org.optaweb.employeerostering.gwtui.client.common

Class Lockable<T>

java.lang.Object

org.optaweb.employeerostering.gwtui.client.common.Lockable<T>

public class Lockable<T>
extends Object

Constructor Summary

Constructors

Constructor and Description
Lockable()

Method Summary

Modifier and Type	Method and Description
elemental2.promise.Promise<T>	acquire() Waits for instance to be available, and acquire a Lock.
boolean	acquireIfPossible(Consumer<T> consumer) Consumes the instance if it is not locked and return true, else returns false
boolean	isLocked()
void	setInstance(T instance)

Methods inherited from class java.lang.Object

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

Constructor Detail

Lockable

public Lockable()

Method Detail

acquire

public elemental2.promise.Promise<T> acquire()

Waits for instance to be available, and acquire a Lock. The Lock is released when the promise is resolved or rejected.

Returns:

A promise returning the Lockable instance

isLocked

public boolean isLocked()

acquireIfPossible

public boolean acquireIfPossible(Consumer<T> consumer)

Consumes the instance if it is not locked and return true, else returns false

Returns:

true iff the instance was consumed

setInstance

public void setInstance(T instance)