Package com.terracottatech.store.function

Class Constants

java.lang.Object

com.terracottatech.store.function.Constants

public class Constants
extends Object

Provides functionally transparent constant bearing functions of various arities.

Constructor Summary

Constructors

Constructor	Description
Constants()

Method Summary

Modifier and Type	Method	Description
static <T, U, R> BiFunction<T,U,R>	biFunction(R value)	Returns a BiFunction that always returns the constant value.
static <T, R> BuildableFunction<T,R>	function(R value)	Returns a Function that always returns the constant value.
static <T> BuildablePredicate<T>	predicate(boolean value)	Returns a Predicate that always returns the constant value.

Methods inherited from class java.lang.Object

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

Constructor Details

Constants

public Constants()

Method Details

predicate

public static <T> BuildablePredicate<T> predicate(boolean value)

Returns a Predicate that always returns the constant value.

Type Parameters:

T - predicate input type

Parameters:

value - constant boolean value

Returns:

a constant bearing predicate

function

public static <T,
R> BuildableFunction<T,R> function(R value)

Returns a Function that always returns the constant value.

Type Parameters:

T - function input type

R - constant type

Parameters:

value - constant value

Returns:

a constant bearing function

biFunction

public static <T,
U,
R> BiFunction<T,U,R> biFunction(R value)

Returns a BiFunction that always returns the constant value.

Type Parameters:

T - first function input type

U - second function input type

R - constant type

Parameters:

value - constant value

Returns:

a constant bearing bi-function