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com.bea.wlcp.wlng.api.management
Class MBeanManager

java.lang.Object
com.bea.wlcp.wlng.api.management.MBeanManager

public class MBeanManager

extends Object

Proxy class for MBean registration.

This example shows how to register an MBean with the MBean manager:

mbean = new MyMBeanImpl(); MBeanManager.registerMBean(mbean, MyMBean.class.getName(), serviceContext.getName(), serviceContext.getName());

Note: The instanceName and the displayName in the example above are the same, but that doesn't have to be the case.

This example shows how to unregister an MBean from the MBean manager:

MBeanManager.unregisterMBean(MyMBean.class.getName(), serviceContext.getName());

Note: The service context is retrieved from the setServiceContext in the ServiceDeployable implementation class. When using AbstractManagedPlugin it is possible to retrieve the serviceContext through the protected variable svcCtx.

Constructor Summary

MBeanManager()
public constructor

Method Summary

static ObjectName	constructObjectName(String type) Constructs an objectName.
static ObjectName	constructObjectName(String type, String instanceName) Constructs an objectName.
static ObjectName	constructObjectName(String type, String instanceName, boolean isApp)
static ObjectName	constructObjectName(String type, String instanceName, HashMap properties) Construct an objectName.
static Object	executeMBeanOperation(String operationName, Object[] params, String[] signature, String type, String instanceName) Execute an MBean operation using the supplied parameters.
static Object	getMBeanAttribute(String attribute, String type, String displayName) Gets a specific attribute value from an MBean.
static MBeanServer	getMBeanServer() Returns the MBean server instance after lookup in the JNDI tree.
static HashMap	getObjectMap()
static void	registerMBean(Object mBeanImpl, ObjectName objectName) Registers an MBean, passing a null display name.
static void	registerMBean(Object mBeanImpl, ObjectName objectName, String displayName) Registers an MBean with the MBean server.
static void	registerMBean(Object mBeanImpl, String type, String displayName) Registers mbean with mbean server
static void	registerMBean(Object mBeanImpl, String type, String instanceName, String displayName)
static void	setMBeanAttribute(String attribute, Object value, String type, String displayName) Sets a specific attribute for the MBean.
static void	unregister(String type, String displayName) Unregisters the MBean from the MBeanServer.
static void	unregisterMBean(ObjectName objectName) Unregisters the MBean from the MBeanServer.
static void	unregisterMBean(String type, String instanceName) Unregisters the MBean from the MBeanServer

Methods inherited from class java.lang.Object

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

Constructor Detail

MBeanManager

public MBeanManager()

public constructor

Method Detail

constructObjectName

public static ObjectName constructObjectName(String type)
                                      throws MalformedObjectNameException

Constructs an objectName.

Parameters:

type -

Returns:

ObjectName

Throws:

MalformedObjectNameException

constructObjectName

public static ObjectName constructObjectName(String type,
                                             String instanceName)
                                      throws MalformedObjectNameException

Constructs an objectName.

Parameters:

type - The fully qualified name of the management bean (use class.getName where the class is your MBean class)

instanceName - The unique name of the management bean. I.e. if this is a plug-in that will ever be used on the same machine with multiple plug-ins this should be unique per plug-in instance. In the case of a plug-in or service you should use managedPlugin.getId().

Returns:

ObjectName in string format

Throws:

MalformedObjectNameException

constructObjectName

public static ObjectName constructObjectName(String type,
                                             String instanceName,
                                             boolean isApp)
                                      throws MalformedObjectNameException

Throws:

MalformedObjectNameException

constructObjectName

public static ObjectName constructObjectName(String type,
                                             String instanceName,
                                             HashMap properties)
                                      throws MalformedObjectNameException

Construct an objectName.

Parameters:

type - The fully qualified name of the management bean (use class.getName where the class is your MBean class)

instanceName - The unique name of the management bean. I.e. if this is a plug-in that will ever be used on the same machine with multiple plug-ins this should be unique per plug-in instance. In the case of a plug-in or service you should use managedPlugin.getId().

properties - HashMap that contains objectNamekey and value pairs ObjectNameConstants class has set of constants that can be used as keys.

Returns:

ObjectName in string format

Throws:

MalformedObjectNameException

executeMBeanOperation

public static Object executeMBeanOperation(String operationName,
                                           Object[] params,
                                           String[] signature,
                                           String type,
                                           String instanceName)
                                    throws InstanceNotFoundException,
                                           MBeanException,
                                           ReflectionException,
                                           MalformedObjectNameException

Execute an MBean operation using the supplied parameters.

Parameters:

operationName - The operation to execute

params - The operation input paramters

signature - The operation signature

type - MBean type

instanceName - MBean instance name (ServiceContext.getName())

Throws:

InstanceNotFoundException

MBeanException

ReflectionException

MalformedObjectNameException

getMBeanAttribute

public static Object getMBeanAttribute(String attribute,
                                       String type,
                                       String displayName)
                                throws ReflectionException,
                                       InstanceNotFoundException,
                                       MBeanException,
                                       AttributeNotFoundException,
                                       MalformedObjectNameException

Gets a specific attribute value from an MBean.

Parameters:

attribute - The attribute to retreive from the MBean

Returns:

The attribute value

Throws:

ReflectionException

InstanceNotFoundException

MBeanException

AttributeNotFoundException

MalformedObjectNameException

getMBeanServer

public static MBeanServer getMBeanServer()

Returns the MBean server instance after lookup in the JNDI tree.

Returns:

The MBean server instance

getObjectMap

public static HashMap getObjectMap()

registerMBean

public static void registerMBean(Object mBeanImpl,
                                 ObjectName objectName)
                          throws NotCompliantMBeanException,
                                 MBeanRegistrationException,
                                 InstanceAlreadyExistsException

Registers an MBean, passing a null display name.

Parameters:

mBeanImpl - Management bean object that should be registered

objectName - The objectName what will be used to register the the MBean with the MBean server

Throws:

NotCompliantMBeanException

MBeanRegistrationException

InstanceAlreadyExistsException

registerMBean

public static void registerMBean(Object mBeanImpl,
                                 ObjectName objectName,
                                 String displayName)
                          throws NotCompliantMBeanException,
                                 MBeanRegistrationException,
                                 InstanceAlreadyExistsException

Registers an MBean with the MBean server.

Parameters:

mBeanImpl - Management bean object that should be registered

objectName - The objectName that will be used to register the the MBean with the mbean server

displayName - The display name of the management bean that will be shown in the console

Throws:

NotCompliantMBeanException

MBeanRegistrationException

InstanceAlreadyExistsException

registerMBean

public static void registerMBean(Object mBeanImpl,
                                 String type,
                                 String displayName)
                          throws NotCompliantMBeanException,
                                 MalformedObjectNameException,
                                 MBeanRegistrationException,
                                 InstanceAlreadyExistsException

Registers mbean with mbean server

Parameters:

mBeanImpl - Management bean object that should be registered

type - The fully qualified name of the management bean (use class.getName where the class is your MBean class)

displayName - The displayed name of the management bean. If this is a plug-in that will ever be used on the same machine with multiple plug-ins this should be unique per plug-in instance. In the case of a plug-in or service it is recommended that you use managedPlugin.getId().

Throws:

NotCompliantMBeanException

MalformedObjectNameException

MBeanRegistrationException

InstanceAlreadyExistsException

registerMBean

public static void registerMBean(Object mBeanImpl,
                                 String type,
                                 String instanceName,
                                 String displayName)
                          throws NotCompliantMBeanException,
                                 MalformedObjectNameException,
                                 MBeanRegistrationException,
                                 InstanceAlreadyExistsException

Parameters:

mBeanImpl - Management bean object that should be registered

type - The fully qualified name of the management bean (use class.getName where class is your mbean class)

instanceName - The unique name of the management bean. I.e. if this is a plug-in that will ever be used on the same machine with multiple plug-ins this should be unique per plug-in instance. In the case of a plug-in or service it is recommended that you use managedPlugin.getId().

displayName - The display name of the management bean that will be shown in the console. Should be a unique value per plug-in instance. managedPlugin.getId() is recommended here as well.

Throws:

NotCompliantMBeanException

MalformedObjectNameException

MBeanRegistrationException

InstanceAlreadyExistsException

setMBeanAttribute

public static void setMBeanAttribute(String attribute,
                                     Object value,
                                     String type,
                                     String displayName)
                              throws ReflectionException,
                                     InstanceNotFoundException,
                                     MBeanException,
                                     AttributeNotFoundException,
                                     MalformedObjectNameException,
                                     InvalidAttributeValueException,
                                     NamingException

Sets a specific attribute for the MBean.

Parameters:

attribute - The attribute name to set

value - The value to set

Throws:

ReflectionException

InstanceNotFoundException

MBeanException

AttributeNotFoundException

MalformedObjectNameException

InvalidAttributeValueException

NamingException

unregister

public static void unregister(String type,
                              String displayName)
                       throws MalformedObjectNameException,
                              MBeanRegistrationException,
                              InstanceNotFoundException

Unregisters the MBean from the MBeanServer.

Throws:

MalformedObjectNameException

MBeanRegistrationException

InstanceNotFoundException

unregisterMBean

public static void unregisterMBean(ObjectName objectName)
                            throws MBeanRegistrationException,
                                   InstanceNotFoundException

Unregisters the MBean from the MBeanServer.

Parameters:

objectName - The objectName that was used to register the the MBean with the MBean server

Throws:

MBeanRegistrationException

InstanceNotFoundException

unregisterMBean

public static void unregisterMBean(String type,
                                   String instanceName)
                            throws MalformedObjectNameException,
                                   MBeanRegistrationException,
                                   InstanceNotFoundException

Unregisters the MBean from the MBeanServer

Parameters:

type - The fully qualified name of the management bean (use class.getName where the class is your MBean class)

instanceName - The unique name of the management bean. I.e. if this is a plug-in that will ever be used on the same machine with multiple plug-ins this should be unique per plug-in instance. In the case of a plug-in or service you should use serviceContext.getName().

Throws:

MBeanRegistrationException

InstanceNotFoundException

MalformedObjectNameException

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