speiger.src.collections.longs.maps.impl.concurrent

Class Long2ObjectConcurrentOpenHashMap<V>

java.lang.Object

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

speiger.src.collections.longs.maps.abstracts.AbstractLong2ObjectMap<V>

speiger.src.collections.longs.maps.impl.concurrent.Long2ObjectConcurrentOpenHashMap<V>

Type Parameters:

V - the type of elements maintained by this Collection

All Implemented Interfaces:

java.util.concurrent.ConcurrentMap<java.lang.Long,V>, java.util.function.LongFunction<V>, java.util.Map<java.lang.Long,V>, Long2ObjectFunction<V>, Long2ObjectConcurrentMap<V>, Long2ObjectMap<V>, ITrimmable

public class Long2ObjectConcurrentOpenHashMap<V>
extends AbstractLong2ObjectMap<V>
implements Long2ObjectConcurrentMap<V>, ITrimmable

A TypeSpecific ConcurrentHashMap implementation that is based on Guavas approach and backing array implementations. Like Guavas implementation this solution can be accessed by multiple threads, but it is not as flexible as Javas implementation. The concurrencyLevel decides how many pools exist, and each pool can be accessed by 1 thread for writing and as many threads for reading. Though it is ill adviced to iterate over the collection using the Iterator if the Map is written to. Keep that in mind.

Nested Class Summary

Nested classes/interfaces inherited from class speiger.src.collections.longs.maps.abstracts.AbstractLong2ObjectMap

AbstractLong2ObjectMap.BasicEntry<V>

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.Long2ObjectMap

Long2ObjectMap.BuilderCache<V>, Long2ObjectMap.Entry<V>, Long2ObjectMap.FastEntrySet<V>, Long2ObjectMap.MapBuilder

Constructor Summary

Constructors

Constructor and Description
Long2ObjectConcurrentOpenHashMap() Default Constructor
Long2ObjectConcurrentOpenHashMap(float loadFactor, int concurrencyLevel) Constructor that defines the load factor and concurrencyLevel
Long2ObjectConcurrentOpenHashMap(int minCapacity) Constructor that defines the minimum capacity
Long2ObjectConcurrentOpenHashMap(int minCapacity, float loadFactor) Constructor that defines the minimum capacity and load factor
Long2ObjectConcurrentOpenHashMap(int minCapacity, float loadFactor, int concurrencyLevel) Constructor that defines the minimum capacity, load factor and concurrencyLevel
Long2ObjectConcurrentOpenHashMap(int minCapacity, int concurrencyLevel) Constructor that defines the minimum capacity and concurrencyLevel
Long2ObjectConcurrentOpenHashMap(long[] keys, V[] values) Helper constructor that allow to create a map from unboxed values
Long2ObjectConcurrentOpenHashMap(java.lang.Long[] keys, V[] values) Helper constructor that allow to create a map from boxed values (it will unbox them)
Long2ObjectConcurrentOpenHashMap(long[] keys, V[] values, float loadFactor) Helper constructor that allow to create a map from unboxed values
Long2ObjectConcurrentOpenHashMap(java.lang.Long[] keys, V[] values, float loadFactor) Helper constructor that allow to create a map from boxed values (it will unbox them)
Long2ObjectConcurrentOpenHashMap(long[] keys, V[] values, float loadFactor, int concurrencyLevel) Helper constructor that allow to create a map from unboxed values
Long2ObjectConcurrentOpenHashMap(java.lang.Long[] keys, V[] values, float loadFactor, int concurrencyLevel) Helper constructor that allow to create a map from boxed values (it will unbox them)
Long2ObjectConcurrentOpenHashMap(long[] keys, V[] values, int concurrencyLevel) Helper constructor that allow to create a map from unboxed values
Long2ObjectConcurrentOpenHashMap(java.lang.Long[] keys, V[] values, int concurrencyLevel) Helper constructor that allow to create a map from boxed values (it will unbox them)
Long2ObjectConcurrentOpenHashMap(Long2ObjectMap<V> map) A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
Long2ObjectConcurrentOpenHashMap(Long2ObjectMap<V> map, float loadFactor) A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
Long2ObjectConcurrentOpenHashMap(Long2ObjectMap<V> map, float loadFactor, int concurrencyLevel) A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
Long2ObjectConcurrentOpenHashMap(Long2ObjectMap<V> map, int concurrencyLevel) A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
Long2ObjectConcurrentOpenHashMap(java.util.Map<? extends java.lang.Long,? extends V> map) A Helper constructor that allows to create a Map with exactly the same values as the provided map.
Long2ObjectConcurrentOpenHashMap(java.util.Map<? extends java.lang.Long,? extends V> map, float loadFactor) A Helper constructor that allows to create a Map with exactly the same values as the provided map.
Long2ObjectConcurrentOpenHashMap(java.util.Map<? extends java.lang.Long,? extends V> map, float loadFactor, int concurrencyLevel) A Helper constructor that allows to create a Map with exactly the same values as the provided map.
Long2ObjectConcurrentOpenHashMap(java.util.Map<? extends java.lang.Long,? extends V> map, int concurrencyLevel) 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
void	clear()
void	clearAndTrim(int size) Trims the collection down to the requested size and clears all elements while doing so
V	compute(long key, LongObjectUnaryOperator<V> mappingFunction) A Type Specific compute method to reduce boxing/unboxing
V	computeIfAbsent(long key, Long2ObjectFunction<V> mappingFunction) A Type Specific compute method to reduce boxing/unboxing
V	computeIfPresent(long key, LongObjectUnaryOperator<V> mappingFunction) A Type Specific compute method to reduce boxing/unboxing
boolean	containsKey(long key) Type Specific method to reduce boxing/unboxing of values
Long2ObjectConcurrentOpenHashMap<V>	copy() A Function that does a shallow clone of the Map itself.
void	forEach(LongObjectConsumer<V> action) Type Specific forEach method to reduce boxing/unboxing
V	get(long key) A Type Specific get method to reduce boxing/unboxing
V	get(java.lang.Object key)
V	getOrDefault(long key, V defaultValue) A Type Specific getOrDefault method to reduce boxing/unboxing
boolean	isEmpty()
LongSet	keySet()
ObjectSet<Long2ObjectMap.Entry<V>>	long2ObjectEntrySet() Type Sensitive EntrySet to reduce boxing/unboxing and optionally Temp Object Allocation.
V	merge(long key, V value, ObjectObjectUnaryOperator<V,V> mappingFunction) A Type Specific merge method to reduce boxing/unboxing
V	put(long key, V value) Type Specific method to reduce boxing/unboxing of values
V	putIfAbsent(long key, V value) Type Specific method to reduce boxing/unboxing of values
V	remove(long key) Type Specific remove function to reduce boxing/unboxing
boolean	remove(long key, V value) Type Specific remove function to reduce boxing/unboxing
boolean	remove(java.lang.Object key, java.lang.Object value)
V	removeOrDefault(long key, V defaultValue) Type-Specific Remove function with a default return value if wanted.
V	replace(long key, V value) A Type Specific replace method to reduce boxing/unboxing replace an existing value
boolean	replace(long key, V oldValue, V newValue) A Type Specific replace method to replace an existing value
int	size()
V	supplyIfAbsent(long key, ObjectSupplier<V> 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
ObjectCollection<V>	values()

Methods inherited from class speiger.src.collections.longs.maps.abstracts.AbstractLong2ObjectMap

containsValue, entrySet, equals, getDefaultReturnValue, getOrDefault, hashCode, mergeAll, put, putAll, putAll, putAll, putAll, putAllIfAbsent, remove, replaceObjects, replaceObjects, setDefaultReturnValue

Methods inherited from class java.util.AbstractMap

containsKey, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface speiger.src.collections.longs.maps.interfaces.Long2ObjectConcurrentMap

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, replace, replace, replaceAll

Methods inherited from interface speiger.src.collections.longs.maps.interfaces.Long2ObjectMap

builder, containsKey, entrySet, getDefaultReturnValue, mergeAll, put, putAll, putAll, putAll, putAll, putAll, putAllIfAbsent, remove, replaceObjects, replaceObjects, setDefaultReturnValue, synchronize, synchronize, unmodifiable

Methods inherited from interface java.util.Map

containsValue, equals, hashCode, putAll

Methods inherited from interface speiger.src.collections.longs.functions.function.Long2ObjectFunction

apply

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

clearAndTrim, trim

Constructor Detail

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap()

Default Constructor

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(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

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(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

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(int minCapacity,
                                        int concurrencyLevel)

Constructor that defines the minimum capacity and concurrencyLevel

Parameters:

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

concurrencyLevel - decides how many operations can be performed at once.

Throws:

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

java.lang.IllegalStateException - if the concurrencyLevel is either below/equal to 0 or above/equal to 65535

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(float loadFactor,
                                        int concurrencyLevel)

Constructor that defines the load factor and concurrencyLevel

Parameters:

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

concurrencyLevel - decides how many operations can be performed at once.

Throws:

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

java.lang.IllegalStateException - if the concurrencyLevel is either below/equal to 0 or above/equal to 65535

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(int minCapacity,
                                        float loadFactor,
                                        int concurrencyLevel)

Constructor that defines the minimum capacity, load factor and concurrencyLevel

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

concurrencyLevel - decides how many operations can be performed at once.

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

java.lang.IllegalStateException - if the concurrencyLevel is either below/equal to 0 or above/equal to 65535

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(java.lang.Long[] keys,
                                        V[] 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

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(java.lang.Long[] keys,
                                        V[] 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

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(java.lang.Long[] keys,
                                        V[] values,
                                        int concurrencyLevel)

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.

concurrencyLevel - decides how many operations can be performed at once.

Throws:

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

java.lang.IllegalStateException - if the concurrencyLevel is either below/equal to 0 or above/equal to 65535

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(java.lang.Long[] keys,
                                        V[] values,
                                        float loadFactor,
                                        int concurrencyLevel)

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

concurrencyLevel - decides how many operations can be performed at once.

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

java.lang.IllegalStateException - if the concurrencyLevel is either below/equal to 0 or above/equal to 65535

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(long[] keys,
                                        V[] 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

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(long[] keys,
                                        V[] 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

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(long[] keys,
                                        V[] values,
                                        int concurrencyLevel)

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.

concurrencyLevel - decides how many operations can be performed at once.

Throws:

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

java.lang.IllegalStateException - if the concurrencyLevel is either below/equal to 0 or above/equal to 65535

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(long[] keys,
                                        V[] values,
                                        float loadFactor,
                                        int concurrencyLevel)

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

concurrencyLevel - decides how many operations can be performed at once.

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

java.lang.IllegalStateException - if the concurrencyLevel is either below/equal to 0 or above/equal to 65535

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(java.util.Map<? extends java.lang.Long,? extends V> 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

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(java.util.Map<? extends java.lang.Long,? extends V> 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

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(java.util.Map<? extends java.lang.Long,? extends V> map,
                                        int concurrencyLevel)

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

concurrencyLevel - decides how many operations can be performed at once.

Throws:

java.lang.IllegalStateException - if the concurrencyLevel is either below/equal to 0 or above/equal to 65535

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(java.util.Map<? extends java.lang.Long,? extends V> map,
                                        float loadFactor,
                                        int concurrencyLevel)

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

concurrencyLevel - decides how many operations can be performed at once.

Throws:

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

java.lang.IllegalStateException - if the concurrencyLevel is either below/equal to 0 or above/equal to 65535

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(Long2ObjectMap<V> 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

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(Long2ObjectMap<V> 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

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(Long2ObjectMap<V> map,
                                        int concurrencyLevel)

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

concurrencyLevel - decides how many operations can be performed at once.

Throws:

java.lang.IllegalStateException - if the concurrencyLevel is either below/equal to 0 or above/equal to 65535

Long2ObjectConcurrentOpenHashMap

public Long2ObjectConcurrentOpenHashMap(Long2ObjectMap<V> map,
                                        float loadFactor,
                                        int concurrencyLevel)

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

concurrencyLevel - decides how many operations can be performed at once.

Throws:

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

java.lang.IllegalStateException - if the concurrencyLevel is either below/equal to 0 or above/equal to 65535

Method Detail

put

public V put(long key,
             V value)

Description copied from interface: Long2ObjectMap

Type Specific method to reduce boxing/unboxing of values

Specified by:

put in interface Long2ObjectMap<V>

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 V putIfAbsent(long key,
                     V value)

Description copied from interface: Long2ObjectMap

Type Specific method to reduce boxing/unboxing of values

Specified by:

putIfAbsent in interface Long2ObjectMap<V>

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)

remove

public V remove(long key)

Description copied from interface: Long2ObjectMap

Type Specific remove function to reduce boxing/unboxing

Specified by:

remove in interface Long2ObjectMap<V>

Parameters:

key - the element that should be removed

Returns:

the value that was removed or default return value

remove

public boolean remove(long key,
                      V value)

Description copied from interface: Long2ObjectMap

Type Specific remove function to reduce boxing/unboxing

Specified by:

remove in interface Long2ObjectMap<V>

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.concurrent.ConcurrentMap<java.lang.Long,V>

Specified by:

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

Specified by:

remove in interface Long2ObjectConcurrentMap<V>

Specified by:

remove in interface Long2ObjectMap<V>

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)

removeOrDefault

public V removeOrDefault(long key,
                         V defaultValue)

Description copied from interface: Long2ObjectMap

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

Specified by:

removeOrDefault in interface Long2ObjectMap<V>

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)

get

public V get(long key)

Description copied from interface: Long2ObjectMap

A Type Specific get method to reduce boxing/unboxing

Specified by:

get in interface Long2ObjectFunction<V>

Specified by:

get in interface Long2ObjectMap<V>

Parameters:

key - the key that is searched for

Returns:

the searched value or default return value

get

public V get(java.lang.Object key)

Specified by:

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

Specified by:

get in interface Long2ObjectMap<V>

Overrides:

get in class AbstractLong2ObjectMap<V>

getOrDefault

public V getOrDefault(long key,
                      V defaultValue)

Description copied from interface: Long2ObjectMap

A Type Specific getOrDefault method to reduce boxing/unboxing

Specified by:

getOrDefault in interface Long2ObjectMap<V>

Overrides:

getOrDefault in class AbstractLong2ObjectMap<V>

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

forEach

public void forEach(LongObjectConsumer<V> action)

Description copied from interface: Long2ObjectMap

Type Specific forEach method to reduce boxing/unboxing

Specified by:

forEach in interface Long2ObjectMap<V>

Overrides:

forEach in class AbstractLong2ObjectMap<V>

Parameters:

action - processor of the values that are iterator over

copy

public Long2ObjectConcurrentOpenHashMap<V> copy()

Description copied from interface: Long2ObjectMap

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 Long2ObjectMap<V>

Overrides:

copy in class AbstractLong2ObjectMap<V>

Returns:

a Shallow Copy of the Map

containsKey

public boolean containsKey(long key)

Description copied from interface: Long2ObjectMap

Type Specific method to reduce boxing/unboxing of values

Specified by:

containsKey in interface Long2ObjectMap<V>

Overrides:

containsKey in class AbstractLong2ObjectMap<V>

Parameters:

key - element that is searched for

Returns:

if the key is present

replace

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

Description copied from interface: Long2ObjectMap

A Type Specific replace method to replace an existing value

Specified by:

replace in interface Long2ObjectMap<V>

Overrides:

replace in class AbstractLong2ObjectMap<V>

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 V replace(long key,
                 V value)

Description copied from interface: Long2ObjectMap

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

Specified by:

replace in interface Long2ObjectMap<V>

Overrides:

replace in class AbstractLong2ObjectMap<V>

Parameters:

key - the element that should be searched for

value - the value to replace with.

Returns:

the present value or default return value

compute

public V compute(long key,
                 LongObjectUnaryOperator<V> mappingFunction)

Description copied from interface: Long2ObjectMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

compute in interface Long2ObjectMap<V>

Overrides:

compute in class AbstractLong2ObjectMap<V>

Parameters:

key - the key that should be computed

mappingFunction - the operator that should generate the value

Returns:

the result of the computation

computeIfAbsent

public V computeIfAbsent(long key,
                         Long2ObjectFunction<V> mappingFunction)

Description copied from interface: Long2ObjectMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

computeIfAbsent in interface Long2ObjectMap<V>

Overrides:

computeIfAbsent in class AbstractLong2ObjectMap<V>

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

supplyIfAbsent

public V supplyIfAbsent(long key,
                        ObjectSupplier<V> valueProvider)

Description copied from interface: Long2ObjectMap

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

Specified by:

supplyIfAbsent in interface Long2ObjectMap<V>

Overrides:

supplyIfAbsent in class AbstractLong2ObjectMap<V>

Parameters:

key - the key that should be computed

valueProvider - the value if not present

Returns:

the result of the computed value or present value

computeIfPresent

public V computeIfPresent(long key,
                          LongObjectUnaryOperator<V> mappingFunction)

Description copied from interface: Long2ObjectMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

computeIfPresent in interface Long2ObjectMap<V>

Overrides:

computeIfPresent in class AbstractLong2ObjectMap<V>

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

merge

public V merge(long key,
               V value,
               ObjectObjectUnaryOperator<V,V> mappingFunction)

Description copied from interface: Long2ObjectMap

A Type Specific merge method to reduce boxing/unboxing

Specified by:

merge in interface Long2ObjectMap<V>

Overrides:

merge in class AbstractLong2ObjectMap<V>

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

clear

public void clear()

Specified by:

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

Overrides:

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

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

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Map<java.lang.Long,V>

Overrides:

isEmpty in class java.util.AbstractMap<java.lang.Long,V>

size

public int size()

Specified by:

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

Overrides:

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

long2ObjectEntrySet

public ObjectSet<Long2ObjectMap.Entry<V>> long2ObjectEntrySet()

Description copied from interface: Long2ObjectMap

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

Specified by:

long2ObjectEntrySet in interface Long2ObjectMap<V>

Returns:

a EntrySet of the collection

keySet

public LongSet keySet()

Specified by:

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

Specified by:

keySet in interface Long2ObjectMap<V>

Overrides:

keySet in class AbstractLong2ObjectMap<V>

values

public ObjectCollection<V> values()

Specified by:

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

Specified by:

values in interface Long2ObjectMap<V>

Overrides:

values in class AbstractLong2ObjectMap<V>