Package com.yahoo.vespa.config

Class JRTConnectionPool

java.lang.Object

com.yahoo.vespa.config.JRTConnectionPool

All Implemented Interfaces:

ConnectionPool, AutoCloseable

public class JRTConnectionPool
extends Object
implements ConnectionPool

A pool of JRT connections to a config source (either a config server or a config proxy). The current connection is chosen randomly when calling switchConnection(Connection) (it will continue to use the same connection if there is only one source). The current connection is available with getCurrent().

Author:

Gunnar Gauslaa Bergem, hmusum

Constructor Summary

Constructors

Constructor	Description
JRTConnectionPool(ConfigSourceSet sourceSet)
JRTConnectionPool(ConfigSourceSet sourceSet, com.yahoo.jrt.Supervisor supervisor)

Method Summary

Modifier and Type	Method	Description
void	addSources(ConfigSourceSet sourceSet)
void	close()
JRTConnection	getCurrent()	Returns the current JRTConnection instance
int	getSize()
protected List<JRTConnection>	getSources()
JRTConnection	initialize()
protected JRTConnection	pickNewConnectionRandomly(List<JRTConnection> sources)
JRTConnection	switchConnection(Connection failingConnection)	Switches to another (healthy, if possible) Connection instance.
String	toString()
JRTConnectionPool	updateSources(ConfigSourceSet sourceSet)
JRTConnectionPool	updateSources(List<String> addresses)

Methods inherited from class java.lang.Object

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

Constructor Detail

JRTConnectionPool

public JRTConnectionPool(ConfigSourceSet sourceSet)

JRTConnectionPool

public JRTConnectionPool(ConfigSourceSet sourceSet,
                         com.yahoo.jrt.Supervisor supervisor)

Method Detail

addSources

public void addSources(ConfigSourceSet sourceSet)

getCurrent

public JRTConnection getCurrent()

Returns the current JRTConnection instance

Specified by:

getCurrent in interface ConnectionPool

Returns:

a JRTConnection

switchConnection

public JRTConnection switchConnection(Connection failingConnection)

Description copied from interface: ConnectionPool

Switches to another (healthy, if possible) Connection instance. ConnectionPool.getCurrent() will return this instance afterwards, which is also the return value.

Specified by:

switchConnection in interface ConnectionPool

Returns:

a Connection

initialize

public JRTConnection initialize()

pickNewConnectionRandomly

protected JRTConnection pickNewConnectionRandomly(List<JRTConnection> sources)

getSources

protected List<JRTConnection> getSources()

updateSources

public JRTConnectionPool updateSources(List<String> addresses)

updateSources

public JRTConnectionPool updateSources(ConfigSourceSet sourceSet)

toString

public String toString()

Overrides:

toString in class Object

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface ConnectionPool

getSize

public int getSize()

Specified by:

getSize in interface ConnectionPool