content: /*
   * 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 eu.amidst.flinklink.examples.misc;
  
  
  import org.apache.flink.api.common.functions.FlatMapFunction;
  import org.apache.flink.api.java.tuple.Tuple2;
  import org.apache.flink.streaming.api.datastream.DataStream;
  import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
  import org.apache.flink.util.Collector;
  
  /**
   * Created by andresmasegosa on 1/9/15.
   */
  public class StreamWordCountExample {
  
      public static void main(String[] args) throws Exception {
  
          StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
  
          DataStream<Tuple2<String, Integer>> dataStream = env
                  .fromElements("Who's there?",
                          "I think I hear them. Stand, ho! Who's there?")
                  //.socketTextStream("localhost", 9999)
                  .flatMap(new Splitter())
                  .keyBy(0)
                  .sum(1);
  
          dataStream.print();
  
          env.execute();
  
          //env.execute("Socket Stream WordCount");
      }
  
      public static class Splitter implements FlatMapFunction<String, Tuple2<String, Integer>> {
          @Override
          public void flatMap(String sentence, Collector<Tuple2<String, Integer>> out) throws Exception {
              for (String word: sentence.split(" ")) {
                  out.collect(new Tuple2<String, Integer>(word, 1));
              }
          }
      }
  
  }
  