/* * Copyright 2002-2008 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Sun designates this * particular file as subject to the "Classpath" exception as provided * by Sun in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. */ package javax.management; // java import import java.io.IOException; import java.util.Set; /** * This interface represents a way to talk to an MBean server, whether * local or remote. The {@link MBeanServer} interface, representing a * local MBean server, extends this interface. * * * @since 1.5 */ public interface MBeanServerConnection { /** *

Instantiates and registers an MBean in the MBean server. The * MBean server will use its {@link * javax.management.loading.ClassLoaderRepository Default Loader * Repository} to load the class of the MBean. An object name is * associated with the MBean. If the object name given is null, the * MBean must provide its own name by implementing the {@link * javax.management.MBeanRegistration MBeanRegistration} interface * and returning the name from the {@link * MBeanRegistration#preRegister preRegister} method.

* *

This method is equivalent to {@link * #createMBean(String,ObjectName,Object[],String[]) * createMBean(className, name, (Object[]) null, (String[]) * null)}.

* * @param className The class name of the MBean to be instantiated. * @param name The object name of the MBean. May be null. * * @return An ObjectInstance, containing the * ObjectName and the Java class name of the newly * instantiated MBean. If the contained ObjectName * is n, the contained Java class name is * {@link #getMBeanInfo getMBeanInfo(n)}.getClassName(). * * @exception ReflectionException Wraps a * java.lang.ClassNotFoundException or a * java.lang.Exception that occurred * when trying to invoke the MBean's constructor. * @exception InstanceAlreadyExistsException The MBean is already * under the control of the MBean server. * @exception MBeanRegistrationException The * preRegister (MBeanRegistration * interface) method of the MBean has thrown an exception. The * MBean will not be registered. * @exception RuntimeMBeanException If the MBean's constructor or its * {@code preRegister} or {@code postRegister} method threw * a {@code RuntimeException}. If the postRegister * (MBeanRegistration interface) method of the MBean throws a * RuntimeException, the createMBean method will * throw a RuntimeMBeanException, although the MBean creation * and registration succeeded. In such a case, the MBean will be actually * registered even though the createMBean method * threw an exception. Note that RuntimeMBeanException can * also be thrown by preRegister, in which case the MBean * will not be registered. * @exception RuntimeErrorException If the postRegister * (MBeanRegistration interface) method of the MBean throws an * Error, the createMBean method will * throw a RuntimeErrorException, although the MBean creation * and registration succeeded. In such a case, the MBean will be actually * registered even though the createMBean method * threw an exception. Note that RuntimeErrorException can * also be thrown by preRegister, in which case the MBean * will not be registered. * @exception MBeanException The constructor of the MBean has * thrown an exception * @exception NotCompliantMBeanException This class is not a JMX * compliant MBean * @exception RuntimeOperationsException Wraps a * 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. * @exception IOException A communication problem occurred when * talking to the MBean server. * @see javax.management.MBeanRegistration */ public ObjectInstance createMBean(String className, ObjectName name) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, IOException; /** *

Instantiates and registers an MBean in the MBean server. The * class loader to be used is identified by its object name. An * object name is associated with the MBean. If the object name of * the loader is null, the ClassLoader that loaded the MBean * server will be used. If the MBean's object name given is null, * the MBean must provide its own name by implementing the {@link * javax.management.MBeanRegistration MBeanRegistration} interface * and returning the name from the {@link * MBeanRegistration#preRegister preRegister} method.

* *

This method is equivalent to {@link * #createMBean(String,ObjectName,ObjectName,Object[],String[]) * createMBean(className, name, loaderName, (Object[]) null, * (String[]) null)}.

* * @param className The class name of the MBean to be instantiated. * @param name The object name of the MBean. May be null. * @param loaderName The object name of the class loader to be used. * * @return An ObjectInstance, containing the * ObjectName and the Java class name of the newly * instantiated MBean. If the contained ObjectName * is n, the contained Java class name is * {@link #getMBeanInfo getMBeanInfo(n)}.getClassName(). * * @exception ReflectionException Wraps a * java.lang.ClassNotFoundException or a * java.lang.Exception that occurred when trying to * invoke the MBean's constructor. * @exception InstanceAlreadyExistsException The MBean is already * under the control of the MBean server. * @exception MBeanRegistrationException The * preRegister (MBeanRegistration * interface) method of the MBean has thrown an exception. The * MBean will not be registered. * @exception RuntimeMBeanException If the MBean's constructor or its * {@code preRegister} or {@code postRegister} method threw * a {@code RuntimeException}. If the postRegister * (MBeanRegistration interface) method of the MBean throws a * RuntimeException, the createMBean method will * throw a RuntimeMBeanException, although the MBean creation * and registration succeeded. In such a case, the MBean will be actually * registered even though the createMBean method * threw an exception. Note that RuntimeMBeanException can * also be thrown by preRegister, in which case the MBean * will not be registered. * @exception RuntimeErrorException If the postRegister * (MBeanRegistration interface) method of the MBean throws an * Error, the createMBean method will * throw a RuntimeErrorException, although the MBean creation * and registration succeeded. In such a case, the MBean will be actually * registered even though the createMBean method * threw an exception. Note that RuntimeErrorException can * also be thrown by preRegister, in which case the MBean * will not be registered. * @exception MBeanException The constructor of the MBean has * thrown an exception * @exception NotCompliantMBeanException This class is not a JMX * compliant MBean * @exception InstanceNotFoundException The specified class loader * is not registered in the MBean server. * @exception RuntimeOperationsException Wraps a * 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. * @exception IOException A communication problem occurred when * talking to the MBean server. * @see javax.management.MBeanRegistration */ public ObjectInstance createMBean(String className, ObjectName name, ObjectName loaderName) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, InstanceNotFoundException, IOException; /** * Instantiates and registers an MBean in the MBean server. The * MBean server will use its {@link * javax.management.loading.ClassLoaderRepository Default Loader * Repository} to load the class of the MBean. An object name is * associated with the MBean. If the object name given is null, the * MBean must provide its own name by implementing the {@link * javax.management.MBeanRegistration MBeanRegistration} interface * and returning the name from the {@link * MBeanRegistration#preRegister preRegister} method. * * @param className The class name of the MBean to be instantiated. * @param name The object name of the MBean. May be null. * @param params An array containing the parameters of the * constructor to be invoked. * @param signature An array containing the signature of the * constructor to be invoked. * * @return An ObjectInstance, containing the * ObjectName and the Java class name of the newly * instantiated MBean. If the contained ObjectName * is n, the contained Java class name is * {@link #getMBeanInfo getMBeanInfo(n)}.getClassName(). * * @exception ReflectionException Wraps a * java.lang.ClassNotFoundException or a * java.lang.Exception that occurred when trying to * invoke the MBean's constructor. * @exception InstanceAlreadyExistsException The MBean is already * under the control of the MBean server. * @exception MBeanRegistrationException The * preRegister (MBeanRegistration * interface) method of the MBean has thrown an exception. The * MBean will not be registered. * @exception RuntimeMBeanException If the MBean's constructor or its * {@code preRegister} or {@code postRegister} method threw * a {@code RuntimeException}. If the postRegister * (MBeanRegistration interface) method of the MBean throws a * RuntimeException, the createMBean method will * throw a RuntimeMBeanException, although the MBean creation * and registration succeeded. In such a case, the MBean will be actually * registered even though the createMBean method * threw an exception. Note that RuntimeMBeanException can * also be thrown by preRegister, in which case the MBean * will not be registered. * @exception RuntimeErrorException If the postRegister * (MBeanRegistration interface) method of the MBean throws an * Error, the createMBean method will * throw a RuntimeErrorException, although the MBean creation * and registration succeeded. In such a case, the MBean will be actually * registered even though the createMBean method * threw an exception. Note that RuntimeErrorException can * also be thrown by preRegister, in which case the MBean * will not be registered. * @exception MBeanException The constructor of the MBean has * thrown an exception * @exception NotCompliantMBeanException This class is not a JMX * compliant MBean * @exception RuntimeOperationsException Wraps a * 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. * @exception IOException A communication problem occurred when * talking to the MBean server. * @see javax.management.MBeanRegistration */ public ObjectInstance createMBean(String className, ObjectName name, Object params[], String signature[]) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, IOException; /** *

Instantiates and registers an MBean in the MBean server. The * class loader to be used is identified by its object name. An * object name is associated with the MBean. If the object name of * the loader is not specified, the ClassLoader that loaded the * MBean server will be used. If the MBean object name given is * null, the MBean must provide its own name by implementing the * {@link javax.management.MBeanRegistration MBeanRegistration} * interface and returning the name from the {@link * MBeanRegistration#preRegister preRegister} method. * * @param className The class name of the MBean to be instantiated. * @param name The object name of the MBean. May be null. * @param params An array containing the parameters of the * constructor to be invoked. * @param signature An array containing the signature of the * constructor to be invoked. * @param loaderName The object name of the class loader to be used. * * @return An ObjectInstance, containing the * ObjectName and the Java class name of the newly * instantiated MBean. If the contained ObjectName * is n, the contained Java class name is * {@link #getMBeanInfo getMBeanInfo(n)}.getClassName(). * * @exception ReflectionException Wraps a * java.lang.ClassNotFoundException or a * java.lang.Exception that occurred when trying to * invoke the MBean's constructor. * @exception InstanceAlreadyExistsException The MBean is already * under the control of the MBean server. * @exception MBeanRegistrationException The * preRegister (MBeanRegistration * interface) method of the MBean has thrown an exception. The * MBean will not be registered. * @exception RuntimeMBeanException The MBean's constructor or its * {@code preRegister} or {@code postRegister} method threw * a {@code RuntimeException}. If the postRegister * (MBeanRegistration interface) method of the MBean throws a * RuntimeException, the createMBean method will * throw a RuntimeMBeanException, although the MBean creation * and registration succeeded. In such a case, the MBean will be actually * registered even though the createMBean method * threw an exception. Note that RuntimeMBeanException can * also be thrown by preRegister, in which case the MBean * will not be registered. * @exception RuntimeErrorException If the postRegister method * (MBeanRegistration interface) method of the MBean throws an * Error, the createMBean method will * throw a RuntimeErrorException, although the MBean creation * and registration succeeded. In such a case, the MBean will be actually * registered even though the createMBean method * threw an exception. Note that RuntimeErrorException can * also be thrown by preRegister, in which case the MBean * will not be registered. * @exception MBeanException The constructor of the MBean has * thrown an exception * @exception NotCompliantMBeanException This class is not a JMX * compliant MBean * @exception InstanceNotFoundException The specified class loader * is not registered in the MBean server. * @exception RuntimeOperationsException Wraps a * 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. * @exception IOException A communication problem occurred when * talking to the MBean server. * @see javax.management.MBeanRegistration */ public ObjectInstance createMBean(String className, ObjectName name, ObjectName loaderName, Object params[], String signature[]) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, InstanceNotFoundException, IOException; /** * Unregisters an MBean from the MBean server. The MBean is * identified by its object name. Once the method has been * invoked, the MBean may no longer be accessed by its object * name. * * @param name The object name of the MBean to be unregistered. * * @exception InstanceNotFoundException The MBean specified is not * registered in the MBean server. * @exception MBeanRegistrationException The preDeregister * ((MBeanRegistration interface) method of the MBean * has thrown an exception. * @exception RuntimeMBeanException If the postDeregister * (MBeanRegistration interface) method of the MBean throws a * RuntimeException, the unregisterMBean method * will throw a RuntimeMBeanException, although the MBean * unregistration succeeded. In such a case, the MBean will be actually * unregistered even though the unregisterMBean method * threw an exception. Note that RuntimeMBeanException can * also be thrown by preDeregister, in which case the MBean * will remain registered. * @exception RuntimeErrorException If the postDeregister * (MBeanRegistration interface) method of the MBean throws an * Error, the unregisterMBean method will * throw a RuntimeErrorException, although the MBean * unregistration succeeded. In such a case, the MBean will be actually * unregistered even though the unregisterMBean method * threw an exception. Note that RuntimeMBeanException can * also be thrown by preDeregister, in which case the MBean * will remain registered. * @exception RuntimeOperationsException Wraps a * java.lang.IllegalArgumentException: The object * name in parameter is null or the MBean you are when trying to * unregister is the {@link javax.management.MBeanServerDelegate * MBeanServerDelegate} MBean. * @exception IOException A communication problem occurred when * talking to the MBean server. * @see javax.management.MBeanRegistration */ public void unregisterMBean(ObjectName name) throws InstanceNotFoundException, MBeanRegistrationException, IOException; /** * Gets the ObjectInstance for a given MBean * registered with the MBean server. * * @param name The object name of the MBean. * * @return The ObjectInstance associated with the MBean * specified by name. The contained ObjectName * is name and the contained class name is * {@link #getMBeanInfo getMBeanInfo(name)}.getClassName(). * * @exception InstanceNotFoundException The MBean specified is not * registered in the MBean server. * @exception IOException A communication problem occurred when * talking to the MBean server. */ public ObjectInstance getObjectInstance(ObjectName name) throws InstanceNotFoundException, IOException; /** * Gets MBeans controlled by the MBean server. This method allows * any of the following to be obtained: All MBeans, a set of * MBeans specified by pattern matching on the * 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. * * @param 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. * @param query The query expression to be applied for selecting * MBeans. If null no query expression will be applied for * selecting MBeans. * * @return A set containing the ObjectInstance * objects for the selected MBeans. If no MBean satisfies the * query an empty list is returned. * * @exception IOException A communication problem occurred when * talking to the MBean server. */ public Set queryMBeans(ObjectName name, QueryExp query) throws IOException; /** * Gets the names of MBeans controlled by the MBean server. This * method enables any of the following to be obtained: The names * of all MBeans, the names of a set of MBeans specified by * pattern matching on the 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. * * @param name The object name pattern identifying the MBean names * to be retrieved. If null or no domain and key properties are * specified, the name of all registered MBeans will be retrieved. * @param query The query expression to be applied for selecting * MBeans. If null no query expression will be applied for * selecting MBeans. * * @return A set containing the ObjectNames for the MBeans * selected. If no MBean satisfies the query, an empty list is * returned. * * @exception IOException A communication problem occurred when * talking to the MBean server. */ public Set queryNames(ObjectName name, QueryExp query) throws IOException; /** * Checks whether an MBean, identified by its object name, is * already registered with the MBean server. * * @param name The object name of the MBean to be checked. * * @return True if the MBean is already registered in the MBean * server, false otherwise. * * @exception RuntimeOperationsException Wraps a * java.lang.IllegalArgumentException: The object * name in parameter is null. * @exception IOException A communication problem occurred when * talking to the MBean server. */ public boolean isRegistered(ObjectName name) throws IOException; /** * Returns the number of MBeans registered in the MBean server. * * @return the number of MBeans registered. * * @exception IOException A communication problem occurred when * talking to the MBean server. */ public Integer getMBeanCount() throws IOException; /** * Gets the value of a specific attribute of a named MBean. The MBean * is identified by its object name. * * @param name The object name of the MBean 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 MBean. * @exception MBeanException Wraps an exception thrown by the * MBean's getter. * @exception InstanceNotFoundException The MBean specified is not * registered in the MBean server. * @exception ReflectionException Wraps a * java.lang.Exception thrown when trying to invoke * the setter. * @exception RuntimeOperationsException Wraps a * java.lang.IllegalArgumentException: The object * name in parameter is null or the attribute in parameter is * null. * @exception IOException A communication problem occurred when * talking to the MBean server. * * @see #setAttribute */ public Object getAttribute(ObjectName name, String attribute) throws MBeanException, AttributeNotFoundException, InstanceNotFoundException, ReflectionException, IOException; /** *

Retrieves the values of several attributes of a named MBean. The MBean * is identified by its object name.

* *

If one or more attributes cannot be retrieved for some reason, they * will be omitted from the returned {@code AttributeList}. The caller * should check that the list is the same size as the {@code attributes} * array. To discover what problem prevented a given attribute from being * retrieved, call {@link #getAttribute getAttribute} for that attribute.

* *

Here is an example of calling this method and checking that it * succeeded in retrieving all the requested attributes:

* * 
     * String[] attrNames = ...;
     * AttributeList list = mbeanServerConnection.getAttributes(objectName, attrNames);
     * if (list.size() == attrNames.length)
     *     System.out.println("All attributes were retrieved successfully");
     * else {
     *     {@code List} missing = new {@code ArrayList}({@link java.util.Arrays#asList Arrays.asList}(attrNames));
     *     for (Attribute a : list.asList())
     *         missing.remove(a.getName());
     *     System.out.println("Did not retrieve: " + missing);
     * }
     *
* * @param name The object name of the MBean 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 MBean specified is not * registered in the MBean server. * @exception ReflectionException An exception occurred when * trying to invoke the getAttributes method of a Dynamic MBean. * @exception RuntimeOperationsException Wrap a * java.lang.IllegalArgumentException: The object * name in parameter is null or attributes in parameter is null. * @exception IOException A communication problem occurred when * talking to the MBean server. * * @see #setAttributes */ public AttributeList getAttributes(ObjectName name, String[] attributes) throws InstanceNotFoundException, ReflectionException, IOException; /** * Sets the value of a specific attribute of a named MBean. The MBean * is identified by its object name. * * @param name The name of the MBean 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 MBean specified is not * registered in the MBean server. * @exception AttributeNotFoundException The attribute specified * is not accessible in the MBean. * @exception InvalidAttributeValueException The value specified * for the attribute is not valid. * @exception MBeanException Wraps an exception thrown by the * MBean's setter. * @exception ReflectionException Wraps a * java.lang.Exception thrown when trying to invoke * the setter. * @exception RuntimeOperationsException Wraps a * java.lang.IllegalArgumentException: The object * name in parameter is null or the attribute in parameter is * null. * @exception IOException A communication problem occurred when * talking to the MBean server. * * @see #getAttribute */ public void setAttribute(ObjectName name, Attribute attribute) throws InstanceNotFoundException, AttributeNotFoundException, InvalidAttributeValueException, MBeanException, ReflectionException, IOException; /** *

Sets the values of several attributes of a named MBean. The MBean is * identified by its object name.

* *

If one or more attributes cannot be set for some reason, they will be * omitted from the returned {@code AttributeList}. The caller should check * that the input {@code AttributeList} is the same size as the output one. * To discover what problem prevented a given attribute from being retrieved, * it will usually be possible to call {@link #setAttribute setAttribute} * for that attribute, although this is not guaranteed to work. (For * example, the values of two attributes may have been rejected because * they were inconsistent with each other. Setting one of them alone might * be allowed.)

* *

Here is an example of calling this method and checking that it * succeeded in setting all the requested attributes:

* * 
     * AttributeList inputAttrs = ...;
     * AttributeList outputAttrs = mbeanServerConnection.setAttributes(objectName, inputAttrs);
     * if (inputAttrs.size() == outputAttrs.size())
     *     System.out.println("All attributes were set successfully");
     * else {
     *     {@code List} missing = new {@code ArrayList}();
     *     for (Attribute a : inputAttrs.asList())
     *         missing.add(a.getName());
     *     for (Attribute a : outputAttrs.asList())
     *         missing.remove(a.getName());
     *     System.out.println("Did not set: " + missing);
     * }
     *
* * @param name The object name of the MBean 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 MBean specified is not * registered in the MBean server. * @exception ReflectionException An exception occurred when * trying to invoke the getAttributes method of a Dynamic MBean. * @exception RuntimeOperationsException Wraps a * java.lang.IllegalArgumentException: The object * name in parameter is null or attributes in parameter is null. * @exception IOException A communication problem occurred when * talking to the MBean server. * * @see #getAttributes */ public AttributeList setAttributes(ObjectName name, AttributeList attributes) throws InstanceNotFoundException, ReflectionException, IOException; /** *

Invokes an operation on an MBean.

* *

Because of the need for a {@code signature} to differentiate * possibly-overloaded operations, it is much simpler to invoke operations * through an {@linkplain JMX#newMBeanProxy(MBeanServerConnection, ObjectName, * Class) MBean proxy} where possible. For example, suppose you have a * Standard MBean interface like this:

* * 
     * public interface FooMBean {
     *     public int countMatches(String[] patterns, boolean ignoreCase);
     * }
     *
* *

The {@code countMatches} operation can be invoked as follows:

* * 
     * String[] myPatterns = ...;
     * int count = (Integer) mbeanServerConnection.invoke(
     *         objectName,
     *         "countMatches",
     *         new Object[] {myPatterns, true},
     *         new String[] {String[].class.getName(), boolean.class.getName()});
     *
* *

Alternatively, it can be invoked through a proxy as follows:

* * 
     * String[] myPatterns = ...;
     * FooMBean fooProxy = JMX.newMBeanProxy(
     *         mbeanServerConnection, objectName, FooMBean.class);
     * int count = fooProxy.countMatches(myPatterns, true);
     *
* * @param name The object name of the MBean 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, an array of class names in the format returned by * {@link Class#getName()}. 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. * * @return The object returned by the operation, which represents * the result of invoking the operation on the MBean specified. * * @exception InstanceNotFoundException The MBean specified is not * registered in the MBean server. * @exception MBeanException Wraps an exception thrown by the * MBean's invoked method. * @exception ReflectionException Wraps a * java.lang.Exception thrown while trying to invoke * the method. * @exception IOException A communication problem occurred when * talking to the MBean server. * */ public Object invoke(ObjectName name, String operationName, Object params[], String signature[]) throws InstanceNotFoundException, MBeanException, ReflectionException, IOException; /** * Returns the default domain used for naming the MBean. * The default domain name is used as the domain part in the ObjectName * of MBeans if no domain is specified by the user. * * @return the default domain. * * @exception IOException A communication problem occurred when * talking to the MBean server. */ public String getDefaultDomain() throws IOException; /** *

Returns the list of domains in which any MBean is currently * registered. A string is in the returned array if and only if * there is at least one MBean registered with an ObjectName whose * {@link ObjectName#getDomain() getDomain()} is equal to that * string. The order of strings within the returned array is * not defined.

* * @return the list of domains. * * @exception IOException A communication problem occurred when * talking to the MBean server. * */ public String[] getDomains() throws IOException; /** *

Adds a listener to a registered MBean. * Notifications emitted by the MBean will be forwarded to the listener.

* * @param name The name of the MBean on which the listener should * be added. * @param listener The listener object which will handle the * notifications emitted by the registered MBean. * @param filter The filter object. If filter is null, no * filtering will be performed before handling notifications. * @param handback The context to be sent to the listener when a * notification is emitted. * * @exception InstanceNotFoundException The MBean name provided * does not match any of the registered MBeans. * @exception IOException A communication problem occurred when * talking to the MBean server. * * @see #removeNotificationListener(ObjectName, NotificationListener) * @see #removeNotificationListener(ObjectName, NotificationListener, * NotificationFilter, Object) */ public void addNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException, IOException; /** *

Adds a listener to a registered MBean.

* *

A notification emitted by an MBean will be forwarded by the * MBeanServer to the listener. If the source of the notification * is a reference to an MBean object, the MBean server will * replace it by that MBean's ObjectName. Otherwise the source is * unchanged.

* *

The listener object that receives notifications is the one * that is registered with the given name at the time this method * is called. Even if it is subsequently unregistered, it will * continue to receive notifications.

* * @param name The name of the MBean on which the listener should * be added. * @param listener The object name of the listener which will * handle the notifications emitted by the registered MBean. * @param filter The filter object. If filter is null, no * filtering will be performed before handling notifications. * @param handback The context to be sent to the listener when a * notification is emitted. * * @exception InstanceNotFoundException The MBean name of the * notification listener or of the notification broadcaster does * not match any of the registered MBeans. * @exception RuntimeOperationsException Wraps an {@link * IllegalArgumentException}. The MBean named by * listener exists but does not implement the {@link * NotificationListener} interface. * @exception IOException A communication problem occurred when * talking to the MBean server. * * @see #removeNotificationListener(ObjectName, ObjectName) * @see #removeNotificationListener(ObjectName, ObjectName, * NotificationFilter, Object) */ public void addNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException, IOException; /** * Removes a listener from a registered MBean. * *

If the listener is registered more than once, perhaps with * different filters or callbacks, this method will remove all * those registrations. * * @param name The name of the MBean on which the listener should * be removed. * @param listener The object name of the listener to be removed. * * @exception InstanceNotFoundException The MBean name provided * does not match any of the registered MBeans. * @exception ListenerNotFoundException The listener is not * registered in the MBean. * @exception IOException A communication problem occurred when * talking to the MBean server. * * @see #addNotificationListener(ObjectName, ObjectName, * NotificationFilter, Object) */ public void removeNotificationListener(ObjectName name, ObjectName listener) throws InstanceNotFoundException, ListenerNotFoundException, IOException; /** *

Removes a listener from a registered MBean.

* *

The MBean must have a listener that exactly matches the * given listener, filter, and * handback parameters. If there is more than one * such listener, only one is removed.

* *

The filter and handback parameters * may be null if and only if they are null in a listener to be * removed.

* * @param name The name of the MBean on which the listener should * be removed. * @param listener The object name of the listener to be removed. * @param filter The filter that was specified when the listener * was added. * @param handback The handback that was specified when the * listener was added. * * @exception InstanceNotFoundException The MBean name provided * does not match any of the registered MBeans. * @exception ListenerNotFoundException The listener is not * registered in the MBean, or it is not registered with the given * filter and handback. * @exception IOException A communication problem occurred when * talking to the MBean server. * * @see #addNotificationListener(ObjectName, ObjectName, * NotificationFilter, Object) * */ public void removeNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException, ListenerNotFoundException, IOException; /** *

Removes a listener from a registered MBean.

* *

If the listener is registered more than once, perhaps with * different filters or callbacks, this method will remove all * those registrations. * * @param name The name of the MBean on which the listener should * be removed. * @param listener The listener to be removed. * * @exception InstanceNotFoundException The MBean name provided * does not match any of the registered MBeans. * @exception ListenerNotFoundException The listener is not * registered in the MBean. * @exception IOException A communication problem occurred when * talking to the MBean server. * * @see #addNotificationListener(ObjectName, NotificationListener, * NotificationFilter, Object) */ public void removeNotificationListener(ObjectName name, NotificationListener listener) throws InstanceNotFoundException, ListenerNotFoundException, IOException; /** *

Removes a listener from a registered MBean.

* *

The MBean must have a listener that exactly matches the * given listener, filter, and * handback parameters. If there is more than one * such listener, only one is removed.

* *

The filter and handback parameters * may be null if and only if they are null in a listener to be * removed.

* * @param name The name of the MBean on which the listener should * be removed. * @param listener The listener to be removed. * @param filter The filter that was specified when the listener * was added. * @param handback The handback that was specified when the * listener was added. * * @exception InstanceNotFoundException The MBean name provided * does not match any of the registered MBeans. * @exception ListenerNotFoundException The listener is not * registered in the MBean, or it is not registered with the given * filter and handback. * @exception IOException A communication problem occurred when * talking to the MBean server. * * @see #addNotificationListener(ObjectName, NotificationListener, * NotificationFilter, Object) * */ public void removeNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException, ListenerNotFoundException, IOException; /** * This method discovers the attributes and operations that an * MBean exposes for management. * * @param name The name of the MBean to analyze * * @return An instance of MBeanInfo allowing the * retrieval of all attributes and operations of this MBean. * * @exception IntrospectionException An exception occurred during * introspection. * @exception InstanceNotFoundException The MBean specified was * not found. * @exception ReflectionException An exception occurred when * trying to invoke the getMBeanInfo of a Dynamic MBean. * @exception IOException A communication problem occurred when * talking to the MBean server. */ public MBeanInfo getMBeanInfo(ObjectName name) throws InstanceNotFoundException, IntrospectionException, ReflectionException, IOException; /** *

Returns true if the MBean specified is an instance of the * specified class, false otherwise.

* *

If name does not name an MBean, this method * throws {@link InstanceNotFoundException}.

* *

Otherwise, let
* X be the MBean named by name,
* L be the ClassLoader of X,
* N be the class name in X's {@link MBeanInfo}.

* *

If N equals className, the result is true.

* *

Otherwise, if L successfully loads className * and X is an instance of this class, the result is true. * *

Otherwise, if L successfully loads both N and * className, and the second class is assignable from * the first, the result is true.

* *

Otherwise, the result is false.

* * @param name The ObjectName of the MBean. * @param className The name of the class. * * @return true if the MBean specified is an instance of the * specified class according to the rules above, false otherwise. * * @exception InstanceNotFoundException The MBean specified is not * registered in the MBean server. * @exception IOException A communication problem occurred when * talking to the MBean server. * * @see Class#isInstance */ public boolean isInstanceOf(ObjectName name, String className) throws InstanceNotFoundException, IOException; }