Class Functions

java.lang.Object

org.jboss.resteasy.spi.util.Functions

public class Functions
extends Object

A simple utility for various functions.

Author:

James R. Perkins

Method Summary

Modifier and Type	Method	Description
static <T> Supplier<T>	singleton(Supplier<T> generator)	Creates a supplier which loads the value at most once with the provided generator.

Methods inherited from class java.lang.Object

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

Method Details

singleton

public static <T> Supplier<T> singleton(Supplier<T> generator)

Creates a supplier which loads the value at most once with the provided generator.

Type Parameters:

T - the type of result

Parameters:

generator - the generator to load the value

Returns:

a singleton supplier