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.
   */
  
  import org.apache.spark.api.java.*;
  import org.apache.spark.api.java.function.Function;
  
  public class SimpleApp {
    public static void main(String[] args) {
      String logFile = "input.txt";
      JavaSparkContext sc = new JavaSparkContext("local", "Simple App");
      JavaRDD<String> logData = sc.textFile(logFile).cache();
  
      long numAs = logData.filter(new Function<String, Boolean>() {
        public Boolean call(String s) { return s.contains("a"); }
      }).count();
  
      long numBs = logData.filter(new Function<String, Boolean>() {
        public Boolean call(String s) { return s.contains("b"); }
      }).count();
  
     if (numAs != 2 || numBs != 2) {
       System.out.println("Failed to parse log files with Spark");
       System.exit(-1);
     }
     System.out.println("Test succeeded");
    }
  }
  