org.rhq.enterprise.communications.command.server.discovery
Class AutoDiscovery

java.lang.Object
  org.rhq.enterprise.communications.command.server.CommandMBean
      org.rhq.enterprise.communications.command.server.discovery.AutoDiscovery

All Implemented Interfaces:

EventListener, MBeanRegistration, NotificationListener, AutoDiscoveryMBean

public abstract class AutoDiscovery
extends CommandMBean
implements AutoDiscoveryMBean, NotificationListener

Provides a mechanism to integrate with JBoss/Remoting's Network Registry in order to detect new servers coming on and offline.

Author:

John Mazzitelli

Constructor Summary

AutoDiscovery()

Method Summary

abstract void	discoveredChangedDomain(org.jboss.remoting.network.NetworkNotification networkNotification) Processes a Network Registry notification that indicates the domain has changed.
abstract void	discoveredNewServers(org.jboss.remoting.network.NetworkNotification networkNotification) Processes a Network Registry notification that indicates new servers have come online.
abstract void	discoveredRemovedServers(org.jboss.remoting.network.NetworkNotification networkNotification) Processes a Network Registry notification that indicates servers have gone offline.
abstract void	discoveredUpdatedServers(org.jboss.remoting.network.NetworkNotification networkNotification) Processes a Network Registry notification that indicates servers have been updated.
String	getNetworkRegistryName() Returns the JMX ObjectName of the Network Registry that is used to perform auto-discovery.
ObjectName	getNetworkRegistryObjectName() Returns the Network Registry Name as an ObjectName.
void	handleNotification(Notification notification, Object handback) Receives notifications from the Network Registry indicating that servers are either coming on or offline.
void	setNetworkRegistryName(String name) Sets the name (in String form of a JMX ObjectName) of the Network Registry that is used to perform auto-discovery and begins listeningn to it.
void	stopService() Unregisters this object as a notification listener on the Network Registry.

Methods inherited from class org.rhq.enterprise.communications.command.server.CommandMBean

getLog, getMBeanServer, getObjectName, postDeregister, postRegister, preDeregister, preRegister, startService

Methods inherited from class java.lang.Object

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

Constructor Detail

AutoDiscovery

public AutoDiscovery()

Method Detail

getNetworkRegistryName

public String getNetworkRegistryName()

Description copied from interface: AutoDiscoveryMBean

Returns the JMX ObjectName of the Network Registry that is used to perform auto-discovery.

Specified by:

getNetworkRegistryName in interface AutoDiscoveryMBean

Returns:

name of Network Registry MBean

See Also:

AutoDiscoveryMBean.getNetworkRegistryName()

setNetworkRegistryName

public void setNetworkRegistryName(String name)

Description copied from interface: AutoDiscoveryMBean

Sets the name (in String form of a JMX ObjectName) of the Network Registry that is used to perform auto-discovery and begins listeningn to it. The caller must know what it is doing - this must be the name the Network Registry is registered as, otherwise, auto-discovery will fail.

Note that if this object is already listening to a Network Registry, it will be unregistered before setting the name.

Specified by:

setNetworkRegistryName in interface AutoDiscoveryMBean

Parameters:

name - name the registered name of the Network Registry MBean

See Also:

AutoDiscoveryMBean.setNetworkRegistryName(String)

getNetworkRegistryObjectName

public ObjectName getNetworkRegistryObjectName()

Returns the Network Registry Name as an ObjectName.

Returns:

the MBean name of the Network Registry

See Also:

AutoDiscoveryMBean.getNetworkRegistryName()

handleNotification

public void handleNotification(Notification notification,
                               Object handback)

Receives notifications from the Network Registry indicating that servers are either coming on or offline.

Specified by:

handleNotification in interface NotificationListener

See Also:

NotificationListener.handleNotification(javax.management.Notification, java.lang.Object)

stopService

public void stopService()

Unregisters this object as a notification listener on the Network Registry.

Overrides:

stopService in class CommandMBean

discoveredNewServers

public abstract void discoveredNewServers(org.jboss.remoting.network.NetworkNotification networkNotification)

Processes a Network Registry notification that indicates new servers have come online.

Parameters:

networkNotification - the notification that was received from the Network Registry

discoveredRemovedServers

public abstract void discoveredRemovedServers(org.jboss.remoting.network.NetworkNotification networkNotification)

Processes a Network Registry notification that indicates servers have gone offline.

Parameters:

networkNotification - the notification that was received from the Network Registry

discoveredUpdatedServers

public abstract void discoveredUpdatedServers(org.jboss.remoting.network.NetworkNotification networkNotification)

Processes a Network Registry notification that indicates servers have been updated.

Parameters:

networkNotification - the notification that was received from the Network Registry

discoveredChangedDomain

public abstract void discoveredChangedDomain(org.jboss.remoting.network.NetworkNotification networkNotification)

Processes a Network Registry notification that indicates the domain has changed.

Parameters:

networkNotification - the notification that was received from the Network Registry