org.neo4j.function

Class Functions

java.lang.Object

org.neo4j.function.Functions

public final class Functions
extends Object

Constructors for basic Function and BiFunction types

Field Summary

Fields

Modifier and Type	Field and Description
static Function<Object,String>	TO_STRING

Constructor Summary

Constructors

Constructor and Description
Functions()

Method Summary

Methods

Modifier and Type	Method and Description
static <FROM,TO> Function<FROM,TO>	cast(Class<TO> to)
static <From,From2,To> Function2<? super Function<From,From2>,? super Function<From2,To>,Function<From,To>>	compose()
static <T1,T2> Function2<? super BiFunction<T1,T2,T1>,? super BiFunction<T1,T2,T1>,Function2<T1,T2,T1>>	compose2()
static <From,To> Function<From,To>	constant(To value)
static <T> Factory<T>	constantly(T item) Deprecated. use Suppliers.singleton(Object)
static <T> Function<T,Void>	fromConsumer(Consumer<T> consumer)
static <T> Function<Void,T>	fromSupplier(Supplier<T> supplier)
static <T> UnaryOperator<T>	identity()
static <From,To> Function<From,To>	map(Map<From,To> map)
static <From,To> Function<From,To>	nullFunction()
static <TYPE> Consumer<TYPE>	swallow(Class<TYPE> type) Deprecated. use Consumers.noop()
static <From,To> Function<From,To>	withDefaults(Function<From,To> defaults, Function<From,To> f)

Methods inherited from class java.lang.Object

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

Field Detail

TO_STRING

public static Function<Object,String> TO_STRING

Constructor Detail

Functions

public Functions()

Method Detail

map

public static <From,To> Function<From,To> map(Map<From,To> map)

withDefaults

public static <From,To> Function<From,To> withDefaults(Function<From,To> defaults,
                                       Function<From,To> f)

nullFunction

public static <From,To> Function<From,To> nullFunction()

constant

public static <From,To> Function<From,To> constant(To value)

identity

public static <T> UnaryOperator<T> identity()

compose

public static <From,From2,To> Function2<? super Function<From,From2>,? super Function<From2,To>,Function<From,To>> compose()

compose2

public static <T1,T2> Function2<? super BiFunction<T1,T2,T1>,? super BiFunction<T1,T2,T1>,Function2<T1,T2,T1>> compose2()

cast

public static <FROM,TO> Function<FROM,TO> cast(Class<TO> to)

fromConsumer

public static <T> Function<T,Void> fromConsumer(Consumer<T> consumer)

fromSupplier

public static <T> Function<Void,T> fromSupplier(Supplier<T> supplier)

swallow

@Deprecated
public static <TYPE> Consumer<TYPE> swallow(Class<TYPE> type)

Deprecated. use Consumers.noop()

constantly

@Deprecated
public static <T> Factory<T> constantly(T item)

Deprecated. use Suppliers.singleton(Object)