Class AbstractDoubleList
- java.lang.Object
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- java.util.AbstractCollection<java.lang.Double>
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- it.unimi.dsi.fastutil.doubles.AbstractDoubleCollection
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- it.unimi.dsi.fastutil.doubles.AbstractDoubleList
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- All Implemented Interfaces:
DoubleCollection
,DoubleIterable
,DoubleList
,DoubleStack
,Stack<java.lang.Double>
,java.lang.Comparable<java.util.List<? extends java.lang.Double>>
,java.lang.Iterable<java.lang.Double>
,java.util.Collection<java.lang.Double>
,java.util.List<java.lang.Double>
- Direct Known Subclasses:
AbstractDoubleList.DoubleSubList
,DoubleArrayList
,DoubleLists.Singleton
public abstract class AbstractDoubleList extends AbstractDoubleCollection implements DoubleList, DoubleStack
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
AbstractDoubleList.DoubleSubList
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(double k)
Ensures that this collection contains the specified element (optional operation).void
add(int index, double k)
Inserts the specified element at the specified position in this list (optional operation).boolean
addAll(int index, DoubleCollection 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, DoubleList 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, java.util.Collection<? extends java.lang.Double> c)
Adds all of the elements in the specified collection to this list (optional operation).boolean
addAll(DoubleCollection c)
Adds all elements of the given type-specific collection to this collection.boolean
addAll(DoubleList l)
Appends all of the elements in the specified type-specific list to the end of this type-specific list (optional operation).boolean
addAll(java.util.Collection<? extends java.lang.Double> c)
void
addElements(int index, double[] a)
Add (hopefully quickly) elements to this type-specific list.void
addElements(int index, double[] a, int offset, int length)
Add (hopefully quickly) elements to this type-specific list.void
clear()
int
compareTo(java.util.List<? extends java.lang.Double> l)
Compares this list to another object.boolean
contains(double k)
Returns true if this list contains the specified element.boolean
equals(java.lang.Object o)
void
getElements(int from, double[] 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(double 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.DoubleListIterator
iterator()
Returns a type-specific iterator on the elements of this collection.int
lastIndexOf(double 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.DoubleListIterator
listIterator()
Returns a type-specific list iterator on the list.DoubleListIterator
listIterator(int index)
Returns a type-specific list iterator on the list starting at a given index.double
peekDouble(int i)
Peeks at an element on the stack (optional operation).double
popDouble()
Pops the top off the stack.void
push(double o)
Pushes the given object on the stack.boolean
rem(double k)
Removes a single instance of the specified element from this collection, if it is present (optional operation).double
removeDouble(int i)
Removes the element at the specified position in this list (optional operation).void
removeElements(int from, int to)
Removes (hopefully quickly) elements of this type-specific list.double
set(int index, double 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.DoubleList
subList(int from, int to)
Returns a type-specific view of the portion of this list from the indexfrom
, inclusive, to the indexto
, exclusive.double
topDouble()
Peeks at the top of the stack (optional operation).java.lang.String
toString()
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Methods inherited from class it.unimi.dsi.fastutil.doubles.AbstractDoubleCollection
add, contains, containsAll, remove, removeAll, retainAll, toArray, toDoubleArray, toDoubleArray
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Methods inherited from class java.util.AbstractCollection
containsAll, isEmpty, removeAll, retainAll, size, toArray, toArray
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Methods inherited from interface it.unimi.dsi.fastutil.doubles.DoubleCollection
containsAll, removeAll, removeIf, removeIf, retainAll, toArray, toDoubleArray, toDoubleArray
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Methods inherited from interface it.unimi.dsi.fastutil.doubles.DoubleIterable
forEach, forEach
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Methods inherited from interface it.unimi.dsi.fastutil.doubles.DoubleList
add, add, contains, get, getDouble, indexOf, lastIndexOf, remove, remove, set, setElements, setElements, setElements, sort, sort, unstableSort, unstableSort
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Methods inherited from interface it.unimi.dsi.fastutil.doubles.DoubleStack
peek, pop, push, top
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Method Detail
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add
public void add(int index, double k)
Inserts the specified element at the specified position in this list (optional operation).This implementation always throws an
UnsupportedOperationException
.- Specified by:
add
in interfaceDoubleList
- See Also:
List.add(int,Object)
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add
public boolean add(double 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 interfaceDoubleCollection
- Specified by:
add
in interfaceDoubleList
- Overrides:
add
in classAbstractDoubleCollection
- See Also:
Collection.add(Object)
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removeDouble
public double removeDouble(int i)
Removes the element at the specified position in this list (optional operation).This implementation always throws an
UnsupportedOperationException
.- Specified by:
removeDouble
in interfaceDoubleList
- See Also:
List.remove(int)
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set
public double set(int index, double 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 interfaceDoubleList
- See Also:
List.set(int,Object)
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addAll
public boolean addAll(int index, java.util.Collection<? extends java.lang.Double> c)
Adds all of the elements in the specified collection to this list (optional operation).- Specified by:
addAll
in interfacejava.util.List<java.lang.Double>
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addAll
public boolean addAll(java.util.Collection<? extends java.lang.Double> c)
This implementation delegates to the type-specific version of
List.addAll(int, Collection)
.- Specified by:
addAll
in interfacejava.util.Collection<java.lang.Double>
- Specified by:
addAll
in interfacejava.util.List<java.lang.Double>
- Overrides:
addAll
in classjava.util.AbstractCollection<java.lang.Double>
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iterator
public DoubleListIterator 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 interfacejava.util.Collection<java.lang.Double>
- Specified by:
iterator
in interfaceDoubleCollection
- Specified by:
iterator
in interfaceDoubleIterable
- Specified by:
iterator
in interfaceDoubleList
- Specified by:
iterator
in interfacejava.lang.Iterable<java.lang.Double>
- Specified by:
iterator
in interfacejava.util.List<java.lang.Double>
- Specified by:
iterator
in classAbstractDoubleCollection
- Returns:
- a type-specific iterator on the elements of this collection.
- See Also:
Iterable.iterator()
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listIterator
public DoubleListIterator listIterator()
Returns a type-specific list iterator on the list.This implementation delegates to
listIterator(0)
.- Specified by:
listIterator
in interfaceDoubleList
- Specified by:
listIterator
in interfacejava.util.List<java.lang.Double>
- See Also:
List.listIterator()
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listIterator
public DoubleListIterator 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 interfaceDoubleList
- Specified by:
listIterator
in interfacejava.util.List<java.lang.Double>
- See Also:
List.listIterator(int)
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contains
public boolean contains(double k)
Returns true if this list contains the specified element.This implementation delegates to
indexOf()
.- Specified by:
contains
in interfaceDoubleCollection
- Overrides:
contains
in classAbstractDoubleCollection
- See Also:
List.contains(Object)
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indexOf
public int indexOf(double k)
Description copied from interface:DoubleList
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 interfaceDoubleList
- See Also:
List.indexOf(Object)
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lastIndexOf
public int lastIndexOf(double k)
Description copied from interface:DoubleList
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 interfaceDoubleList
- See Also:
List.lastIndexOf(Object)
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size
public void size(int size)
Description copied from interface:DoubleList
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 interfaceDoubleList
- Parameters:
size
- the new size.
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subList
public DoubleList subList(int from, int to)
Description copied from interface:DoubleList
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 interfaceDoubleList
- Specified by:
subList
in interfacejava.util.List<java.lang.Double>
- See Also:
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 interfaceDoubleList
- Parameters:
from
- the start index (inclusive).to
- the end index (exclusive).
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addElements
public void addElements(int index, double[] 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 interfaceDoubleList
- 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, double[] a)
Add (hopefully quickly) elements to this type-specific list.This implementation delegates to the analogous method for array fragments.
- Specified by:
addElements
in interfaceDoubleList
- 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, double[] 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 interfaceDoubleList
- 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 interfacejava.util.Collection<java.lang.Double>
- Specified by:
clear
in interfacejava.util.List<java.lang.Double>
- Overrides:
clear
in classjava.util.AbstractCollection<java.lang.Double>
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hashCode
public int hashCode()
Returns the hash code for this list, which is identical toList.hashCode()
.- Specified by:
hashCode
in interfacejava.util.Collection<java.lang.Double>
- Specified by:
hashCode
in interfacejava.util.List<java.lang.Double>
- Overrides:
hashCode
in classjava.lang.Object
- Returns:
- the hash code for this list.
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equals
public boolean equals(java.lang.Object o)
- Specified by:
equals
in interfacejava.util.Collection<java.lang.Double>
- Specified by:
equals
in interfacejava.util.List<java.lang.Double>
- Overrides:
equals
in classjava.lang.Object
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compareTo
public int compareTo(java.util.List<? extends java.lang.Double> 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 interfacejava.lang.Comparable<java.util.List<? extends java.lang.Double>>
- 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:
java.lang.ClassCastException
- if the argument is not a list.
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push
public void push(double o)
Description copied from interface:DoubleStack
Pushes the given object on the stack.- Specified by:
push
in interfaceDoubleStack
- Parameters:
o
- the object to push on the stack.- See Also:
Stack.push(Object)
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popDouble
public double popDouble()
Description copied from interface:DoubleStack
Pops the top off the stack.- Specified by:
popDouble
in interfaceDoubleStack
- Returns:
- the top of the stack.
- See Also:
Stack.pop()
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topDouble
public double topDouble()
Description copied from interface:DoubleStack
Peeks at the top of the stack (optional operation).- Specified by:
topDouble
in interfaceDoubleStack
- Returns:
- the top of the stack.
- See Also:
Stack.top()
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peekDouble
public double peekDouble(int i)
Description copied from interface:DoubleStack
Peeks at an element on the stack (optional operation).- Specified by:
peekDouble
in interfaceDoubleStack
- 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(double 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 interfaceDoubleCollection
- Overrides:
rem
in classAbstractDoubleCollection
- See Also:
List.remove(Object)
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addAll
public boolean addAll(int index, DoubleCollection c)
Description copied from interface:DoubleList
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 interfaceDoubleList
- See Also:
List.addAll(int,java.util.Collection)
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addAll
public boolean addAll(int index, DoubleList 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 interfaceDoubleList
- See Also:
List.add(int,Object)
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addAll
public boolean addAll(DoubleCollection 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 interfaceDoubleCollection
- Overrides:
addAll
in classAbstractDoubleCollection
- 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(DoubleList 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 interfaceDoubleList
- See Also:
List.add(int,Object)
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toString
public java.lang.String toString()
- Overrides:
toString
in classAbstractDoubleCollection
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