Package net.apartium.cocoabeans.state

Class WatcherManager

java.lang.Object

net.apartium.cocoabeans.state.WatcherManager

All Implemented Interfaces:

WatcherOperator

@AvailableSince("0.0.39")
public class WatcherManager
extends Object
implements WatcherOperator

A reference implementation of WatcherOperator, referencing watchers via an identity hash set. This implementation is thread safe. NOTE: To make an instance do anything, its heartbeat() method has to be triggered externally.

See Also:

• WatcherOperator

Constructor Summary

Constructors

Constructor	Description
WatcherManager()

Method Summary

Modifier and Type	Method	Description
void	detach(AttachedWatcher<?> watcher)	Detach a watcher attached with the current instance
void	heartbeat()	Triggers heartbeat on all the attached watchers
<T> AttachedWatcher<T>	watch(Observable<T> depends, Consumer<T> consumer)	Creates a watcher instance attached to the current instance

Methods inherited from class java.lang.Object

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

Constructor Details

WatcherManager

public WatcherManager()

Method Details

heartbeat

public void heartbeat()

Triggers heartbeat on all the attached watchers

See Also:

• Watcher.heartbeat()

watch

public <T> AttachedWatcher<T> watch(Observable<T> depends,
 Consumer<T> consumer)

Creates a watcher instance attached to the current instance

Type Parameters:

T - state element type

Parameters:

depends - observable to depend on

consumer - action to run on change of the observable

Returns:

a new attached watcher instance

See Also:

• Watcher

detach

public void detach(AttachedWatcher<?> watcher)

Detach a watcher attached with the current instance

Specified by:

detach in interface WatcherOperator

Parameters:

watcher - watcher instance