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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
/*
* @test
* @bug 4930397
* @summary Make sure MemoryMXBean has two notification types.
* @author Mandy Chung
*
* @run main GetMBeanInfo
*/
import java.lang.management.*;
import javax.management.*;
public class GetMBeanInfo {
private final static int EXPECTED_NOTIF_TYPES = 2;
private static int count = 0;
public static void main(String argv[]) throws Exception {
final ObjectName objName;
objName = new ObjectName(ManagementFactory.MEMORY_MXBEAN_NAME);
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
MBeanInfo minfo = mbs.getMBeanInfo(objName);
MBeanNotificationInfo[] notifs = minfo.getNotifications();
for (int i = 0; i < notifs.length; i++) {
printNotifType(notifs[i]);
}
if (count != EXPECTED_NOTIF_TYPES) {
throw new RuntimeException("Unexpected number of notification types"
+ " count = " + count +
" expected = " + EXPECTED_NOTIF_TYPES);
}
}
private static void printNotifType(MBeanNotificationInfo notif) {
String[] types = notif.getNotifTypes();
for (int i = 0; i < types.length; i++) {
System.out.println(types[i]);
count++;
}
}
}