net.shibboleth.utilities.java.support.logic

Class FunctionSupport

java.lang.Object

net.shibboleth.utilities.java.support.logic.FunctionSupport

public final class FunctionSupport
extends Object

Helper class for constructing functions that are fully generic, in contrast to the broken, Object-bound types Guava can build.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	FunctionSupport() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
static <T1,T2> com.google.common.base.Function<T1,T2>	constant(T2 target) Creates a function that returns a constant value, like Functions.constant(Object), but with the type of input parameterized as well as the output.

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionSupport

private FunctionSupport()

Constructor.

Method Detail

constant

@Nonnull
public static <T1,T2> com.google.common.base.Function<T1,T2> constant(@Nonnull
                                                              T2 target)

Creates a function that returns a constant value, like Functions.constant(Object), but with the type of input parameterized as well as the output.

Type Parameters:

T1 - type of object the function needs to act on

T2 - type of object being returned

Parameters:

target - the value to return from the function

Returns:

the constructed function