speiger.src.collections.ints.maps.impl.hash

Class Int2DoubleOpenHashMap

java.lang.Object

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

speiger.src.collections.ints.maps.abstracts.AbstractInt2DoubleMap

speiger.src.collections.ints.maps.impl.hash.Int2DoubleOpenHashMap

All Implemented Interfaces:

java.util.function.IntToDoubleFunction, java.util.Map<java.lang.Integer,java.lang.Double>, Int2DoubleFunction, Int2DoubleMap

Direct Known Subclasses:

Int2DoubleLinkedOpenHashMap

public class Int2DoubleOpenHashMap
extends AbstractInt2DoubleMap

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.ints.maps.abstracts.AbstractInt2DoubleMap

AbstractInt2DoubleMap.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.ints.maps.interfaces.Int2DoubleMap

Int2DoubleMap.Entry, Int2DoubleMap.FastEntrySet

Constructor Summary

Constructors

Constructor and Description
Int2DoubleOpenHashMap() Default Constructor
Int2DoubleOpenHashMap(int minCapacity) Constructor that defines the minimum capacity
Int2DoubleOpenHashMap(int[] keys, double[] values) Helper constructor that allow to create a map from unboxed values
Int2DoubleOpenHashMap(int[] keys, double[] values, float loadFactor) Helper constructor that allow to create a map from unboxed values
Int2DoubleOpenHashMap(Int2DoubleMap map) A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
Int2DoubleOpenHashMap(Int2DoubleMap map, float loadFactor) A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
Int2DoubleOpenHashMap(java.lang.Integer[] keys, java.lang.Double[] values) Helper constructor that allow to create a map from boxed values (it will unbox them)
Int2DoubleOpenHashMap(java.lang.Integer[] keys, java.lang.Double[] values, float loadFactor) Helper constructor that allow to create a map from boxed values (it will unbox them)
Int2DoubleOpenHashMap(int minCapacity, float loadFactor) Constructor that defines the minimum capacity and load factor
Int2DoubleOpenHashMap(java.util.Map<? extends java.lang.Integer,? extends java.lang.Double> map) A Helper constructor that allows to create a Map with exactly the same values as the provided map.
Int2DoubleOpenHashMap(java.util.Map<? extends java.lang.Integer,? 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(int key, double value) A Helper method to add a primitives together.
void	clear()
double	computeDouble(int key, IntDoubleUnaryOperator mappingFunction) A Type Specific compute method to reduce boxing/unboxing
double	computeDoubleIfAbsent(int key, Int2DoubleFunction mappingFunction) A Type Specific compute method to reduce boxing/unboxing
double	computeDoubleIfPresent(int key, IntDoubleUnaryOperator mappingFunction) A Type Specific compute method to reduce boxing/unboxing
boolean	containsKey(int 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.
void	forEach(IntDoubleConsumer action) Type Specific forEach method to reduce boxing/unboxing
java.lang.Double	get(java.lang.Object key)
double	getDouble(int key) A Type Specific get method to reduce boxing/unboxing
double	getOrDefault(int key, double defaultValue) A Type Specific getOrDefault method to reduce boxing/unboxing
ObjectSet<Int2DoubleMap.Entry>	int2DoubleEntrySet() Type Sensitive EntrySet to reduce boxing/unboxing and optionally Temp Object Allocation.
IntSet	keySet()
void	mergeAllDouble(Int2DoubleMap m, DoubleDoubleUnaryOperator mappingFunction) A Bulk method for merging Maps.
double	mergeDouble(int key, double value, DoubleDoubleUnaryOperator mappingFunction) A Type Specific merge method to reduce boxing/unboxing
double	put(int key, double value) Type Specific method to reduce boxing/unboxing of values
double	putIfAbsent(int key, double value) Type Specific method to reduce boxing/unboxing of values
double	remInt(int key) Type Specific remove function to reduce boxing/unboxing
double	remIntOrDefault(int key, double defaultValue) Type-Specific Remove function with a default return value if wanted.
boolean	remove(int key, double value) Type Specific remove function to reduce boxing/unboxing
java.lang.Double	remove(java.lang.Object key) Deprecated.
boolean	remove(java.lang.Object key, java.lang.Object value)
double	replace(int key, double value) A Type Specific replace method to reduce boxing/unboxing replace an existing value
boolean	replace(int key, double oldValue, double newValue) A Type Specific replace method to replace an existing value
int	size()
DoubleCollection	values()

Methods inherited from class speiger.src.collections.ints.maps.abstracts.AbstractInt2DoubleMap

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

Methods inherited from class java.util.AbstractMap

isEmpty, put, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface speiger.src.collections.ints.maps.interfaces.Int2DoubleMap

compute, computeIfAbsent, computeIfPresent, forEach, merge, put, putAll, putIfAbsent, replace, replace, replaceAll

Methods inherited from interface java.util.Map

isEmpty

Methods inherited from interface speiger.src.collections.ints.functions.function.Int2DoubleFunction

applyAsDouble

Constructor Detail

Int2DoubleOpenHashMap

public Int2DoubleOpenHashMap()

Default Constructor

Int2DoubleOpenHashMap

public Int2DoubleOpenHashMap(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

Int2DoubleOpenHashMap

public Int2DoubleOpenHashMap(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

Int2DoubleOpenHashMap

public Int2DoubleOpenHashMap(java.lang.Integer[] 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

Int2DoubleOpenHashMap

public Int2DoubleOpenHashMap(java.lang.Integer[] 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

Int2DoubleOpenHashMap

public Int2DoubleOpenHashMap(int[] 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

Int2DoubleOpenHashMap

public Int2DoubleOpenHashMap(int[] 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

Int2DoubleOpenHashMap

public Int2DoubleOpenHashMap(java.util.Map<? extends java.lang.Integer,? 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

Int2DoubleOpenHashMap

public Int2DoubleOpenHashMap(java.util.Map<? extends java.lang.Integer,? 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

Int2DoubleOpenHashMap

public Int2DoubleOpenHashMap(Int2DoubleMap 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

Int2DoubleOpenHashMap

public Int2DoubleOpenHashMap(Int2DoubleMap 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(int key,
                  double value)

Description copied from interface: Int2DoubleMap

Type Specific method to reduce boxing/unboxing of values

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(int key,
                          double value)

Description copied from interface: Int2DoubleMap

Type Specific method to reduce boxing/unboxing of values

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(int key,
                    double value)

Description copied from interface: Int2DoubleMap

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

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.

containsKey

public boolean containsKey(int key)

Description copied from interface: Int2DoubleMap

Type Specific method to reduce boxing/unboxing of values

Specified by:

containsKey in interface Int2DoubleMap

Overrides:

containsKey in class AbstractInt2DoubleMap

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.Integer,java.lang.Double>

Specified by:

containsKey in interface Int2DoubleMap

Overrides:

containsKey in class java.util.AbstractMap<java.lang.Integer,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: Int2DoubleMap

Type Specific method to reduce boxing/unboxing of values

Specified by:

containsValue in interface Int2DoubleMap

Overrides:

containsValue in class AbstractInt2DoubleMap

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.Integer,java.lang.Double>

Specified by:

containsValue in interface Int2DoubleMap

Overrides:

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

Parameters:

value - that is searched for.

Returns:

true if found

See Also:

Map.containsValue(Object)

remInt

public double remInt(int key)

Description copied from interface: Int2DoubleMap

Type Specific remove function to reduce boxing/unboxing

Parameters:

key - the element that should be removed

Returns:

the value that was removed or default return value

remIntOrDefault

public double remIntOrDefault(int key,
                              double defaultValue)

Description copied from interface: Int2DoubleMap

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

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

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

Deprecated.

Specified by:

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

Specified by:

remove in interface Int2DoubleMap

Overrides:

remove in class java.util.AbstractMap<java.lang.Integer,java.lang.Double>

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(int key,
                      double value)

Description copied from interface: Int2DoubleMap

Type Specific remove function to reduce boxing/unboxing

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)

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)

getDouble

public double getDouble(int key)

Description copied from interface: Int2DoubleMap

A Type Specific get method to reduce boxing/unboxing

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.Integer,java.lang.Double>

Specified by:

get in interface Int2DoubleMap

Overrides:

get in class AbstractInt2DoubleMap

getOrDefault

public double getOrDefault(int key,
                           double defaultValue)

Description copied from interface: Int2DoubleMap

A Type Specific getOrDefault method to reduce boxing/unboxing

Specified by:

getOrDefault in interface Int2DoubleMap

Overrides:

getOrDefault in class AbstractInt2DoubleMap

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

int2DoubleEntrySet

public ObjectSet<Int2DoubleMap.Entry> int2DoubleEntrySet()

Description copied from interface: Int2DoubleMap

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

Returns:

a EntrySet of the collection

keySet

public IntSet keySet()

Specified by:

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

Specified by:

keySet in interface Int2DoubleMap

Overrides:

keySet in class AbstractInt2DoubleMap

values

public DoubleCollection values()

Specified by:

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

Specified by:

values in interface Int2DoubleMap

Overrides:

values in class AbstractInt2DoubleMap

forEach

public void forEach(IntDoubleConsumer action)

Description copied from interface: Int2DoubleMap

Type Specific forEach method to reduce boxing/unboxing

Specified by:

forEach in interface Int2DoubleMap

Overrides:

forEach in class AbstractInt2DoubleMap

Parameters:

action - processor of the values that are iterator over

replace

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

Description copied from interface: Int2DoubleMap

A Type Specific replace method to replace an existing value

Specified by:

replace in interface Int2DoubleMap

Overrides:

replace in class AbstractInt2DoubleMap

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(int key,
                      double value)

Description copied from interface: Int2DoubleMap

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

Specified by:

replace in interface Int2DoubleMap

Overrides:

replace in class AbstractInt2DoubleMap

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(int key,
                            IntDoubleUnaryOperator mappingFunction)

Description copied from interface: Int2DoubleMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

computeDouble in interface Int2DoubleMap

Overrides:

computeDouble in class AbstractInt2DoubleMap

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(int key,
                                    Int2DoubleFunction mappingFunction)

Description copied from interface: Int2DoubleMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

computeDoubleIfAbsent in interface Int2DoubleMap

Overrides:

computeDoubleIfAbsent in class AbstractInt2DoubleMap

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

computeDoubleIfPresent

public double computeDoubleIfPresent(int key,
                                     IntDoubleUnaryOperator mappingFunction)

Description copied from interface: Int2DoubleMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

computeDoubleIfPresent in interface Int2DoubleMap

Overrides:

computeDoubleIfPresent in class AbstractInt2DoubleMap

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(int key,
                          double value,
                          DoubleDoubleUnaryOperator mappingFunction)

Description copied from interface: Int2DoubleMap

A Type Specific merge method to reduce boxing/unboxing

Specified by:

mergeDouble in interface Int2DoubleMap

Overrides:

mergeDouble in class AbstractInt2DoubleMap

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(Int2DoubleMap m,
                           DoubleDoubleUnaryOperator mappingFunction)

Description copied from interface: Int2DoubleMap

A Bulk method for merging Maps.

Specified by:

mergeAllDouble in interface Int2DoubleMap

Overrides:

mergeAllDouble in class AbstractInt2DoubleMap

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.Integer,java.lang.Double>

Overrides:

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

clear

public void clear()

Specified by:

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

Overrides:

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