speiger.src.collections.bytes.utils.maps

Class Byte2ObjectMaps.EmptyMap<V>

java.lang.Object

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

speiger.src.collections.bytes.maps.abstracts.AbstractByte2ObjectMap<V>

speiger.src.collections.bytes.utils.maps.Byte2ObjectMaps.EmptyMap<V>

Type Parameters:

V - the keyType of elements maintained by this Collection

All Implemented Interfaces:

java.util.Map<java.lang.Byte,V>, ByteFunction<V>, Byte2ObjectMap<V>

Enclosing class:

Byte2ObjectMaps

public static class Byte2ObjectMaps.EmptyMap<V>
extends AbstractByte2ObjectMap<V>

Empty Map impementation that is used for the emptyMap() function

Nested Class Summary

Nested classes/interfaces inherited from class speiger.src.collections.bytes.maps.abstracts.AbstractByte2ObjectMap

AbstractByte2ObjectMap.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.bytes.maps.interfaces.Byte2ObjectMap

Byte2ObjectMap.BuilderCache<V>, Byte2ObjectMap.Entry<V>, Byte2ObjectMap.FastEntrySet<V>, Byte2ObjectMap.MapBuilder

Constructor Summary

Constructors

Constructor and Description
EmptyMap()

Method Summary

Modifier and Type	Method and Description
ObjectSet<Byte2ObjectMap.Entry<V>>	byte2ObjectEntrySet() Type Sensitive EntrySet to reduce boxing/unboxing and optionally Temp Object Allocation.
V	compute(byte key, ByteObjectUnaryOperator<V> mappingFunction) A Type Specific compute method to reduce boxing/unboxing
V	computeIfAbsent(byte key, ByteFunction<V> mappingFunction) A Type Specific compute method to reduce boxing/unboxing
V	computeIfPresent(byte key, ByteObjectUnaryOperator<V> mappingFunction) A Type Specific compute method to reduce boxing/unboxing
Byte2ObjectMaps.EmptyMap<V>	copy() A Function that does a shallow clone of the Map itself.
V	get(byte key) A Type Specific get method to reduce boxing/unboxing
V	getOrDefault(byte key, V defaultValue) A Type Specific getOrDefault method to reduce boxing/unboxing
ByteSet	keySet()
V	merge(byte key, V value, ObjectObjectUnaryOperator<V,V> mappingFunction) A Type Specific merge method to reduce boxing/unboxing
void	mergeAll(Byte2ObjectMap<V> m, ObjectObjectUnaryOperator<V,V> mappingFunction) A Bulk method for merging Maps.
V	put(byte key, V value) Type Specific method to reduce boxing/unboxing of values
V	putIfAbsent(byte key, V value) Type Specific method to reduce boxing/unboxing of values
V	remove(byte key) Type Specific remove function to reduce boxing/unboxing
boolean	remove(byte key, V value) Type Specific remove function to reduce boxing/unboxing
V	removeOrDefault(byte key, V defaultValue) Type-Specific Remove function with a default return value if wanted.
V	supplyIfAbsent(byte key, ObjectSupplier<V> valueProvider) A Supplier based computeIfAbsent function to fill the most used usecase of this function
ObjectCollection<V>	values()

Methods inherited from class speiger.src.collections.bytes.maps.abstracts.AbstractByte2ObjectMap

containsKey, containsValue, entrySet, equals, forEach, get, getDefaultReturnValue, getOrDefault, hashCode, put, putAll, putAll, putAll, putAll, putAllIfAbsent, remove, replace, replace, replaceObjects, replaceObjects, setDefaultReturnValue

Methods inherited from class java.util.AbstractMap

clear, containsKey, isEmpty, size, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface speiger.src.collections.bytes.maps.interfaces.Byte2ObjectMap

apply, builder, compute, computeIfAbsent, computeIfPresent, containsKey, forEach, merge, put, put, putAll, putAll, putIfAbsent, remove, replace, replace, replaceAll, synchronize, synchronize, unmodifiable

Methods inherited from interface java.util.Map

clear, isEmpty, size

Constructor Detail

EmptyMap

public EmptyMap()

Method Detail

put

public V put(byte key,
             V value)

Description copied from interface: Byte2ObjectMap

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 V putIfAbsent(byte key,
                     V value)

Description copied from interface: Byte2ObjectMap

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)

remove

public V remove(byte key)

Description copied from interface: Byte2ObjectMap

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

removeOrDefault

public V removeOrDefault(byte key,
                         V defaultValue)

Description copied from interface: Byte2ObjectMap

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

public boolean remove(byte key,
                      V value)

Description copied from interface: Byte2ObjectMap

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)

get

public V get(byte key)

Description copied from interface: Byte2ObjectMap

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

getOrDefault

public V getOrDefault(byte key,
                      V defaultValue)

Description copied from interface: Byte2ObjectMap

A Type Specific getOrDefault method to reduce boxing/unboxing

Specified by:

getOrDefault in interface Byte2ObjectMap<V>

Overrides:

getOrDefault in class AbstractByte2ObjectMap<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

compute

public V compute(byte key,
                 ByteObjectUnaryOperator<V> mappingFunction)

Description copied from interface: Byte2ObjectMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

compute in interface Byte2ObjectMap<V>

Overrides:

compute in class AbstractByte2ObjectMap<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(byte key,
                         ByteFunction<V> mappingFunction)

Description copied from interface: Byte2ObjectMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

computeIfAbsent in interface Byte2ObjectMap<V>

Overrides:

computeIfAbsent in class AbstractByte2ObjectMap<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

computeIfPresent

public V computeIfPresent(byte key,
                          ByteObjectUnaryOperator<V> mappingFunction)

Description copied from interface: Byte2ObjectMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

computeIfPresent in interface Byte2ObjectMap<V>

Overrides:

computeIfPresent in class AbstractByte2ObjectMap<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

supplyIfAbsent

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

Description copied from interface: Byte2ObjectMap

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

Specified by:

supplyIfAbsent in interface Byte2ObjectMap<V>

Overrides:

supplyIfAbsent in class AbstractByte2ObjectMap<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

merge

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

Description copied from interface: Byte2ObjectMap

A Type Specific merge method to reduce boxing/unboxing

Specified by:

merge in interface Byte2ObjectMap<V>

Overrides:

merge in class AbstractByte2ObjectMap<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

mergeAll

public void mergeAll(Byte2ObjectMap<V> m,
                     ObjectObjectUnaryOperator<V,V> mappingFunction)

Description copied from interface: Byte2ObjectMap

A Bulk method for merging Maps.

Specified by:

mergeAll in interface Byte2ObjectMap<V>

Overrides:

mergeAll in class AbstractByte2ObjectMap<V>

Parameters:

m - the entries that should be bulk added

mappingFunction - the operator that should generate the new Value

keySet

public ByteSet keySet()

Specified by:

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

Specified by:

keySet in interface Byte2ObjectMap<V>

Overrides:

keySet in class AbstractByte2ObjectMap<V>

values

public ObjectCollection<V> values()

Specified by:

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

Specified by:

values in interface Byte2ObjectMap<V>

Overrides:

values in class AbstractByte2ObjectMap<V>

byte2ObjectEntrySet

public ObjectSet<Byte2ObjectMap.Entry<V>> byte2ObjectEntrySet()

Description copied from interface: Byte2ObjectMap

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

Returns:

a EntrySet of the collection

copy

public Byte2ObjectMaps.EmptyMap<V> copy()

Description copied from interface: Byte2ObjectMap

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 Byte2ObjectMap<V>

Overrides:

copy in class AbstractByte2ObjectMap<V>

Returns:

a Shallow Copy of the Map