/*

 * Copyright (c) 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.

 *

 * 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 6333528

 * @summary Check that the initial threshold is properly used by the observed

 *          objects added before the counter monitor is started as well as by

 *          the observed objects which are added once the monitor is started.

 * @author Luis-Miguel Alventosa

 * @run clean CounterMonitorInitThresholdTest

 * @run build CounterMonitorInitThresholdTest

 * @run main CounterMonitorInitThresholdTest

 */

import java.lang.management.ManagementFactory;

import javax.management.MBeanServer;

import javax.management.MBeanServerInvocationHandler;

import javax.management.Notification;

import javax.management.NotificationEmitter;

import javax.management.NotificationListener;

import javax.management.ObjectName;

import javax.management.monitor.CounterMonitor;

import javax.management.monitor.CounterMonitorMBean;

import javax.management.monitor.MonitorNotification;

public class CounterMonitorInitThresholdTest {

    public interface TestMBean {

        public int getCounter();

        public void setCounter(int count);

    }

    public static class Test implements TestMBean {

        public int getCounter() {

            return count;

        }

        public void setCounter(int count) {

            this.count = count;

        }

        private int count = 0;

    }

    public static class Listener implements NotificationListener {

        public void handleNotification(Notification n, Object hb) {

            System.out.println("\tReceived notification: " + n.getType());

            if (n instanceof MonitorNotification) {

                MonitorNotification mn = (MonitorNotification) n;

                System.out.println("\tSource: " +

                    mn.getSource());

                System.out.println("\tType: " +

                    mn.getType());

                System.out.println("\tTimeStamp: " +

                    mn.getTimeStamp());

                System.out.println("\tObservedObject: " +

                    mn.getObservedObject());

                System.out.println("\tObservedAttribute: " +

                    mn.getObservedAttribute());

                System.out.println("\tDerivedGauge: " +

                    mn.getDerivedGauge());

                System.out.println("\tTrigger: " +

                    mn.getTrigger());

            }

        }

    }

    public static void runTest() throws Exception {

        // Retrieve the platform MBean server

        //

        System.out.println("\nRetrieve the platform MBean server");

        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();

        String domain = mbs.getDefaultDomain();

        // Create and register TestMBeans

        //

        ObjectName name1 =

            new ObjectName(domain +

                           ":type=" + Test.class.getName() +

                           ",name=1");

        mbs.createMBean(Test.class.getName(), name1);

        TestMBean mbean1 = (TestMBean)

            MBeanServerInvocationHandler.newProxyInstance(

                mbs, name1, TestMBean.class, false);

        ObjectName name2 =

            new ObjectName(domain +

                           ":type=" + Test.class.getName() +

                           ",name=2");

        mbs.createMBean(Test.class.getName(), name2);

        TestMBean mbean2 = (TestMBean)

            MBeanServerInvocationHandler.newProxyInstance(

                mbs, name2, TestMBean.class, false);

        // Create and register CounterMonitorMBean

        //

        ObjectName cmn =

            new ObjectName(domain +

                           ":type=" + CounterMonitor.class.getName());

        CounterMonitor m = new CounterMonitor();

        mbs.registerMBean(m, cmn);

        CounterMonitorMBean cm = (CounterMonitorMBean)

            MBeanServerInvocationHandler.newProxyInstance(

                mbs, cmn, CounterMonitorMBean.class, true);

        ((NotificationEmitter) cm).addNotificationListener(

            new Listener(), null, null);

        cm.setObservedAttribute("Counter");

        cm.setGranularityPeriod(100);

        cm.setInitThreshold(3);

        cm.setNotify(true);

        // Add observed object name1

        //

        System.out.println("\nObservedObject \"" + name1 +

            "\" registered before starting the monitor");

        cm.addObservedObject(name1);

        // Start the monitor

        //

        System.out.println("\nStart monitoring...");

        cm.start();

        // Play with counter for name1

        //

        System.out.println("\nTest ObservedObject \"" + name1 + "\"");

        for (int i = 0; i < 4; i++) {

            mbean1.setCounter(i);

            System.out.println("\nCounter = " + mbean1.getCounter());

            Thread.sleep(300);

            Number thresholdValue = cm.getThreshold(name1);

            System.out.println("Threshold = " + thresholdValue);

            if (thresholdValue.intValue() != 3) {

                System.out.println("Wrong threshold! Current value = " +

                    thresholdValue + " Expected value = 3");

                System.out.println("\nStop monitoring...");

                cm.stop();

                throw new IllegalArgumentException("wrong threshold");

            }

            Thread.sleep(300);

        }

        // Add observed object name2

        //

        System.out.println("\nObservedObject \"" + name2 +

            "\" registered after starting the monitor");

        cm.addObservedObject(name2);

        // Play with counter for name2

        //

        System.out.println("\nTest ObservedObject \"" + name2 + "\"");

        for (int i = 0; i < 4; i++) {

            mbean2.setCounter(i);

            System.out.println("\nCounter = " + mbean2.getCounter());

            Thread.sleep(300);

            Number thresholdValue = cm.getThreshold(name2);

            System.out.println("Threshold = " + thresholdValue);

            if (thresholdValue.intValue() != 3) {

                System.out.println("Wrong threshold! Current value = " +

                    thresholdValue + " Expected value = 3");

                System.out.println("\nStop monitoring...");

                cm.stop();

                throw new IllegalArgumentException("wrong threshold");

            }

            Thread.sleep(300);

        }

        // Stop the monitor

        //

        System.out.println("\nStop monitoring...");

        cm.stop();

    }

    public static void main(String[] args) throws Exception {

        runTest();

    }

}