groupbasedpolicy/src/main/java/org/opendaylight/controller/config/yang/config/groupbasedpolicy/EpRendererAugmentationRegistryImplInstance.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. 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.controller.config.yang.config.groupbasedpolicy;
  10
  11 import java.util.concurrent.Future;
  12 import com.google.common.base.Preconditions;
  13 import com.google.common.util.concurrent.Futures;
  14 import com.google.common.util.concurrent.ListenableFuture;
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.groupbasedpolicy.api.EpRendererAugmentation;
  17 import org.opendaylight.groupbasedpolicy.api.EpRendererAugmentationRegistry;
  18 import org.opendaylight.groupbasedpolicy.endpoint.EndpointRpcRegistry;
  19 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
  20 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
  21 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
  22 import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.EndpointService;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInput;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterL3PrefixEndpointInput;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.SetEndpointGroupConditionsInput;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.UnregisterEndpointInput;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.UnsetEndpointGroupConditionsInput;
  29 import org.opendaylight.yangtools.yang.common.RpcResult;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 public class EpRendererAugmentationRegistryImplInstance implements ClusterSingletonService, EpRendererAugmentationRegistry, EndpointService, AutoCloseable {
  34
  35     private static final Logger LOG = LoggerFactory.getLogger(EpRendererAugmentationRegistryImplInstance.class);
  36
  37     private static final ServiceGroupIdentifier IDENTIFIER =
  38             ServiceGroupIdentifier.create(GroupbasedpolicyInstance.GBP_SERVICE_GROUP_IDENTIFIER);
  39     private final DataBroker dataBroker;
  40     private ClusterSingletonServiceProvider clusterSingletonService;
  41     private ClusterSingletonServiceRegistration singletonServiceRegistration;
  42     private EndpointRpcRegistry endpointRpcRegistry;
  43
  44     public EpRendererAugmentationRegistryImplInstance(final DataBroker dataBroker,
  45                                                       final ClusterSingletonServiceProvider clusterSingletonService) {
  46         this.dataBroker = Preconditions.checkNotNull(dataBroker);
  47         this.clusterSingletonService = Preconditions.checkNotNull(clusterSingletonService);
  48     }
  49
  50     @Override
  51     public void register(EpRendererAugmentation epRendererAugmentation) {
  52         endpointRpcRegistry.register(epRendererAugmentation);
  53     }
  54
  55     @Override
  56     public void unregister(EpRendererAugmentation epRendererAugmentation) {
  57         endpointRpcRegistry.unregister(epRendererAugmentation);
  58     }
  59
  60     @Override
  61     public Future<RpcResult<Void>> unsetEndpointGroupConditions(UnsetEndpointGroupConditionsInput input) {
  62         return endpointRpcRegistry.unsetEndpointGroupConditions(input);
  63     }
  64
  65     @Override
  66     public Future<RpcResult<Void>> registerEndpoint(RegisterEndpointInput input) {
  67         return endpointRpcRegistry.registerEndpoint(input);
  68     }
  69
  70     @Override
  71     public Future<RpcResult<Void>> setEndpointGroupConditions(SetEndpointGroupConditionsInput input) {
  72         return endpointRpcRegistry.setEndpointGroupConditions(input);
  73     }
  74
  75     @Override
  76     public Future<RpcResult<Void>> registerL3PrefixEndpoint(RegisterL3PrefixEndpointInput input) {
  77         return endpointRpcRegistry.registerL3PrefixEndpoint(input);
  78     }
  79
  80     @Override
  81     public Future<RpcResult<Void>> unregisterEndpoint(UnregisterEndpointInput input) {
  82         return endpointRpcRegistry.unregisterEndpoint(input);
  83     }
  84
  85     public void initialize() {
  86         LOG.info("Clustering session initiated for {}", this.getClass().getSimpleName());
  87         singletonServiceRegistration = clusterSingletonService.registerClusterSingletonService(this);
  88     }
  89
  90     @Override
  91     public void instantiateServiceInstance() {
  92         LOG.info("Instantiating {}", this.getClass().getSimpleName());
  93         endpointRpcRegistry = new EndpointRpcRegistry(dataBroker);
  94     }
  95
  96     @Override
  97     public ListenableFuture<Void> closeServiceInstance() {
  98         LOG.info("Instance {} closed", this.getClass().getSimpleName());
  99         endpointRpcRegistry.close();
 100         return Futures.immediateFuture(null);
 101     }
 102
 103     @Override
 104     public void close() {
 105         LOG.info("Clustering provider closed for {}", this.getClass().getSimpleName());
 106         if (singletonServiceRegistration != null) {
 107             try {
 108                 singletonServiceRegistration.close();
 109             } catch (Exception e) {
 110                 LOG.warn("{} closed unexpectedly", this.getClass().getSimpleName(), e);
 111             }
 112             singletonServiceRegistration = null;
 113         }
 114     }
 115
 116     @Override
 117     public ServiceGroupIdentifier getIdentifier() {
 118         return IDENTIFIER;
 119     }
 120 }