opendaylight/md-sal/samples/clustering-test-app/provider/src/main/java/org/opendaylight/controller/clustering/it/provider/BasicRpcTestProvider.java

   1 /*
   2  * Copyright (c) 2017 Cisco Systems, Inc. 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.controller.clustering.it.provider;
  10
  11 import com.google.common.util.concurrent.Futures;
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import java.util.concurrent.Future;
  14 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  15 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  16 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
  17 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
  18 import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.controller.basic.rpc.test.rev160120.BasicRpcTestService;
  20 import org.opendaylight.yangtools.yang.common.RpcResult;
  21 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 public class BasicRpcTestProvider implements ClusterSingletonService, BasicRpcTestService {
  26
  27     private static final Logger LOG = LoggerFactory.getLogger(BasicRpcTestProvider.class);
  28     private static final ServiceGroupIdentifier IDENTIFIER = ServiceGroupIdentifier.create("Basic-rpc-test");
  29
  30     private final RpcProviderRegistry rpcProviderRegistry;
  31     private final ClusterSingletonServiceProvider singletonService;
  32     private BindingAwareBroker.RpcRegistration<BasicRpcTestService> rpcRegistration;
  33
  34     public BasicRpcTestProvider(final RpcProviderRegistry rpcProviderRegistry,
  35                                 final ClusterSingletonServiceProvider singletonService) {
  36         this.rpcProviderRegistry = rpcProviderRegistry;
  37         this.singletonService = singletonService;
  38
  39         singletonService.registerClusterSingletonService(this);
  40     }
  41
  42     @Override
  43     public void instantiateServiceInstance() {
  44         LOG.info("Basic testing rpc registered as global");
  45         rpcRegistration = rpcProviderRegistry.addRpcImplementation(BasicRpcTestService.class, this);
  46     }
  47
  48     @Override
  49     public ListenableFuture<Void> closeServiceInstance() {
  50         rpcRegistration.close();
  51         rpcRegistration = null;
  52
  53         return Futures.immediateFuture(null);
  54     }
  55
  56     @Override
  57     public ServiceGroupIdentifier getIdentifier() {
  58         return IDENTIFIER;
  59     }
  60
  61     @Override
  62     public Future<RpcResult<Void>> basicGlobal() {
  63         LOG.info("Basic test global rpc invoked");
  64
  65         return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
  66     }
  67 }