org.takes.misc

Class Opt.Single<T>

java.lang.Object

org.takes.misc.Opt.Single<T>

Type Parameters:

T - Type of item

All Implemented Interfaces:

Opt<T>

Enclosing interface:

Opt<T>

public static final class Opt.Single<T>
extends Object
implements Opt<T>

Holder for a single element only.

The class is immutable and thread-safe.

Since:

0.14

Version:

$Id: b622fd2f451dea99f51d64ea3498d69227c85c71 $

Author:

Dmitry Zaytsev ([email protected])

Nested Class Summary

Nested classes/interfaces inherited from interface org.takes.misc.Opt

Opt.Empty<T>, Opt.Single<T>

Constructor Summary

Constructors

Constructor and Description
Single(T orgn) Ctor.

Method Summary

Modifier and Type	Method and Description
T	get() Returns the contained instance.
boolean	has() Returns true if contains instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

Single

public Single(T orgn)

Ctor.

Parameters:

orgn - Origin

Method Detail

get

public T get()

Description copied from interface: Opt

Returns the contained instance.

Specified by:

get in interface Opt<T>

Returns:

Instance

has

public boolean has()

Description copied from interface: Opt

Returns true if contains instance.

Specified by:

has in interface Opt<T>

Returns:

True if present