speiger.src.collections.longs.maps.impl.hash

Class Long2DoubleOpenHashMap

java.lang.Object

java.util.AbstractMap<java.lang.Long,java.lang.Double>

speiger.src.collections.longs.maps.abstracts.AbstractLong2DoubleMap

speiger.src.collections.longs.maps.impl.hash.Long2DoubleOpenHashMap

All Implemented Interfaces:

java.util.function.LongToDoubleFunction, java.util.Map<java.lang.Long,java.lang.Double>, Long2DoubleFunction, Long2DoubleMap, ITrimmable

Direct Known Subclasses:

Long2DoubleLinkedOpenHashMap

public class Long2DoubleOpenHashMap
extends AbstractLong2DoubleMap
implements ITrimmable

A Type Specific Custom implementation of the HashMap Instead of using Wrapper Object Arrays for storing keys and values there is dedicated arrays for storing keys and values. Extra to that there is a couple quality of life functions provided

Nested Class Summary

Nested classes/interfaces inherited from class speiger.src.collections.longs.maps.abstracts.AbstractLong2DoubleMap

AbstractLong2DoubleMap.BasicEntry

Nested classes/interfaces inherited from class java.util.AbstractMap

java.util.AbstractMap.SimpleEntry<K,V>, java.util.AbstractMap.SimpleImmutableEntry<K,V>

Nested classes/interfaces inherited from interface speiger.src.collections.longs.maps.interfaces.Long2DoubleMap

Long2DoubleMap.BuilderCache, Long2DoubleMap.Entry, Long2DoubleMap.FastEntrySet, Long2DoubleMap.MapBuilder

Constructor Summary

Constructors

Constructor and Description
Long2DoubleOpenHashMap() Default Constructor
Long2DoubleOpenHashMap(int minCapacity) Constructor that defines the minimum capacity
Long2DoubleOpenHashMap(int minCapacity, float loadFactor) Constructor that defines the minimum capacity and load factor
Long2DoubleOpenHashMap(long[] keys, double[] values) Helper constructor that allow to create a map from unboxed values
Long2DoubleOpenHashMap(java.lang.Long[] keys, java.lang.Double[] values) Helper constructor that allow to create a map from boxed values (it will unbox them)
Long2DoubleOpenHashMap(long[] keys, double[] values, float loadFactor) Helper constructor that allow to create a map from unboxed values
Long2DoubleOpenHashMap(java.lang.Long[] keys, java.lang.Double[] values, float loadFactor) Helper constructor that allow to create a map from boxed values (it will unbox them)
Long2DoubleOpenHashMap(Long2DoubleMap map) A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
Long2DoubleOpenHashMap(Long2DoubleMap map, float loadFactor) A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
Long2DoubleOpenHashMap(java.util.Map<? extends java.lang.Long,? extends java.lang.Double> map) A Helper constructor that allows to create a Map with exactly the same values as the provided map.
Long2DoubleOpenHashMap(java.util.Map<? extends java.lang.Long,? extends java.lang.Double> map, float loadFactor) A Helper constructor that allows to create a Map with exactly the same values as the provided map.

Method Summary

Modifier and Type	Method and Description
double	addTo(long key, double value) A Helper method to add a primitives together.
void	clear()
void	clearAndTrim(int size) Trims the collection down to the requested size and clears all elements while doing so
double	computeDouble(long key, LongDoubleUnaryOperator mappingFunction) A Type Specific compute method to reduce boxing/unboxing
double	computeDoubleIfAbsent(long key, Long2DoubleFunction mappingFunction) A Type Specific compute method to reduce boxing/unboxing
double	computeDoubleIfPresent(long key, LongDoubleUnaryOperator mappingFunction) A Type Specific compute method to reduce boxing/unboxing
boolean	containsKey(long key) Type Specific method to reduce boxing/unboxing of values
boolean	containsKey(java.lang.Object key) Deprecated.
boolean	containsValue(double value) Type Specific method to reduce boxing/unboxing of values
boolean	containsValue(java.lang.Object value) Deprecated.
Long2DoubleOpenHashMap	copy() A Function that does a shallow clone of the Map itself.
void	forEach(LongDoubleConsumer action) Type Specific forEach method to reduce boxing/unboxing
double	get(long key) A Type Specific get method to reduce boxing/unboxing
java.lang.Double	get(java.lang.Object key)
double	getOrDefault(long key, double defaultValue) A Type Specific getOrDefault method to reduce boxing/unboxing
LongSet	keySet()
ObjectSet<Long2DoubleMap.Entry>	long2DoubleEntrySet() Type Sensitive EntrySet to reduce boxing/unboxing and optionally Temp Object Allocation.
void	mergeAllDouble(Long2DoubleMap m, DoubleDoubleUnaryOperator mappingFunction) A Bulk method for merging Maps.
double	mergeDouble(long key, double value, DoubleDoubleUnaryOperator mappingFunction) A Type Specific merge method to reduce boxing/unboxing
double	put(long key, double value) Type Specific method to reduce boxing/unboxing of values
double	putIfAbsent(long key, double value) Type Specific method to reduce boxing/unboxing of values
double	remove(long key) Type Specific remove function to reduce boxing/unboxing
boolean	remove(long key, double value) Type Specific remove function to reduce boxing/unboxing
java.lang.Double	remove(java.lang.Object key)
boolean	remove(java.lang.Object key, java.lang.Object value)
double	removeOrDefault(long key, double defaultValue) Type-Specific Remove function with a default return value if wanted.
double	replace(long key, double value) A Type Specific replace method to reduce boxing/unboxing replace an existing value
boolean	replace(long key, double oldValue, double newValue) A Type Specific replace method to replace an existing value
int	size()
double	subFrom(long key, double value) A Helper method to subtract from primitive from each other.
double	supplyDoubleIfAbsent(long key, DoubleSupplier valueProvider) A Supplier based computeIfAbsent function to fill the most used usecase of this function
boolean	trim(int size) Trims the original collection down to the size of the current elements or the requested size depending which is bigger
DoubleCollection	values()

Methods inherited from class speiger.src.collections.longs.maps.abstracts.AbstractLong2DoubleMap

addToAll, entrySet, equals, getDefaultReturnValue, getOrDefault, hashCode, put, putAll, putAll, putAll, putAll, putAllIfAbsent, replaceDoubles, replaceDoubles, setDefaultReturnValue

Methods inherited from class java.util.AbstractMap

isEmpty, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface speiger.src.collections.utils.ITrimmable

clearAndTrim, trim

Methods inherited from interface speiger.src.collections.longs.maps.interfaces.Long2DoubleMap

builder, compute, computeIfAbsent, computeIfPresent, forEach, merge, putAll, putAll, putIfAbsent, replace, replace, replaceAll, synchronize, synchronize, unmodifiable

Methods inherited from interface java.util.Map

isEmpty

Methods inherited from interface speiger.src.collections.longs.functions.function.Long2DoubleFunction

applyAsDouble

Constructor Detail

Long2DoubleOpenHashMap

public Long2DoubleOpenHashMap()

Default Constructor

Long2DoubleOpenHashMap

public Long2DoubleOpenHashMap(int minCapacity)

Constructor that defines the minimum capacity

Parameters:

minCapacity - the minimum capacity the HashMap is allowed to be.

Throws:

java.lang.IllegalStateException - if the minimum capacity is negative

Long2DoubleOpenHashMap

public Long2DoubleOpenHashMap(int minCapacity,
                              float loadFactor)

Constructor that defines the minimum capacity and load factor

Parameters:

minCapacity - the minimum capacity the HashMap is allowed to be.

loadFactor - the percentage of how full the backing array can be before they resize

Throws:

java.lang.IllegalStateException - if the minimum capacity is negative

java.lang.IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

Long2DoubleOpenHashMap

public Long2DoubleOpenHashMap(java.lang.Long[] keys,
                              java.lang.Double[] values)

Helper constructor that allow to create a map from boxed values (it will unbox them)

Parameters:

keys - the keys that should be put into the map

values - the values that should be put into the map.

Throws:

java.lang.IllegalStateException - if the keys and values do not match in lenght

Long2DoubleOpenHashMap

public Long2DoubleOpenHashMap(java.lang.Long[] keys,
                              java.lang.Double[] values,
                              float loadFactor)

Helper constructor that allow to create a map from boxed values (it will unbox them)

Parameters:

keys - the keys that should be put into the map

values - the values that should be put into the map.

loadFactor - the percentage of how full the backing array can be before they resize

Throws:

java.lang.IllegalStateException - if the keys and values do not match in lenght

java.lang.IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

Long2DoubleOpenHashMap

public Long2DoubleOpenHashMap(long[] keys,
                              double[] values)

Helper constructor that allow to create a map from unboxed values

Parameters:

keys - the keys that should be put into the map

values - the values that should be put into the map.

Throws:

java.lang.IllegalStateException - if the keys and values do not match in lenght

Long2DoubleOpenHashMap

public Long2DoubleOpenHashMap(long[] keys,
                              double[] values,
                              float loadFactor)

Helper constructor that allow to create a map from unboxed values

Parameters:

keys - the keys that should be put into the map

values - the values that should be put into the map.

loadFactor - the percentage of how full the backing array can be before they resize

Throws:

java.lang.IllegalStateException - if the keys and values do not match in lenght

java.lang.IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

Long2DoubleOpenHashMap

public Long2DoubleOpenHashMap(java.util.Map<? extends java.lang.Long,? extends java.lang.Double> map)

A Helper constructor that allows to create a Map with exactly the same values as the provided map.

Parameters:

map - the values that should be present in the map

Long2DoubleOpenHashMap

public Long2DoubleOpenHashMap(java.util.Map<? extends java.lang.Long,? extends java.lang.Double> map,
                              float loadFactor)

A Helper constructor that allows to create a Map with exactly the same values as the provided map.

Parameters:

map - the values that should be present in the map

loadFactor - the percentage of how full the backing array can be before they resize

Throws:

java.lang.IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

Long2DoubleOpenHashMap

public Long2DoubleOpenHashMap(Long2DoubleMap map)

A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.

Parameters:

map - the values that should be present in the map

Long2DoubleOpenHashMap

public Long2DoubleOpenHashMap(Long2DoubleMap map,
                              float loadFactor)

A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.

Parameters:

map - the values that should be present in the map

loadFactor - the percentage of how full the backing array can be before they resize

Throws:

java.lang.IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

Method Detail

put

public double put(long key,
                  double value)

Description copied from interface: Long2DoubleMap

Type Specific method to reduce boxing/unboxing of values

Specified by:

put in interface Long2DoubleMap

Parameters:

key - the key that should be inserted,

value - the value that should be inserted

Returns:

the last present value or default return value.

See Also:

Map.put(Object, Object)

putIfAbsent

public double putIfAbsent(long key,
                          double value)

Description copied from interface: Long2DoubleMap

Type Specific method to reduce boxing/unboxing of values

Specified by:

putIfAbsent in interface Long2DoubleMap

Parameters:

key - the key that should be inserted,

value - the value that should be inserted

Returns:

the last present value or default return value.

See Also:

Map.putIfAbsent(Object, Object)

addTo

public double addTo(long key,
                    double value)

Description copied from interface: Long2DoubleMap

A Helper method to add a primitives together. If key is not present then this functions as a put.

Specified by:

addTo in interface Long2DoubleMap

Parameters:

key - the key that should be inserted,

value - the value that should be inserted / added

Returns:

the last present value or default return value.

subFrom

public double subFrom(long key,
                      double value)

Description copied from interface: Long2DoubleMap

A Helper method to subtract from primitive from each other. If the key is not present it will just return the defaultValue How the implementation works is that it will subtract from the current value (if not present it will do nothing) and fence it to the Long2DoubleMap.getDefaultReturnValue() If the fence is reached the element will be automaticall removed

Specified by:

subFrom in interface Long2DoubleMap

Parameters:

key - that should be subtract from

value - that should be subtract

Returns:

the last present or default return value

containsKey

public boolean containsKey(long key)

Description copied from interface: Long2DoubleMap

Type Specific method to reduce boxing/unboxing of values

Specified by:

containsKey in interface Long2DoubleMap

Overrides:

containsKey in class AbstractLong2DoubleMap

Parameters:

key - element that is searched for

Returns:

if the key is present

containsKey

@Deprecated
public boolean containsKey(java.lang.Object key)

Deprecated.

Specified by:

containsKey in interface java.util.Map<java.lang.Long,java.lang.Double>

Specified by:

containsKey in interface Long2DoubleMap

Overrides:

containsKey in class java.util.AbstractMap<java.lang.Long,java.lang.Double>

Parameters:

key - that is searched for.

Returns:

true if found

See Also:

Map.containsKey(Object)

containsValue

public boolean containsValue(double value)

Description copied from interface: Long2DoubleMap

Type Specific method to reduce boxing/unboxing of values

Specified by:

containsValue in interface Long2DoubleMap

Overrides:

containsValue in class AbstractLong2DoubleMap

Parameters:

value - element that is searched for

Returns:

if the value is present

containsValue

@Deprecated
public boolean containsValue(java.lang.Object value)

Deprecated.

Specified by:

containsValue in interface java.util.Map<java.lang.Long,java.lang.Double>

Specified by:

containsValue in interface Long2DoubleMap

Overrides:

containsValue in class java.util.AbstractMap<java.lang.Long,java.lang.Double>

Parameters:

value - that is searched for.

Returns:

true if found

See Also:

Map.containsValue(Object)

remove

public double remove(long key)

Description copied from interface: Long2DoubleMap

Type Specific remove function to reduce boxing/unboxing

Specified by:

remove in interface Long2DoubleMap

Parameters:

key - the element that should be removed

Returns:

the value that was removed or default return value

removeOrDefault

public double removeOrDefault(long key,
                              double defaultValue)

Description copied from interface: Long2DoubleMap

Type-Specific Remove function with a default return value if wanted.

Specified by:

removeOrDefault in interface Long2DoubleMap

Parameters:

key - the element that should be removed

defaultValue - the value that should be returned if the entry doesn't exist

Returns:

the value that was removed or default value

See Also:

Map.remove(Object, Object)

remove

public java.lang.Double remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map<java.lang.Long,java.lang.Double>

Specified by:

remove in interface Long2DoubleMap

Overrides:

remove in class AbstractLong2DoubleMap

Parameters:

key - the element that should be removed

Returns:

the value that was removed or default return value

See Also:

Map.remove(Object)

remove

public boolean remove(long key,
                      double value)

Description copied from interface: Long2DoubleMap

Type Specific remove function to reduce boxing/unboxing

Specified by:

remove in interface Long2DoubleMap

Parameters:

key - the element that should be removed

value - the expected value that should be found

Returns:

true if the key and value was found and removed

See Also:

Map.remove(Object, Object)

remove

public boolean remove(java.lang.Object key,
                      java.lang.Object value)

Specified by:

remove in interface java.util.Map<java.lang.Long,java.lang.Double>

Specified by:

remove in interface Long2DoubleMap

Parameters:

key - the element that should be removed

value - the expected value that should be found

Returns:

true if the key and value was found and removed

See Also:

Map.remove(Object, Object)

get

public double get(long key)

Description copied from interface: Long2DoubleMap

A Type Specific get method to reduce boxing/unboxing

Specified by:

get in interface Long2DoubleFunction

Specified by:

get in interface Long2DoubleMap

Parameters:

key - the key that is searched for

Returns:

the searched value or default return value

get

public java.lang.Double get(java.lang.Object key)

Specified by:

get in interface java.util.Map<java.lang.Long,java.lang.Double>

Specified by:

get in interface Long2DoubleMap

Overrides:

get in class AbstractLong2DoubleMap

getOrDefault

public double getOrDefault(long key,
                           double defaultValue)

Description copied from interface: Long2DoubleMap

A Type Specific getOrDefault method to reduce boxing/unboxing

Specified by:

getOrDefault in interface Long2DoubleMap

Overrides:

getOrDefault in class AbstractLong2DoubleMap

Parameters:

key - the key that is searched for

defaultValue - the value that should be returned if the key is not present

Returns:

the searched value or defaultValue value

copy

public Long2DoubleOpenHashMap copy()

Description copied from interface: Long2DoubleMap

A Function that does a shallow clone of the Map itself. This function is more optimized then a copy constructor since the Map does not have to be unsorted/resorted. It can be compared to Cloneable but with less exception risk

Specified by:

copy in interface Long2DoubleMap

Overrides:

copy in class AbstractLong2DoubleMap

Returns:

a Shallow Copy of the Map

long2DoubleEntrySet

public ObjectSet<Long2DoubleMap.Entry> long2DoubleEntrySet()

Description copied from interface: Long2DoubleMap

Type Sensitive EntrySet to reduce boxing/unboxing and optionally Temp Object Allocation.

Specified by:

long2DoubleEntrySet in interface Long2DoubleMap

Returns:

a EntrySet of the collection

keySet

public LongSet keySet()

Specified by:

keySet in interface java.util.Map<java.lang.Long,java.lang.Double>

Specified by:

keySet in interface Long2DoubleMap

Overrides:

keySet in class AbstractLong2DoubleMap

values

public DoubleCollection values()

Specified by:

values in interface java.util.Map<java.lang.Long,java.lang.Double>

Specified by:

values in interface Long2DoubleMap

Overrides:

values in class AbstractLong2DoubleMap

forEach

public void forEach(LongDoubleConsumer action)

Description copied from interface: Long2DoubleMap

Type Specific forEach method to reduce boxing/unboxing

Specified by:

forEach in interface Long2DoubleMap

Overrides:

forEach in class AbstractLong2DoubleMap

Parameters:

action - processor of the values that are iterator over

replace

public boolean replace(long key,
                       double oldValue,
                       double newValue)

Description copied from interface: Long2DoubleMap

A Type Specific replace method to replace an existing value

Specified by:

replace in interface Long2DoubleMap

Overrides:

replace in class AbstractLong2DoubleMap

Parameters:

key - the element that should be searched for

oldValue - the expected value to be replaced

newValue - the value to replace the oldValue with.

Returns:

true if the value got replaced

replace

public double replace(long key,
                      double value)

Description copied from interface: Long2DoubleMap

A Type Specific replace method to reduce boxing/unboxing replace an existing value

Specified by:

replace in interface Long2DoubleMap

Overrides:

replace in class AbstractLong2DoubleMap

Parameters:

key - the element that should be searched for

value - the value to replace with.

Returns:

the present value or default return value

computeDouble

public double computeDouble(long key,
                            LongDoubleUnaryOperator mappingFunction)

Description copied from interface: Long2DoubleMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

computeDouble in interface Long2DoubleMap

Overrides:

computeDouble in class AbstractLong2DoubleMap

Parameters:

key - the key that should be computed

mappingFunction - the operator that should generate the value

Returns:

the result of the computation

computeDoubleIfAbsent

public double computeDoubleIfAbsent(long key,
                                    Long2DoubleFunction mappingFunction)

Description copied from interface: Long2DoubleMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

computeDoubleIfAbsent in interface Long2DoubleMap

Overrides:

computeDoubleIfAbsent in class AbstractLong2DoubleMap

Parameters:

key - the key that should be computed

mappingFunction - the operator that should generate the value if not present

Returns:

the result of the computed value or present value

supplyDoubleIfAbsent

public double supplyDoubleIfAbsent(long key,
                                   DoubleSupplier valueProvider)

Description copied from interface: Long2DoubleMap

A Supplier based computeIfAbsent function to fill the most used usecase of this function

Specified by:

supplyDoubleIfAbsent in interface Long2DoubleMap

Overrides:

supplyDoubleIfAbsent in class AbstractLong2DoubleMap

Parameters:

key - the key that should be computed

valueProvider - the value if not present

Returns:

the result of the computed value or present value

computeDoubleIfPresent

public double computeDoubleIfPresent(long key,
                                     LongDoubleUnaryOperator mappingFunction)

Description copied from interface: Long2DoubleMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

computeDoubleIfPresent in interface Long2DoubleMap

Overrides:

computeDoubleIfPresent in class AbstractLong2DoubleMap

Parameters:

key - the key that should be computed

mappingFunction - the operator that should generate the value if present

Returns:

the result of the default return value or present value

mergeDouble

public double mergeDouble(long key,
                          double value,
                          DoubleDoubleUnaryOperator mappingFunction)

Description copied from interface: Long2DoubleMap

A Type Specific merge method to reduce boxing/unboxing

Specified by:

mergeDouble in interface Long2DoubleMap

Overrides:

mergeDouble in class AbstractLong2DoubleMap

Parameters:

key - the key that should be be searched for

value - the value that should be merged with

mappingFunction - the operator that should generate the new Value

Returns:

the result of the merge

mergeAllDouble

public void mergeAllDouble(Long2DoubleMap m,
                           DoubleDoubleUnaryOperator mappingFunction)

Description copied from interface: Long2DoubleMap

A Bulk method for merging Maps.

Specified by:

mergeAllDouble in interface Long2DoubleMap

Overrides:

mergeAllDouble in class AbstractLong2DoubleMap

Parameters:

m - the entries that should be bulk added

mappingFunction - the operator that should generate the new Value

size

public int size()

Specified by:

size in interface java.util.Map<java.lang.Long,java.lang.Double>

Overrides:

size in class java.util.AbstractMap<java.lang.Long,java.lang.Double>

clear

public void clear()

Specified by:

clear in interface java.util.Map<java.lang.Long,java.lang.Double>

Overrides:

clear in class java.util.AbstractMap<java.lang.Long,java.lang.Double>

trim

public boolean trim(int size)

Description copied from interface: ITrimmable

Trims the original collection down to the size of the current elements or the requested size depending which is bigger

Specified by:

trim in interface ITrimmable

Parameters:

size - the requested trim size.

Returns:

if the internal array has been trimmed.

clearAndTrim

public void clearAndTrim(int size)

Description copied from interface: ITrimmable

Trims the collection down to the requested size and clears all elements while doing so

Specified by:

clearAndTrim in interface ITrimmable

Parameters:

size - the amount of elements that should be allowed