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 package org.opendaylight.controller.clustering.it.provider;
   9
  10 import com.google.common.util.concurrent.Futures;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import javax.annotation.PreDestroy;
  13 import javax.inject.Inject;
  14 import javax.inject.Singleton;
  15 import org.opendaylight.mdsal.binding.api.RpcProviderService;
  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.BasicGlobalInput;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.controller.basic.rpc.test.rev160120.BasicGlobalOutput;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.controller.basic.rpc.test.rev160120.BasicGlobalOutputBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.controller.basic.rpc.test.rev160120.BasicRpcTestService;
  23 import org.opendaylight.yangtools.concepts.ObjectRegistration;
  24 import org.opendaylight.yangtools.concepts.Registration;
  25 import org.opendaylight.yangtools.yang.common.RpcResult;
  26 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  27 import org.osgi.service.component.annotations.Activate;
  28 import org.osgi.service.component.annotations.Component;
  29 import org.osgi.service.component.annotations.Deactivate;
  30 import org.osgi.service.component.annotations.Reference;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 @Singleton
  35 @Component(service = { })
  36 public final class BasicRpcTestProvider implements ClusterSingletonService, BasicRpcTestService {
  37     private static final Logger LOG = LoggerFactory.getLogger(BasicRpcTestProvider.class);
  38     private static final ServiceGroupIdentifier IDENTIFIER = ServiceGroupIdentifier.create("Basic-rpc-test");
  39
  40     private final RpcProviderService rpcProviderRegistry;
  41     private final Registration singletonRegistration;
  42
  43     private ObjectRegistration<?> rpcRegistration;
  44
  45     @Inject
  46     @Activate
  47     public BasicRpcTestProvider(@Reference final RpcProviderService rpcProviderRegistry,
  48                                 @Reference final ClusterSingletonServiceProvider singletonService) {
  49         this.rpcProviderRegistry = rpcProviderRegistry;
  50         singletonRegistration = singletonService.registerClusterSingletonService(this);
  51     }
  52
  53     @PreDestroy
  54     @Deactivate
  55     public void close() {
  56         singletonRegistration.close();
  57     }
  58
  59     @Override
  60     public void instantiateServiceInstance() {
  61         LOG.info("Basic testing rpc registered as global");
  62         rpcRegistration = rpcProviderRegistry.registerRpcImplementation(BasicRpcTestService.class, this);
  63     }
  64
  65     @Override
  66     public ListenableFuture<Void> closeServiceInstance() {
  67         rpcRegistration.close();
  68         rpcRegistration = null;
  69
  70         return Futures.immediateFuture(null);
  71     }
  72
  73     @Override
  74     public ServiceGroupIdentifier getIdentifier() {
  75         return IDENTIFIER;
  76     }
  77
  78     @Override
  79     public ListenableFuture<RpcResult<BasicGlobalOutput>> basicGlobal(final BasicGlobalInput input) {
  80         LOG.info("Basic test global rpc invoked");
  81
  82         return Futures.immediateFuture(RpcResultBuilder.success(new BasicGlobalOutputBuilder().build()).build());
  83     }
  84 }