org.cactoos.scalar

Class SyncScalar<T>

java.lang.Object

org.cactoos.scalar.SyncScalar<T>

Type Parameters:

T - Type of result

All Implemented Interfaces:

Scalar<T>

public final class SyncScalar<T>
extends Object
implements Scalar<T>

Scalar that is thread-safe.

Since:

0.3

Version:

$Id: 2b31f37f7e3a31efa4c3fbf63f8d323de3fd842b $

Author:

Tim Hinkes ([email protected])

Nested Class Summary

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

Scalar.NoNulls<T>

Constructor Summary

Constructors

Constructor and Description
SyncScalar(Scalar<T> src) Ctor.
SyncScalar(Scalar<T> src, Object lck) Ctor.

Method Summary

Modifier and Type	Method and Description
T	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

SyncScalar

public SyncScalar(Scalar<T> src)

Ctor.

Parameters:

src - The Scalar to cache

SyncScalar

public SyncScalar(Scalar<T> src,
                  Object lck)

Ctor.

Parameters:

src - The Scalar to cache

lck - Sync lock

Method Detail

value

public T value()
        throws Exception

Description copied from interface: Scalar

Convert it to the value.

Specified by:

value in interface Scalar<T>

Returns:

The value

Throws:

Exception - If fails