interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/recovery/impl/InterfaceServiceRecoveryHandler.java

   1 /*
   2  * Copyright (c) 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.interfacemanager.recovery.impl;
   9
  10 import javax.inject.Inject;
  11 import javax.inject.Singleton;
  12 import org.apache.aries.blueprint.annotation.service.Reference;
  13 import org.opendaylight.serviceutils.srm.RecoverableListener;
  14 import org.opendaylight.serviceutils.srm.ServiceRecoveryInterface;
  15 import org.opendaylight.serviceutils.srm.ServiceRecoveryRegistry;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.serviceutils.srm.types.rev180626.GeniusIfm;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 @Singleton
  21 public class InterfaceServiceRecoveryHandler implements ServiceRecoveryInterface {
  22
  23     private static final Logger LOG = LoggerFactory.getLogger(InterfaceServiceRecoveryHandler.class);
  24     private final ServiceRecoveryRegistry serviceRecoveryRegistry;
  25
  26     @Inject
  27     public InterfaceServiceRecoveryHandler(@Reference final ServiceRecoveryRegistry serviceRecoveryRegistry) {
  28         LOG.info("registering IFM service recovery handlers");
  29         this.serviceRecoveryRegistry = serviceRecoveryRegistry;
  30         serviceRecoveryRegistry.registerServiceRecoveryRegistry(buildServiceRegistryKey(), this);
  31     }
  32
  33     private void deregisterListeners() {
  34         serviceRecoveryRegistry.getRecoverableListeners(buildServiceRegistryKey())
  35                 .forEach((RecoverableListener::deregisterListener));
  36     }
  37
  38     private void registerListeners() {
  39         serviceRecoveryRegistry.getRecoverableListeners(buildServiceRegistryKey())
  40                 .forEach((RecoverableListener::registerListener));
  41     }
  42
  43     @Override
  44     public void recoverService(final String entityId) {
  45         LOG.info("recover IFM service by deregistering and registering all relevant listeners");
  46         deregisterListeners();
  47         registerListeners();
  48     }
  49
  50     public String buildServiceRegistryKey() {
  51         return GeniusIfm.class.toString();
  52     }
  53 }