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

   1 /*
   2  * Copyright (c) 2014 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 static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.collect.ImmutableSet;
  13 import com.google.common.util.concurrent.FutureCallback;
  14 import com.google.common.util.concurrent.ListenableFuture;
  15 import com.google.common.util.concurrent.MoreExecutors;
  16 import com.google.common.util.concurrent.SettableFuture;
  17 import java.util.HashSet;
  18 import java.util.Set;
  19 import javax.annotation.PreDestroy;
  20 import javax.inject.Inject;
  21 import javax.inject.Singleton;
  22 import org.opendaylight.mdsal.binding.api.DataBroker;
  23 import org.opendaylight.mdsal.binding.api.RpcProviderService;
  24 import org.opendaylight.mdsal.binding.api.WriteTransaction;
  25 import org.opendaylight.mdsal.common.api.CommitInfo;
  26 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.purchase.rev140818.CarPurchaseService;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.people.rev140818.AddPersonInput;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.people.rev140818.AddPersonOutput;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.people.rev140818.AddPersonOutputBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.people.rev140818.People;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.people.rev140818.PeopleService;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.people.rev140818.people.Person;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.people.rev140818.people.PersonBuilder;
  35 import org.opendaylight.yangtools.concepts.ObjectRegistration;
  36 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  37 import org.opendaylight.yangtools.yang.common.ErrorType;
  38 import org.opendaylight.yangtools.yang.common.RpcResult;
  39 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  40 import org.osgi.service.component.annotations.Activate;
  41 import org.osgi.service.component.annotations.Component;
  42 import org.osgi.service.component.annotations.Deactivate;
  43 import org.osgi.service.component.annotations.Reference;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46
  47 @Singleton
  48 @Component(service = { })
  49 public final class PeopleProvider implements PeopleService, AutoCloseable {
  50     private static final Logger LOG = LoggerFactory.getLogger(PeopleProvider.class);
  51
  52     private final Set<ObjectRegistration<?>> regs = new HashSet<>();
  53     private final DataBroker dataProvider;
  54     private final RpcProviderService rpcProviderService;
  55     private final CarPurchaseService rpcImplementation;
  56
  57     @Inject
  58     @Activate
  59     public PeopleProvider(@Reference final DataBroker dataProvider,
  60             @Reference final RpcProviderService rpcProviderService,
  61             @Reference final CarPurchaseService rpcImplementation) {
  62         this.dataProvider = requireNonNull(dataProvider);
  63         this.rpcProviderService = requireNonNull(rpcProviderService);
  64         this.rpcImplementation = requireNonNull(rpcImplementation);
  65
  66         // Add global registration
  67         regs.add(rpcProviderService.registerRpcImplementation(CarPurchaseService.class, rpcImplementation));
  68     }
  69
  70     @Override
  71     public ListenableFuture<RpcResult<AddPersonOutput>> addPerson(final AddPersonInput input) {
  72         LOG.info("RPC addPerson : adding person [{}]", input);
  73
  74         PersonBuilder builder = new PersonBuilder(input);
  75         final Person person = builder.build();
  76         final SettableFuture<RpcResult<AddPersonOutput>> futureResult = SettableFuture.create();
  77
  78         // Each entry will be identifiable by a unique key, we have to create that identifier
  79         final InstanceIdentifier<Person> personId = InstanceIdentifier.builder(People.class)
  80                 .child(Person.class, person.key()).build();
  81         // Place entry in data store tree
  82         WriteTransaction tx = dataProvider.newWriteOnlyTransaction();
  83         tx.put(LogicalDatastoreType.CONFIGURATION, personId, person);
  84
  85         tx.commit().addCallback(new FutureCallback<CommitInfo>() {
  86             @Override
  87             public void onSuccess(final CommitInfo result) {
  88                 LOG.info("RPC addPerson : person added successfully [{}]", person);
  89                 regs.add(rpcProviderService.registerRpcImplementation(CarPurchaseService.class, rpcImplementation,
  90                     ImmutableSet.of(personId)));
  91                 LOG.info("RPC addPerson : routed rpc registered for instance ID [{}]", personId);
  92                 futureResult.set(RpcResultBuilder.success(new AddPersonOutputBuilder().build()).build());
  93             }
  94
  95             @Override
  96             public void onFailure(final Throwable ex) {
  97                 LOG.error("RPC addPerson : person addition failed [{}]", person, ex);
  98                 futureResult.set(RpcResultBuilder.<AddPersonOutput>failed()
  99                         .withError(ErrorType.APPLICATION, ex.getMessage()).build());
 100             }
 101         }, MoreExecutors.directExecutor());
 102         return futureResult;
 103     }
 104
 105     @PreDestroy
 106     @Deactivate
 107     @Override
 108     public void close() {
 109         regs.forEach(ObjectRegistration::close);
 110         regs.clear();
 111     }
 112 }