this list with the result of applying the operator to that element.void
replaceAll(java.util.function.UnaryOperator<java.lang.Integer> operator)
Deprecated.int
set(int index, int k)
Replaces the element at the specified position in this list with the specified element (optional operation).java.lang.Integer
set(int index, java.lang.Integer k)
Deprecated.Please use the corresponding type-specific method instead.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.void
size(int s)
Sets the size of this list.void
sort(IntComparator comparator)
Sort a list using a type-specific comparator.void
sort(java.util.Comparator<? super java.lang.Integer> comparator)
Deprecated.IntList
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.String
toString()
void
unstableSort(IntComparator comparator)
Sorts this list using a sort not assured to be stable.void
unstableSort(java.util.Comparator<? super java.lang.Integer> comparator)
Deprecated.-
Methods inherited from class it.unimi.dsi.fastutil.ints.IntCollections.EmptyCollection
addAll, addAll, clear, contains, containsAll, containsAll, forEach, forEach, removeAll, removeAll, removeIf, removeIf, retainAll, retainAll, size, spliterator, toArray, toArray, toIntArray, toIntArray
-
Methods inherited from class it.unimi.dsi.fastutil.ints.AbstractIntCollection
add, contains, forEach, remove, removeIf, toArray
-
Methods inherited from interface it.unimi.dsi.fastutil.ints.IntCollection
addAll, contains, containsAll, intIterator, intParallelStream, intSpliterator, intStream, parallelStream, removeAll, removeIf, removeIf, removeIf, retainAll, stream, toArray, toIntArray, toIntArray
-
Methods inherited from interface it.unimi.dsi.fastutil.ints.IntIterable
forEach, forEach, forEach
-
Methods inherited from interface it.unimi.dsi.fastutil.ints.IntList
add, contains, remove, replaceAll, spliterator
-
-
-
-
Method Detail
-
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:AbstractIntCollection
Removes a single instance of the specified element from this collection, if it is present (optional operation).Note that this method should be called
remove()
, but the clash with the similarly named index-based method in theList
interface forces us to use a distinguished name. For simplicity, the set interfaces reinstatesremove()
.- Specified by:
rem
in interfaceIntCollection
- Overrides:
rem
in classAbstractIntCollection
- See Also:
Collection.remove(Object)
-
removeInt
public int removeInt(int i)
Description copied from interface:IntList
Removes the element at the specified position in this list (optional operation).
-
add
public void add(int index, int k)
Description copied from interface:IntList
Inserts the specified element at the specified position in this list (optional operation).
-
set
public int set(int index, int k)
Description copied from interface:IntList
Replaces the element at the specified position in this list with the specified element (optional operation).
-
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.
-
lastIndexOf
public int lastIndexOf(int k)
Description copied from interface:IntList
Returns the index of the last occurrence of the specified element in this list, or -1 if this list does not contain the element.- Specified by:
lastIndexOf
in interfaceIntList
- See Also:
List.lastIndexOf(Object)
-
addAll
public boolean addAll(int i, java.util.Collection<? extends java.lang.Integer> c)
- Specified by:
addAll
in interfacejava.util.List<java.lang.Integer>
-
replaceAll
@Deprecated public void replaceAll(java.util.function.UnaryOperator<java.lang.Integer> operator)
Deprecated.Description copied from interface:IntList
- Specified by:
replaceAll
in interfaceIntList
- Specified by:
replaceAll
in interfacejava.util.List<java.lang.Integer>
-
replaceAll
public void replaceAll(java.util.function.IntUnaryOperator operator)
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:
List.replaceAll(java.util.function.UnaryOperator<E>)
-
addAll
public boolean addAll(IntList c)
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
public boolean addAll(int i, IntCollection c)
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).
-
addAll
public boolean addAll(int i, IntList c)
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).
-
add
@Deprecated public void add(int index, java.lang.Integer k)
Deprecated.Please use the corresponding type-specific method instead.
-
get
@Deprecated public java.lang.Integer get(int index)
Deprecated.Please use the corresponding type-specific method instead.
-
add
@Deprecated public boolean add(java.lang.Integer k)
Deprecated.Please use the corresponding type-specific method instead.- Specified by:
add
in interfacejava.util.Collection<java.lang.Integer>
- Specified by:
add
in interfaceIntCollection
- Specified by:
add
in interfaceIntList
- Specified by:
add
in interfacejava.util.List<java.lang.Integer>
- Overrides:
add
in classAbstractIntCollection
-
set
@Deprecated public java.lang.Integer set(int index, java.lang.Integer k)
Deprecated.Please use the corresponding type-specific method instead.
-
remove
@Deprecated public java.lang.Integer remove(int k)
Deprecated.Please use the corresponding type-specific method instead.
-
indexOf
@Deprecated public int indexOf(java.lang.Object k)
Deprecated.Please use the corresponding type-specific method instead.
-
lastIndexOf
@Deprecated public int lastIndexOf(java.lang.Object k)
Deprecated.Please use the corresponding type-specific method instead.- Specified by:
lastIndexOf
in interfaceIntList
- Specified by:
lastIndexOf
in interfacejava.util.List<java.lang.Integer>
-
sort
public void sort(IntComparator comparator)
Description copied from interface:IntList
Sort a list using a type-specific comparator.Pass
null
to sort using natural ordering.
-
unstableSort
public void unstableSort(IntComparator comparator)
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 public void sort(java.util.Comparator<? super java.lang.Integer> comparator)
Deprecated.Description copied from interface:IntList
-
unstableSort
@Deprecated public void unstableSort(java.util.Comparator<? super java.lang.Integer> comparator)
Deprecated.Description copied from interface:IntList
Sorts this list using a sort not assured to be stable.- Specified by:
unstableSort
in interfaceIntList
-
listIterator
public IntListIterator listIterator()
Description copied from interface:IntList
Returns a type-specific list iterator on the list.- Specified by:
listIterator
in interfaceIntList
- Specified by:
listIterator
in interfacejava.util.List<java.lang.Integer>
- See Also:
List.listIterator()
-
iterator
public IntListIterator iterator()
Description copied from interface:IntCollection
Returns a type-specific iterator on the elements of this collection.- Specified by:
iterator
in interfacejava.util.Collection<java.lang.Integer>
- Specified by:
iterator
in interfaceIntCollection
- Specified by:
iterator
in interfaceIntIterable
- Specified by:
iterator
in interfaceIntList
- Specified by:
iterator
in interfacejava.lang.Iterable<java.lang.Integer>
- Specified by:
iterator
in interfacejava.util.List<java.lang.Integer>
- Overrides:
iterator
in classIntCollections.EmptyCollection
- Returns:
- a type-specific iterator on the elements of this collection.
- See Also:
Iterable.iterator()
-
listIterator
public IntListIterator listIterator(int i)
Description copied from interface:IntList
Returns a type-specific list iterator on the list starting at a given index.- Specified by:
listIterator
in interfaceIntList
- Specified by:
listIterator
in interfacejava.util.List<java.lang.Integer>
- See Also:
List.listIterator(int)
-
subList
public IntList subList(int from, int to)
Description copied from interface:IntList
Returns a type-specific view of the portion of this list from the indexfrom
, inclusive, to the indexto
, exclusive.
-
getElements
public void getElements(int from, int[] a, int offset, int length)
Description copied from interface:IntList
Copies (hopefully quickly) elements of this type-specific list into the given array.- Specified by:
getElements
in interfaceIntList
- 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 interface:IntList
Removes (hopefully quickly) elements of this type-specific list.- Specified by:
removeElements
in interfaceIntList
- Parameters:
from
- the start index (inclusive).to
- the end index (exclusive).
-
addElements
public void addElements(int index, int[] a, int offset, int length)
Description copied from interface:IntList
Add (hopefully quickly) elements to this type-specific list.- Specified by:
addElements
in interfaceIntList
- 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.
-
addElements
public void addElements(int index, int[] a)
Description copied from interface:IntList
Add (hopefully quickly) elements to this type-specific list.- Specified by:
addElements
in interfaceIntList
- Parameters:
index
- the index at which to add elements.a
- the array containing the elements.
-
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 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 interfaceIntList
- 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 void size(int s)
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
.
-
compareTo
public int compareTo(java.util.List<? extends java.lang.Integer> o)
- Specified by:
compareTo
in interfacejava.lang.Comparable<java.util.List<? extends java.lang.Integer>>
-
clone
public java.lang.Object clone()
-
hashCode
public int hashCode()
- Specified by:
hashCode
in interfacejava.util.Collection<java.lang.Integer>
- Specified by:
hashCode
in interfacejava.util.List<java.lang.Integer>
- Overrides:
hashCode
in classIntCollections.EmptyCollection
-
equals
public boolean equals(java.lang.Object o)
- Specified by:
equals
in interfacejava.util.Collection<java.lang.Integer>
- Specified by:
equals
in interfacejava.util.List<java.lang.Integer>
- Overrides:
equals
in classIntCollections.EmptyCollection
-
toString
public java.lang.String toString()
- Overrides:
toString
in classAbstractIntCollection
-
-