applications/forwardingrules-manager/src/main/java/org/opendaylight/openflowplugin/applications/frm/ReconciliationJMXAgent.java

   1 /*
   2  * Copyright (c) 2020 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.openflowplugin.applications.frm;
  10
  11 import java.lang.management.ManagementFactory;
  12 import javax.inject.Inject;
  13 import javax.management.InstanceAlreadyExistsException;
  14 import javax.management.MBeanRegistrationException;
  15 import javax.management.MBeanServer;
  16 import javax.management.MalformedObjectNameException;
  17 import javax.management.NotCompliantMBeanException;
  18 import javax.management.ObjectName;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 public final class ReconciliationJMXAgent {
  23     private static final Logger LOG = LoggerFactory.getLogger(ReconciliationJMXAgent.class);
  24     private static final String OF_RECONC_BEANNAME
  25             = "org.opendaylight.openflowplugin.frm:type=ReconciliationState";
  26     private MBeanServer mbs = null;
  27     private ObjectName objectName = null;
  28
  29     @Inject
  30     public ReconciliationJMXAgent(final ReconciliationJMXService reconciliationJMXService) {
  31         mbs = ManagementFactory.getPlatformMBeanServer();
  32         try {
  33             objectName = new ObjectName(OF_RECONC_BEANNAME);
  34             registerReconciliationMbean(reconciliationJMXService);
  35         } catch (MalformedObjectNameException e) {
  36             LOG.error("ObjectName instance creation failed for Mbean {} : ", OF_RECONC_BEANNAME, e);
  37         }
  38     }
  39
  40     public void registerReconciliationMbean(ReconciliationJMXService reconciliationJMXService) {
  41         try {
  42             // Uniquely identify the MBeans and register them with the platform MBeanServer
  43             if (!mbs.isRegistered(objectName)) {
  44                 mbs.registerMBean(reconciliationJMXService, objectName);
  45                 LOG.debug("Registered Mbean {} successfully", OF_RECONC_BEANNAME);
  46             }
  47         } catch (MBeanRegistrationException | InstanceAlreadyExistsException | NotCompliantMBeanException e) {
  48             LOG.error("Registeration failed for Mbean {} : ", OF_RECONC_BEANNAME , e);
  49         }
  50     }
  51 }