it.unimi.dsi.fastutil.floats

Class Float2ObjectMaps.EmptyMap<V>

java.lang.Object

it.unimi.dsi.fastutil.floats.AbstractFloat2ObjectFunction<V>

it.unimi.dsi.fastutil.floats.Float2ObjectFunctions.EmptyFunction<V>

it.unimi.dsi.fastutil.floats.Float2ObjectMaps.EmptyMap<V>

All Implemented Interfaces:

Float2ObjectFunction<V>, Float2ObjectMap<V>, Serializable, Cloneable, DoubleFunction<V>, Function<Float,V>, Map<Float,V>

Direct Known Subclasses:

Float2ObjectSortedMaps.EmptySortedMap

Enclosing class:

Float2ObjectMaps

public static class Float2ObjectMaps.EmptyMap<V>
extends Float2ObjectFunctions.EmptyFunction<V>
implements Float2ObjectMap<V>, Serializable, Cloneable

An immutable class representing an empty type-specific map.

This class may be useful to implement your own in case you subclass a type-specific map.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.floats.Float2ObjectMap

Float2ObjectMap.Entry<V>, Float2ObjectMap.FastEntrySet<V>

Field Summary

Fields inherited from class it.unimi.dsi.fastutil.floats.AbstractFloat2ObjectFunction

defRetValue

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	EmptyMap()

Method Summary

Modifier and Type	Method and Description
Object	clone()
boolean	containsValue(Object v)
boolean	equals(Object o)
ObjectSet<Float2ObjectMap.Entry<V>>	float2ObjectEntrySet() Returns a type-specific set view of the mappings contained in this map.
int	hashCode()
boolean	isEmpty()
FloatSet	keySet()
void	putAll(Map<? extends Float,? extends V> m)
String	toString()
ObjectCollection<V>	values()

Methods inherited from class it.unimi.dsi.fastutil.floats.Float2ObjectFunctions.EmptyFunction

clear, containsKey, defaultReturnValue, defaultReturnValue, get, size

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface it.unimi.dsi.fastutil.floats.Float2ObjectMap

clear, compute, compute, computeIfAbsent, computeIfAbsent, computeIfAbsentPartial, computeIfPresent, computeIfPresent, containsKey, containsKey, defaultReturnValue, defaultReturnValue, entrySet, get, getOrDefault, getOrDefault, merge, merge, put, putIfAbsent, putIfAbsent, remove, remove, remove, replace, replace, replace, replace, size

Methods inherited from interface it.unimi.dsi.fastutil.floats.Float2ObjectFunction

apply, get, put, remove

Methods inherited from interface it.unimi.dsi.fastutil.Function

apply

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Methods inherited from interface java.util.Map

forEach, replaceAll

Constructor Detail

EmptyMap

protected EmptyMap()

Method Detail

containsValue

public boolean containsValue(Object v)

Specified by:

containsValue in interface Map<Float,V>

putAll

public void putAll(Map<? extends Float,? extends V> m)

Specified by:

putAll in interface Map<Float,V>

float2ObjectEntrySet

public ObjectSet<Float2ObjectMap.Entry<V>> float2ObjectEntrySet()

Description copied from interface: Float2ObjectMap

Returns a type-specific set view of the mappings contained in this map.

This method is necessary because there is no inheritance along type parameters: it is thus impossible to strengthen Map.entrySet() so that it returns an ObjectSet of type-specific entries (the latter makes it possible to access keys and values with type-specific methods).

Specified by:

float2ObjectEntrySet in interface Float2ObjectMap<V>

Returns:

a type-specific set view of the mappings contained in this map.

See Also:

Map.entrySet()

keySet

public FloatSet keySet()

Description copied from interface: Float2ObjectMap

Note that this specification strengthens the one given in Map.keySet().

Specified by:

keySet in interface Float2ObjectMap<V>

Specified by:

keySet in interface Map<Float,V>

Returns:

a set view of the keys contained in this map.

See Also:

Map.keySet()

values

public ObjectCollection<V> values()

Description copied from interface: Float2ObjectMap

Note that this specification strengthens the one given in Map.values().

Specified by:

values in interface Float2ObjectMap<V>

Specified by:

values in interface Map<Float,V>

Returns:

a set view of the values contained in this map.

See Also:

Map.values()

clone

public Object clone()

Overrides:

clone in class Float2ObjectFunctions.EmptyFunction<V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<Float,V>

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<Float,V>

Overrides:

hashCode in class Float2ObjectFunctions.EmptyFunction<V>

equals

public boolean equals(Object o)

Specified by:

equals in interface Map<Float,V>

Overrides:

equals in class Float2ObjectFunctions.EmptyFunction<V>

toString

public String toString()

Overrides:

toString in class Float2ObjectFunctions.EmptyFunction<V>