org.savarese.unicorn.ui
Class MBeanPanelModel

java.lang.Object
  org.savarese.unicorn.ui.AbstractObjectPanelModel<javax.management.ObjectName>
      org.savarese.unicorn.ui.MBeanPanelModel

All Implemented Interfaces:

ObjectPanelModel<javax.management.ObjectName>

public class MBeanPanelModel
extends AbstractObjectPanelModel<javax.management.ObjectName>

An ObjectPanelModel implementation for JMX MBeans.

Field Summary

Fields inherited from class org.savarese.unicorn.ui.AbstractObjectPanelModel

_listeners_, _object_

Constructor Summary

MBeanPanelModel(javax.management.ObjectName mbean, javax.management.MBeanServerConnection conn)
Instantiates an MBeanPanelModel that wraps the provided MBean, accessed via the provided MBeanServerConnection.

Method Summary

java.lang.Object	getAttribute(java.lang.String attribute) Retrieves a named attribute from the adapted object.
javax.management.MBeanInfo	getObjectInfo() Returns a description of the object.
java.lang.Object	invoke(java.lang.String operation, java.lang.Object[] params, java.lang.Class[] types, java.lang.String[] signature) Invokes an operation of the adapted object and returns its result, if any.
boolean	isValid() Determines if the model is in a valid state.
void	setAttribute(java.lang.String attribute, java.lang.Object value) Sets the value of a named attribute of the adapted object.
void	setConnection(javax.management.MBeanServerConnection conn) Sets the MBeanServerConnection via which the MBean can be accessed.
void	setObject(javax.management.ObjectName mbean) Sets the object to be adapted to the interface.

Methods inherited from class org.savarese.unicorn.ui.AbstractObjectPanelModel

_notifyListeners_, addObjectPanelModelListener, getObject, getObjectName, removeObjectPanelModelListener

Methods inherited from class java.lang.Object

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

Constructor Detail

MBeanPanelModel

public MBeanPanelModel(javax.management.ObjectName mbean,
                       javax.management.MBeanServerConnection conn)

Instantiates an MBeanPanelModel that wraps the provided MBean, accessed via the provided MBeanServerConnection.

Parameters:

mbean - The ObjectName of the MBean to wrap.

conn - The MBeanServerConnection via which the MBean can be accessed.

Method Detail

setAttribute

public void setAttribute(java.lang.String attribute,
                         java.lang.Object value)
                  throws javax.management.JMException,
                         java.io.IOException

Description copied from interface: ObjectPanelModel

Sets the value of a named attribute of the adapted object.

Parameters:

attribute - The name of the attribute to set.

value - The new value of the attribute.

Throws:

javax.management.AttributeNotFoundException - If the attribute does not exist.

javax.management.JMException

java.io.IOException

getAttribute

public java.lang.Object getAttribute(java.lang.String attribute)
                              throws javax.management.JMException,
                                     java.io.IOException

Description copied from interface: ObjectPanelModel

Retrieves a named attribute from the adapted object.

Parameters:

attribute - The name of the attribute to retrieve.

Returns:

The attribute corresponding to the provided name.

Throws:

javax.management.AttributeNotFoundException - If the attribute does not exist.

javax.management.JMException

java.io.IOException

setConnection

public void setConnection(javax.management.MBeanServerConnection conn)

Sets the MBeanServerConnection via which the MBean can be accessed.

setObject

public void setObject(javax.management.ObjectName mbean)

Description copied from interface: ObjectPanelModel

Sets the object to be adapted to the interface.

Specified by:

setObject in interface ObjectPanelModel<javax.management.ObjectName>

Overrides:

setObject in class AbstractObjectPanelModel<javax.management.ObjectName>

Parameters:

mbean - The object to be adapted.

invoke

public java.lang.Object invoke(java.lang.String operation,
                               java.lang.Object[] params,
                               java.lang.Class[] types,
                               java.lang.String[] signature)
                        throws javax.management.JMException,
                               java.io.IOException

Description copied from interface: ObjectPanelModel

Invokes an operation of the adapted object and returns its result, if any.

Parameters:

operation - The name of the operation to invoke.

params - An array of parameters for the operation.

types - An array containing the types of the operation parameters.

signature - A string representation of the types (i.e., the fully qualified class names) of the operation parameters.

Returns:

The result of the operation, if any.

Throws:

javax.management.JMException

java.io.IOException

getObjectInfo

public javax.management.MBeanInfo getObjectInfo()

Description copied from interface: ObjectPanelModel

Returns a description of the object.

Returns:

The a description of the object.

isValid

public boolean isValid()

Description copied from interface: ObjectPanelModel

Determines if the model is in a valid state. A model may be rendered invalid if it has no object, if an exception is occurs during a remote invocation operation, or any number of reasons specific to the model implementation.

Specified by:

isValid in interface ObjectPanelModel<javax.management.ObjectName>

Overrides:

isValid in class AbstractObjectPanelModel<javax.management.ObjectName>

Returns:

True if the model is in a valid state, false if not.