com.io7m.r2.core

Class R2Watchable<T>

java.lang.Object

com.io7m.r2.core.R2Watchable<T>

Type Parameters:

T - The type of watched values

All Implemented Interfaces:

R2WatchableType<T>

public final class R2Watchable<T>
extends Object
implements R2WatchableType<T>

The default implementation of the R2WatchableType interface.

Method Summary

Modifier and Type	Method and Description
static <T> R2WatchableType<T>	newWatchable(T initial) Create a new watchable with the given initial value.
void	watchableAdd(Consumer<T> w) Add a watcher.
void	watchableChanged() Notify all watchers that the value has changed.
void	watchableRemove(Consumer<T> w) Remove a watcher.

Methods inherited from class java.lang.Object

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

Method Detail

newWatchable

public static <T> R2WatchableType<T> newWatchable(T initial)

Create a new watchable with the given initial value.

Type Parameters:

T - The type of value

Parameters:

initial - The value

Returns:

A new watchable

watchableAdd

public void watchableAdd(Consumer<T> w)

Description copied from interface: R2WatchableType

Add a watcher. The watcher will be notified every time R2WatchableType.watchableChanged() is called.

Specified by:

watchableAdd in interface R2WatchableType<T>

Parameters:

w - The watcher

watchableRemove

public void watchableRemove(Consumer<T> w)

Description copied from interface: R2WatchableType

Remove a watcher.

Specified by:

watchableRemove in interface R2WatchableType<T>

Parameters:

w - The watcher

watchableChanged

public void watchableChanged()

Description copied from interface: R2WatchableType

Notify all watchers that the value has changed.

Specified by:

watchableChanged in interface R2WatchableType<T>