Uses of Interface
org.apache.zookeeper.Watcher

Packages that use Watcher

Package	Description
org.apache.zookeeper
org.apache.zookeeper.server	ZooKeeper server theory of operation
org.apache.zookeeper.server.upgrade

Uses of Watcher in org.apache.zookeeper

Methods in org.apache.zookeeper that return types with arguments of type Watcher

Modifier and Type	Method	Description
java.util.Set<Watcher>	ClientWatchManager.materialize(Watcher.Event.KeeperState state, Watcher.Event.EventType type, java.lang.String path)	Return a set of watchers that should be notified of the event.

Methods in org.apache.zookeeper with parameters of type Watcher

Modifier and Type	Method	Description
Stat	ZooKeeper.exists(java.lang.String path, Watcher watcher)	Return the stat of the node of the given path.
void	ZooKeeper.exists(java.lang.String path, Watcher watcher, AsyncCallback.StatCallback cb, java.lang.Object ctx)	The asynchronous version of exists.
java.util.List<java.lang.String>	ZooKeeper.getChildren(java.lang.String path, Watcher watcher)	Return the list of the children of the node of the given path.
void	ZooKeeper.getChildren(java.lang.String path, Watcher watcher, AsyncCallback.Children2Callback cb, java.lang.Object ctx)	The asynchronous version of getChildren.
void	ZooKeeper.getChildren(java.lang.String path, Watcher watcher, AsyncCallback.ChildrenCallback cb, java.lang.Object ctx)	The asynchronous version of getChildren.
java.util.List<java.lang.String>	ZooKeeper.getChildren(java.lang.String path, Watcher watcher, Stat stat)	For the given znode path return the stat and children list.
void	ZooKeeper.getData(java.lang.String path, Watcher watcher, AsyncCallback.DataCallback cb, java.lang.Object ctx)	The asynchronous version of getData.
byte[]	ZooKeeper.getData(java.lang.String path, Watcher watcher, Stat stat)	Return the data and the stat of the node of the given path.
void	ZooKeeper.register(Watcher watcher)	Specify the default watcher for the connection (overrides the one specified during construction).

Constructors in org.apache.zookeeper with parameters of type Watcher

Constructor	Description
ZooKeeper(java.lang.String connectString, int sessionTimeout, Watcher watcher)	To create a ZooKeeper client object, the application needs to pass a connection string containing a comma separated list of host:port pairs, each corresponding to a ZooKeeper server.
ZooKeeper(java.lang.String connectString, int sessionTimeout, Watcher watcher, boolean canBeReadOnly)	To create a ZooKeeper client object, the application needs to pass a connection string containing a comma separated list of host:port pairs, each corresponding to a ZooKeeper server.
ZooKeeper(java.lang.String connectString, int sessionTimeout, Watcher watcher, long sessionId, byte[] sessionPasswd)	To create a ZooKeeper client object, the application needs to pass a connection string containing a comma separated list of host:port pairs, each corresponding to a ZooKeeper server.
ZooKeeper(java.lang.String connectString, int sessionTimeout, Watcher watcher, long sessionId, byte[] sessionPasswd, boolean canBeReadOnly)	To create a ZooKeeper client object, the application needs to pass a connection string containing a comma separated list of host:port pairs, each corresponding to a ZooKeeper server.

Uses of Watcher in org.apache.zookeeper.server

Classes in org.apache.zookeeper.server that implement Watcher

Modifier and Type	Class	Description
class	NettyServerCnxn
class	NIOServerCnxn	This class handles communication with clients using NIO.
class	ServerCnxn	Interface to a Server connection - represents a connection from a client to the server.

Methods in org.apache.zookeeper.server that return types with arguments of type Watcher

Modifier and Type	Method	Description
java.util.Set<Watcher>	WatchManager.triggerWatch(java.lang.String path, Watcher.Event.EventType type)
java.util.Set<Watcher>	WatchManager.triggerWatch(java.lang.String path, Watcher.Event.EventType type, java.util.Set<Watcher> supress)

Methods in org.apache.zookeeper.server with parameters of type Watcher

Modifier and Type	Method	Description
void	WatchManager.addWatch(java.lang.String path, Watcher watcher)
java.util.List<java.lang.String>	DataTree.getChildren(java.lang.String path, Stat stat, Watcher watcher)
java.util.List<java.lang.String>	ZKDatabase.getChildren(java.lang.String path, Stat stat, Watcher watcher)	get children list for this path
byte[]	DataTree.getData(java.lang.String path, Stat stat, Watcher watcher)
byte[]	ZKDatabase.getData(java.lang.String path, Stat stat, Watcher watcher)	get data and stat for a path
void	DataTree.removeCnxn(Watcher watcher)
void	WatchManager.removeWatcher(Watcher watcher)
void	DataTree.setWatches(long relativeZxid, java.util.List<java.lang.String> dataWatches, java.util.List<java.lang.String> existWatches, java.util.List<java.lang.String> childWatches, Watcher watcher)
void	ZKDatabase.setWatches(long relativeZxid, java.util.List<java.lang.String> dataWatches, java.util.List<java.lang.String> existWatches, java.util.List<java.lang.String> childWatches, Watcher watcher)	set watches on the datatree
Stat	DataTree.statNode(java.lang.String path, Watcher watcher)

Method parameters in org.apache.zookeeper.server with type arguments of type Watcher

Modifier and Type	Method	Description
java.util.Set<Watcher>	WatchManager.triggerWatch(java.lang.String path, Watcher.Event.EventType type, java.util.Set<Watcher> supress)

Uses of Watcher in org.apache.zookeeper.server.upgrade

Methods in org.apache.zookeeper.server.upgrade with parameters of type Watcher

Modifier and Type	Method	Description
java.util.ArrayList<java.lang.String>	DataTreeV1.getChildren(java.lang.String path, Stat stat, Watcher watcher)
byte[]	DataTreeV1.getData(java.lang.String path, Stat stat, Watcher watcher)
void	DataTreeV1.removeCnxn(Watcher watcher)
Stat	DataTreeV1.statNode(java.lang.String path, Watcher watcher)