| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.gearpump.akkastream.task |
| |
| import org.apache.gearpump.Message |
| import org.apache.gearpump.cluster.UserConfig |
| import org.apache.gearpump.streaming.task.TaskContext |
| |
| import scala.concurrent.Future |
| |
| class MapAsyncTask[In, Out](context: TaskContext, userConf : UserConfig) |
| extends GraphTask(context, userConf) { |
| |
| val f = userConf.getValue[In => Future[Out]](MapAsyncTask.MAPASYNC_FUNC) |
| implicit val ec = context.system.dispatcher |
| |
| override def onNext(msg : Message) : Unit = { |
| val data = msg.msg.asInstanceOf[In] |
| val time = msg.timestamp |
| f match { |
| case Some(func) => |
| val fout = func(data) |
| fout.onComplete(value => { |
| value.foreach(out => { |
| val msg = new Message(out, time) |
| context.output(msg) |
| }) |
| }) |
| case None => |
| } |
| } |
| } |
| |
| object MapAsyncTask { |
| val MAPASYNC_FUNC = "MAPASYNC_FUNC" |
| |
| } |