org.ow2.jonas.lib.management.domain.proxy
Class JMXProxy

java.lang.Object
  org.ow2.jonas.lib.management.domain.proxy.JMXProxy

Direct Known Subclasses:

ClusterDaemonProxy, ServerProxy

public class JMXProxy
extends Object

Abstract class acting as a JMXConnector client. It is implemented by ServerProxy or ClusterDaemonProxy.

Author:

durieuxp, S. Ali Tokmen

Field Summary

protected static org.objectweb.util.monolog.api.Logger

logger logger for traces.

Constructor Summary

JMXProxy(DomainMonitor dm, String name, Collection urls)
Constructor.

Method Summary

protected boolean	checkConnection() Check the established connection to the remote server, or try to establish a connection if the connection object is null.
boolean	connect(Collection urls) Try to connect this Proxy to its Server.
void	disconnect() Disconnect the proxy.
Object	getAttribute(ObjectName on, String attribute) Get an MBean Attribute on the remote server.
AttributeList	getAttributes(ObjectName on, String[] attributes) Get a group of MBean Attributes on the remote server.
MBeanServerConnection	getConnection()
String	getConnectionUrl()
DomainMonitor	getDm()
String	getDomain()
J2EEServerState	getJ2EEServerState() Only used by ServerProxy.
String	getName()
String	getObjectName() Return this MBean's name.
String	getState() MBean method returning the state.
ArrayList	getUrls()
boolean	isRegistered(ObjectName on) Check if an ObjectName is registered on the remote server.
Set	queryNames(ObjectName on)
void	setAttribute(ObjectName on, String attribute, Object value) Set an MBean Attribute on the remote server.
void	setConnection(MBeanServerConnection connection) Set connection to the managed server's MBeanServer.
void	setObjectName(String on) Set its OBJECT_NAME and register the MBean.
protected void	setState(J2EEServerState state) Change state.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static org.objectweb.util.monolog.api.Logger logger

logger for traces.

Constructor Detail

JMXProxy

public JMXProxy(DomainMonitor dm,
                String name,
                Collection urls)

Constructor.

Parameters:

name - the proxy name

urls - the urls that can be used to establish connection

dm - reference to the domain monitor

Method Detail

getState

public String getState()

MBean method returning the state.

Returns:

the state value

getJ2EEServerState

public J2EEServerState getJ2EEServerState()

Only used by ServerProxy.

Returns:

state

setState

protected void setState(J2EEServerState state)

Change state.

Parameters:

state - new state

disconnect

public void disconnect()

Disconnect the proxy.

connect

public boolean connect(Collection urls)

Try to connect this Proxy to its Server.

Parameters:

urls - the urls that can be used to establish connection

Returns:

True if connected

checkConnection

protected boolean checkConnection()

Check the established connection to the remote server, or try to establish a connection if the connection object is null.

Returns:

true if connection is ok. false otherwise.

getName

public String getName()

Returns:

The name of the remote object

getObjectName

public String getObjectName()

Return this MBean's name.

Returns:

The name of the MBean (see OBJECT_NAME in the JSR77)

setObjectName

public void setObjectName(String on)

Set its OBJECT_NAME and register the MBean.

Parameters:

on - OBJECT_NAME

getConnection

public MBeanServerConnection getConnection()

Returns:

the connection to the remote MBean server

getDomain

public String getDomain()

Returns:

the current domain name

getConnectionUrl

public String getConnectionUrl()

Returns:

the URL of the current connection

getUrls

public ArrayList getUrls()

Returns:

the urls that can be used for connection

setConnection

public void setConnection(MBeanServerConnection connection)

Set connection to the managed server's MBeanServer. Currently this method is called only in the case of a master server which creates its own ServerProxy.

Parameters:

connection - connection to the managed MBeanServer.

getDm

public DomainMonitor getDm()

Returns:

reference of DomainMonitor

isRegistered

public boolean isRegistered(ObjectName on)

Check if an ObjectName is registered on the remote server.

Parameters:

on - the ObjectName to be checked

Returns:

true if registered

getAttribute

public Object getAttribute(ObjectName on,
                           String attribute)

Get an MBean Attribute on the remote server.

Parameters:

on - the MBean's ObjectName

attribute - the attribute name

Returns:

the attribute value

setAttribute

public void setAttribute(ObjectName on,
                         String attribute,
                         Object value)

Set an MBean Attribute on the remote server.

Parameters:

on - the MBean's ObjectName

attribute - the attribute name

getAttributes

public AttributeList getAttributes(ObjectName on,
                                   String[] attributes)

Get a group of MBean Attributes on the remote server.

Parameters:

on - the MBean's ObjectName

attributes - the attributes names

Returns:

a list of Attribute objects containing for each attribute its name and value

queryNames

public Set queryNames(ObjectName on)

Parameters:

on - the MBean's ObjectName

Returns:

A set containing the ObjectNames for the MBeans selected.