groupbasedpolicy/src/main/java/org/opendaylight/controller/config/yang/config/groupbasedpolicy/DomainSpecificRegistryInstance.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 com.google.common.base.Preconditions;
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import java.util.concurrent.Future;
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  17 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  18 import org.opendaylight.groupbasedpolicy.api.DomainSpecificRegistry;
  19 import org.opendaylight.groupbasedpolicy.api.EndpointAugmentorRegistry;
  20 import org.opendaylight.groupbasedpolicy.api.NetworkDomainAugmentorRegistry;
  21 import org.opendaylight.groupbasedpolicy.base_endpoint.BaseEndpointServiceImpl;
  22 import org.opendaylight.groupbasedpolicy.base_endpoint.EndpointAugmentorRegistryImpl;
  23 import org.opendaylight.groupbasedpolicy.forwarding.NetworkDomainAugmentorRegistryImpl;
  24 import org.opendaylight.groupbasedpolicy.renderer.RendererManager;
  25 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
  26 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
  27 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
  28 import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.BaseEndpointService;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.RegisterEndpointInput;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.UnregisterEndpointInput;
  32 import org.opendaylight.yangtools.yang.common.RpcResult;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 public class DomainSpecificRegistryInstance implements ClusterSingletonService, DomainSpecificRegistry, BaseEndpointService, AutoCloseable {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(DomainSpecificRegistryInstance.class);
  39
  40     private static final ServiceGroupIdentifier IDENTIFIER =
  41             ServiceGroupIdentifier.create(GroupbasedpolicyInstance.GBP_SERVICE_GROUP_IDENTIFIER);
  42     private final DataBroker dataBroker;
  43     private ClusterSingletonServiceProvider clusterSingletonService;
  44     private final RpcProviderRegistry rpcProviderRegistry;
  45     private ClusterSingletonServiceRegistration singletonServiceRegistration;
  46     private EndpointAugmentorRegistryImpl endpointAugmentorRegistryImpl;
  47     private NetworkDomainAugmentorRegistryImpl netDomainAugmentorRegistryImpl;
  48     private BaseEndpointServiceImpl baseEndpointServiceImpl;
  49     private RendererManager rendererManager;
  50     private BindingAwareBroker.RpcRegistration<BaseEndpointService> baseEndpointServiceRpcRegistration;
  51
  52     public DomainSpecificRegistryInstance(final DataBroker dataBroker,
  53                                           final ClusterSingletonServiceProvider clusterSingletonService,
  54                                           final RpcProviderRegistry rpcProviderRegistry) {
  55         this.dataBroker = Preconditions.checkNotNull(dataBroker);
  56         this.clusterSingletonService = Preconditions.checkNotNull(clusterSingletonService);
  57         this.rpcProviderRegistry = Preconditions.checkNotNull(rpcProviderRegistry);
  58     }
  59
  60     @Override
  61     public EndpointAugmentorRegistry getEndpointAugmentorRegistry() {
  62         return endpointAugmentorRegistryImpl;
  63     }
  64
  65     @Override
  66     public NetworkDomainAugmentorRegistry getNetworkDomainAugmentorRegistry() {
  67         return netDomainAugmentorRegistryImpl;
  68     }
  69
  70     @Override
  71     public Future<RpcResult<Void>> unregisterEndpoint(UnregisterEndpointInput input) {
  72         return baseEndpointServiceImpl.unregisterEndpoint(input);
  73     }
  74
  75     @Override
  76     public Future<RpcResult<Void>> registerEndpoint(RegisterEndpointInput input) {
  77         return baseEndpointServiceImpl.registerEndpoint(input);
  78     }
  79
  80     public void initialize() {
  81         LOG.info("Clustering session initiated for {}", this.getClass().getSimpleName());
  82         try {
  83             singletonServiceRegistration = clusterSingletonService.registerClusterSingletonService(this);
  84         }
  85         catch (Exception e) {
  86             LOG.warn("Exception while registering candidate ... ", e);
  87         }
  88     }
  89
  90     @Override
  91     public void instantiateServiceInstance() {
  92         LOG.info("Instantiating {}", this.getClass().getSimpleName());
  93         endpointAugmentorRegistryImpl = new EndpointAugmentorRegistryImpl();
  94         netDomainAugmentorRegistryImpl = new NetworkDomainAugmentorRegistryImpl();
  95         baseEndpointServiceImpl = new BaseEndpointServiceImpl(dataBroker, endpointAugmentorRegistryImpl);
  96         rendererManager = new RendererManager(dataBroker, netDomainAugmentorRegistryImpl, endpointAugmentorRegistryImpl);
  97
  98         baseEndpointServiceRpcRegistration = rpcProviderRegistry.addRpcImplementation(BaseEndpointService.class, this);
  99     }
 100
 101     @Override
 102     public ListenableFuture<Void> closeServiceInstance() {
 103         LOG.info("Instance {} closed", this.getClass().getSimpleName());
 104         baseEndpointServiceImpl.close();
 105         baseEndpointServiceRpcRegistration.close();
 106         rendererManager.close();
 107
 108         return Futures.immediateFuture(null);
 109     }
 110
 111     @Override
 112     public void close() throws Exception {
 113         LOG.info("Clustering provider closed for {}", this.getClass().getSimpleName());
 114         if (singletonServiceRegistration != null) {
 115             try {
 116                 singletonServiceRegistration.close();
 117             } catch (Exception e) {
 118                 LOG.warn("{} closed unexpectedly", this.getClass().getSimpleName(), e);
 119             }
 120             singletonServiceRegistration = null;
 121         }
 122     }
 123
 124     @Override
 125     public ServiceGroupIdentifier getIdentifier() {
 126         return IDENTIFIER;
 127     }
 128 }