itm/itm-impl/src/main/java/org/opendaylight/genius/itm/diagstatus/ItmDiagStatusProvider.java

   1 /*
   2  * Copyright (c) 2017, 2018 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 package org.opendaylight.genius.itm.diagstatus;
   9
  10 import javax.annotation.PreDestroy;
  11 import javax.inject.Inject;
  12 import javax.inject.Singleton;
  13 import org.apache.aries.blueprint.annotation.service.Service;
  14 import org.opendaylight.genius.itm.globals.ITMConstants;
  15 import org.opendaylight.infrautils.diagstatus.DiagStatusService;
  16 import org.opendaylight.infrautils.diagstatus.ServiceDescriptor;
  17 import org.opendaylight.infrautils.diagstatus.ServiceState;
  18 import org.opendaylight.infrautils.diagstatus.ServiceStatusProvider;
  19
  20 @Singleton
  21 @Service(classes = ServiceStatusProvider.class)
  22 public class ItmDiagStatusProvider implements ServiceStatusProvider {
  23
  24     private final DiagStatusService diagStatusService;
  25     private volatile ServiceDescriptor serviceDescriptor;
  26
  27     @Inject
  28     public ItmDiagStatusProvider(final DiagStatusService diagStatusService) {
  29         this.diagStatusService = diagStatusService;
  30         diagStatusService.register(ITMConstants.ITM_SERVICE_NAME);
  31         reportStatus(ServiceState.STARTING);
  32     }
  33
  34     @PreDestroy
  35     public void close() {
  36         reportStatus(ServiceState.UNREGISTERED);
  37     }
  38
  39     public void reportStatus(ServiceState serviceState) {
  40         serviceDescriptor = new ServiceDescriptor(ITMConstants.ITM_SERVICE_NAME, serviceState);
  41         diagStatusService.report(serviceDescriptor);
  42     }
  43
  44     public void reportStatus(Exception exception) {
  45         serviceDescriptor = new ServiceDescriptor(ITMConstants.ITM_SERVICE_NAME, exception);
  46         diagStatusService.report(serviceDescriptor);
  47     }
  48
  49     @Override
  50     public ServiceDescriptor getServiceDescriptor() {
  51         // TODO Add logic here to derive the dynamic service state.
  52         // Currently this is just returning the initial state.
  53         return serviceDescriptor;
  54     }
  55 }