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

   1 /**
   2  * Copyright (c) 2016 Pantheon Technologies s.r.o. 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.impl;
  10
  11 import com.google.common.util.concurrent.Futures;
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
  14 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
  15 import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 /**
  21  * Service (per device) for registration in singleton provider.
  22  */
  23 public class DeviceMastership implements ClusterSingletonService {
  24     private static final Logger LOG = LoggerFactory.getLogger(DeviceMastership.class);
  25     private final NodeId nodeId;
  26     private final ServiceGroupIdentifier identifier;
  27     private ClusterSingletonServiceRegistration clusterSingletonServiceRegistration;
  28     private boolean deviceMastered;
  29
  30     public DeviceMastership(final NodeId nodeId) {
  31         this.nodeId = nodeId;
  32         this.identifier = ServiceGroupIdentifier.create(nodeId.getValue());
  33         this.deviceMastered = false;
  34     }
  35
  36     @Override
  37     public void instantiateServiceInstance() {
  38         LOG.debug("FRM started for: {}", nodeId.getValue());
  39         deviceMastered = true;
  40     }
  41
  42     @Override
  43     public ListenableFuture<Void> closeServiceInstance() {
  44         LOG.debug("FRM stopped for: {}", nodeId.getValue());
  45         deviceMastered = false;
  46         return Futures.immediateFuture(null);
  47     }
  48
  49     @Override
  50     public ServiceGroupIdentifier getIdentifier() {
  51         return identifier;
  52     }
  53
  54     public boolean isDeviceMastered() {
  55         return deviceMastered;
  56     }
  57
  58     public void setClusterSingletonServiceRegistration(final ClusterSingletonServiceRegistration registration) {
  59         this.clusterSingletonServiceRegistration = registration;
  60     }
  61
  62     public ClusterSingletonServiceRegistration getClusterSingletonServiceRegistration() {
  63         return clusterSingletonServiceRegistration;
  64     }
  65
  66 }