[GitHub] [incubator-wayang] github-actions[bot] opened a new issue, #245: cannot be always string, include definition for every operator

[GitBox <gi...@apache.org>]

github-actions[bot] opened a new issue, #245:
URL: https://github.com/apache/incubator-wayang/issues/245

   cannot be always string, include definition for every operator
   
   like: map(udf, inputtype, outputtype)
   
   https://github.com/apache/incubator-wayang/blob/d859a97d43a8c3c3c964150eaff8f3833e41ea75/wayang-api/wayang-api-python/src/main/java/org/apache/wayang/api/python/executor/ProcessReceiver.java#L26
   
   ```java
   
   /*
    * 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 = 1 * 1024;
   
               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()));
   
       }
   }
   
   ```
   
   00389544ba283bb371a70c4a4ad058235b6a4288


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