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package javax.management.j2ee;
import java.util.Set;
import javax.management.ObjectName;
import javax.management.QueryExp;
import javax.management.AttributeList;
import javax.management.Attribute;
import javax.management.MBeanInfo;
import javax.management.InstanceNotFoundException;
import javax.management.MBeanException;
import javax.management.AttributeNotFoundException;
import javax.management.ReflectionException;
import javax.management.InvalidAttributeValueException;
import javax.management.IntrospectionException;
import java.rmi.RemoteException;
/**
* The Management interface provides the APIs to navigate and manipulate
* managed objects. The J2EE Management EJB component (MEJB) must implement
* this as its remote interface.
*
* @author Hans Hrasna
*/
public interface Management extends javax.ejb.EJBObject {
/**
* Gets the names of managed objects controlled by the MEJB. This method
* enables any of the following to be obtained: The names of all managed objects,
* the names of a set of managed objects specified by pattern matching on the
* ObjectName, a specific managed object name (equivalent to
* testing whether a managed object is registered). When the object name is
* null or no domain and key properties are specified, all objects are selected.
* It returns the set of J2EEObjectNames for the managed objects selected.
*
* @param name The object name pattern identifying the managed objects to be retrieved. If
* null or no domain and key properties are specified, all the managed objects registered will be retrieved.
*
* @return A set containing the ObjectNames for the managed objects selected.
* If no managed object satisfies the query, an empty set is returned.
*
* @exception RemoteException A communication exception occurred during the execution of a remote method call
*/
Set queryNames(ObjectName name, QueryExp query) throws RemoteException;
/**
* Checks whether a managed object, identified by its object name, is already registered
* with the MEJB.
*
* @param name The object name of the managed object to be checked.
*
* @return True if the managed object is already registered in the MEJB, false otherwise.
*
* @exception RemoteException A communication exception occurred during the execution of a remote method call
*/
boolean isRegistered(ObjectName name) throws RemoteException;
/**
* Returns the number of managed objects registered in the MEJB.
*
* @exception RemoteException A communication exception occurred during the execution of a remote method call
*/
Integer getMBeanCount() throws RemoteException;
/**
* This method discovers the attributes and operations that a managed object exposes
* for management.
*
* @param name The name of the managed object to analyze
*
* @return An instance of MBeanInfo allowing the retrieval of all attributes and operations
* of this managed object.
*
* @exception IntrospectionException An exception occurs during introspection.
* @exception InstanceNotFoundException The managed object specified is not found.
* @exception ReflectionException An exception occurred when trying to perform reflection on a managed object
* @exception RemoteException A communication exception occurred during the execution of a remote method call
*/
MBeanInfo getMBeanInfo(ObjectName name) throws IntrospectionException, InstanceNotFoundException, ReflectionException, RemoteException;
/**
* Gets the value of a specific attribute of a named managed object. The managed object
* is identified by its object name.
*
* @param name The object name of the managed object from which the attribute is to be retrieved.
* @param attribute A String specifying the name of the attribute to be
* retrieved.
*
* @return The value of the retrieved attribute.
*
* @exception AttributeNotFoundException The attribute specified is not accessible in the managed object.
* @exception MBeanException Wraps an exception thrown by the managed object's getter.
* @exception InstanceNotFoundException The managed object specified is not registered in the MEJB.
* @exception ReflectionException An exception occurred when trying to invoke the getAttribute method of a Dynamic MBean
* @exception RemoteException A communication exception occurred during the execution of a remote method call
*/
Object getAttribute(ObjectName name, String attribute) throws MBeanException, AttributeNotFoundException, InstanceNotFoundException, ReflectionException, RemoteException;
/**
* Enables the values of several attributes of a named managed object. The managed object
* is identified by its object name.
*
* @param name The object name of the managed object from which the attributes are
* retrieved.
* @param attributes A list of the attributes to be retrieved.
*
* @return The list of the retrieved attributes.
*
* @exception InstanceNotFoundException The managed object specified is not registered in the MEJB.
* @exception ReflectionException An exception occurred when trying to invoke the getAttributes method of a Dynamic MBean.
* @exception RemoteException A communication exception occurred during the execution of a remote method call
*/
AttributeList getAttributes(ObjectName name, String[] attributes) throws InstanceNotFoundException, ReflectionException, RemoteException;
/**
* Sets the value of a specific attribute of a named managed object. The managed object
* is identified by its object name.
*
* @param name The name of the managed object within which the attribute is to be set.
* @param attribute The identification of the attribute to be set and the value it is to be set to.
*
* @exception InstanceNotFoundException The managed object specified is not registered in the MEJB.
* @exception AttributeNotFoundException The attribute specified is not accessible in the managed object.
* @exception InvalidAttributeValueException The value specified for the attribute is not valid.
* @exception MBeanException Wraps an exception thrown by the managed object's setter.
* @exception ReflectionException An exception occurred when trying to invoke the setAttribute method of a Dynamic MBean.
* @exception RemoteException A communication exception occurred during the execution of a remote method call
*/
void setAttribute(ObjectName name, Attribute attribute) throws InstanceNotFoundException, AttributeNotFoundException, InvalidAttributeValueException, MBeanException, ReflectionException, RemoteException;
/**
* Sets the values of several attributes of a named managed object. The managed object is
* identified by its object name.
*
* @param name The object name of the managed object within which the attributes are to
* be set.
* @param attributes A list of attributes: The identification of the
* attributes to be set and the values they are to be set to.
*
* @return The list of attributes that were set, with their new values.
*
* @exception InstanceNotFoundException The managed object specified is not registered in the MEJB.
* @exception ReflectionException An exception occurred when trying to invoke the setAttributes method of a Dynamic MBean.
* @exception RemoteException A communication exception occurred during the execution of a remote method call
*
*/
AttributeList setAttributes(ObjectName name, AttributeList attributes) throws InstanceNotFoundException, ReflectionException, RemoteException;
/**
* Invokes an operation on a managed object.
*
* @param name The object name of the managed object on which the method is to be invoked.
* @param operationName The name of the operation to be invoked.
* @param params An array containing the parameters to be set when the operation is
* invoked
* @param 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 managed object on which the operation was invoked.
*
* @return The object returned by the operation, which represents the result of invoking the operation on the
* managed object specified.
*
* @exception InstanceNotFoundException The managed object specified is not registered in the MEJB.
* @exception MBeanException Wraps an exception thrown by the managed object's invoked method.
* @exception ReflectionException Wraps a java.lang.Exception thrown while trying to invoke the method.
* @exception RemoteException A communication exception occurred during the execution of a remote method call
*/
Object invoke(ObjectName name, String operationName, Object[] params, String[] signature) throws InstanceNotFoundException, MBeanException, ReflectionException, RemoteException;
/**
* Returns the default domain name of this MEJB.
* @exception RemoteException A communication exception occurred during the execution of a remote method call
*/
String getDefaultDomain() throws RemoteException;
/**
* Returns the listener registry implementation for this MEJB. The listener registry implements the methods
* that enable clints to add and remove event notification listeners managed objects
* @return An implementation of javax.management.j2ee.ListenerRegistration
*
* @exception RemoteException A communication exception occurred during the execution of a remote method call
*/
ListenerRegistration getListenerRegistry() throws RemoteException;
}
