org.cactoos.scalar

Class Not

java.lang.Object

org.cactoos.scalar.Not

All Implemented Interfaces:

Scalar<Boolean>

public final class Not
extends Object
implements Scalar<Boolean>

Logical negative.

There is no thread-safety guarantee.

This class implements Scalar, which throws a checked Exception. This may not be convenient in many cases. To make it more convenient and get rid of the checked exception you can use UncheckedScalar or IoCheckedScalar decorators.

Since:

0.7

Version:

$Id: f2825b7f085df6c440af167673717515e2755058 $

Author:

Vseslav Sekorin ([email protected])

Nested Class Summary

Nested classes/interfaces inherited from interface org.cactoos.Scalar

Scalar.NoNulls<T>

Constructor Summary

Constructors

Constructor and Description
Not(Scalar<Boolean> scalar) Ctor.

Method Summary

Modifier and Type	Method and Description
Boolean	value() Convert it to the value.

Methods inherited from class java.lang.Object

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

Constructor Detail

Not

public Not(Scalar<Boolean> scalar)

Ctor.

Parameters:

scalar - The scalar

Method Detail

value

public Boolean value()
              throws Exception

Description copied from interface: Scalar

Convert it to the value.

Specified by:

value in interface Scalar<Boolean>

Returns:

The value

Throws:

Exception - If fails