Package org.apache.curator.ensemble

Interface EnsembleProvider

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

FixedEnsembleProvider

public interface EnsembleProvider
extends Closeable

Abstraction that provides the ZooKeeper connection string

Method Summary

Modifier and Type	Method	Description
void	close()	Curator will call this method when CuratorZookeeperClient.close() is called
String	getConnectionString()	Return the current connection string to use.
void	setConnectionString(String connectionString)	A new connection string event was received
void	start()	Curator will call this method when CuratorZookeeperClient.start() is called
boolean	updateServerListEnabled()	Return true if this ensemble provider supports ZooKeeper.updateServerList(String)

Method Details

start

void start()
    throws Exception

Curator will call this method when CuratorZookeeperClient.start() is called

Throws:

Exception - errors

getConnectionString

String getConnectionString()

Return the current connection string to use. Curator will call this each time it needs to create a ZooKeeper instance

Returns:

connection string (per ZooKeeper(String, int, Watcher) etc.)

close

void close()
    throws IOException

Curator will call this method when CuratorZookeeperClient.close() is called

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException - errors

setConnectionString

void setConnectionString(String connectionString)

A new connection string event was received

Parameters:

connectionString - the new connection string

updateServerListEnabled

boolean updateServerListEnabled()

Return true if this ensemble provider supports ZooKeeper.updateServerList(String)

Returns:

true/false