org.openzen.zengarden.watched

Class GuardedLong

java.lang.Object

org.openzen.zengarden.watched.GuardedLong

All Implemented Interfaces:

WatchedLong, WatchedValue<java.lang.Long>

public class GuardedLong
extends java.lang.Object
implements WatchedLong

Guarded version of a WatchedLong. Performs validation before applying the value, does nothing if validation fails.

Constructor Summary

Constructors

Constructor and Description
GuardedLong(WatchedLong value, LongPredicate test)

Method Summary

Modifier and Type	Method and Description
long	get()
WatchedLong	guard(LongPredicate test)
WatchedLong	lock()
void	set(long value)
ListenerHandle<?>	whenChanged(EventListener<AfterChangeEvent<java.lang.Long>> listener)
ListenerHandle<?>	whenGoingToChange(EventListener<BeforeChangeEvent<java.lang.Long>> listener) Subscribes for value changes.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openzen.zengarden.watched.WatchedLong

of

Constructor Detail

GuardedLong

public GuardedLong(WatchedLong value,
                   LongPredicate test)

Method Detail

get

public long get()

Specified by:

get in interface WatchedLong

set

public void set(long value)

Specified by:

set in interface WatchedLong

lock

public WatchedLong lock()

Specified by:

lock in interface WatchedLong

Specified by:

lock in interface WatchedValue<java.lang.Long>

guard

public WatchedLong guard(LongPredicate test)

Specified by:

guard in interface WatchedLong

whenGoingToChange

public ListenerHandle<?> whenGoingToChange(EventListener<BeforeChangeEvent<java.lang.Long>> listener)

Description copied from interface: WatchedValue

Subscribes for value changes. The listener will be called before the value has been changed.

Specified by:

whenGoingToChange in interface WatchedValue<java.lang.Long>

Parameters:

listener - listener to register

Returns:

listener handle (used to remove the listener)

whenChanged

public ListenerHandle<?> whenChanged(EventListener<AfterChangeEvent<java.lang.Long>> listener)

Specified by:

whenChanged in interface WatchedValue<java.lang.Long>