Module com.sshtools.volman.core

Package com.sshtools.volman.core

Class Optionals

java.lang.Object

com.sshtools.volman.core.Optionals

public class Optionals
extends Object

Constructor Summary

Constructors

Constructor	Description
Optionals()

Method Summary

Modifier and Type	Method	Description
static <T> Optional<T>	firstVal(Iterable<T> iter)
static <O> Optional<O>	singleOrEmpty(List<O> els, String multipleResultsMessage)
static <T, R> Optional<R>	transform(Optional<T> original, Function<T,R> t)

Methods inherited from class java.lang.Object

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

Constructor Details

Optionals

public Optionals()

Method Details

transform

public static <T,
R> Optional<R> transform(Optional<T> original,
 Function<T,R> t)

firstVal

public static <T> Optional<T> firstVal(Iterable<T> iter)

singleOrEmpty

public static <O> Optional<O> singleOrEmpty(List<O> els,
 String multipleResultsMessage)