Class DoubleHashSet

java.lang.Object

org.eclipse.collections.impl.primitive.AbstractDoubleIterable

org.eclipse.collections.impl.set.primitive.AbstractDoubleSet

org.eclipse.collections.impl.set.mutable.primitive.DoubleHashSet

All Implemented Interfaces:

Externalizable, Serializable, MutableDoubleCollection, DoubleIterable, PrimitiveIterable, DoubleSet, MutableDoubleSet

public class DoubleHashSet
extends AbstractDoubleSet
implements MutableDoubleSet, Externalizable

This file was automatically generated from template file primitiveHashSet.stg.

Since:

3.0.

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	DoubleHashSet.ImmutableDoubleHashSet
private class	DoubleHashSet.InternalDoubleIterator

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	CACHE_LINE_SIZE
private boolean	copyOnWrite
private static final int	DEFAULT_INITIAL_CAPACITY
private static final double	EMPTY
private static final int	INITIAL_LINEAR_PROBE
private static final int	KEY_SIZE
private int	occupiedWithData
private int	occupiedWithSentinels
private static final double	REMOVED
private static final long	serialVersionUID
private double[]	table
private int	zeroToThirtyOne
private int	zeroToThirtyOneOccupied

Constructor Summary

Constructors

Constructor	Description
DoubleHashSet()
DoubleHashSet(double... elements)
DoubleHashSet(int initialCapacity)
DoubleHashSet(DoubleIterable elements)
DoubleHashSet(DoubleHashSet set)

Method Summary

Modifier and Type	Method	Description
boolean	add(double element)
boolean	addAll(double... source)
boolean	addAll(DoubleIterable source)
protected void	allocateTable(int sizeToAllocate)
boolean	allSatisfy(DoublePredicate predicate)	Returns true if all of the elements in the DoubleIterable return true for the specified predicate, otherwise returns false.
boolean	anySatisfy(DoublePredicate predicate)	Returns true if any of the elements in the DoubleIterable return true for the specified predicate, otherwise returns false.
void	appendString(Appendable appendable, String start, String separator, String end)	Prints a string representation of this collection onto the given Appendable.
MutableDoubleSet	asSynchronized()
MutableDoubleSet	asUnmodifiable()
MutableSet<Double>	boxed()
RichIterable<DoubleIterable>	chunk(int size)	Partitions elements in fixed size chunks.
void	clear()
<V> MutableSet<V>	collect(DoubleToObjectFunction<? extends V> function)	Returns a new collection with the results of applying the specified function on each element of the source collection.
<V, R extends Collection<V>> R	collect(DoubleToObjectFunction<? extends V> function, R target)	Same as DoubleIterable.collect(DoubleToObjectFunction) , only the results are added to the target Collection.
void	compact()	Deprecated. since 12.0 - Use trimToSize() instead
boolean	contains(double value)	Returns true if the value is contained in the DoubleIterable, and false if it is not.
private void	copyTable()
int	count(DoublePredicate predicate)	Returns a count of the number of elements in the DoubleIterable that return true for the specified predicate.
double	detectIfNone(DoublePredicate predicate, double ifNone)
MutableDoubleIterator	doubleIterator()	Returns a primitive iterator that can be used to iterate over the DoubleIterable in an imperative style.
void	each(DoubleProcedure procedure)	A synonym for forEach.
DoubleSet	freeze()	Returns a frozen copy of this set.
int	hashCode()	Follows the same general contract as Set.hashCode().
<T> T	injectInto(T injectedValue, ObjectDoubleToObjectFunction<? super T, ? extends T> function)
private static boolean	isBetweenZeroAndThirtyOne(double value)
private static boolean	isNonSentinel(double value)
private int	mask(int spread)
double	max()
private int	maxOccupiedWithData()
double	min()
DoubleHashSet	newEmpty()	Creates a new empty DoubleHashSet.
static DoubleHashSet	newSet(DoubleIterable source)
static DoubleHashSet	newSetWith(double... source)
(package private) int	probe(double element)
(package private) int	probeThree(double element, int removedIndex)
(package private) int	probeTwo(double element, int removedIndex)
void	readExternal(ObjectInput in)
private void	rehash(int newCapacity)
private void	rehashAndGrow()
DoubleHashSet	reject(DoublePredicate predicate)	Returns a new DoubleIterable with all of the elements in the DoubleIterable that return false for the specified predicate.
<R extends MutableDoubleCollection> R	reject(DoublePredicate predicate, R target)	Same as DoubleIterable.reject(DoublePredicate) , only the results are added to the target MutableDoubleCollection.
boolean	remove(double value)
boolean	removeAll(double... source)
boolean	removeAll(DoubleIterable source)
private boolean	removeZeroToThirtyOne(double value)
boolean	retainAll(double... source)
boolean	retainAll(DoubleIterable source)
DoubleHashSet	select(DoublePredicate predicate)	Returns a new DoubleIterable with all of the elements in the DoubleIterable that return true for the specified predicate.
<R extends MutableDoubleCollection> R	select(DoublePredicate predicate, R target)	Same as DoubleIterable.select(DoublePredicate) , only the results are added to the target MutableDoubleCollection.
int	size()	Returns the number of items in this iterable.
private int	smallestPowerOfTwoGreaterThan(int n)
(package private) int	spreadAndMask(double element)
(package private) int	spreadTwoAndMask(double element)
double	sum()
double[]	toArray()	Converts the DoubleIterable to a primitive double array.
double[]	toArray(double[] array)	Converts the DoubleIterable to a primitive double array.
ImmutableDoubleSet	toImmutable()	Returns an immutable copy of this set.
boolean	trimToSize()
DoubleHashSet	with(double element)
DoubleHashSet	withAll(DoubleIterable elements)
DoubleHashSet	without(double element)
DoubleHashSet	withoutAll(DoubleIterable elements)
void	writeExternal(ObjectOutput out)

Methods inherited from class AbstractDoubleSet

cartesianProduct, equals

Methods inherited from class AbstractDoubleIterable

asLazy, average, maxIfEmpty, median, minIfEmpty, toBag, toList, toSet, toSortedArray, toSortedList, toString

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface DoubleIterable

asLazy, average, averageIfEmpty, collectBoolean, collectByte, collectChar, collectDouble, collectFloat, collectInt, collectLong, collectShort, containsAll, containsAll, containsAny, containsAny, containsNone, containsNone, flatCollect, forEach, injectIntoBoolean, injectIntoByte, injectIntoChar, injectIntoDouble, injectIntoFloat, injectIntoInt, injectIntoLong, injectIntoShort, maxIfEmpty, median, medianIfEmpty, minIfEmpty, noneSatisfy, reduce, reduceIfEmpty, summaryStatistics, toBag, toList, toSet, toSortedArray, toSortedList, toSortedList, toSortedListBy, toSortedListBy

Methods inherited from interface DoubleSet

cartesianProduct, equals, isProperSubsetOf, isSubsetOf, tap

Methods inherited from interface MutableDoubleCollection

removeIf

Methods inherited from interface MutableDoubleSet

difference, intersect, symmetricDifference, tap, union

Methods inherited from interface PrimitiveIterable

appendString, appendString, isEmpty, makeString, makeString, makeString, notEmpty, toString

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

DEFAULT_INITIAL_CAPACITY

private static final int DEFAULT_INITIAL_CAPACITY

See Also:

• Constant Field Values

EMPTY

private static final double EMPTY

See Also:

• Constant Field Values

REMOVED

private static final double REMOVED

See Also:

• Constant Field Values

CACHE_LINE_SIZE

private static final int CACHE_LINE_SIZE

See Also:

• Constant Field Values

KEY_SIZE

private static final int KEY_SIZE

See Also:

• Constant Field Values

INITIAL_LINEAR_PROBE

private static final int INITIAL_LINEAR_PROBE

See Also:

• Constant Field Values

table

private double[] table

occupiedWithData

private int occupiedWithData

occupiedWithSentinels

private int occupiedWithSentinels

zeroToThirtyOne

private int zeroToThirtyOne

zeroToThirtyOneOccupied

private int zeroToThirtyOneOccupied

copyOnWrite

private transient boolean copyOnWrite

Constructor Details

DoubleHashSet

public DoubleHashSet()

DoubleHashSet

public DoubleHashSet(int initialCapacity)

DoubleHashSet

public DoubleHashSet(double... elements)

DoubleHashSet

public DoubleHashSet(DoubleIterable elements)

DoubleHashSet

public DoubleHashSet(DoubleHashSet set)

Method Details

boxed

public MutableSet<Double> boxed()

Specified by:

boxed in interface MutableDoubleSet

smallestPowerOfTwoGreaterThan

private int smallestPowerOfTwoGreaterThan(int n)

newSet

public static DoubleHashSet newSet(DoubleIterable source)

newSetWith

public static DoubleHashSet newSetWith(double... source)

isBetweenZeroAndThirtyOne

private static boolean isBetweenZeroAndThirtyOne(double value)

hashCode

public int hashCode()

Description copied from interface: DoubleSet

Follows the same general contract as Set.hashCode().

Specified by:

hashCode in interface DoubleSet

Specified by:

hashCode in class AbstractDoubleSet

size

public int size()

Description copied from interface: PrimitiveIterable

Returns the number of items in this iterable.

Specified by:

size in interface PrimitiveIterable

appendString

public void appendString(Appendable appendable,
 String start,
 String separator,
 String end)

Description copied from interface: PrimitiveIterable

Prints a string representation of this collection onto the given Appendable. Prints the string returned by PrimitiveIterable.makeString(String, String, String).

Specified by:

appendString in interface PrimitiveIterable

add

public boolean add(double element)

Specified by:

add in interface MutableDoubleCollection

addAll

public boolean addAll(double... source)

Specified by:

addAll in interface MutableDoubleCollection

addAll

public boolean addAll(DoubleIterable source)

Specified by:

addAll in interface MutableDoubleCollection

remove

public boolean remove(double value)

Specified by:

remove in interface MutableDoubleCollection

removeZeroToThirtyOne

private boolean removeZeroToThirtyOne(double value)

removeAll

public boolean removeAll(DoubleIterable source)

Specified by:

removeAll in interface MutableDoubleCollection

removeAll

public boolean removeAll(double... source)

Specified by:

removeAll in interface MutableDoubleCollection

retainAll

public boolean retainAll(DoubleIterable source)

Specified by:

retainAll in interface MutableDoubleCollection

See Also:

• Collection.retainAll(Collection)

retainAll

public boolean retainAll(double... source)

Specified by:

retainAll in interface MutableDoubleCollection

See Also:

• Collection.retainAll(Collection)

clear

public void clear()

Specified by:

clear in interface MutableDoubleCollection

with

public DoubleHashSet with(double element)

Specified by:

with in interface MutableDoubleCollection

Specified by:

with in interface MutableDoubleSet

without

public DoubleHashSet without(double element)

Specified by:

without in interface MutableDoubleCollection

Specified by:

without in interface MutableDoubleSet

withAll

public DoubleHashSet withAll(DoubleIterable elements)

Specified by:

withAll in interface MutableDoubleCollection

Specified by:

withAll in interface MutableDoubleSet

withoutAll

public DoubleHashSet withoutAll(DoubleIterable elements)

Specified by:

withoutAll in interface MutableDoubleCollection

Specified by:

withoutAll in interface MutableDoubleSet

asUnmodifiable

public MutableDoubleSet asUnmodifiable()

Specified by:

asUnmodifiable in interface MutableDoubleCollection

Specified by:

asUnmodifiable in interface MutableDoubleSet

asSynchronized

public MutableDoubleSet asSynchronized()

Specified by:

asSynchronized in interface MutableDoubleCollection

Specified by:

asSynchronized in interface MutableDoubleSet

toImmutable

public ImmutableDoubleSet toImmutable()

Description copied from interface: DoubleSet

Returns an immutable copy of this set. If the set is immutable, it returns itself.

Specified by:

toImmutable in interface DoubleSet

Specified by:

toImmutable in interface MutableDoubleCollection

Specified by:

toImmutable in interface MutableDoubleSet

doubleIterator

public MutableDoubleIterator doubleIterator()

Description copied from interface: DoubleIterable

Returns a primitive iterator that can be used to iterate over the DoubleIterable in an imperative style.

Specified by:

doubleIterator in interface DoubleIterable

Specified by:

doubleIterator in interface MutableDoubleCollection

toArray

public double[] toArray()

Description copied from interface: DoubleIterable

Converts the DoubleIterable to a primitive double array.

Specified by:

toArray in interface DoubleIterable

toArray

public double[] toArray(double[] array)

Description copied from interface: DoubleIterable

Converts the DoubleIterable to a primitive double array. If the collection fits into the provided array it is used to store its elements and is returned from the method, otherwise a new array of the appropriate size is allocated and returned. If the iterable is empty, the target array is returned unchanged.

Specified by:

toArray in interface DoubleIterable

contains

public boolean contains(double value)

Description copied from interface: DoubleIterable

Returns true if the value is contained in the DoubleIterable, and false if it is not.

Specified by:

contains in interface DoubleIterable

each

public void each(DoubleProcedure procedure)

Description copied from interface: DoubleIterable

A synonym for forEach.

Specified by:

each in interface DoubleIterable

Since:

7.0.

select

public DoubleHashSet select(DoublePredicate predicate)

Description copied from interface: DoubleIterable

Returns a new DoubleIterable with all of the elements in the DoubleIterable that return true for the specified predicate.

Specified by:

select in interface DoubleIterable

Specified by:

select in interface DoubleSet

Specified by:

select in interface MutableDoubleCollection

Specified by:

select in interface MutableDoubleSet

select

public <R extends MutableDoubleCollection> R select(DoublePredicate predicate,
 R target)

Description copied from interface: DoubleIterable

Same as DoubleIterable.select(DoublePredicate) , only the results are added to the target MutableDoubleCollection.

Specified by:

select in interface DoubleIterable

Since:

8.1.

reject

public DoubleHashSet reject(DoublePredicate predicate)

Description copied from interface: DoubleIterable

Returns a new DoubleIterable with all of the elements in the DoubleIterable that return false for the specified predicate.

Specified by:

reject in interface DoubleIterable

Specified by:

reject in interface DoubleSet

Specified by:

reject in interface MutableDoubleCollection

Specified by:

reject in interface MutableDoubleSet

reject

public <R extends MutableDoubleCollection> R reject(DoublePredicate predicate,
 R target)

Description copied from interface: DoubleIterable

Same as DoubleIterable.reject(DoublePredicate) , only the results are added to the target MutableDoubleCollection.

Specified by:

reject in interface DoubleIterable

Since:

8.1.

collect

public <V> MutableSet<V> collect(DoubleToObjectFunction<? extends V> function)

Description copied from interface: DoubleIterable

Returns a new collection with the results of applying the specified function on each element of the source collection. This method is also commonly called transform or map.

Specified by:

collect in interface DoubleIterable

Specified by:

collect in interface DoubleSet

Specified by:

collect in interface MutableDoubleCollection

Specified by:

collect in interface MutableDoubleSet

collect

public <V, R extends Collection<V>> R collect(DoubleToObjectFunction<? extends V> function,
 R target)

Description copied from interface: DoubleIterable

Same as DoubleIterable.collect(DoubleToObjectFunction) , only the results are added to the target Collection.

Specified by:

collect in interface DoubleIterable

Since:

8.1.

detectIfNone

public double detectIfNone(DoublePredicate predicate,
 double ifNone)

Specified by:

detectIfNone in interface DoubleIterable

count

public int count(DoublePredicate predicate)

Description copied from interface: DoubleIterable

Returns a count of the number of elements in the DoubleIterable that return true for the specified predicate.

Specified by:

count in interface DoubleIterable

anySatisfy

public boolean anySatisfy(DoublePredicate predicate)

Description copied from interface: DoubleIterable

Returns true if any of the elements in the DoubleIterable return true for the specified predicate, otherwise returns false.

Specified by:

anySatisfy in interface DoubleIterable

allSatisfy

public boolean allSatisfy(DoublePredicate predicate)

Description copied from interface: DoubleIterable

Returns true if all of the elements in the DoubleIterable return true for the specified predicate, otherwise returns false.

Specified by:

allSatisfy in interface DoubleIterable

sum

public double sum()

Specified by:

sum in interface DoubleIterable

max

public double max()

Specified by:

max in interface DoubleIterable

min

public double min()

Specified by:

min in interface DoubleIterable

freeze

public DoubleSet freeze()

Description copied from interface: DoubleSet

Returns a frozen copy of this set. If the set is frozen, it returns itself. A frozen copy is the same thing as an immutable copy without safe-publish guarantees.

Specified by:

freeze in interface DoubleSet

Specified by:

freeze in interface MutableDoubleSet

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

injectInto

public <T> T injectInto(T injectedValue,
 ObjectDoubleToObjectFunction<? super T, ? extends T> function)

Specified by:

injectInto in interface DoubleIterable

chunk

public RichIterable<DoubleIterable> chunk(int size)

Description copied from interface: DoubleIterable

Partitions elements in fixed size chunks.

Specified by:

chunk in interface DoubleIterable

Parameters:

size - the number of elements per chunk

Returns:

A RichIterable containing DoubleIterables of size size, except the last will be truncated if the elements don't divide evenly.

newEmpty

public DoubleHashSet newEmpty()

Creates a new empty DoubleHashSet.

Specified by:

newEmpty in interface MutableDoubleCollection

Specified by:

newEmpty in interface MutableDoubleSet

Since:

9.2.

trimToSize

public boolean trimToSize()

Since:

12.0

compact

@Deprecated
public void compact()

Deprecated.

since 12.0 - Use trimToSize() instead

Rehashes every element in the set into a new backing table of the smallest possible size and eliminating removed sentinels.

rehashAndGrow

private void rehashAndGrow()

rehash

private void rehash(int newCapacity)

allocateTable

protected void allocateTable(int sizeToAllocate)

probe

int probe(double element)

probeTwo

int probeTwo(double element,
 int removedIndex)

probeThree

int probeThree(double element,
 int removedIndex)

spreadAndMask

int spreadAndMask(double element)

spreadTwoAndMask

int spreadTwoAndMask(double element)

mask

private int mask(int spread)

copyTable

private void copyTable()

maxOccupiedWithData

private int maxOccupiedWithData()

isNonSentinel

private static boolean isNonSentinel(double value)