it.unimi.dsi.fastutil.objects

Class Object2IntFunctions.PrimitiveFunction<K>

java.lang.Object

it.unimi.dsi.fastutil.objects.Object2IntFunctions.PrimitiveFunction<K>

All Implemented Interfaces:

Object2IntFunction<K>, Function<K,Integer>, ToIntFunction<K>

Enclosing class:

Object2IntFunctions

public static class Object2IntFunctions.PrimitiveFunction<K>
extends Object
implements Object2IntFunction<K>

An adapter for mapping generic total functions to partial primitive functions.

Field Summary

Fields

Modifier and Type	Field and Description
protected Function<? super K,? extends Integer>	function

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PrimitiveFunction(Function<? super K,? extends Integer> function)

Method Summary

Modifier and Type	Method and Description
boolean	containsKey(Object key) Returns true if this function contains a mapping for the specified key.
Integer	get(Object key) Deprecated.
int	getInt(Object key) Returns the value to which the given key is mapped.
Integer	put(K key, Integer value) Deprecated.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface it.unimi.dsi.fastutil.objects.Object2IntFunction

applyAsInt, defaultReturnValue, defaultReturnValue, put, remove, removeInt

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

apply, clear, size

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Field Detail

function

protected final Function<? super K,? extends Integer> function

Constructor Detail

PrimitiveFunction

protected PrimitiveFunction(Function<? super K,? extends Integer> function)

Method Detail

containsKey

public boolean containsKey(Object key)

Description copied from interface: Function

Returns true if this function contains a mapping for the specified key.

Note that for some kind of functions (e.g., hashes) this method will always return true. This default implementation, in particular, always return true.

Parameters:

key - the key.

Returns:

true if this function associates a value to key.

See Also:

Map.containsKey(Object)

getInt

public int getInt(Object key)

Description copied from interface: Object2IntFunction

Returns the value to which the given key is mapped.

Specified by:

getInt in interface Object2IntFunction<K>

Parameters:

key - the key.

Returns:

the corresponding value, or the default return value if no value was present for the given key.

See Also:

Function.get(Object)

get

@Deprecated
public Integer get(Object key)

Deprecated.

Description copied from interface: Object2IntFunction

Returns the value associated by this function to the specified key.

Specified by:

get in interface Object2IntFunction<K>

Parameters:

key - the key.

Returns:

the corresponding value, or null if no value was present for the given key.

See Also:

Map.get(Object)

put

@Deprecated
public Integer put(K key,
                               Integer value)

Deprecated.

Description copied from interface: Object2IntFunction

Associates the specified value with the specified key in this function (optional operation).

Specified by:

put in interface Object2IntFunction<K>

Parameters:

key - the key.

value - the value.

Returns:

the old value, or null if no value was present for the given key.

See Also:

Map.put(Object,Object)