Package org.eclipse.collections.impl.bag.mutable.primitive

Class DoubleHashBag

java.lang.Object

org.eclipse.collections.impl.primitive.AbstractDoubleIterable

org.eclipse.collections.impl.bag.mutable.primitive.DoubleHashBag

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, DoubleBag, MutableDoubleBag, MutableDoubleCollection, DoubleIterable, PrimitiveIterable

public class DoubleHashBag
extends AbstractDoubleIterable
implements MutableDoubleBag, java.io.Externalizable

DoubleHashBag is similar to HashBag, and is memory-optimized for double primitives. This file was automatically generated from template file primitiveHashBag.stg.

Since:

3.0.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	DoubleHashBag.InternalIterator

Field Summary

Fields

Modifier and Type	Field	Description
private DoubleIntHashMap	items
private static long	serialVersionUID
private int	size

Constructor Summary

Constructors

Constructor	Description
DoubleHashBag()
DoubleHashBag(double... elements)
DoubleHashBag(int size)
DoubleHashBag(DoubleIterable iterable)
DoubleHashBag(DoubleHashBag bag)

Method Summary

Modifier and Type	Method	Description
boolean	add(double item)
boolean	addAll(double... source)
boolean	addAll(DoubleIterable source)
void	addOccurrences(double item, int occurrences)
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(java.lang.Appendable appendable, java.lang.String start, java.lang.String separator, java.lang.String end)	Prints a string representation of this collection onto the given Appendable.
MutableDoubleBag	asSynchronized()
MutableDoubleBag	asUnmodifiable()
MutableList<DoubleIntPair>	bottomOccurrences(int count)	Returns the count least frequently occurring items.
RichIterable<DoubleIterable>	chunk(int size)	Partitions elements in fixed size chunks.
void	clear()
<V> MutableBag<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.
boolean	contains(double value)	Returns true if the value is contained in the DoubleIterable, and false if it is not.
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.
boolean	equals(java.lang.Object otherBag)	Follows the same general contract as Bag.equals(Object).
void	forEachWithOccurrences(DoubleIntProcedure procedure)	For each distinct item, with the number of occurrences, execute the specified procedure.
int	hashCode()	Follows the same general contract as Bag.hashCode().
<T> T	injectInto(T injectedValue, ObjectDoubleToObjectFunction<? super T,? extends T> function)
boolean	isEmpty()	Returns true if this iterable has zero items.
double	max()
double	min()
static DoubleHashBag	newBag(int size)
static DoubleHashBag	newBag(DoubleBag source)
static DoubleHashBag	newBag(DoubleIterable source)
static DoubleHashBag	newBagWith(double... source)
DoubleHashBag	newEmpty()	Creates a new empty DoubleHashBag.
boolean	noneSatisfy(DoublePredicate predicate)	Returns true if none of the elements in the DoubleIterable return true for the specified predicate, otherwise returns false.
boolean	notEmpty()	The English equivalent of !this.isEmpty()
int	occurrencesOf(double item)	The occurrences of a distinct item in the bag.
protected MutableList<DoubleIntPair>	occurrencesSortingBy(int n, IntFunction<DoubleIntPair> function, MutableList<DoubleIntPair> returnWhenEmpty)
void	readExternal(java.io.ObjectInput in)
DoubleHashBag	reject(DoublePredicate predicate)	Returns a new DoubleIterable with all of the elements in the DoubleIterable that return false for the specified predicate.
boolean	remove(double item)
boolean	removeAll(double... source)
boolean	removeAll(DoubleIterable source)
boolean	removeIf(DoublePredicate predicate)
boolean	removeOccurrences(double item, int occurrences)
boolean	retainAll(double... source)
boolean	retainAll(DoubleIterable source)
DoubleHashBag	select(DoublePredicate predicate)	Returns a new DoubleIterable with all of the elements in the DoubleIterable that return true for the specified predicate.
DoubleHashBag	selectByOccurrences(IntPredicate predicate)	Returns all elements of the bag that have a number of occurrences that satisfy the predicate.
MutableDoubleSet	selectUnique()	Returns all elements of the bag that have exactly one occurrence.
int	size()	Returns the number of items in this iterable.
int	sizeDistinct()	The size of the Bag when counting only distinct elements.
double	sum()
double[]	toArray()	Converts the DoubleIterable to a primitive double array.
double[]	toArray(double[] array)	Converts the DoubleIterable to a primitive double array.
ImmutableDoubleBag	toImmutable()	Returns an immutable copy of this bag.
protected MutableList<DoubleIntPair>	toListWithOccurrences()
MutableList<DoubleIntPair>	topOccurrences(int count)	Returns the count most frequently occurring items.
DoubleHashBag	with(double element)
DoubleHashBag	with(double element1, double element2)
DoubleHashBag	with(double element1, double element2, double element3)
DoubleHashBag	withAll(DoubleIterable iterable)
DoubleHashBag	without(double element)
DoubleHashBag	withoutAll(DoubleIterable iterable)
void	writeExternal(java.io.ObjectOutput out)

Methods inherited from class org.eclipse.collections.impl.primitive.AbstractDoubleIterable

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.collections.api.bag.primitive.DoubleBag

toStringOfItemToCount

Methods inherited from interface org.eclipse.collections.api.DoubleIterable

asLazy, average, averageIfEmpty, collect, 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, reduce, reduceIfEmpty, reject, select, summaryStatistics, toBag, toList, toSet, toSortedArray, toSortedList, toSortedList, toSortedListBy, toSortedListBy

Methods inherited from interface org.eclipse.collections.api.bag.primitive.MutableDoubleBag

selectDuplicates, tap

Methods inherited from interface org.eclipse.collections.api.PrimitiveIterable

appendString, appendString, makeString, makeString, makeString, toString

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

items

private DoubleIntHashMap items

size

private int size

Constructor Detail

DoubleHashBag

public DoubleHashBag()

DoubleHashBag

public DoubleHashBag(int size)

DoubleHashBag

public DoubleHashBag(DoubleIterable iterable)

DoubleHashBag

public DoubleHashBag(double... elements)

DoubleHashBag

public DoubleHashBag(DoubleHashBag bag)

Method Detail

newBag

public static DoubleHashBag newBag(int size)

newBagWith

public static DoubleHashBag newBagWith(double... source)

newBag

public static DoubleHashBag newBag(DoubleIterable source)

newBag

public static DoubleHashBag newBag(DoubleBag source)

isEmpty

public boolean isEmpty()

Description copied from interface: PrimitiveIterable

Returns true if this iterable has zero items.

Specified by:

isEmpty in interface PrimitiveIterable

notEmpty

public boolean notEmpty()

Description copied from interface: PrimitiveIterable

The English equivalent of !this.isEmpty()

Specified by:

notEmpty in interface PrimitiveIterable

size

public int size()

Description copied from interface: PrimitiveIterable

Returns the number of items in this iterable.

Specified by:

size in interface PrimitiveIterable

sizeDistinct

public int sizeDistinct()

Description copied from interface: DoubleBag

The size of the Bag when counting only distinct elements.

Specified by:

sizeDistinct in interface DoubleBag

clear

public void clear()

Specified by:

clear in interface MutableDoubleCollection

with

public DoubleHashBag with(double element)

Specified by:

with in interface MutableDoubleBag

Specified by:

with in interface MutableDoubleCollection

with

public DoubleHashBag with(double element1,
                          double element2)

with

public DoubleHashBag with(double element1,
                          double element2,
                          double element3)

withAll

public DoubleHashBag withAll(DoubleIterable iterable)

Specified by:

withAll in interface MutableDoubleBag

Specified by:

withAll in interface MutableDoubleCollection

without

public DoubleHashBag without(double element)

Specified by:

without in interface MutableDoubleBag

Specified by:

without in interface MutableDoubleCollection

withoutAll

public DoubleHashBag withoutAll(DoubleIterable iterable)

Specified by:

withoutAll in interface MutableDoubleBag

Specified by:

withoutAll in interface MutableDoubleCollection

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

occurrencesOf

public int occurrencesOf(double item)

Description copied from interface: DoubleBag

The occurrences of a distinct item in the bag.

Specified by:

occurrencesOf in interface DoubleBag

forEachWithOccurrences

public void forEachWithOccurrences(DoubleIntProcedure procedure)

Description copied from interface: DoubleBag

For each distinct item, with the number of occurrences, execute the specified procedure.

Specified by:

forEachWithOccurrences in interface DoubleBag

selectByOccurrences

public DoubleHashBag selectByOccurrences(IntPredicate predicate)

Description copied from interface: MutableDoubleBag

Returns all elements of the bag that have a number of occurrences that satisfy the predicate.

Specified by:

selectByOccurrences in interface DoubleBag

Specified by:

selectByOccurrences in interface MutableDoubleBag

selectUnique

public MutableDoubleSet selectUnique()

Description copied from interface: MutableDoubleBag

Returns all elements of the bag that have exactly one occurrence.

Specified by:

selectUnique in interface DoubleBag

Specified by:

selectUnique in interface MutableDoubleBag

topOccurrences

public MutableList<DoubleIntPair> topOccurrences(int count)

Description copied from interface: MutableDoubleBag

Returns the count most frequently occurring items. In the event of a tie, all of the items with the number of occurrences that match the occurrences of the last item will be returned.

Specified by:

topOccurrences in interface DoubleBag

Specified by:

topOccurrences in interface MutableDoubleBag

bottomOccurrences

public MutableList<DoubleIntPair> bottomOccurrences(int count)

Description copied from interface: MutableDoubleBag

Returns the count least frequently occurring items. In the event of a tie, all of the items with the number of occurrences that match the occurrences of the last item will be returned.

Specified by:

bottomOccurrences in interface DoubleBag

Specified by:

bottomOccurrences in interface MutableDoubleBag

occurrencesSortingBy

protected MutableList<DoubleIntPair> occurrencesSortingBy(int n,
                                                          IntFunction<DoubleIntPair> function,
                                                          MutableList<DoubleIntPair> returnWhenEmpty)

toListWithOccurrences

protected MutableList<DoubleIntPair> toListWithOccurrences()

add

public boolean add(double item)

Specified by:

add in interface MutableDoubleCollection

remove

public boolean remove(double item)

Specified by:

remove in interface MutableDoubleCollection

removeIf

public boolean removeIf(DoublePredicate predicate)

Specified by:

removeIf 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

removeAll

public boolean removeAll(double... source)

Specified by:

removeAll in interface MutableDoubleCollection

removeAll

public boolean removeAll(DoubleIterable 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)

addOccurrences

public void addOccurrences(double item,
                           int occurrences)

Specified by:

addOccurrences in interface MutableDoubleBag

removeOccurrences

public boolean removeOccurrences(double item,
                                 int occurrences)

Specified by:

removeOccurrences in interface MutableDoubleBag

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 DoubleHashBag 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 DoubleBag

Specified by:

select in interface DoubleIterable

Specified by:

select in interface MutableDoubleBag

Specified by:

select in interface MutableDoubleCollection

reject

public DoubleHashBag 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 DoubleBag

Specified by:

reject in interface DoubleIterable

Specified by:

reject in interface MutableDoubleBag

Specified by:

reject in interface MutableDoubleCollection

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.

equals

public boolean equals(java.lang.Object otherBag)

Description copied from interface: DoubleBag

Follows the same general contract as Bag.equals(Object).

Specified by:

equals in interface DoubleBag

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Description copied from interface: DoubleBag

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

Specified by:

hashCode in interface DoubleBag

Overrides:

hashCode in class java.lang.Object

appendString

public void appendString(java.lang.Appendable appendable,
                         java.lang.String start,
                         java.lang.String separator,
                         java.lang.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

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

noneSatisfy

public boolean noneSatisfy(DoublePredicate predicate)

Description copied from interface: DoubleIterable

Returns true if none of the elements in the DoubleIterable return true for the specified predicate, otherwise returns false.

Specified by:

noneSatisfy in interface DoubleIterable

detectIfNone

public double detectIfNone(DoublePredicate predicate,
                           double ifNone)

Specified by:

detectIfNone in interface DoubleIterable

collect

public <V> MutableBag<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 DoubleBag

Specified by:

collect in interface DoubleIterable

Specified by:

collect in interface MutableDoubleBag

Specified by:

collect in interface MutableDoubleCollection

max

public double max()

Specified by:

max in interface DoubleIterable

min

public double min()

Specified by:

min in interface DoubleIterable

sum

public double sum()

Specified by:

sum in interface DoubleIterable

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

asUnmodifiable

public MutableDoubleBag asUnmodifiable()

Specified by:

asUnmodifiable in interface MutableDoubleBag

Specified by:

asUnmodifiable in interface MutableDoubleCollection

asSynchronized

public MutableDoubleBag asSynchronized()

Specified by:

asSynchronized in interface MutableDoubleBag

Specified by:

asSynchronized in interface MutableDoubleCollection

toImmutable

public ImmutableDoubleBag toImmutable()

Description copied from interface: MutableDoubleBag

Returns an immutable copy of this bag.

Specified by:

toImmutable in interface DoubleBag

Specified by:

toImmutable in interface MutableDoubleBag

Specified by:

toImmutable in interface MutableDoubleCollection

newEmpty

public DoubleHashBag newEmpty()

Creates a new empty DoubleHashBag.

Specified by:

newEmpty in interface MutableDoubleBag

Specified by:

newEmpty in interface MutableDoubleCollection

Since:

9.2.

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

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.io.IOException