Class AbstractIntList
- java.lang.Object
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- java.util.AbstractCollection<Integer>
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- it.unimi.dsi.fastutil.ints.AbstractIntCollection
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- it.unimi.dsi.fastutil.ints.AbstractIntList
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- All Implemented Interfaces:
IntCollection
,IntIterable
,IntList
,IntStack
,Stack<Integer>
,Comparable<List<? extends Integer>>
,Iterable<Integer>
,Collection<Integer>
,List<Integer>
- Direct Known Subclasses:
AbstractIntList.IntSubList
,IntArrayList
,IntLists.Singleton
public abstract class AbstractIntList extends AbstractIntCollection implements IntList, IntStack
An abstract class providing basic methods for lists implementing a type-specific list interface.As an additional bonus, this class implements on top of the list operations a type-specific stack.
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
AbstractIntList.IntSubList
A class implementing a sublist view.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
add(int k)
Ensures that this collection contains the specified element (optional operation).void
add(int index, int k)
Inserts the specified element at the specified position in this list (optional operation).boolean
addAll(int index, 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 index, IntList l)
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 index, Collection<? extends Integer> c)
Adds all of the elements in the specified collection to this list (optional operation).boolean
addAll(IntCollection c)
Adds all elements of the given type-specific collection to this collection.boolean
addAll(IntList l)
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()
int
compareTo(List<? extends Integer> l)
Compares this list to another object.boolean
contains(int k)
Returns true if this list contains the specified element.boolean
equals(Object o)
void
getElements(int from, int[] a, int offset, int length)
Copies (hopefully quickly) elements of this type-specific list into the given array.int
hashCode()
Returns the hash code for this list, which is identical toList.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.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.IntListIterator
listIterator()
Returns a type-specific list iterator on the list.IntListIterator
listIterator(int index)
Returns a type-specific list iterator on the list starting at a given index.int
peekInt(int i)
Peeks at an element on the stack (optional operation).int
popInt()
Pops the top off the stack.void
push(int o)
Pushes the given object on the stack.boolean
rem(int k)
Removes a single instance of the specified element from this collection, if it is present (optional operation).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).int
set(int index, int k)
Replaces the element at the specified position in this list with the specified element (optional operation).void
size(int size)
Sets the size of this list.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.int
topInt()
Peeks at the top of the stack (optional operation).String
toString()
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Methods inherited from class it.unimi.dsi.fastutil.ints.AbstractIntCollection
add, contains, containsAll, containsAll, remove, removeAll, removeAll, retainAll, retainAll, toArray, toIntArray, toIntArray
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Methods inherited from class java.util.AbstractCollection
isEmpty, size, 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.ints.IntCollection
containsAll, removeAll, removeIf, removeIf, retainAll, toArray, toIntArray, toIntArray
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Methods inherited from interface it.unimi.dsi.fastutil.ints.IntIterable
forEach, forEach
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Methods inherited from interface it.unimi.dsi.fastutil.ints.IntList
add, add, contains, get, getInt, indexOf, lastIndexOf, remove, remove, set, setElements, setElements, setElements, sort, sort, unstableSort, unstableSort
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Methods inherited from interface java.util.List
containsAll, isEmpty, removeAll, replaceAll, retainAll, size, spliterator, toArray, toArray
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Method Detail
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add
public void add(int index, int k)
Inserts the specified element at the specified position in this list (optional operation).This implementation always throws an
UnsupportedOperationException
.- Specified by:
add
in interfaceIntList
- See Also:
List.add(int,Object)
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add
public boolean add(int k)
Ensures that this collection contains the specified element (optional operation).This implementation always throws an
UnsupportedOperationException
.This implementation delegates to the type-specific version of
List.add(int, Object)
.- Specified by:
add
in interfaceIntCollection
- Specified by:
add
in interfaceIntList
- Overrides:
add
in classAbstractIntCollection
- See Also:
Collection.add(Object)
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removeInt
public int removeInt(int i)
Removes the element at the specified position in this list (optional operation).This implementation always throws an
UnsupportedOperationException
.- Specified by:
removeInt
in interfaceIntList
- See Also:
List.remove(int)
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set
public int set(int index, int k)
Replaces the element at the specified position in this list with the specified element (optional operation).This implementation always throws an
UnsupportedOperationException
.- Specified by:
set
in interfaceIntList
- See Also:
List.set(int,Object)
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addAll
public boolean addAll(int index, Collection<? extends Integer> c)
Adds all of the elements in the specified collection to this list (optional operation).
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addAll
public boolean addAll(Collection<? extends Integer> c)
This implementation delegates to the type-specific version if given a type-specific collection, otherwise is uses the implementation from
AbstractCollection
.This implementation delegates to the type-specific version of
List.addAll(int, Collection)
.- Specified by:
addAll
in interfaceCollection<Integer>
- Specified by:
addAll
in interfaceList<Integer>
- Overrides:
addAll
in classAbstractIntCollection
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iterator
public IntListIterator iterator()
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
listIterator()
.- 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>
- Specified by:
iterator
in classAbstractIntCollection
- Returns:
- a type-specific iterator on the elements of this collection.
- See Also:
Iterable.iterator()
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listIterator
public IntListIterator listIterator()
Returns a type-specific list iterator on the list.This implementation delegates to
listIterator(0)
.- Specified by:
listIterator
in interfaceIntList
- Specified by:
listIterator
in interfaceList<Integer>
- See Also:
List.listIterator()
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listIterator
public IntListIterator listIterator(int index)
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 interfaceIntList
- Specified by:
listIterator
in interfaceList<Integer>
- See Also:
List.listIterator(int)
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contains
public boolean contains(int k)
Returns true if this list contains the specified element.This implementation delegates to
indexOf()
.- Specified by:
contains
in interfaceIntCollection
- Overrides:
contains
in classAbstractIntCollection
- See Also:
List.contains(Object)
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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
- See Also:
List.indexOf(Object)
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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)
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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
.
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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.Note that this specification strengthens the one given in
List.subList(int,int)
.
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removeElements
public void removeElements(int from, int to)
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 interfaceIntList
- Parameters:
from
- the start index (inclusive).to
- the end index (exclusive).
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addElements
public void addElements(int index, int[] a, int offset, int length)
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
- 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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addElements
public void addElements(int index, int[] a)
Add (hopefully quickly) elements to this type-specific list.This implementation delegates to the analogous method for array fragments.
- Specified by:
addElements
in interfaceIntList
- Parameters:
index
- the index at which to add elements.a
- the array containing the elements.
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getElements
public void getElements(int from, int[] a, int offset, int length)
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
- 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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clear
public void clear()
This implementation delegates to
removeElements(int, int)
.- Specified by:
clear
in interfaceCollection<Integer>
- Specified by:
clear
in interfaceList<Integer>
- Overrides:
clear
in classAbstractCollection<Integer>
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hashCode
public int hashCode()
Returns the hash code for this list, which is identical toList.hashCode()
.
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equals
public boolean equals(Object o)
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compareTo
public int compareTo(List<? extends Integer> l)
Compares this list to another object. If the argument is aList
, this method performs a lexicographical comparison; otherwise, it throws aClassCastException
.- Specified by:
compareTo
in interfaceComparable<List<? extends Integer>>
- Parameters:
l
- a list.- Returns:
- if the argument is a
List
, a negative integer, zero, or a positive integer as this list is lexicographically less than, equal to, or greater than the argument. - Throws:
ClassCastException
- if the argument is not a list.
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push
public void push(int o)
Description copied from interface:IntStack
Pushes the given object on the stack.- Specified by:
push
in interfaceIntStack
- Parameters:
o
- the object to push on the stack.- See Also:
Stack.push(Object)
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popInt
public int popInt()
Description copied from interface:IntStack
Pops the top off the stack.- Specified by:
popInt
in interfaceIntStack
- Returns:
- the top of the stack.
- See Also:
Stack.pop()
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topInt
public int topInt()
Description copied from interface:IntStack
Peeks at the top of the stack (optional operation).- Specified by:
topInt
in interfaceIntStack
- Returns:
- the top of the stack.
- See Also:
Stack.top()
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peekInt
public int peekInt(int i)
Description copied from interface:IntStack
Peeks at an element on the stack (optional operation).- Specified by:
peekInt
in interfaceIntStack
- Parameters:
i
- an index from the stop of the stack (0 represents the top).- Returns:
- the
i
-th element on the stack. - See Also:
Stack.peek(int)
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rem
public boolean rem(int k)
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 interfaceIntCollection
- Overrides:
rem
in classAbstractIntCollection
- See Also:
List.remove(Object)
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addAll
public boolean addAll(int index, 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).- Specified by:
addAll
in interfaceIntList
- See Also:
List.addAll(int,java.util.Collection)
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addAll
public boolean addAll(int index, IntList l)
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 interfaceIntList
- See Also:
List.add(int,Object)
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addAll
public boolean addAll(IntCollection c)
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 interfaceIntCollection
- Overrides:
addAll
in classAbstractIntCollection
- 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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addAll
public boolean addAll(IntList l)
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 interfaceIntList
- See Also:
List.add(int,Object)
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toString
public String toString()
- Overrides:
toString
in classAbstractIntCollection
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