ucar.nc2.util

Class Optional<T>

java.lang.Object

ucar.nc2.util.Optional<T>

public class Optional<T>
extends java.lang.Object

Optional with an error message when empty

Method Summary

Modifier and Type	Method and Description
static <T> Optional<T>	empty(java.lang.String errMessage)
T	get()
java.lang.String	getErrorMessage()
boolean	isPresent()
static <T> Optional<T>	of(T value)

Methods inherited from class java.lang.Object

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

Method Detail

empty

public static <T> Optional<T> empty(java.lang.String errMessage)

of

public static <T> Optional<T> of(T value)

get

public T get()

isPresent

public boolean isPresent()

getErrorMessage

public java.lang.String getErrorMessage()