Java example source code file (RoleStatus.java)

This example Java source code file (RoleStatus.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

less_than_min_role_degree, more_than_max_role_degree, no_role_with_name, ref_mbean_not_registered, ref_mbean_of_incorrect_class, role_not_readable, role_not_writable, rolestatus

The RoleStatus.java Java example source code

/*
 * Copyright (c) 2000, 2005, Oracle and/or its affiliates. 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package javax.management.relation;

/**
 * This class describes the various problems which can be encountered when
 * accessing a role.
 *
 * @since 1.5
 */
public class RoleStatus {

    //
    // Possible problems
    //

    /**
     * Problem type when trying to access an unknown role.
     */
    public static final int NO_ROLE_WITH_NAME = 1;
    /**
     * Problem type when trying to read a non-readable attribute.
     */
    public static final int ROLE_NOT_READABLE = 2;
    /**
     * Problem type when trying to update a non-writable attribute.
     */
    public static final int ROLE_NOT_WRITABLE = 3;
    /**
     * Problem type when trying to set a role value with less ObjectNames than
     * the minimum expected cardinality.
     */
    public static final int LESS_THAN_MIN_ROLE_DEGREE = 4;
    /**
     * Problem type when trying to set a role value with more ObjectNames than
     * the maximum expected cardinality.
     */
    public static final int MORE_THAN_MAX_ROLE_DEGREE = 5;
    /**
     * Problem type when trying to set a role value including the ObjectName of
     * a MBean not of the class expected for that role.
     */
    public static final int REF_MBEAN_OF_INCORRECT_CLASS = 6;
    /**
     * Problem type when trying to set a role value including the ObjectName of
     * a MBean not registered in the MBean Server.
     */
    public static final int REF_MBEAN_NOT_REGISTERED = 7;

    /**
     * Returns true if given value corresponds to a known role status, false
     * otherwise.
     *
     * @param status a status code.
     *
     * @return true if this value is a known role status.
     */
    public static boolean isRoleStatus(int status) {
        if (status != NO_ROLE_WITH_NAME &&
            status != ROLE_NOT_READABLE &&
            status != ROLE_NOT_WRITABLE &&
            status != LESS_THAN_MIN_ROLE_DEGREE &&
            status != MORE_THAN_MAX_ROLE_DEGREE &&
            status != REF_MBEAN_OF_INCORRECT_CLASS &&
            status != REF_MBEAN_NOT_REGISTERED) {
            return false;
        }
        return true;
    }
}