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Java Source Code / Java Documentation » J2EE » JOnAS 4.8.6 » org.objectweb.jonas.discovery

Source Cross Reference Class Diagram Java Document (Java Doc)

org.objectweb.jonas.service .AbsServiceImpl

org.objectweb.jonas.discovery .DiscoveryServiceImpl

DiscoveryServiceImpl

public class DiscoveryServiceImpl extends AbsServiceImpl implements DiscoveryService,DiscoveryServiceImplMBean(Code)

author:
   Adriana Danes
author:
   The discovery service creates and starts at least a DiscoveryManager which is a MBean
author:
   that multicasts discovery information to all the servers who joined the
author:
   discovery multicast group.
author:

author:
   The discovery service may also create a Enroller and a DiscoveryClient, and in this case
author:
   the current server becomes a discovery server.
author:

author:
Discovery information contains information allowing to remotely manage a server in the group.
author:

author:
Discovery multicast group is a group of servers which can be managed remotely by a discovery server.
author:

author:
Discovery server is the server in the group who detains the discovery information concerning all the
author:
servers in the group.

Method Summary
protected void	doInit(Context ctx)
protected void	doStart()
protected void	doStop()
public DiscEvent	getDiscEvent(String serverName, String domainName, String[] connectorURLs, String state)
public String	getDiscoveryProtocolVersion()
public String	getDiscoveryTtl()
public Enroller	getEnroller()
public Boolean	getIsDiscoveryMaster()
public String	getMulticastAddress()
public String	getMulticastPort()
public void	startDiscoveryMaster() Management operation allowing to make the current server become a master if its not already.

Method Detail

doInit
protected void doInit(Context ctx) throws ServiceException(Code)
	Initialize the discovery service Parameters: ctx - context containing initialization parameters exception: discovery - service could not be correctly initialized

doStart
protected void doStart() throws ServiceException(Code)
	Start the discovery service throws: ServiceException - An error occured when starting the service

doStop
protected void doStop() throws ServiceException(Code)

getDiscEvent
public DiscEvent getDiscEvent(String serverName, String domainName, String[] connectorURLs, String state)(Code)
	Create a 'fake' DiscEvent object containing info to establish a JMX connection with a new server in the domain Parameters: serverName - the OBJECT_NAME of the server MBean corresponding to the server to connect Parameters: domainName - the JOnAS server's domain name Parameters: connectorURLs - the urls of the connector server of the server to connect Parameters: state - the state of the server (RUNNING in case the DiscEvent is used to add a server; could be STOPPINGif the DiscEvent is used to remove a server) a new DiscEvent object

getDiscoveryProtocolVersion
public String getDiscoveryProtocolVersion()(Code)
	the discovery protocol version number

getDiscoveryTtl
public String getDiscoveryTtl()(Code)

getEnroller
public Enroller getEnroller()(Code)
	Returns the enroller.

getIsDiscoveryMaster
public Boolean getIsDiscoveryMaster()(Code)
	true if the current server is a discovery server

getMulticastAddress
public String getMulticastAddress()(Code)
	the multicast group IP address used by the discovery service

getMulticastPort
public String getMulticastPort()(Code)
	the multicast group port number used by the discovery service

startDiscoveryMaster
public void startDiscoveryMaster() throws JMException(Code)
	Management operation allowing to make the current server become a master if its not already. throws: JMException - a JMX exception occured when trying to make current server a discovery master

Methods inherited from org.objectweb.jonas.service.AbsServiceImpl

abstract protected void doInit(Context ctx) throws ServiceException(Code)(Java Doc)
abstract protected void doStart() throws ServiceException(Code)(Java Doc)
abstract protected void doStop() throws ServiceException(Code)(Java Doc)
public String getDomainName()(Code)(Java Doc)
public String getJonasServerName()(Code)(Java Doc)
public String getName()(Code)(Java Doc)
public void init(Context ctx) throws ServiceException(Code)(Java Doc)
public boolean isStarted()(Code)(Java Doc)
public void setName(String name)(Code)(Java Doc)
public void start() throws ServiceException(Code)(Java Doc)
public void stop() throws ServiceException(Code)(Java Doc)

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