speiger.src.collections.objects.utils.maps

Class Object2ObjectMaps.EmptyMap<T,V>

java.lang.Object

java.util.AbstractMap<T,V>

speiger.src.collections.objects.maps.abstracts.AbstractObject2ObjectMap<T,V>

speiger.src.collections.objects.utils.maps.Object2ObjectMaps.EmptyMap<T,V>

Type Parameters:

T - the type of elements maintained by this Collection

V - the type of elements maintained by this Collection

All Implemented Interfaces:

java.util.function.Function<T,V>, java.util.Map<T,V>, Object2ObjectFunction<T,V>, Object2ObjectMap<T,V>

Enclosing class:

Object2ObjectMaps

public static class Object2ObjectMaps.EmptyMap<T,V>
extends AbstractObject2ObjectMap<T,V>

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

Nested Class Summary

Nested classes/interfaces inherited from class speiger.src.collections.objects.maps.abstracts.AbstractObject2ObjectMap

AbstractObject2ObjectMap.BasicEntry<T,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.objects.maps.interfaces.Object2ObjectMap

Object2ObjectMap.Entry<T,V>, Object2ObjectMap.FastEntrySet<T,V>

Constructor Summary

Constructors

Constructor and Description
EmptyMap()

Method Summary

Modifier and Type	Method and Description
V	getObject(T key) Type Specific get function to reduce boxing/unboxing
ObjectSet<T>	keySet()
ObjectSet<Object2ObjectMap.Entry<T,V>>	object2ObjectEntrySet() Type Sensitive EntrySet to reduce boxing/unboxing and optionally Temp Object Allocation.
V	put(T key, V value) Type Specific method to reduce boxing/unboxing of values
V	putIfAbsent(T key, V value) Type Specific method to reduce boxing/unboxing of values
V	rem(T key) Type Specific remove function to reduce boxing/unboxing
V	remOrDefault(T key, V defaultValue) Type-Specific Remove function with a default return value if wanted.
ObjectCollection<V>	values()

Methods inherited from class speiger.src.collections.objects.maps.abstracts.AbstractObject2ObjectMap

compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, equals, forEach, get, getDefaultReturnValue, getOrDefault, hashCode, merge, mergeAll, putAll, putAll, putAll, putAllIfAbsent, replace, replace, replaceObjects, replaceObjects, setDefaultReturnValue

Methods inherited from class java.util.AbstractMap

clear, isEmpty, remove, size, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface speiger.src.collections.objects.maps.interfaces.Object2ObjectMap

compute, computeIfAbsent, computeIfPresent, forEach, merge, putAll, remove, replaceAll

Methods inherited from interface java.util.Map

clear, isEmpty, remove, size

Methods inherited from interface speiger.src.collections.objects.functions.function.Object2ObjectFunction

apply

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Constructor Detail

EmptyMap

public EmptyMap()

Method Detail

put

public V put(T key,
             V value)

Description copied from interface: Object2ObjectMap

Type Specific method to reduce boxing/unboxing of values

Specified by:

put in interface java.util.Map<T,V>

Specified by:

put in interface Object2ObjectMap<T,V>

Overrides:

put in class java.util.AbstractMap<T,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(T key,
                     V value)

Description copied from interface: Object2ObjectMap

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)

rem

public V rem(T key)

Description copied from interface: Object2ObjectMap

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

remOrDefault

public V remOrDefault(T key,
                      V defaultValue)

Description copied from interface: Object2ObjectMap

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)

getObject

public V getObject(T key)

Description copied from interface: Object2ObjectFunction

Type Specific get function to reduce boxing/unboxing

Parameters:

key - the value that should be processed

Returns:

the result of the function

keySet

public ObjectSet<T> keySet()

Specified by:

keySet in interface java.util.Map<T,V>

Specified by:

keySet in interface Object2ObjectMap<T,V>

Overrides:

keySet in class AbstractObject2ObjectMap<T,V>

values

public ObjectCollection<V> values()

Specified by:

values in interface java.util.Map<T,V>

Specified by:

values in interface Object2ObjectMap<T,V>

Overrides:

values in class AbstractObject2ObjectMap<T,V>

object2ObjectEntrySet

public ObjectSet<Object2ObjectMap.Entry<T,V>> object2ObjectEntrySet()

Description copied from interface: Object2ObjectMap

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

Returns:

a EntrySet of the collection