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>, Function<Float,V>, Serializable, Cloneable, 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

Modifier and Type	Field and Description
static long	serialVersionUID

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

defRetValue

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Float2ObjectMaps.EmptyMap()

Method Summary

Methods

Modifier and Type	Method and Description
Object	clone()
boolean	containsValue(Object v)
ObjectSet<Map.Entry<Float,V>>	entrySet() Returns a set view of the mappings contained in this map.
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() Returns a set view of the keys contained in this map.
void	putAll(Map<? extends Float,? extends V> m)
String	toString()
ObjectCollection<V>	values() Returns a set view of the values contained in this map.

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

clear, containsKey, defaultReturnValue, defaultReturnValue, get, get, size

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

containsKey, put, put, remove, remove

Methods inherited from class java.lang.Object

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

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

containsKey, defaultReturnValue, defaultReturnValue, get, put, remove

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

clear, containsKey, get, put, remove, size

Methods inherited from interface java.util.Map

clear, containsKey, get, put, remove, size

Field Detail

serialVersionUID

public static final long serialVersionUID

See Also:

Constant Field Values

Constructor Detail

Float2ObjectMaps.EmptyMap

protected Float2ObjectMaps.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 Float2ObjectMap.entrySet() so that it returns an ObjectSet of objects of type Map.Entry (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:

Float2ObjectMap.entrySet()

keySet

public FloatSet keySet()

Description copied from interface: Float2ObjectMap

Returns a set view of the keys contained in this map.

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

Returns a set view of the values contained in this map.

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>

entrySet

public ObjectSet<Map.Entry<Float,V>> entrySet()

Description copied from interface: Float2ObjectMap

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

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

Specified by:

entrySet in interface Float2ObjectMap<V>

Specified by:

entrySet in interface Map<Float,V>

Returns:

a set view of the mappings contained in this map.

See Also:

Map.entrySet()

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<Float,V>

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Specified by:

equals in interface Map<Float,V>

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object