Package it.unimi.dsi.fastutil.doubles

Class DoubleLists.SynchronizedList

java.lang.Object

it.unimi.dsi.fastutil.doubles.DoubleLists.SynchronizedList

All Implemented Interfaces:

DoubleCollection, DoubleIterable, DoubleList, Serializable, Comparable<List<? extends Double>>, Iterable<Double>, Collection<Double>, List<Double>, SequencedCollection<Double>

Direct Known Subclasses:

DoubleLists.SynchronizedRandomAccessList

Enclosing class:

DoubleLists

public static class DoubleLists.SynchronizedList
extends Object
implements DoubleList, Serializable

A synchronized wrapper class for lists.

See Also:

• Serialized Form

Method Summary

Modifier and Type	Method	Description
boolean	add(double k)	Ensures that this collection contains the specified element (optional operation).
void	add(int i, double k)	Inserts the specified element at the specified position in this list (optional operation).
void	add(int i, Double k)	Deprecated. Please use the corresponding type-specific method instead.
boolean	add(Double k)	Deprecated.
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, Collection<? extends Double> c)
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(Collection<? extends 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(List<? extends Double> o)
boolean	contains(double k)	Returns true if this collection contains the specified element.
boolean	contains(Object k)	Deprecated.
boolean	containsAll(DoubleCollection c)	Checks whether this collection contains all elements from the given type-specific collection.
boolean	containsAll(Collection<?> c)
DoubleIterator	doubleIterator()	Returns a primitive iterator on the elements of this collection.
DoubleStream	doubleParallelStream()	Return a parallel primitive stream over the elements, performing widening casts if needed.
DoubleSpliterator	doubleSpliterator()	Returns a primitive spliterator on the elements of this collection.
DoubleStream	doubleStream()	Return a primitive stream over the elements, performing widening casts if needed.
boolean	equals(Object o)
void	forEach(DoubleConsumer action)	Performs the given action for each element of this type-specific Iterable until all elements have been processed or the action throws an exception.
Double	get(int i)	Deprecated. Please use the corresponding type-specific method instead.
double	getDouble(int i)	Returns the element at the specified position in this list.
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()
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.
int	indexOf(Object o)	Deprecated. Please use the corresponding type-specific method instead.
boolean	isEmpty()
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.
int	lastIndexOf(Object o)	Deprecated. Please use the corresponding type-specific method instead.
DoubleListIterator	listIterator()	Returns a type-specific list iterator on the list.
DoubleListIterator	listIterator(int i)	Returns a type-specific list iterator on the list starting at a given index.
Stream<Double>	parallelStream()	Deprecated.
boolean	rem(double k)	Removes a single instance of the specified element from this collection, if it is present (optional operation).
Double	remove(int i)	Deprecated. Please use the corresponding type-specific method instead.
boolean	remove(Object k)	Deprecated.
boolean	removeAll(DoubleCollection c)	Remove from this collection all elements in the given type-specific collection.
boolean	removeAll(Collection<?> c)
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.
boolean	removeIf(DoublePredicate filter)	Remove from this collection all elements which satisfy the given predicate.
void	replaceAll(DoubleUnaryOperator operator)	Replaces each element of this list with the result of applying the operator to that element.
boolean	retainAll(DoubleCollection c)	Retains in this collection only elements from the given type-specific collection.
boolean	retainAll(Collection<?> c)
double	set(int i, double k)	Replaces the element at the specified position in this list with the specified element (optional operation).
Double	set(int index, Double k)	Deprecated. Please use the corresponding type-specific method instead.
void	setElements(double[] a)	Set (hopefully quickly) elements to match the array given.
void	setElements(int index, double[] a)	Set (hopefully quickly) elements to match the array given.
void	setElements(int index, double[] 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(DoubleComparator comparator)	Sort a list using a type-specific comparator.
void	sort(Comparator<? super Double> comparator)	Deprecated.
DoubleSpliterator	spliterator()	Returns a type-specific spliterator on the elements of this collection.
Stream<Double>	stream()	Deprecated.
DoubleList	subList(int from, int to)	Returns a type-specific view of the portion of this list from the index from, inclusive, to the index to, exclusive.
Object[]	toArray()
double[]	toArray(double[] a)	Returns an array containing all of the elements in this collection; the runtime type of the returned array is that of the specified array.
<T> T[]	toArray(T[] a)
double[]	toDoubleArray()	Returns a primitive type array containing the items of this collection.
double[]	toDoubleArray(double[] a)	Deprecated.
String	toString()
void	unstableSort(DoubleComparator comparator)	Sorts this list using a sort not assured to be stable.
void	unstableSort(Comparator<? super Double> comparator)	Deprecated.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

toArray

Methods inherited from interface it.unimi.dsi.fastutil.doubles.DoubleCollection

addAll, contains, containsAll, doubleIterator, doubleParallelStream, doubleSpliterator, doubleStream, parallelStream, rem, removeAll, removeIf, removeIf, retainAll, stream, toArray, toDoubleArray, toDoubleArray

Methods inherited from interface it.unimi.dsi.fastutil.doubles.DoubleIterable

forEach, forEach, forEach

Methods inherited from interface it.unimi.dsi.fastutil.doubles.DoubleList

add, add, contains, remove, replaceAll, replaceAll, spliterator

Methods inherited from interface java.util.List

addAll, addFirst, addLast, clear, containsAll, getFirst, getLast, isEmpty, removeAll, removeFirst, removeLast, retainAll, reversed, size, toArray, toArray

Method Details

getDouble

public double getDouble(int i)

Description copied from interface: DoubleList

Returns the element at the specified position in this list.

Specified by:

getDouble in interface DoubleList

See Also:

• List.get(int)

set

public double set(int i,
 double k)

Description copied from interface: DoubleList

Replaces the element at the specified position in this list with the specified element (optional operation).

Specified by:

set in interface DoubleList

See Also:

• List.set(int,Object)

add

public void add(int i,
 double k)

Description copied from interface: DoubleList

Inserts the specified element at the specified position in this list (optional operation).

Specified by:

add in interface DoubleList

See Also:

• List.add(int,Object)

removeDouble

public double removeDouble(int i)

Description copied from interface: DoubleList

Removes the element at the specified position in this list (optional operation).

Specified by:

removeDouble in interface DoubleList

See Also:

• List.remove(int)

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 interface DoubleList

See Also:

• List.indexOf(Object)

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 interface DoubleList

See Also:

• List.lastIndexOf(Object)

removeIf

public boolean removeIf(DoublePredicate filter)

Description copied from interface: DoubleCollection

Remove from this collection all elements which satisfy the given predicate.

Specified by:

removeIf in interface DoubleCollection

Parameters:

filter - a predicate which returns true for elements to be removed.

Returns:

true if any elements were removed.

See Also:

• Collection.removeIf(java.util.function.Predicate)

replaceAll

public void replaceAll(DoubleUnaryOperator operator)

Description copied from interface: DoubleList

Replaces each element of this list with the result of applying the operator to that element.

Specified by:

replaceAll in interface DoubleList

Parameters:

operator - the operator to apply to each element.

See Also:

• List.replaceAll(java.util.function.UnaryOperator<E>)

addAll

public boolean addAll(int index,
 Collection<? extends Double> c)

Specified by:

addAll in interface List<Double>

getElements

public void getElements(int from,
 double[] a,
 int offset,
 int length)

Description copied from interface: DoubleList

Copies (hopefully quickly) elements of this type-specific list into the given array.

Specified by:

getElements in interface DoubleList

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: DoubleList

Removes (hopefully quickly) elements of this type-specific list.

Specified by:

removeElements in interface DoubleList

Parameters:

from - the start index (inclusive).

to - the end index (exclusive).

addElements

public void addElements(int index,
 double[] a,
 int offset,
 int length)

Description copied from interface: DoubleList

Add (hopefully quickly) elements to this type-specific list.

Specified by:

addElements in interface DoubleList

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,
 double[] a)

Description copied from interface: DoubleList

Add (hopefully quickly) elements to this type-specific list.

Specified by:

addElements in interface DoubleList

Parameters:

index - the index at which to add elements.

a - the array containing the elements.

setElements

public void setElements(double[] a)

Description copied from interface: DoubleList

Set (hopefully quickly) elements to match the array given.

Specified by:

setElements in interface DoubleList

Parameters:

a - the array containing the elements.

setElements

public void setElements(int index,
 double[] a)

Description copied from interface: DoubleList

Set (hopefully quickly) elements to match the array given.

Specified by:

setElements in interface DoubleList

Parameters:

index - the index at which to start setting elements.

a - the array containing the elements.

setElements

public void setElements(int index,
 double[] a,
 int offset,
 int length)

Description copied from interface: DoubleList

Set (hopefully quickly) elements to match the array given. Sets each in this list to the corresponding elements in the array, as if by

 ListIterator iter = listIterator(index);
 int i = 0;
 while (i < length) {
        iter.next();
        iter.set(a[offset + i++]);
 }
 

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.

Specified by:

setElements in interface DoubleList

Parameters:

index - the index at which to start setting elements.

a - the array containing the elements

offset - the offset of the first element to add.

length - the number of elements to add.

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 interface DoubleList

Parameters:

size - the new size.

listIterator

public DoubleListIterator listIterator()

Description copied from interface: DoubleList

Returns a type-specific list iterator on the list.

Specified by:

listIterator in interface DoubleList

Specified by:

listIterator in interface List<Double>

See Also:

• List.listIterator()

iterator

public DoubleListIterator iterator()

Description copied from interface: DoubleCollection

Returns a type-specific iterator on the elements of this collection.

Specified by:

iterator in interface Collection<Double>

Specified by:

iterator in interface DoubleCollection

Specified by:

iterator in interface DoubleIterable

Specified by:

iterator in interface DoubleList

Specified by:

iterator in interface Iterable<Double>

Specified by:

iterator in interface List<Double>

Returns:

a type-specific iterator on the elements of this collection.

See Also:

• Iterable.iterator()

listIterator

public DoubleListIterator listIterator(int i)

Description copied from interface: DoubleList

Returns a type-specific list iterator on the list starting at a given index.

Specified by:

listIterator in interface DoubleList

Specified by:

listIterator in interface List<Double>

See Also:

• List.listIterator(int)

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 index from, inclusive, to the index to, exclusive.

Specified by:

subList in interface DoubleList

Specified by:

subList in interface List<Double>

See Also:

• List.subList(int,int)

equals

public boolean equals(Object o)

Specified by:

equals in interface Collection<Double>

Specified by:

equals in interface List<Double>

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<Double>

Specified by:

hashCode in interface List<Double>

compareTo

public int compareTo(List<? extends Double> o)

Specified by:

compareTo in interface Comparable<List<? extends Double>>

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 interface DoubleList

See Also:

• List.addAll(int,java.util.Collection)

addAll

public boolean addAll(int index,
 DoubleList l)

Description copied from interface: DoubleList

Inserts all of the elements in the specified type-specific list into this type-specific list at the specified position (optional operation).

Specified by:

addAll in interface DoubleList

See Also:

• List.addAll(int,Collection)

addAll

public boolean addAll(DoubleList l)

Description copied from interface: DoubleList

Appends all of the elements in the specified type-specific list to the end of this type-specific list (optional operation).

Specified by:

addAll in interface DoubleList

See Also:

• List.addAll(Collection)

get

@Deprecated
public Double get(int i)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

get in interface DoubleList

Specified by:

get in interface List<Double>

add

@Deprecated
public void add(int i,
 Double k)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

add in interface DoubleList

Specified by:

add in interface List<Double>

set

@Deprecated
public Double set(int index,
 Double k)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

set in interface DoubleList

Specified by:

set in interface List<Double>

remove

@Deprecated
public Double remove(int i)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

remove in interface DoubleList

Specified by:

remove in interface List<Double>

indexOf

@Deprecated
public int indexOf(Object o)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

indexOf in interface DoubleList

Specified by:

indexOf in interface List<Double>

lastIndexOf

@Deprecated
public int lastIndexOf(Object o)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

lastIndexOf in interface DoubleList

Specified by:

lastIndexOf in interface List<Double>

sort

public void sort(DoubleComparator comparator)

Description copied from interface: DoubleList

Sort a list using a type-specific comparator.

Pass null to sort using natural ordering.

Specified by:

sort in interface DoubleList

See Also:

• List.sort(java.util.Comparator)

unstableSort

public void unstableSort(DoubleComparator comparator)

Description copied from interface: DoubleList

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 interface DoubleList

sort

@Deprecated
public void sort(Comparator<? super Double> comparator)

Deprecated.

Description copied from interface: DoubleList

Specified by:

sort in interface DoubleList

Specified by:

sort in interface List<Double>

unstableSort

@Deprecated
public void unstableSort(Comparator<? super Double> comparator)

Deprecated.

Description copied from interface: DoubleList

Sorts this list using a sort not assured to be stable.

Specified by:

unstableSort in interface DoubleList

add

public boolean add(double k)

Description copied from interface: DoubleCollection

Ensures that this collection contains the specified element (optional operation).

Specified by:

add in interface DoubleCollection

See Also:

• Collection.add(Object)

contains

public boolean contains(double k)

Description copied from interface: DoubleCollection

Returns true if this collection contains the specified element.

Specified by:

contains in interface DoubleCollection

See Also:

• Collection.contains(Object)

rem

public boolean rem(double k)

Description copied from interface: DoubleCollection

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 the List interface forces us to use a distinguished name. For simplicity, the set interfaces reinstates remove().

Specified by:

rem in interface DoubleCollection

See Also:

• Collection.remove(Object)

size

public int size()

Specified by:

size in interface Collection<Double>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<Double>

toDoubleArray

public double[] toDoubleArray()

Description copied from interface: DoubleCollection

Returns a primitive type array containing the items of this collection.

Specified by:

toDoubleArray in interface DoubleCollection

Returns:

a primitive type array containing the items of this collection.

See Also:

• Collection.toArray()

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<Double>

toDoubleArray

@Deprecated
public double[] toDoubleArray(double[] a)

Deprecated.

Description copied from interface: DoubleCollection

Returns a primitive type array containing the items of this collection.

Note that, contrarily to Collection.toArray(Object[]), this methods just writes all elements of this collection: no special value will be added after the last one.

Specified by:

toDoubleArray in interface DoubleCollection

Parameters:

a - if this array is big enough, it will be used to store this collection.

Returns:

a primitive type array containing the items of this collection.

See Also:

• Collection.toArray(Object[])

toArray

public double[] toArray(double[] a)

Description copied from interface: DoubleCollection

Returns an array containing all of the elements in this collection; the runtime type of the returned array is that of the specified array.

Note that, contrarily to Collection.toArray(Object[]), this methods just writes all elements of this collection: no special value will be added after the last one.

Specified by:

toArray in interface DoubleCollection

Parameters:

a - if this array is big enough, it will be used to store this collection.

Returns:

a primitive type array containing the items of this collection.

See Also:

• Collection.toArray(Object[])

addAll

public boolean addAll(DoubleCollection c)

Description copied from interface: DoubleCollection

Adds all elements of the given type-specific collection to this collection.

Specified by:

addAll in interface DoubleCollection

Parameters:

c - a type-specific collection.

Returns:

true if this collection changed as a result of the call.

See Also:

• Collection.addAll(Collection)

containsAll

public boolean containsAll(DoubleCollection c)

Description copied from interface: DoubleCollection

Checks whether this collection contains all elements from the given type-specific collection.

Specified by:

containsAll in interface DoubleCollection

Parameters:

c - a type-specific collection.

Returns:

true if this collection contains all elements of the argument.

See Also:

• Collection.containsAll(Collection)

removeAll

public boolean removeAll(DoubleCollection c)

Description copied from interface: DoubleCollection

Remove from this collection all elements in the given type-specific collection.

Specified by:

removeAll in interface DoubleCollection

Parameters:

c - a type-specific collection.

Returns:

true if this collection changed as a result of the call.

See Also:

• Collection.removeAll(Collection)

retainAll

public boolean retainAll(DoubleCollection c)

Description copied from interface: DoubleCollection

Retains in this collection only elements from the given type-specific collection.

Specified by:

retainAll in interface DoubleCollection

Parameters:

c - a type-specific collection.

Returns:

true if this collection changed as a result of the call.

See Also:

• Collection.retainAll(Collection)

add

@Deprecated
public boolean add(Double k)

Deprecated.

Description copied from interface: DoubleCollection

Specified by:

add in interface Collection<Double>

Specified by:

add in interface DoubleCollection

contains

@Deprecated
public boolean contains(Object k)

Deprecated.

Description copied from interface: DoubleCollection

Specified by:

contains in interface Collection<Double>

Specified by:

contains in interface DoubleCollection

remove

@Deprecated
public boolean remove(Object k)

Deprecated.

Description copied from interface: DoubleCollection

Specified by:

remove in interface Collection<Double>

Specified by:

remove in interface DoubleCollection

doubleIterator

public DoubleIterator doubleIterator()

Description copied from interface: DoubleCollection

Returns a primitive iterator on the elements of this collection.

This method is identical to DoubleCollection.iterator(), as the type-specific iterator is already compatible with the JDK's primitive iterators. It only exists for compatibility with the other primitive types' Collections that have use for widened iterators.

Specified by:

doubleIterator in interface DoubleCollection

Specified by:

doubleIterator in interface DoubleIterable

Returns:

a primitive iterator on the elements of this collection.

doubleSpliterator

public DoubleSpliterator doubleSpliterator()

Description copied from interface: DoubleCollection

Returns a primitive spliterator on the elements of this collection.

This method is identical to DoubleCollection.spliterator(), as the type-specific spliterator is already compatible with the JDK's primitive spliterators. It only exists for compatibility with the other primitive types' Collections that have use for widened spliterators.

Specified by:

doubleSpliterator in interface DoubleCollection

Specified by:

doubleSpliterator in interface DoubleIterable

Returns:

a primitive spliterator on the elements of this collection.

doubleStream

public DoubleStream doubleStream()

Description copied from interface: DoubleCollection

Return a primitive stream over the elements, performing widening casts if needed.

Specified by:

doubleStream in interface DoubleCollection

Returns:

a primitive stream over the elements.

See Also:

• Collection.stream()
• IntStream

doubleParallelStream

public DoubleStream doubleParallelStream()

Description copied from interface: DoubleCollection

Return a parallel primitive stream over the elements, performing widening casts if needed.

Specified by:

doubleParallelStream in interface DoubleCollection

Returns:

a parallel primitive stream over the elements.

See Also:

• Collection.parallelStream()
• IntStream

toArray

public <T> T[] toArray(T[] a)

Specified by:

toArray in interface Collection<Double>

spliterator

public DoubleSpliterator spliterator()

Description copied from interface: DoubleCollection

Returns a type-specific spliterator on the elements of this collection.

See Collection.spliterator() for more documentation on the requirements of the returned spliterator.

Specified by:

spliterator in interface Collection<Double>

Specified by:

spliterator in interface DoubleCollection

Specified by:

spliterator in interface DoubleIterable

Specified by:

spliterator in interface Iterable<Double>

Returns:

a type-specific spliterator on the elements of this collection.

stream

@Deprecated
public Stream<Double> stream()

Deprecated.

Description copied from interface: DoubleCollection

Specified by:

stream in interface Collection<Double>

Specified by:

stream in interface DoubleCollection

parallelStream

@Deprecated
public Stream<Double> parallelStream()

Deprecated.

Description copied from interface: DoubleCollection

Specified by:

parallelStream in interface Collection<Double>

Specified by:

parallelStream in interface DoubleCollection

forEach

public void forEach(DoubleConsumer action)

Description copied from interface: DoubleIterable

Performs the given action for each element of this type-specific Iterable until all elements have been processed or the action throws an exception.

Specified by:

forEach in interface DoubleIterable

Parameters:

action - the action to be performed for each element.

See Also:

• Iterable.forEach(java.util.function.Consumer)

addAll

public boolean addAll(Collection<? extends Double> c)

Specified by:

addAll in interface Collection<Double>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<Double>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<Double>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<Double>

clear

public void clear()

Specified by:

clear in interface Collection<Double>

toString

public String toString()

Overrides:

toString in class Object