| /* |
| * 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.wayang.api.python.executor; |
| |
| import java.io.BufferedInputStream; |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| import java.net.Socket; |
| import java.util.Iterator; |
| /*TODO cannot be always string, include definition for every operator |
| * like: map(udf, inputtype, outputtype)*/ |
| public class ProcessReceiver<Output> { |
| |
| private ReaderIterator<Output> iterator; |
| |
| public ProcessReceiver(Socket socket){ |
| try{ |
| //TODO use config buffer size |
| int BUFFER_SIZE = 8192; |
| |
| DataInputStream stream = new DataInputStream(new BufferedInputStream(socket.getInputStream(), BUFFER_SIZE)); |
| this.iterator = new ReaderIterator<>(stream); |
| |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| public Iterable<Output> getIterable(){ |
| return () -> iterator; |
| } |
| |
| public void print(){ |
| iterator.forEachRemaining(x -> System.out.println(x.toString())); |
| |
| } |
| } |