org.apache.curator.ensemble.fixed

Class FixedEnsembleProvider

java.lang.Object

org.apache.curator.ensemble.fixed.FixedEnsembleProvider

All Implemented Interfaces:

Closeable, AutoCloseable, EnsembleProvider

public class FixedEnsembleProvider
extends Object
implements EnsembleProvider

Standard ensemble provider that wraps a fixed connection string

Constructor Summary

Constructors

Constructor and Description
FixedEnsembleProvider(String connectionString) The connection string to use
FixedEnsembleProvider(String connectionString, boolean updateServerListEnabled) The connection string to use

Method Summary

Modifier and Type	Method and 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)

Methods inherited from class java.lang.Object

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

Constructor Detail

FixedEnsembleProvider

public FixedEnsembleProvider(String connectionString)

The connection string to use

Parameters:

connectionString - connection string

FixedEnsembleProvider

public FixedEnsembleProvider(String connectionString,
                             boolean updateServerListEnabled)

The connection string to use

Parameters:

connectionString - connection string

updateServerListEnabled - if true, allow Curator to call ZooKeeper.updateServerList(String)

Method Detail

start

public void start()
           throws Exception

Description copied from interface: EnsembleProvider

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

Specified by:

start in interface EnsembleProvider

Throws:

Exception - errors

close

public void close()
           throws IOException

Description copied from interface: EnsembleProvider

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

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface EnsembleProvider

Throws:

IOException - errors

setConnectionString

public void setConnectionString(String connectionString)

Description copied from interface: EnsembleProvider

A new connection string event was received

Specified by:

setConnectionString in interface EnsembleProvider

Parameters:

connectionString - the new connection string

getConnectionString

public String getConnectionString()

Description copied from interface: EnsembleProvider

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

Specified by:

getConnectionString in interface EnsembleProvider

Returns:

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

updateServerListEnabled

public boolean updateServerListEnabled()

Description copied from interface: EnsembleProvider

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

Specified by:

updateServerListEnabled in interface EnsembleProvider

Returns:

true/false