org.usefultoys.slf4j.watcher

Class WatcherSingleton

java.lang.Object

org.usefultoys.slf4j.watcher.WatcherSingleton

public class WatcherSingleton
extends java.lang.Object

Keeps the default watcher singleton. Offers some methods to execute this watcher periodically on simple architectures.

Field Summary

Fields

Modifier and Type	Field and Description
static Watcher	DEFAULT_WATCHER Watcher default instance.

Method Summary

Modifier and Type	Method and Description
static void	startDefaultWatcherExecutor() Starts the executor that periodically invokes the default watcher to report system status.
static void	startDefaultWatcherTimer() Starts the timer that periodically invokes the default watcher to report system status.
static void	stopDefaultWatcherExecutor() Stops the executor that periodically invokes the default watcher periodically.
static void	stopDefaultWatcherTimer() Stops the timer that periodically invokes the default watcher periodically.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_WATCHER

public static final Watcher DEFAULT_WATCHER

Watcher default instance. It is created at application startup and named as system property slf4jtoys.watcher.name, which defaults to watcher. You cannot assign a new default watcher at runtime.

Method Detail

startDefaultWatcherExecutor

public static void startDefaultWatcherExecutor()

Starts the executor that periodically invokes the default watcher to report system status. Intended for simple architectures. May not be suitable for JavaEE environments that manage threads by itself.

stopDefaultWatcherExecutor

public static void stopDefaultWatcherExecutor()

Stops the executor that periodically invokes the default watcher periodically.

startDefaultWatcherTimer

public static void startDefaultWatcherTimer()

Starts the timer that periodically invokes the default watcher to report system status. Intended for simple architectures. May not be suitable for JavaEE environments that manage threads by itself.

stopDefaultWatcherTimer

public static void stopDefaultWatcherTimer()

Stops the timer that periodically invokes the default watcher periodically.