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/*
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* Copyright 2000-2006 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package javax.management.relation;
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import javax.management.Notification;
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import javax.management.ObjectName;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.io.ObjectStreamField;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import com.sun.jmx.mbeanserver.GetPropertyAction;
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import static com.sun.jmx.mbeanserver.Util.cast;
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/**
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* A notification of a change in the Relation Service.
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* A RelationNotification notification is sent when a relation is created via
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* the Relation Service, or an MBean is added as a relation in the Relation
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* Service, or a role is updated in a relation, or a relation is removed from
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* the Relation Service.
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*
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* <p>The <b>serialVersionUID</b> of this class is <code>-6871117877523310399L</code>.
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*
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* @since 1.5
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*/
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@SuppressWarnings("serial") // serialVersionUID not constant
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public class RelationNotification extends Notification {
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// Serialization compatibility stuff:
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// Two serial forms are supported in this class. The selected form depends
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// on system property "jmx.serial.form":
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// - "1.0" for JMX 1.0
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// - any other value for JMX 1.1 and higher
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//
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// Serial version for old serial form
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private static final long oldSerialVersionUID = -2126464566505527147L;
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//
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// Serial version for new serial form
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private static final long newSerialVersionUID = -6871117877523310399L;
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//
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// Serializable fields in old serial form
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private static final ObjectStreamField[] oldSerialPersistentFields =
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{
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new ObjectStreamField("myNewRoleValue", ArrayList.class),
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new ObjectStreamField("myOldRoleValue", ArrayList.class),
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new ObjectStreamField("myRelId", String.class),
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new ObjectStreamField("myRelObjName", ObjectName.class),
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new ObjectStreamField("myRelTypeName", String.class),
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new ObjectStreamField("myRoleName", String.class),
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new ObjectStreamField("myUnregMBeanList", ArrayList.class)
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};
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//
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// Serializable fields in new serial form
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private static final ObjectStreamField[] newSerialPersistentFields =
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{
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new ObjectStreamField("newRoleValue", List.class),
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new ObjectStreamField("oldRoleValue", List.class),
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new ObjectStreamField("relationId", String.class),
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new ObjectStreamField("relationObjName", ObjectName.class),
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new ObjectStreamField("relationTypeName", String.class),
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new ObjectStreamField("roleName", String.class),
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new ObjectStreamField("unregisterMBeanList", List.class)
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};
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//
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// Actual serial version and serial form
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private static final long serialVersionUID;
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/**
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* @serialField relationId String Relation identifier of
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* created/removed/updated relation
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* @serialField relationTypeName String Relation type name of
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* created/removed/updated relation
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* @serialField relationObjName ObjectName {@link ObjectName} of
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* the relation MBean of created/removed/updated relation (only if
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* the relation is represented by an MBean)
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* @serialField unregisterMBeanList List List of {@link
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* ObjectName}s of referenced MBeans to be unregistered due to
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* relation removal
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* @serialField roleName String Name of updated role (only for role update)
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* @serialField oldRoleValue List Old role value ({@link
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* ArrayList} of {@link ObjectName}s) (only for role update)
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* @serialField newRoleValue List New role value ({@link
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* ArrayList} of {@link ObjectName}s) (only for role update)
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*/
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private static final ObjectStreamField[] serialPersistentFields;
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private static boolean compat = false;
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static {
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try {
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GetPropertyAction act = new GetPropertyAction("jmx.serial.form");
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String form = AccessController.doPrivileged(act);
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compat = (form != null && form.equals("1.0"));
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} catch (Exception e) {
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// OK : Too bad, no compat with 1.0
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}
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if (compat) {
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serialPersistentFields = oldSerialPersistentFields;
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serialVersionUID = oldSerialVersionUID;
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} else {
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serialPersistentFields = newSerialPersistentFields;
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serialVersionUID = newSerialVersionUID;
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}
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}
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//
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// END Serialization compatibility stuff
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//
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// Notification types
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//
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/**
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* Type for the creation of an internal relation.
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*/
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public static final String RELATION_BASIC_CREATION = "jmx.relation.creation.basic";
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/**
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* Type for the relation MBean added into the Relation Service.
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*/
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public static final String RELATION_MBEAN_CREATION = "jmx.relation.creation.mbean";
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/**
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* Type for an update of an internal relation.
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*/
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public static final String RELATION_BASIC_UPDATE = "jmx.relation.update.basic";
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/**
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* Type for the update of a relation MBean.
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*/
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public static final String RELATION_MBEAN_UPDATE = "jmx.relation.update.mbean";
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/**
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* Type for the removal from the Relation Service of an internal relation.
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*/
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public static final String RELATION_BASIC_REMOVAL = "jmx.relation.removal.basic";
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/**
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* Type for the removal from the Relation Service of a relation MBean.
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*/
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public static final String RELATION_MBEAN_REMOVAL = "jmx.relation.removal.mbean";
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//
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// Private members
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//
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/**
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* @serial Relation identifier of created/removed/updated relation
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*/
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private String relationId = null;
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/**
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* @serial Relation type name of created/removed/updated relation
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*/
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private String relationTypeName = null;
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/**
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* @serial {@link ObjectName} of the relation MBean of created/removed/updated relation
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* (only if the relation is represented by an MBean)
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*/
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private ObjectName relationObjName = null;
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/**
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* @serial List of {@link ObjectName}s of referenced MBeans to be unregistered due to
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* relation removal
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*/
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private List<ObjectName> unregisterMBeanList = null;
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/**
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* @serial Name of updated role (only for role update)
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*/
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private String roleName = null;
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/**
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* @serial Old role value ({@link ArrayList} of {@link ObjectName}s) (only for role update)
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*/
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private List<ObjectName> oldRoleValue = null;
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/**
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* @serial New role value ({@link ArrayList} of {@link ObjectName}s) (only for role update)
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*/
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private List<ObjectName> newRoleValue = null;
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//
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// Constructors
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//
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/**
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* Creates a notification for either a relation creation (RelationSupport
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* object created internally in the Relation Service, or an MBean added as a
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* relation) or for a relation removal from the Relation Service.
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*
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* @param notifType type of the notification; either:
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* <P>- RELATION_BASIC_CREATION
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* <P>- RELATION_MBEAN_CREATION
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* <P>- RELATION_BASIC_REMOVAL
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* <P>- RELATION_MBEAN_REMOVAL
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* @param sourceObj source object, sending the notification. This is either
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* an ObjectName or a RelationService object. In the latter case it must be
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* the MBean emitting the notification; the MBean Server will rewrite the
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* source to be the ObjectName under which that MBean is registered.
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* @param sequence sequence number to identify the notification
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* @param timeStamp time stamp
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* @param message human-readable message describing the notification
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* @param id relation id identifying the relation in the Relation
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* Service
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* @param typeName name of the relation type
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* @param objectName ObjectName of the relation object if it is an MBean
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* (null for relations internally handled by the Relation Service)
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* @param unregMBeanList list of ObjectNames of referenced MBeans
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* expected to be unregistered due to relation removal (only for removal,
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* due to CIM qualifiers, can be null)
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*
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* @exception IllegalArgumentException if:
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* <P>- no value for the notification type
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* <P>- the notification type is not RELATION_BASIC_CREATION,
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* RELATION_MBEAN_CREATION, RELATION_BASIC_REMOVAL or
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* RELATION_MBEAN_REMOVAL
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* <P>- no source object
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* <P>- the source object is not a Relation Service
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* <P>- no relation id
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* <P>- no relation type name
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*/
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public RelationNotification(String notifType,
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Object sourceObj,
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long sequence,
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long timeStamp,
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String message,
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String id,
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String typeName,
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ObjectName objectName,
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List<ObjectName> unregMBeanList)
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throws IllegalArgumentException {
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super(notifType, sourceObj, sequence, timeStamp, message);
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// Can throw IllegalArgumentException
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initMembers(1,
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notifType,
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sourceObj,
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sequence,
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timeStamp,
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message,
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id,
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typeName,
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objectName,
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unregMBeanList,
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null,
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null,
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null);
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return;
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}
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/**
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* Creates a notification for a role update in a relation.
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*
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* @param notifType type of the notification; either:
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* <P>- RELATION_BASIC_UPDATE
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* <P>- RELATION_MBEAN_UPDATE
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* @param sourceObj source object, sending the notification. This is either
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* an ObjectName or a RelationService object. In the latter case it must be
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* the MBean emitting the notification; the MBean Server will rewrite the
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* source to be the ObjectName under which that MBean is registered.
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* @param sequence sequence number to identify the notification
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* @param timeStamp time stamp
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* @param message human-readable message describing the notification
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* @param id relation id identifying the relation in the Relation
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* Service
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* @param typeName name of the relation type
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* @param objectName ObjectName of the relation object if it is an MBean
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* (null for relations internally handled by the Relation Service)
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* @param name name of the updated role
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* @param newValue new role value (List of ObjectName objects)
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* @param oldValue old role value (List of ObjectName objects)
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*
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* @exception IllegalArgumentException if null parameter
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*/
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public RelationNotification(String notifType,
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Object sourceObj,
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long sequence,
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long timeStamp,
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String message,
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String id,
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String typeName,
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ObjectName objectName,
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String name,
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List<ObjectName> newValue,
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List<ObjectName> oldValue
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)
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throws IllegalArgumentException {
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super(notifType, sourceObj, sequence, timeStamp, message);
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// Can throw IllegalArgumentException
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initMembers(2,
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notifType,
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sourceObj,
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sequence,
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timeStamp,
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message,
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id,
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typeName,
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objectName,
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null,
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name,
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newValue,
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oldValue);
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return;
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}
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//
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// Accessors
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//
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/**
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* Returns the relation identifier of created/removed/updated relation.
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*
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* @return the relation id.
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*/
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public String getRelationId() {
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return relationId;
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}
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/**
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* Returns the relation type name of created/removed/updated relation.
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*
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* @return the relation type name.
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*/
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public String getRelationTypeName() {
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return relationTypeName;
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}
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/**
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* Returns the ObjectName of the
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* created/removed/updated relation.
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*
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* @return the ObjectName if the relation is an MBean, otherwise null.
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*/
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public ObjectName getObjectName() {
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return relationObjName;
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}
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/**
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* Returns the list of ObjectNames of MBeans expected to be unregistered
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* due to a relation removal (only for relation removal).
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*
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* @return a {@link List} of {@link ObjectName}.
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*/
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public List<ObjectName> getMBeansToUnregister() {
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List<ObjectName> result = null;
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if (unregisterMBeanList != null) {
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result = new ArrayList<ObjectName>(unregisterMBeanList);
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} else {
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result = Collections.emptyList();
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}
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return result;
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}
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/**
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* Returns name of updated role of updated relation (only for role update).
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*
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* @return the name of the updated role.
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*/
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public String getRoleName() {
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String result = null;
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if (roleName != null) {
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result = roleName;
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}
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return result;
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}
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/**
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* Returns old value of updated role (only for role update).
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*
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* @return the old value of the updated role.
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*/
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public List<ObjectName> getOldRoleValue() {
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List<ObjectName> result = null;
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if (oldRoleValue != null) {
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result = new ArrayList<ObjectName>(oldRoleValue);
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} else {
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result = Collections.emptyList();
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}
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return result;
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}
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/**
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* Returns new value of updated role (only for role update).
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*
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* @return the new value of the updated role.
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*/
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public List<ObjectName> getNewRoleValue() {
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List<ObjectName> result = null;
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if (newRoleValue != null) {
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result = new ArrayList<ObjectName>(newRoleValue);
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} else {
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result = Collections.emptyList();
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}
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return result;
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}
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//
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425 |
// Misc
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//
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427 |
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428 |
// Initializes members
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//
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430 |
// -param notifKind 1 for creation/removal, 2 for update
|
|
431 |
// -param notifType type of the notification; either:
|
|
432 |
// - RELATION_BASIC_UPDATE
|
|
433 |
// - RELATION_MBEAN_UPDATE
|
|
434 |
// for an update, or:
|
|
435 |
// - RELATION_BASIC_CREATION
|
|
436 |
// - RELATION_MBEAN_CREATION
|
|
437 |
// - RELATION_BASIC_REMOVAL
|
|
438 |
// - RELATION_MBEAN_REMOVAL
|
|
439 |
// for a creation or removal
|
|
440 |
// -param sourceObj source object, sending the notification. Will always
|
|
441 |
// be a RelationService object.
|
|
442 |
// -param sequence sequence number to identify the notification
|
|
443 |
// -param timeStamp time stamp
|
|
444 |
// -param message human-readable message describing the notification
|
|
445 |
// -param id relation id identifying the relation in the Relation
|
|
446 |
// Service
|
|
447 |
// -param typeName name of the relation type
|
|
448 |
// -param objectName ObjectName of the relation object if it is an MBean
|
|
449 |
// (null for relations internally handled by the Relation Service)
|
|
450 |
// -param unregMBeanList list of ObjectNames of MBeans expected to be
|
|
451 |
// removed due to relation removal
|
|
452 |
// -param name name of the updated role
|
|
453 |
// -param newValue new value (List of ObjectName objects)
|
|
454 |
// -param oldValue old value (List of ObjectName objects)
|
|
455 |
//
|
|
456 |
// -exception IllegalArgumentException if:
|
|
457 |
// - no value for the notification type
|
|
458 |
// - incorrect notification type
|
|
459 |
// - no source object
|
|
460 |
// - the source object is not a Relation Service
|
|
461 |
// - no relation id
|
|
462 |
// - no relation type name
|
|
463 |
// - no role name (for role update)
|
|
464 |
// - no role old value (for role update)
|
|
465 |
// - no role new value (for role update)
|
|
466 |
private void initMembers(int notifKind,
|
|
467 |
String notifType,
|
|
468 |
Object sourceObj,
|
|
469 |
long sequence,
|
|
470 |
long timeStamp,
|
|
471 |
String message,
|
|
472 |
String id,
|
|
473 |
String typeName,
|
|
474 |
ObjectName objectName,
|
|
475 |
List<ObjectName> unregMBeanList,
|
|
476 |
String name,
|
|
477 |
List<ObjectName> newValue,
|
|
478 |
List<ObjectName> oldValue)
|
|
479 |
throws IllegalArgumentException {
|
|
480 |
|
|
481 |
boolean badInitFlg = false;
|
|
482 |
|
|
483 |
if (notifType == null ||
|
|
484 |
sourceObj == null ||
|
|
485 |
(!(sourceObj instanceof RelationService) &&
|
|
486 |
!(sourceObj instanceof ObjectName)) ||
|
|
487 |
id == null ||
|
|
488 |
typeName == null) {
|
|
489 |
|
|
490 |
badInitFlg = true;
|
|
491 |
}
|
|
492 |
|
|
493 |
if (notifKind == 1) {
|
|
494 |
|
|
495 |
if ((!(notifType.equals(RelationNotification.RELATION_BASIC_CREATION)))
|
|
496 |
&&
|
|
497 |
(!(notifType.equals(RelationNotification.RELATION_MBEAN_CREATION)))
|
|
498 |
&&
|
|
499 |
(!(notifType.equals(RelationNotification.RELATION_BASIC_REMOVAL)))
|
|
500 |
&&
|
|
501 |
(!(notifType.equals(RelationNotification.RELATION_MBEAN_REMOVAL)))
|
|
502 |
) {
|
|
503 |
|
|
504 |
// Creation/removal
|
|
505 |
badInitFlg = true;
|
|
506 |
}
|
|
507 |
|
|
508 |
} else if (notifKind == 2) {
|
|
509 |
|
|
510 |
if (((!(notifType.equals(RelationNotification.RELATION_BASIC_UPDATE)))
|
|
511 |
&&
|
|
512 |
(!(notifType.equals(RelationNotification.RELATION_MBEAN_UPDATE))))
|
|
513 |
|| name == null ||
|
|
514 |
oldValue == null ||
|
|
515 |
newValue == null) {
|
|
516 |
|
|
517 |
// Role update
|
|
518 |
badInitFlg = true;
|
|
519 |
}
|
|
520 |
}
|
|
521 |
|
|
522 |
if (badInitFlg) {
|
|
523 |
String excMsg = "Invalid parameter.";
|
|
524 |
throw new IllegalArgumentException(excMsg);
|
|
525 |
}
|
|
526 |
|
|
527 |
relationId = id;
|
|
528 |
relationTypeName = typeName;
|
|
529 |
relationObjName = objectName;
|
|
530 |
if (unregMBeanList != null) {
|
|
531 |
unregisterMBeanList = new ArrayList<ObjectName>(unregMBeanList);
|
|
532 |
}
|
|
533 |
if (name != null) {
|
|
534 |
roleName = name;
|
|
535 |
}
|
|
536 |
if (oldValue != null) {
|
|
537 |
oldRoleValue = new ArrayList<ObjectName>(oldValue);
|
|
538 |
}
|
|
539 |
if (newValue != null) {
|
|
540 |
newRoleValue = new ArrayList<ObjectName>(newValue);
|
|
541 |
}
|
|
542 |
return;
|
|
543 |
}
|
|
544 |
|
|
545 |
/**
|
|
546 |
* Deserializes a {@link RelationNotification} from an {@link ObjectInputStream}.
|
|
547 |
*/
|
|
548 |
private void readObject(ObjectInputStream in)
|
|
549 |
throws IOException, ClassNotFoundException {
|
|
550 |
if (compat)
|
|
551 |
{
|
|
552 |
// Read an object serialized in the old serial form
|
|
553 |
//
|
|
554 |
ObjectInputStream.GetField fields = in.readFields();
|
|
555 |
newRoleValue = cast(fields.get("myNewRoleValue", null));
|
|
556 |
if (fields.defaulted("myNewRoleValue"))
|
|
557 |
{
|
|
558 |
throw new NullPointerException("newRoleValue");
|
|
559 |
}
|
|
560 |
oldRoleValue = cast(fields.get("myOldRoleValue", null));
|
|
561 |
if (fields.defaulted("myOldRoleValue"))
|
|
562 |
{
|
|
563 |
throw new NullPointerException("oldRoleValue");
|
|
564 |
}
|
|
565 |
relationId = (String) fields.get("myRelId", null);
|
|
566 |
if (fields.defaulted("myRelId"))
|
|
567 |
{
|
|
568 |
throw new NullPointerException("relationId");
|
|
569 |
}
|
|
570 |
relationObjName = (ObjectName) fields.get("myRelObjName", null);
|
|
571 |
if (fields.defaulted("myRelObjName"))
|
|
572 |
{
|
|
573 |
throw new NullPointerException("relationObjName");
|
|
574 |
}
|
|
575 |
relationTypeName = (String) fields.get("myRelTypeName", null);
|
|
576 |
if (fields.defaulted("myRelTypeName"))
|
|
577 |
{
|
|
578 |
throw new NullPointerException("relationTypeName");
|
|
579 |
}
|
|
580 |
roleName = (String) fields.get("myRoleName", null);
|
|
581 |
if (fields.defaulted("myRoleName"))
|
|
582 |
{
|
|
583 |
throw new NullPointerException("roleName");
|
|
584 |
}
|
|
585 |
unregisterMBeanList = cast(fields.get("myUnregMBeanList", null));
|
|
586 |
if (fields.defaulted("myUnregMBeanList"))
|
|
587 |
{
|
|
588 |
throw new NullPointerException("unregisterMBeanList");
|
|
589 |
}
|
|
590 |
}
|
|
591 |
else
|
|
592 |
{
|
|
593 |
// Read an object serialized in the new serial form
|
|
594 |
//
|
|
595 |
in.defaultReadObject();
|
|
596 |
}
|
|
597 |
}
|
|
598 |
|
|
599 |
|
|
600 |
/**
|
|
601 |
* Serializes a {@link RelationNotification} to an {@link ObjectOutputStream}.
|
|
602 |
*/
|
|
603 |
private void writeObject(ObjectOutputStream out)
|
|
604 |
throws IOException {
|
|
605 |
if (compat)
|
|
606 |
{
|
|
607 |
// Serializes this instance in the old serial form
|
|
608 |
//
|
|
609 |
ObjectOutputStream.PutField fields = out.putFields();
|
|
610 |
fields.put("myNewRoleValue", newRoleValue);
|
|
611 |
fields.put("myOldRoleValue", oldRoleValue);
|
|
612 |
fields.put("myRelId", relationId);
|
|
613 |
fields.put("myRelObjName", relationObjName);
|
|
614 |
fields.put("myRelTypeName", relationTypeName);
|
|
615 |
fields.put("myRoleName",roleName);
|
|
616 |
fields.put("myUnregMBeanList", unregisterMBeanList);
|
|
617 |
out.writeFields();
|
|
618 |
}
|
|
619 |
else
|
|
620 |
{
|
|
621 |
// Serializes this instance in the new serial form
|
|
622 |
//
|
|
623 |
out.defaultWriteObject();
|
|
624 |
}
|
|
625 |
}
|
|
626 |
}
|