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/*
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* Copyright (c) 2000, 2008, Oracle and/or its affiliates. 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. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package javax.management.relation;
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import com.sun.jmx.mbeanserver.GetPropertyAction;
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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.io.Serializable;
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import java.security.AccessController;
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import java.util.Iterator;
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/**
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* Represents the result of a multiple access to several roles of a relation
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* (either for reading or writing).
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*
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* <p>The <b>serialVersionUID</b> of this class is <code>-6304063118040985512L</code>.
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*
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* @since 1.5
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*/
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@SuppressWarnings("serial")
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public class RoleResult implements Serializable {
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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 = 3786616013762091099L;
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//
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// Serial version for new serial form
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private static final long newSerialVersionUID = -6304063118040985512L;
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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("myRoleList", RoleList.class),
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new ObjectStreamField("myRoleUnresList", RoleUnresolvedList.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("roleList", RoleList.class),
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new ObjectStreamField("unresolvedRoleList", RoleUnresolvedList.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 roleList RoleList List of roles successfully accessed
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* @serialField unresolvedRoleList RoleUnresolvedList List of roles unsuccessfully accessed
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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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// Private members
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//
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/**
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* @serial List of roles successfully accessed
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*/
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private RoleList roleList = null;
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/**
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* @serial List of roles unsuccessfully accessed
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*/
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private RoleUnresolvedList unresolvedRoleList = null;
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//
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// Constructor
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//
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/**
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* Constructor.
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*
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* @param list list of roles successfully accessed.
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* @param unresolvedList list of roles not accessed (with problem
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* descriptions).
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*/
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public RoleResult(RoleList list,
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RoleUnresolvedList unresolvedList) {
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setRoles(list);
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setRolesUnresolved(unresolvedList);
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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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* Retrieves list of roles successfully accessed.
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*
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* @return a RoleList
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*
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* @see #setRoles
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*/
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public RoleList getRoles() {
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return roleList;
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}
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/**
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* Retrieves list of roles unsuccessfully accessed.
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*
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* @return a RoleUnresolvedList.
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*
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* @see #setRolesUnresolved
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*/
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public RoleUnresolvedList getRolesUnresolved() {
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return unresolvedRoleList;
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}
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/**
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* Sets list of roles successfully accessed.
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*
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* @param list list of roles successfully accessed
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*
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* @see #getRoles
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*/
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public void setRoles(RoleList list) {
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if (list != null) {
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roleList = new RoleList();
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for (Iterator<?> roleIter = list.iterator();
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roleIter.hasNext();) {
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Role currRole = (Role)(roleIter.next());
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roleList.add((Role)(currRole.clone()));
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}
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} else {
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roleList = null;
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}
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return;
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}
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/**
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* Sets list of roles unsuccessfully accessed.
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*
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* @param unresolvedList list of roles unsuccessfully accessed
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*
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* @see #getRolesUnresolved
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*/
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public void setRolesUnresolved(RoleUnresolvedList unresolvedList) {
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if (unresolvedList != null) {
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unresolvedRoleList = new RoleUnresolvedList();
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for (Iterator<?> roleUnresIter = unresolvedList.iterator();
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roleUnresIter.hasNext();) {
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RoleUnresolved currRoleUnres =
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(RoleUnresolved)(roleUnresIter.next());
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unresolvedRoleList.add((RoleUnresolved)(currRoleUnres.clone()));
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}
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} else {
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unresolvedRoleList = null;
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}
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return;
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}
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/**
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* Deserializes a {@link RoleResult} from an {@link ObjectInputStream}.
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*/
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private void readObject(ObjectInputStream in)
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throws IOException, ClassNotFoundException {
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if (compat)
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{
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// Read an object serialized in the old serial form
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//
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ObjectInputStream.GetField fields = in.readFields();
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roleList = (RoleList) fields.get("myRoleList", null);
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if (fields.defaulted("myRoleList"))
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{
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throw new NullPointerException("myRoleList");
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}
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unresolvedRoleList = (RoleUnresolvedList) fields.get("myRoleUnresList", null);
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if (fields.defaulted("myRoleUnresList"))
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{
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throw new NullPointerException("myRoleUnresList");
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}
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}
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else
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{
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// Read an object serialized in the new serial form
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//
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in.defaultReadObject();
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}
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}
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/**
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* Serializes a {@link RoleResult} to an {@link ObjectOutputStream}.
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*/
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private void writeObject(ObjectOutputStream out)
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throws IOException {
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if (compat)
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{
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// Serializes this instance in the old serial form
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//
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ObjectOutputStream.PutField fields = out.putFields();
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fields.put("myRoleList", roleList);
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fields.put("myRoleUnresList", unresolvedRoleList);
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out.writeFields();
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}
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else
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{
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// Serializes this instance in the new serial form
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//
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out.defaultWriteObject();
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}
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}
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}
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