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 package org.opendaylight.netconf.topology.singleton.impl;
   9
  10 import akka.actor.ActorRef;
  11 import akka.dispatch.Futures;
  12 import akka.dispatch.OnComplete;
  13 import akka.pattern.Patterns;
  14 import akka.util.Timeout;
  15 import java.util.Collections;
  16 import java.util.Set;
  17 import org.opendaylight.controller.cluster.schema.provider.RemoteYangTextSourceProvider;
  18 import org.opendaylight.controller.cluster.schema.provider.impl.YangTextSchemaSourceSerializationProxy;
  19 import org.opendaylight.netconf.topology.singleton.messages.YangTextSchemaSourceRequest;
  20 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
  21 import scala.concurrent.ExecutionContext;
  22 import scala.concurrent.Future;
  23 import scala.concurrent.impl.Promise;
  24
  25 public class ProxyYangTextSourceProvider implements RemoteYangTextSourceProvider {
  26
  27     private final ActorRef masterRef;
  28     private final ExecutionContext executionContext;
  29     private final Timeout actorResponseWaitTime;
  30
  31     public ProxyYangTextSourceProvider(final ActorRef masterRef, final ExecutionContext executionContext,
  32                                        final Timeout actorResponseWaitTime) {
  33         this.masterRef = masterRef;
  34         this.executionContext = executionContext;
  35         this.actorResponseWaitTime = actorResponseWaitTime;
  36     }
  37
  38     @Override
  39     public Future<Set<SourceIdentifier>> getProvidedSources() {
  40         // NOOP
  41         return Futures.successful(Collections.emptySet());
  42     }
  43
  44     @Override
  45     public Future<YangTextSchemaSourceSerializationProxy> getYangTextSchemaSource(
  46             final SourceIdentifier sourceIdentifier) {
  47
  48         final Future<Object> scalaFuture = Patterns.ask(masterRef,
  49                 new YangTextSchemaSourceRequest(sourceIdentifier), actorResponseWaitTime);
  50
  51         final Promise.DefaultPromise<YangTextSchemaSourceSerializationProxy> promise = new Promise.DefaultPromise<>();
  52
  53         scalaFuture.onComplete(new OnComplete<Object>() {
  54             @Override
  55             public void onComplete(final Throwable failure, final Object success) {
  56                 if (failure != null) {
  57                     promise.failure(failure);
  58                     return;
  59                 }
  60
  61                 promise.success((YangTextSchemaSourceSerializationProxy) success);
  62             }
  63         }, executionContext);
  64
  65         return promise.future();
  66     }
  67 }