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 com.google.common.collect.Sets;
  17 import java.util.Set;
  18 import javax.annotation.Nonnull;
  19 import org.opendaylight.controller.cluster.schema.provider.RemoteYangTextSourceProvider;
  20 import org.opendaylight.controller.cluster.schema.provider.impl.YangTextSchemaSourceSerializationProxy;
  21 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologyUtils;
  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
  32     public ProxyYangTextSourceProvider(final ActorRef masterRef, final ActorContext actorContext) {
  33         this.masterRef = masterRef;
  34         this.actorContext = actorContext;
  35     }
  36
  37     @Override
  38     public Future<Set<SourceIdentifier>> getProvidedSources() {
  39         // NOOP
  40         return Futures.successful(Sets.newHashSet());
  41     }
  42
  43     @Override
  44     public Future<YangTextSchemaSourceSerializationProxy> getYangTextSchemaSource(
  45             @Nonnull final SourceIdentifier sourceIdentifier) {
  46
  47         final Future<Object> scalaFuture = Patterns.ask(masterRef,
  48                 new YangTextSchemaSourceRequest(sourceIdentifier), NetconfTopologyUtils.TIMEOUT);
  49
  50         final Promise.DefaultPromise<YangTextSchemaSourceSerializationProxy> promise = new Promise.DefaultPromise<>();
  51
  52         scalaFuture.onComplete(new OnComplete<Object>() {
  53             @Override
  54             public void onComplete(final Throwable failure, final Object success) throws Throwable {
  55                 if (failure != null) {
  56                     promise.failure(failure);
  57                     return;
  58                 }
  59                 if (success instanceof Throwable) {
  60                     promise.failure((Throwable) success);
  61                     return;
  62                 }
  63                 promise.success((YangTextSchemaSourceSerializationProxy) success);
  64             }
  65         }, actorContext.dispatcher());
  66
  67         return promise.future();
  68
  69     }
  70 }