Package org.apache.zookeeper.server

Class WatchManager

java.lang.Object

org.apache.zookeeper.server.WatchManager

public class WatchManager
extends java.lang.Object

This class manages watches. It allows watches to be associated with a string and removes watchers and their watches in addition to managing triggers.

Constructor Summary

Constructors

Constructor	Description
WatchManager()

Method Summary

Modifier and Type	Method	Description
void	addWatch(java.lang.String path, Watcher watcher)
void	dumpWatches(java.io.PrintWriter pwriter, boolean byPath)	String representation of watches.
void	removeWatcher(Watcher watcher)
int	size()
java.lang.String	toString()	Brief description of this object.
java.util.Set<Watcher>	triggerWatch(java.lang.String path, Watcher.Event.EventType type)
java.util.Set<Watcher>	triggerWatch(java.lang.String path, Watcher.Event.EventType type, java.util.Set<Watcher> supress)

Methods inherited from class java.lang.Object

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

Constructor Detail

WatchManager

public WatchManager()

Method Detail

size

public int size()

addWatch

public void addWatch(java.lang.String path,
                     Watcher watcher)

removeWatcher

public void removeWatcher(Watcher watcher)

triggerWatch

public java.util.Set<Watcher> triggerWatch(java.lang.String path,
                                           Watcher.Event.EventType type)

triggerWatch

public java.util.Set<Watcher> triggerWatch(java.lang.String path,
                                           Watcher.Event.EventType type,
                                           java.util.Set<Watcher> supress)

toString

public java.lang.String toString()

Brief description of this object.

Overrides:

toString in class java.lang.Object

dumpWatches

public void dumpWatches(java.io.PrintWriter pwriter,
                        boolean byPath)

String representation of watches. Warning, may be large!

Parameters:

byPath - iff true output watches by paths, otw output watches by connection