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Java example source code file (RelationTypeTest.java)

This example Java source code file (RelationTypeTest.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

arraylist, exception, management, map, mbeanserver, objectname, relationtypetest, role, roleinfo, rolelist, string, util

The RelationTypeTest.java Java example source code

/*
 * Copyright (c) 2003, 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.
 *
 * 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.
 */

/*
 * @test
 * @bug 4716675
 * @summary Test that relation type checking uses isInstanceOf
 * @author Eamonn McManus
 * @run clean RelationTypeTest
 * @run build RelationTypeTest
 * @run main RelationTypeTest
 */

import java.util.*;
import javax.management.*;
import javax.management.relation.*;

public class RelationTypeTest {
    public static void main(String[] args) throws Exception {
        System.out.println("Test that relation type checking uses " +
                           "isInstanceOf");
        MBeanServer mbs = MBeanServerFactory.newMBeanServer();
        ObjectName relSvc = new ObjectName("a:type=relationService");
        mbs.createMBean("javax.management.relation.RelationService",
                        relSvc,
                        new Object[] {Boolean.TRUE},
                        new String[] {"boolean"});
        RoleInfo leftInfo =
            new RoleInfo("left", "javax.management.timer.TimerMBean");
        RoleInfo rightInfo =
            new RoleInfo("right", "javax.management.timer.Timer");
        mbs.invoke(relSvc, "createRelationType",
                   new Object[] {
                        "typeName",
                        new RoleInfo[] {leftInfo, rightInfo},
                   },
                   new String[] {
                       "java.lang.String",
                       "[Ljavax.management.relation.RoleInfo;",
                   });
        ObjectName timer1 = new ObjectName("a:type=timer,number=1");
        ObjectName timer2 = new ObjectName("a:type=timer,number=2");
        mbs.createMBean("javax.management.timer.Timer", timer1);
        mbs.createMBean("javax.management.timer.Timer", timer2);
        Role leftRole =
            new Role("left", Arrays.asList(new ObjectName[] {timer1}));
        Role rightRole =
            new Role("right", Arrays.asList(new ObjectName[] {timer2}));
        RoleList roles =
            new RoleList(Arrays.asList(new Role[] {leftRole, rightRole}));
        mbs.invoke(relSvc, "createRelation",
                   new Object[] {
                        "relationName",
                        "typeName",
                        roles,
                   },
                   new String[] {
                       "java.lang.String",
                       "java.lang.String",
                       "javax.management.relation.RoleList",
                   });
        Map assoc =
            (Map) mbs.invoke(relSvc, "findAssociatedMBeans",
                             new Object[] {
                                 timer1,
                                 "typeName",
                                 "left",
                             },
                             new String[] {
                                 "javax.management.ObjectName",
                                 "java.lang.String",
                                 "java.lang.String",
                             });

        if (assoc.size() != 1) {
            System.out.println("TEST FAILS: findAssociatedMBeans should " +
                               "return one association: " + assoc);
            System.exit(1);
        }

        ArrayList list = (ArrayList) assoc.get(timer2);
        if (list.size() != 1 || !list.get(0).equals("relationName")) {
            System.out.println("TEST FAILS: MBean not associated as " +
                               "expected: " + list);
            System.exit(1);
        }
        System.out.println("Test passes");
    }
}

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