netconf/netconf-topology-singleton/src/main/java/org/opendaylight/netconf/topology/singleton/impl/ProxyYangTextSourceProvider.java

   1 /*
   2  * Copyright (c) 2016 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.netconf.topology.singleton.impl;
  10
  11 import akka.actor.ActorContext;
  12 import akka.actor.ActorRef;
  13 import akka.dispatch.Futures;
  14 import akka.dispatch.OnComplete;
  15 import akka.pattern.Patterns;
  16 import akka.util.Timeout;
  17 import com.google.common.collect.Sets;
  18 import java.util.Set;
  19 import javax.annotation.Nonnull;
  20 import org.opendaylight.controller.cluster.schema.provider.RemoteYangTextSourceProvider;
  21 import org.opendaylight.controller.cluster.schema.provider.impl.YangTextSchemaSourceSerializationProxy;
  22 import org.opendaylight.netconf.topology.singleton.messages.YangTextSchemaSourceRequest;
  23 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
  24 import scala.concurrent.Future;
  25 import scala.concurrent.impl.Promise;
  26
  27 public class ProxyYangTextSourceProvider implements RemoteYangTextSourceProvider {
  28
  29     private final ActorRef masterRef;
  30     private final ActorContext actorContext;
  31     private final Timeout actorResponseWaitTime;
  32
  33     public ProxyYangTextSourceProvider(final ActorRef masterRef, final ActorContext actorContext,
  34                                        final Timeout actorResponseWaitTime) {
  35         this.masterRef = masterRef;
  36         this.actorContext = actorContext;
  37         this.actorResponseWaitTime = actorResponseWaitTime;
  38     }
  39
  40     @Override
  41     public Future<Set<SourceIdentifier>> getProvidedSources() {
  42         // NOOP
  43         return Futures.successful(Sets.newHashSet());
  44     }
  45
  46     @Override
  47     public Future<YangTextSchemaSourceSerializationProxy> getYangTextSchemaSource(
  48             @Nonnull final SourceIdentifier sourceIdentifier) {
  49
  50         final Future<Object> scalaFuture = Patterns.ask(masterRef,
  51                 new YangTextSchemaSourceRequest(sourceIdentifier), actorResponseWaitTime);
  52
  53         final Promise.DefaultPromise<YangTextSchemaSourceSerializationProxy> promise = new Promise.DefaultPromise<>();
  54
  55         scalaFuture.onComplete(new OnComplete<Object>() {
  56             @Override
  57             public void onComplete(final Throwable failure, final Object success) throws Throwable {
  58                 if (failure != null) {
  59                     promise.failure(failure);
  60                     return;
  61                 }
  62                 if (success instanceof Throwable) {
  63                     promise.failure((Throwable) success);
  64                     return;
  65                 }
  66                 promise.success((YangTextSchemaSourceSerializationProxy) success);
  67             }
  68         }, actorContext.dispatcher());
  69
  70         return promise.future();
  71
  72     }
  73 }