it.unimi.dsi.fastutil.objects

Class Object2ObjectFunctions.EmptyFunction<K,V>

java.lang.Object

it.unimi.dsi.fastutil.objects.AbstractObject2ObjectFunction<K,V>

it.unimi.dsi.fastutil.objects.Object2ObjectFunctions.EmptyFunction<K,V>

All Implemented Interfaces:

it.unimi.dsi.fastutil.objects.Object2ObjectFunction<K,V>, java.io.Serializable, java.lang.Cloneable, java.util.function.Function<K,V>

Direct Known Subclasses:

Object2ObjectMaps.EmptyMap

Enclosing class:

Object2ObjectFunctions

public static class Object2ObjectFunctions.EmptyFunction<K,V>
extends AbstractObject2ObjectFunction<K,V>
implements java.io.Serializable, java.lang.Cloneable

An immutable class representing an empty type-specific function.

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

See Also:

Serialized Form

Field Summary

Fields inherited from class it.unimi.dsi.fastutil.objects.AbstractObject2ObjectFunction

defRetValue

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	EmptyFunction()

Method Summary

Modifier and Type	Method and Description
void	clear()
java.lang.Object	clone()
boolean	containsKey(java.lang.Object k)
V	defaultReturnValue()
void	defaultReturnValue(V defRetValue)
boolean	equals(java.lang.Object o)
V	get(java.lang.Object k)
V	getOrDefault(java.lang.Object k, V defaultValue)
int	hashCode()
int	size()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface it.unimi.dsi.fastutil.objects.Object2ObjectFunction

andThenByte, andThenChar, andThenDouble, andThenFloat, andThenInt, andThenLong, andThenObject, andThenReference, andThenShort, composeByte, composeChar, composeDouble, composeFloat, composeInt, composeLong, composeObject, composeReference, composeShort, put, remove

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

apply

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Constructor Detail

EmptyFunction

protected EmptyFunction()

Method Detail

get

public V get(java.lang.Object k)

Specified by:

get in interface it.unimi.dsi.fastutil.objects.Object2ObjectFunction<K,V>

getOrDefault

public V getOrDefault(java.lang.Object k,
                      V defaultValue)

Specified by:

getOrDefault in interface it.unimi.dsi.fastutil.objects.Object2ObjectFunction<K,V>

containsKey

public boolean containsKey(java.lang.Object k)

defaultReturnValue

public V defaultReturnValue()

Specified by:

defaultReturnValue in interface it.unimi.dsi.fastutil.objects.Object2ObjectFunction<K,V>

Overrides:

defaultReturnValue in class AbstractObject2ObjectFunction<K,V>

defaultReturnValue

public void defaultReturnValue(V defRetValue)

Specified by:

defaultReturnValue in interface it.unimi.dsi.fastutil.objects.Object2ObjectFunction<K,V>

Overrides:

defaultReturnValue in class AbstractObject2ObjectFunction<K,V>

size

public int size()

clear

public void clear()

clone

public java.lang.Object clone()

Overrides:

clone in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object