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SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
This is the interface for MBean manipulation on the agent side. It contains the methods necessary for the creation, registration, and deletion of MBeans as well as the access methods for registered MBeans. This is the core component of the JMX infrastructure.
Every MBean which is added to the MBean server becomes manageable: its attributes and operations become remotely accessible through the connectors/adaptors connected to that MBean server. A Java object cannot be registered in the MBean server unless it is a JMX compliant MBean.
When an MBean is registered or unregistered in the MBean server an
MBeanServerNotification
Notification is emitted. To register an object as listener to
MBeanServerNotifications
you should call the MBean server method addNotificationListener with
ObjectName
the ObjectName of the MBeanServerDelegate. This ObjectName
is:
JMImplementation:type=MBeanServerDelegate
.
Method Summary | |
void |
addNotificationListener(ObjectName name,
NotificationListener listener,
NotificationFilter filter,
java.lang.Object handback)
Enables to add a listener to a registered MBean. |
void |
addNotificationListener(ObjectName name,
ObjectName listener,
NotificationFilter filter,
java.lang.Object handback)
Enables to add a listener to a registered MBean. |
ObjectInstance |
createMBean(java.lang.String className,
ObjectName name)
Instantiates and registers an MBean in the MBean server. |
ObjectInstance |
createMBean(java.lang.String className,
ObjectName name,
java.lang.Object[] params,
java.lang.String[] signature)
Instantiates and registers an MBean in the MBean server. |
ObjectInstance |
createMBean(java.lang.String className,
ObjectName name,
ObjectName loaderName)
Instantiates and registers an MBean in the MBean server. |
ObjectInstance |
createMBean(java.lang.String className,
ObjectName name,
ObjectName loaderName,
java.lang.Object[] params,
java.lang.String[] signature)
Instantiates and registers an MBean in the MBean server. |
java.io.ObjectInputStream |
deserialize(ObjectName name,
byte[] data)
De-serializes a byte array in the context of the class loader of an MBean. |
java.io.ObjectInputStream |
deserialize(java.lang.String className,
byte[] data)
De-serializes a byte array in the context of a given MBean class loader. |
java.io.ObjectInputStream |
deserialize(java.lang.String className,
ObjectName loaderName,
byte[] data)
De-serializes a byte array in the context of a given MBean class loader. |
java.lang.Object |
getAttribute(ObjectName name,
java.lang.String attribute)
Gets the value of a specific attribute of a named MBean. |
AttributeList |
getAttributes(ObjectName name,
java.lang.String[] attributes)
Enables the values of several attributes of a named MBean. |
java.lang.String |
getDefaultDomain()
Returns the default domain used for naming the MBean. |
java.lang.Integer |
getMBeanCount()
Returns the number of MBeans registered in the MBean server. |
MBeanInfo |
getMBeanInfo(ObjectName name)
This method discovers the attributes and operations that an MBean exposes for management. |
ObjectInstance |
getObjectInstance(ObjectName name)
Gets the ObjectInstance for a given MBean registered with
the MBean server. |
java.lang.Object |
instantiate(java.lang.String className)
Instantiates an object using the list of all class loaders registered in the MBean server (Default Loader Repository). |
java.lang.Object |
instantiate(java.lang.String className,
java.lang.Object[] params,
java.lang.String[] signature)
Instantiates an object using the list of all class loaders registered in the MBean server (Default Loader Repository). |
java.lang.Object |
instantiate(java.lang.String className,
ObjectName loaderName)
Instantiates an object using the class Loader specified by its
ObjectName . |
java.lang.Object |
instantiate(java.lang.String className,
ObjectName loaderName,
java.lang.Object[] params,
java.lang.String[] signature)
Instantiates an object. |
java.lang.Object |
invoke(ObjectName name,
java.lang.String operationName,
java.lang.Object[] params,
java.lang.String[] signature)
Invokes an operation on an MBean. |
boolean |
isInstanceOf(ObjectName name,
java.lang.String className)
Returns true if the MBean specified is an instance of the specified class, false otherwise. |
boolean |
isRegistered(ObjectName name)
Checks whether an MBean, identified by its object name, is already registered with the MBean server. |
java.util.Set |
queryMBeans(ObjectName name,
QueryExp query)
Gets MBeans controlled by the MBean server. |
java.util.Set |
queryNames(ObjectName name,
QueryExp query)
Gets the names of MBeans controlled by the MBean server. |
ObjectInstance |
registerMBean(java.lang.Object object,
ObjectName name)
Registers a pre-existing object as an MBean with the MBean server. |
void |
removeNotificationListener(ObjectName name,
NotificationListener listener)
Enables to remove a listener from a registered MBean. |
void |
removeNotificationListener(ObjectName name,
ObjectName listener)
Enables to remove a listener from a registered MBean. |
void |
setAttribute(ObjectName name,
Attribute attribute)
Sets the value of a specific attribute of a named MBean. |
AttributeList |
setAttributes(ObjectName name,
AttributeList attributes)
Sets the values of several attributes of a named MBean. |
void |
unregisterMBean(ObjectName name)
De-registers an MBean from the MBean server. |
Method Detail |
public void addNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, java.lang.Object handback) throws InstanceNotFoundException
name
- The name of the MBean on which the listener should be added.listener
- The listener object which will handle the notifications
emitted
by the registered MBean.filter
- The filter object. If filter is null, no filtering will be
performed
before handling notifications.handback
- The context to be sent to the listener when a notification
is emitted.public void addNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter, java.lang.Object handback) throws InstanceNotFoundException
name
- The name of the MBean on which the listener should be added.listener
- The object name of the listener which will handle the
notifications emitted
by the registered MBean.filter
- The filter object. If filter is null, no filtering will be
performed
before handling notifications.handback
- The context to be sent to the listener when a notification
is emitted.public void removeNotificationListener(ObjectName name, NotificationListener listener) throws InstanceNotFoundException, ListenerNotFoundException
name
- The name of the MBean on which the listener should be removed.listener
- The listener object which will handle the notifications
emitted by the registered MBean.
This method will remove all the information related to this listener.public void removeNotificationListener(ObjectName name, ObjectName listener) throws InstanceNotFoundException, ListenerNotFoundException
name
- The name of the MBean on which the listener should be removed.listener
- The object name of the listener which will handle the
notifications emitted by the registered MBean.
This method will remove all the information related to this listener.public ObjectInstance createMBean(java.lang.String className, ObjectName name) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException
className
- The class name of the MBean to be instantiated.name
- The object name of the MBean. May be null.ObjectInstance
, containing the
ObjectName
and the Java class name of the newly
instantiated MBean.java.lang.ClassNotFoundException
or
a java.lang.Exception
that occurred
when trying to invoke the MBean's constructor.preRegister
(MBeanRegistration
interface) method of the MBean
has thrown an exception. The MBean will not be registered.java.lang.IllegalArgumentException
:
The className passed in parameter is null, the ObjectName
passed in parameter contains a pattern or no ObjectName
is
specified for the MBean.public ObjectInstance createMBean(java.lang.String className, ObjectName name, ObjectName loaderName) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, InstanceNotFoundException
ObjectInstance
object representing the
newly created MBean.className
- The class name of the MBean to be instantiated.name
- The object name of the MBean. May be null.loaderName
- The object name of the class loader to be used.ObjectInstance
, containing the
ObjectName
and the Java class name of the newly
instantiated MBean.java.lang.ClassNotFoundException
or a java.lang.Exception
that occurred when trying to invoke the MBean's constructor.preRegister
(MBeanRegistration
interface) method of the MBean
has thrown an exception. The MBean will not be registered.java.lang.IllegalArgumentException
:
The className passed in parameter is null, the
ObjectName
passed in parameter
contains a pattern or no ObjectName
is specified for the MBean.public ObjectInstance createMBean(java.lang.String className, ObjectName name, java.lang.Object[] params, java.lang.String[] signature) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException
className
- The class name of the MBean to be instantiated.name
- The object name of the MBean. May be null.params
- An array containing the parameters of the constructor to be
invoked.signature
- An array containing the signature of the constructor
to be invoked.ObjectInstance
, containing the
ObjectName
and the Java class
name of the newly instantiated MBean.java.lang.ClassNotFoundException
or a
java.lang.Exception
that occurred when trying to invoke the MBean's constructor.preRegister
(MBeanRegistration
interface) method of the MBean has
thrown an exception. The MBean will not
be registered.java.lang.IllegalArgumentException
:
The className passed in parameter is
null, the ObjectName
passed in parameter
contains a pattern or no
ObjectName
is
specified for the MBean.public ObjectInstance createMBean(java.lang.String className, ObjectName name, ObjectName loaderName, java.lang.Object[] params, java.lang.String[] signature) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, InstanceNotFoundException
ObjectInstance
object representing the newly created MBean.className
- The class name of the MBean to be instantiated.name
- The object name of the MBean. May be null.params
- An array containing the parameters of the constructor to be
invoked.signature
- An array containing the signature of the constructor to
be invoked.loaderName
- The object name of the class loader to be used.ObjectInstance
, containing the
ObjectName
and the Java class
name of the newly instantiated MBean.java.lang.ClassNotFoundException
or a
java.lang.Exception
that occurred when trying to invoke the MBean's constructor.preRegister
(MBeanRegistration
interface) method of the MBean
has thrown an exception. The MBean will not be registered.java.lang.IllegalArgumentException
:
The className passed in parameter is null, the ObjectName
passed in parameter contains a pattern or no ObjectName
is specified for the MBean.public ObjectInstance registerMBean(java.lang.Object object, ObjectName name) throws InstanceAlreadyExistsException, MBeanRegistrationException, NotCompliantMBeanException
object
- The MBean to be registered as an MBean.name
- The object name of the MBean. May be null.public void unregisterMBean(ObjectName name) throws InstanceNotFoundException, MBeanRegistrationException
name
- The object name of the MBean to be de-registered.MBeanRegistration
interface) method of the MBean has
thrown an exception.java.lang.IllegalArgumentException
:
The object name in parameter is null
or the MBean you are when trying to
de-register is the MBeanServerDelegate
MBean.public boolean isRegistered(ObjectName name)
name
- The object name of the MBean to be checked.java.lang.IllegalArgumentException
:
The object name in parameter is null.public boolean isInstanceOf(ObjectName name, java.lang.String className) throws InstanceNotFoundException
name
- The ObjectName
of the MBean.className
- The name of the class.public java.io.ObjectInputStream deserialize(ObjectName name, byte[] data) throws InstanceNotFoundException, OperationsException
name
- The name of the MBean whose class loader should be used for
the de-serialization.data
- The byte array to be de-sererialized.public java.io.ObjectInputStream deserialize(java.lang.String className, byte[] data) throws OperationsException, ReflectionException
name
- The name of the class whose class loader should be used for the
de-serialization.data
- The byte array to be de-sererialized.public java.io.ObjectInputStream deserialize(java.lang.String className, ObjectName loaderName, byte[] data) throws InstanceNotFoundException, OperationsException, ReflectionException
name
- The name of the class whose class loader should be used for the
de-serialization.data
- The byte array to be de-sererialized.loaderName
- The name of the class loader to be used for loading the
specified class. If null, the MBean Server's class loader
will be used.public java.lang.Object getAttribute(ObjectName name, java.lang.String attribute) throws MBeanException, AttributeNotFoundException, InstanceNotFoundException, ReflectionException
name
- The object name of the MBean from which the attribute is to be
retrieved.attribute
- A String specifying the name of the attribute to be
retrieved.java.lang.Exception
thrown
when trying to invoke the getAttribute method of a Dynamic MBean.java.lang.IllegalArgumentException
:
The object name in parameter is null or the attribute in parameter is null.public AttributeList getAttributes(ObjectName name, java.lang.String[] attributes) throws InstanceNotFoundException, ReflectionException
name
- The object name of the MBean from which the attributes are
retrieved.attributes
- A list of the attributes to be retrieved.java.lang.IllegalArgumentException
:
The object name in parameter is null or
attributes in parameter is null.public java.lang.String getDefaultDomain()
public java.lang.Integer getMBeanCount()
public MBeanInfo getMBeanInfo(ObjectName name) throws InstanceNotFoundException, IntrospectionException, ReflectionException
name
- The name of the MBean to analyzeMBeanInfo
allowing the retrieval of
all attributes and operations of this MBean.public ObjectInstance getObjectInstance(ObjectName name) throws InstanceNotFoundException
ObjectInstance
for a given MBean registered with
the MBean server.name
- The object name of the MBean.ObjectInstance
associated to the MBean specified
by name.public java.lang.Object instantiate(java.lang.String className) throws ReflectionException, MBeanException
classname
- The class name of the object to be instantiated.
java.lang.ClassNotFoundException
or the java.lang.Exception
that occurred when trying to invoke the
object's constructor.
java.lang.IllegalArgumentException
.
The className passed in parameter is null.public java.lang.Object instantiate(java.lang.String className, java.lang.Object[] params, java.lang.String[] signature) throws ReflectionException, MBeanException
className
- The class name of the object to be instantiated.params
- An array containing the parameters of the constructor to be
invoked.signature
- An array containing the signature of the constructor to be
invoked.java.lang.ClassNotFoundException
or the
java.lang.Exception
that occurred when trying to invoke
the object's constructor.java.lang.IllegalArgumentException
: The className
passed in parameter is null.public java.lang.Object instantiate(java.lang.String className, ObjectName loaderName) throws ReflectionException, MBeanException, InstanceNotFoundException
ObjectName
.
If the loader name is null, the ClassLoader that loaded the MBean Server
will be used. The object's class should have a public constructor. It
returns a reference to the newly created object. The newly created object
is not registered in the MBean server.className
- The class name of the MBean to be instantiated.loaderName
- The object name of the class loader to be usedjava.lang.ClassNotFoundException
or the
java.lang.Exception
that occurred when trying to invoke
the object's constructor.java.lang.IllegalArgumentException
: The className
passed in parameter is null.public java.lang.Object instantiate(java.lang.String className, ObjectName loaderName, java.lang.Object[] params, java.lang.String[] signature) throws ReflectionException, MBeanException, InstanceNotFoundException
className
- The class name of the object to be instantiated.params
- An array containing the parameters of the constructor to be
invoked.signature
- An array containing the signature of the constructor to
be invoked.loaderName
- The object name of the class loader to be usedjava.lang.ClassNotFoundException
or the
java.lang.Exception
that occurred when trying to invoke
the object's constructor.java.lang.IllegalArgumentException
: The className
passed in parameter is null.public java.lang.Object invoke(ObjectName name, java.lang.String operationName, java.lang.Object[] params, java.lang.String[] signature) throws InstanceNotFoundException, MBeanException, ReflectionException
name
- The object name of the MBean on which the method is to be
invoked.operationName
- The name of the operation to be invoked.params
- An array containing the parameters to be set when the
operation is invoked.signature
- An array containing the signature of the operation.
The class objects will be loaded using the same class loader as the one
used for loading
the MBean on which the operation was invoked.java.lang.Exception
thrown while trying to invoke the method.public java.util.Set queryMBeans(ObjectName name, QueryExp query)
ObjectName
and/or a Query expression, a
specific MBean. When the object name is null or no domain and key
properties are specified, all objects are to be selected (and filtered if
a query is specified). It returns the set of ObjectInstance
objects (containing the ObjectName
and the Java Class name)
for the selected MBeans.name
- The object name pattern identifying the MBeans to be retrieved.
If null or no domain and key properties are specified, all the MBeans
registered will be retrieved.query
- The query expression to be applied for selecting MBeans. If
null no query expression will be applied for selecting MBeans.ObjectInstance
objects for the
selected MBeans. If no MBean satisfies the query an empty list is returned.public java.util.Set queryNames(ObjectName name, QueryExp query)
ObjectName
and/or a Query expression, a specific MBean name
(equivalent to testing whether an MBean is registered). When the object
name is null or no domain and key properties are specified, all objects
are selected (and filtered if a query is specified). It returns the set of
ObjectNames
for the MBeans selected.name
- The object name pattern identifying the MBeans to be retrieved.
If null or no domain and key properties are specified, all the MBeans
registered will be retrieved.query
- The query expression to be applied for selecting MBeans.
If null no query expression will be applied for selecting MBeans.public void setAttribute(ObjectName name, Attribute attribute) throws InstanceNotFoundException, AttributeNotFoundException, InvalidAttributeValueException, MBeanException, ReflectionException
name
- The name of the MBean within which the attribute is to be set.attribute
- The identification of the attribute to be set
and the value it is to be set to.java.lang.Exception
thrown when trying to invoke the setAttribute
method of a Dynamic MBean.java.lang.IllegalArgumentException
:
The object name in parameter is null or the attribute in parameter is null.public AttributeList setAttributes(ObjectName name, AttributeList attributes) throws InstanceNotFoundException, ReflectionException
name
- The object name of the MBean within which the attributes are
to be set.attributes
- A list of attributes: The identification of the
attributes to be set
and the values they are to be set to.java.lang.IllegalArgumentException
:
The object name in parameter is null or attributes in parameter is null.
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SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |