1 /* 2 * Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 /* 26 * @author IBM Corp. 27 * 28 * Copyright IBM Corp. 1999-2000. All rights reserved. 29 */ 30 31 package javax.management.modelmbean; 32 33 import javax.management.DynamicMBean; 34 import javax.management.InstanceNotFoundException; 35 import javax.management.MBeanException; 36 import javax.management.PersistentMBean; 37 import javax.management.RuntimeOperationsException; 38 39 /** 40 * This interface must be implemented by the ModelMBeans. An implementation of this interface 41 * must be shipped with every JMX Agent. 42 * <P> 43 * Java resources wishing to be manageable instantiate the ModelMBean using the MBeanServer's 44 * createMBean method. The resource then sets the ModelMBeanInfo (with Descriptors) for the ModelMBean 45 * instance. The attributes and operations exposed via the ModelMBeanInfo for the ModelMBean are accessible 46 * from MBeans, connectors/adaptors like other MBeans. Through the ModelMBeanInfo Descriptors, values and methods in 47 * the managed application can be defined and mapped to attributes and operations of the ModelMBean. 48 * This mapping can be defined during development in an XML formatted file or dynamically and 49 * programmatically at runtime. 50 * <P> 51 * Every ModelMBean which is instantiated in the MBeanServer becomes manageable: 52 * its attributes and operations 53 * become remotely accessible through the connectors/adaptors connected to that MBeanServer. 54 * A Java object cannot be registered in the MBeanServer unless it is a JMX compliant MBean. 55 * By instantiating a ModelMBean, resources are guaranteed that the MBean is valid. 56 * <P> 57 * MBeanException and RuntimeOperationsException must be thrown on every public method. This allows 58 * for wrapping exceptions from distributed communications (RMI, EJB, etc.). These exceptions do 59 * not have to be thrown by the implementation except in the scenarios described in the specification 60 * and javadoc. 61 * 62 * @since 1.5 63 */ 64 65 public interface ModelMBean extends 66 DynamicMBean, 67 PersistentMBean, 68 ModelMBeanNotificationBroadcaster 69 { 70 71 /** 72 * Initializes a ModelMBean object using ModelMBeanInfo passed in. 73 * This method makes it possible to set a customized ModelMBeanInfo on 74 * the ModelMBean as long as it is not registered with the MBeanServer. 75 * <br> 76 * Once the ModelMBean's ModelMBeanInfo (with Descriptors) are 77 * customized and set on the ModelMBean, the ModelMBean can be 78 * registered with the MBeanServer. 79 * <P> 80 * If the ModelMBean is currently registered, this method throws 81 * a {@link javax.management.RuntimeOperationsException} wrapping an 82 * {@link IllegalStateException} 83 * 84 * @param inModelMBeanInfo The ModelMBeanInfo object to be used 85 * by the ModelMBean. 86 * 87 * @exception MBeanException Wraps a distributed communication 88 * Exception. 89 * @exception RuntimeOperationsException 90 * <ul><li>Wraps an {@link IllegalArgumentException} if 91 * the MBeanInfo passed in parameter is null.</li> 92 * <li>Wraps an {@link IllegalStateException} if the ModelMBean 93 * is currently registered in the MBeanServer.</li> 94 * </ul> 95 * 96 **/ 97 public void setModelMBeanInfo(ModelMBeanInfo inModelMBeanInfo) 98 throws MBeanException, RuntimeOperationsException; 99 100 /** 101 * Sets the instance handle of the object against which to 102 * execute all methods in this ModelMBean management interface 103 * (MBeanInfo and Descriptors). 104 * 105 * @param mr Object that is the managed resource 106 * @param mr_type The type of reference for the managed resource. Can be: ObjectReference, 107 * Handle, IOR, EJBHandle, RMIReference. 108 * If the MBeanServer cannot process the mr_type passed in, an InvalidTargetTypeException 109 * will be thrown. 110 * 111 * 112 * @exception MBeanException The initializer of the object has thrown an exception. 113 * @exception RuntimeOperationsException Wraps an IllegalArgumentException: 114 * The managed resource type passed in parameter is null. 115 * @exception InstanceNotFoundException The managed resource object could not be found 116 * @exception InvalidTargetObjectTypeException The managed resource type cannot be processed by the 117 * ModelMBean or JMX Agent. 118 */ 119 public void setManagedResource(Object mr, String mr_type) 120 throws MBeanException, RuntimeOperationsException, 121 InstanceNotFoundException, InvalidTargetObjectTypeException ; 122 123 }