Example usage for org.apache.hadoop.mapreduce Job setJobName

Introduction

In this page you can find the example usage for org.apache.hadoop.mapreduce Job setJobName.

Prototype

public void setJobName(String name) throws IllegalStateException 

Source Link

Document

Set the user-specified job name.

Usage

From source file:ExtractTopPersonalizedPageRankNodes.java

License:Apache License

/**
 * Runs this tool./*from   w w w . ja  v a 2  s. c  o  m*/
 */
@SuppressWarnings({ "static-access" })
public int run(String[] args) throws Exception {
    Options options = new Options();

    options.addOption(OptionBuilder.withArgName("path").hasArg().withDescription("input path").create(INPUT));
    options.addOption(OptionBuilder.withArgName("path").hasArg().withDescription("output path").create(OUTPUT));
    options.addOption(OptionBuilder.withArgName("num").hasArg().withDescription("top n").create(TOP));
    options.addOption(OptionBuilder.withArgName("src").hasArg().withDescription("source node").create(SRC));

    CommandLine cmdline;
    CommandLineParser parser = new GnuParser();

    try {
        cmdline = parser.parse(options, args);
    } catch (ParseException exp) {
        System.err.println("Error parsing command line: " + exp.getMessage());
        return -1;
    }

    if (!cmdline.hasOption(INPUT) || !cmdline.hasOption(TOP)) {
        System.out.println("args: " + Arrays.toString(args));
        HelpFormatter formatter = new HelpFormatter();
        formatter.setWidth(120);
        formatter.printHelp(this.getClass().getName(), options);
        ToolRunner.printGenericCommandUsage(System.out);
        return -1;
    }

    String inputPath = cmdline.getOptionValue(INPUT);
    String outputPath = "abc";//cmdline.getOptionValue(OUTPUT);
    int n = Integer.parseInt(cmdline.getOptionValue(TOP));

    //LOG.info("Tool name: " + ExtractTopPersonalizedPageRankNodes.class.getSimpleName());
    //LOG.info(" - input: " + inputPath);
    //LOG.info(" - output: " + outputPath);
    //LOG.info(" - top: " + n);

    Configuration conf = getConf();
    conf.setInt("mapred.min.split.size", 1024 * 1024 * 1024);
    conf.setInt(TOP_PG, n);

    Job job = Job.getInstance(conf);
    job.setJobName(ExtractTopPersonalizedPageRankNodes.class.getName() + ":" + inputPath);
    job.setJarByClass(ExtractTopPersonalizedPageRankNodes.class);

    job.setNumReduceTasks(1);

    FileInputFormat.addInputPath(job, new Path(inputPath));
    FileOutputFormat.setOutputPath(job, new Path(outputPath));

    job.setInputFormatClass(SequenceFileInputFormat.class);
    job.setOutputFormatClass(TextOutputFormat.class);

    job.setMapOutputKeyClass(PairOfIntFloat.class);
    job.setMapOutputValueClass(IntWritable.class);

    job.setOutputKeyClass(FloatWritable.class);
    job.setOutputValueClass(IntWritable.class);

    job.setMapperClass(MyMapper.class);
    job.setPartitionerClass(MyPartitioner.class);
    job.setReducerClass(MyReducer.class);

    // Delete the output directory if it exists already.
    FileSystem.get(conf).delete(new Path(outputPath), true);

    job.waitForCompletion(true);

    FileSystem fileSystem = FileSystem.get(conf);
    Path path = new Path(outputPath + "/part-r-00000");
    ;
    //MapFile.Reader reader = new MapFile.Reader(new Path(outputPath+ "/part-r-00000"),conf);

    // InputStream fis=new FileInputStream(outputPath+"/part-r-00000");
    BufferedReader br = new BufferedReader(new InputStreamReader(fileSystem.open(path)));
    String s;
    float key;//=new FloatWritable();
    int value;//=new IntWritable();
    while ((s = br.readLine()) != null) {
        String[] sources = s.split("\\s+");
        key = Float.parseFloat(sources[0]);
        value = Integer.parseInt(sources[1]);
        if (key == 0.0f) {
            System.out.print("\n" + "Source: " + value + "\n");
        } else {
            System.out.print(String.format("%.5f %d", key, value) + "\n");
        }
    }
    //reader.close();
    br.close();

    //while(!SysOut.isEmpty())
    //{
    //   System.out.print(SysOut.poll());
    //}

    return 0;
}

---

From source file:BigramRelativeFrequencyJson.java

License:Apache License

/**
 * Runs this tool./*from ww w . j a v a2s.c  o  m*/
 */
public int run(String[] args) throws Exception {
    if (args.length != 3) {
        printUsage();
        return -1;
    }

    String inputPath = args[0];
    String outputPath = args[1];
    int reduceTasks = Integer.parseInt(args[2]);

    LOG.info("Tool name: " + BigramRelativeFrequencyJson.class.getSimpleName());
    LOG.info(" - input path: " + inputPath);
    LOG.info(" - output path: " + outputPath);
    LOG.info(" - num reducers: " + reduceTasks);

    Job job = Job.getInstance(getConf());
    job.setJobName(BigramRelativeFrequencyJson.class.getSimpleName());
    job.setJarByClass(BigramRelativeFrequencyJson.class);

    job.setNumReduceTasks(reduceTasks);

    FileInputFormat.setInputPaths(job, new Path(inputPath));
    FileOutputFormat.setOutputPath(job, new Path(outputPath));

    job.setMapOutputKeyClass(MyTuple.class);
    job.setMapOutputValueClass(FloatWritable.class);
    job.setOutputKeyClass(MyTuple.class);
    job.setOutputValueClass(FloatWritable.class);
    job.setOutputFormatClass(SequenceFileOutputFormat.class);

    job.setMapperClass(MyMapper.class);
    job.setCombinerClass(MyCombiner.class);
    job.setReducerClass(MyReducer.class);
    job.setPartitionerClass(MyPartitioner.class);

    // Delete the output directory if it exists already.
    Path outputDir = new Path(outputPath);
    FileSystem.get(getConf()).delete(outputDir, true);

    long startTime = System.currentTimeMillis();
    job.waitForCompletion(true);
    System.out.println("Job Finished in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");

    return 0;
}

---

From source file:PairsPMI_M.java

License:Apache License

/**
 * Runs this tool./*from  www . ja v  a  2 s .com*/
 */
@SuppressWarnings({ "static-access" })
public int run(String[] args) throws Exception {
    Options options = new Options();

    options.addOption(OptionBuilder.withArgName("path").hasArg().withDescription("input path").create(INPUT));
    options.addOption(OptionBuilder.withArgName("path").hasArg().withDescription("output path").create(OUTPUT));
    options.addOption(OptionBuilder.withArgName("num").hasArg().withDescription("number of reducers")
            .create(NUM_REDUCERS));

    CommandLine cmdline;
    CommandLineParser parser = new GnuParser();

    try {
        cmdline = parser.parse(options, args);
    } catch (ParseException exp) {
        System.err.println("Error parsing command line: " + exp.getMessage());
        return -1;
    }

    if (!cmdline.hasOption(INPUT) || !cmdline.hasOption(OUTPUT)) {
        System.out.println("args: " + Arrays.toString(args));
        HelpFormatter formatter = new HelpFormatter();
        formatter.setWidth(120);
        formatter.printHelp(this.getClass().getName(), options);
        ToolRunner.printGenericCommandUsage(System.out);
        return -1;
    }

    // First MapReduce Job

    String inputPath = cmdline.getOptionValue(INPUT);
    String outputPath = cmdline.getOptionValue(OUTPUT);
    int reduceTasks = cmdline.hasOption(NUM_REDUCERS) ? Integer.parseInt(cmdline.getOptionValue(NUM_REDUCERS))
            : 1;

    LOG.info("Tool name: " + PairsPMI_M.class.getSimpleName());
    LOG.info(" - input path: " + inputPath);
    LOG.info(" - output path: " + outputPath);
    LOG.info(" - tmp path: " + outputPath + "/tmp");
    LOG.info(" - num reducers: " + reduceTasks);

    Job job = Job.getInstance(getConf());
    job.setJobName(PairsPMI_M.class.getSimpleName());
    job.setJarByClass(PairsPMI_M.class);

    // Delete the tmp directory if it exists already
    Path tmpDir = new Path("tmp_wj");
    FileSystem.get(getConf()).delete(tmpDir, true);

    job.setNumReduceTasks(reduceTasks);

    FileInputFormat.setInputPaths(job, new Path(inputPath));
    FileOutputFormat.setOutputPath(job, new Path("tmp_wj"));

    job.setMapOutputKeyClass(PairOfStrings.class);
    job.setMapOutputValueClass(FloatWritable.class);
    job.setOutputKeyClass(PairOfStrings.class);
    job.setOutputValueClass(FloatWritable.class);

    job.setOutputFormatClass(SequenceFileOutputFormat.class);
    //    job.setOutputFormatClass(TextOutputFormat.class);

    job.setMapperClass(MyMapper.class);
    job.setCombinerClass(MyCombiner.class);
    job.setReducerClass(MyReducer.class);
    job.setPartitionerClass(MyPartitioner.class);

    long startTime = System.currentTimeMillis();
    job.waitForCompletion(true);
    double time1 = (System.currentTimeMillis() - startTime) / 1000.0;
    System.out.println("Job Finished in " + time1 + " seconds");
    numRecords = job.getCounters().findCounter("org.apache.hadoop.mapred.Task$Counter", "MAP_INPUT_RECORDS")
            .getValue();

    /*
     *  Second MapReduce Job
     */

    LOG.info("Tool name: " + PairsPMI_M.class.getSimpleName());
    LOG.info("second stage of MapReduce");
    LOG.info(" - input from tmp path: " + outputPath + "/tmp_wj");
    LOG.info(" - output path: " + outputPath);
    LOG.info(" - num reducers: " + reduceTasks);

    // set the global variable
    Configuration conf = getConf();
    conf.setLong("numRec", numRecords);

    job = Job.getInstance(getConf());
    job.setJobName(PairsPMI_M.class.getSimpleName());
    job.setJarByClass(PairsPMI_M.class);

    // Delete the output directory if it exists already
    Path outputDir = new Path(outputPath);
    FileSystem.get(getConf()).delete(outputDir, true);

    job.setNumReduceTasks(reduceTasks);
    FileInputFormat.setInputPaths(job, new Path("tmp_wj/part*"));
    FileOutputFormat.setOutputPath(job, new Path(outputPath));

    job.setMapOutputKeyClass(PairOfStrings.class);
    job.setMapOutputValueClass(FloatWritable.class);
    // job.setOutputKeyClass(PairOfStrings.class);
    job.setOutputKeyClass(Text.class);

    job.setOutputValueClass(FloatWritable.class);
    job.setInputFormatClass(SequenceFileInputFormat.class);
    //   job.setOutputFormatClass(SequenceFileOutputFormat.class);
    job.setOutputFormatClass(TextOutputFormat.class);

    job.setMapperClass(MyMapperSecond.class);
    //    job.setCombinerClass(MyCombiner.class);
    job.setReducerClass(MyReducerSecond.class);
    job.setPartitionerClass(MyPartitioner.class);

    startTime = System.currentTimeMillis();
    job.waitForCompletion(true);
    double time2 = (System.currentTimeMillis() - startTime) / 1000.0;
    System.out.println("Second job finished in " + time2 + " seconds");
    System.out.println("Total time: " + (time1 + time2) + " seconds");

    return 0;
}

---

From source file:Top20AZRestaurants.java

@Override
public int run(String[] args) throws Exception {
    Job job1 = new Job(getConf());
    job1.setSortComparatorClass(MyDecreasingDoubleComparator.class);
    job1.setJobName("Top20 AZ Restaurants ChainJob");
    job1.setJarByClass(Top20AZRestaurants.class);

    JobConf map1Conf = new JobConf(false);
    ChainMapper.addMapper(job1, Top20Mapper.class, LongWritable.class, Text.class, Text.class, Text.class,
            map1Conf);//from  ww w  . jav a2  s  .c om
    JobConf map2Conf = new JobConf(false);
    ChainMapper.addMapper(job1, Top20MapperRedo.class, Text.class, Text.class, DoubleWritable.class, Text.class,
            map2Conf);
    JobConf reduceConf = new JobConf(false);
    ChainReducer.setReducer(job1, Top20ReducerRedo.class, DoubleWritable.class, Text.class, Text.class,
            DoubleWritable.class, reduceConf);
    FileInputFormat.setInputPaths(job1, new Path(args[0]));
    FileOutputFormat.setOutputPath(job1, new Path(args[1]));

    boolean success = job1.waitForCompletion(true);
    return success ? 0 : 1;
}

---

From source file:ComputeCooccurrenceMatrixStripes.java

License:Apache License

/**
 * Runs this tool.//from w  ww .j av  a 2 s  .c o  m
 */
@SuppressWarnings({ "static-access" })
public int run(String[] args) throws Exception {
    Options options = new Options();

    options.addOption(OptionBuilder.withArgName("path").hasArg().withDescription("input path").create(INPUT));
    options.addOption(OptionBuilder.withArgName("path").hasArg().withDescription("output path").create(OUTPUT));
    options.addOption(OptionBuilder.withArgName("num").hasArg().withDescription("window size").create(WINDOW));
    options.addOption(OptionBuilder.withArgName("num").hasArg().withDescription("number of reducers")
            .create(NUM_REDUCERS));

    CommandLine cmdline;
    CommandLineParser parser = new GnuParser();

    try {
        cmdline = parser.parse(options, args);
    } catch (ParseException exp) {
        System.err.println("Error parsing command line: " + exp.getMessage());
        return -1;
    }

    if (!cmdline.hasOption(INPUT) || !cmdline.hasOption(OUTPUT)) {
        System.out.println("args: " + Arrays.toString(args));
        HelpFormatter formatter = new HelpFormatter();
        formatter.setWidth(120);
        formatter.printHelp(this.getClass().getName(), options);
        ToolRunner.printGenericCommandUsage(System.out);
        return -1;
    }

    String inputPath = cmdline.getOptionValue(INPUT);
    String outputPath = cmdline.getOptionValue(OUTPUT);
    int reduceTasks = cmdline.hasOption(NUM_REDUCERS) ? Integer.parseInt(cmdline.getOptionValue(NUM_REDUCERS))
            : 1;
    int window = cmdline.hasOption(WINDOW) ? Integer.parseInt(cmdline.getOptionValue(WINDOW)) : 2;

    LOG.info("Tool: " + ComputeCooccurrenceMatrixStripes.class.getSimpleName());
    LOG.info(" - input path: " + inputPath);
    LOG.info(" - output path: " + outputPath);
    LOG.info(" - window: " + window);
    LOG.info(" - number of reducers: " + reduceTasks);

    Job job = Job.getInstance(getConf());
    job.setJobName(ComputeCooccurrenceMatrixStripes.class.getSimpleName());
    job.setJarByClass(ComputeCooccurrenceMatrixStripes.class);

    // Delete the output directory if it exists already.
    Path outputDir = new Path(outputPath);
    FileSystem.get(getConf()).delete(outputDir, true);

    job.getConfiguration().setInt("window", window);

    job.setNumReduceTasks(reduceTasks);

    FileInputFormat.setInputPaths(job, new Path(inputPath));
    FileOutputFormat.setOutputPath(job, new Path(outputPath));

    job.setMapOutputKeyClass(Text.class);
    job.setOutputValueClass(String2IntOpenHashMapWritable.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(String2IntOpenHashMapWritable.class);

    job.setMapperClass(MyMapper.class);
    job.setCombinerClass(MyReducer.class);
    job.setReducerClass(MyReducer.class);

    long startTime = System.currentTimeMillis();
    job.waitForCompletion(true);
    System.out.println("Job Finished in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");

    return 0;
}

---

From source file:BuildPageRankRecords.java

License:Apache License

/**
 * Runs this tool./*from w ww . j  av a 2s .c  o m*/
 */
@SuppressWarnings({ "static-access" })
public int run(String[] args) throws Exception {
    Options options = new Options();

    options.addOption(OptionBuilder.withArgName("path").hasArg().withDescription("input path").create(INPUT));
    options.addOption(OptionBuilder.withArgName("path").hasArg().withDescription("output path").create(OUTPUT));
    options.addOption(
            OptionBuilder.withArgName("num").hasArg().withDescription("number of nodes").create(NUM_NODES));

    CommandLine cmdline;
    CommandLineParser parser = new GnuParser();

    try {
        cmdline = parser.parse(options, args);
    } catch (ParseException exp) {
        System.err.println("Error parsing command line: " + exp.getMessage());
        return -1;
    }

    if (!cmdline.hasOption(INPUT) || !cmdline.hasOption(OUTPUT) || !cmdline.hasOption(NUM_NODES)) {
        System.out.println("args: " + Arrays.toString(args));
        HelpFormatter formatter = new HelpFormatter();
        formatter.setWidth(120);
        formatter.printHelp(this.getClass().getName(), options);
        ToolRunner.printGenericCommandUsage(System.out);
        return -1;
    }

    String inputPath = cmdline.getOptionValue(INPUT);
    String outputPath = cmdline.getOptionValue(OUTPUT);
    int n = Integer.parseInt(cmdline.getOptionValue(NUM_NODES));

    LOG.info("Tool name: " + BuildPageRankRecords.class.getSimpleName());
    LOG.info(" - inputDir: " + inputPath);
    LOG.info(" - outputDir: " + outputPath);
    LOG.info(" - numNodes: " + n);

    Configuration conf = getConf();
    conf.setInt(NODE_CNT_FIELD, n);
    conf.setInt("mapred.min.split.size", 1024 * 1024 * 1024);

    Job job = Job.getInstance(conf);
    job.setJobName(BuildPageRankRecords.class.getSimpleName() + ":" + inputPath);
    job.setJarByClass(BuildPageRankRecords.class);

    job.setNumReduceTasks(0);

    FileInputFormat.addInputPath(job, new Path(inputPath));
    FileOutputFormat.setOutputPath(job, new Path(outputPath));

    job.setInputFormatClass(TextInputFormat.class);
    job.setOutputFormatClass(SequenceFileOutputFormat.class);

    job.setMapOutputKeyClass(IntWritable.class);
    job.setMapOutputValueClass(PageRankNode.class);

    job.setOutputKeyClass(IntWritable.class);
    job.setOutputValueClass(PageRankNode.class);

    job.setMapperClass(MyMapper.class);

    // Delete the output directory if it exists already.
    FileSystem.get(conf).delete(new Path(outputPath), true);

    job.waitForCompletion(true);

    return 0;
}

---

From source file:BigramRelativeFrequencyTuple.java

License:Apache License

/**
 * Runs this tool.//from   w  w w . j av a  2  s .c  o  m
 */
public int run(String[] args) throws Exception {
    if (args.length != 3) {
        printUsage();
        return -1;
    }

    String inputPath = args[0];
    String outputPath = args[1];
    int reduceTasks = Integer.parseInt(args[2]);

    LOG.info("Tool name: " + BigramRelativeFrequencyTuple.class.getSimpleName());
    LOG.info(" - input path: " + inputPath);
    LOG.info(" - output path: " + outputPath);
    LOG.info(" - num reducers: " + reduceTasks);

    Job job = Job.getInstance(getConf());
    job.setJobName(BigramRelativeFrequencyTuple.class.getSimpleName());
    job.setJarByClass(BigramRelativeFrequencyTuple.class);

    job.setNumReduceTasks(reduceTasks);

    FileInputFormat.setInputPaths(job, new Path(inputPath));
    FileOutputFormat.setOutputPath(job, new Path(outputPath));

    job.setMapOutputKeyClass(BinSedesTuple.class);
    job.setMapOutputValueClass(FloatWritable.class);
    job.setOutputKeyClass(BinSedesTuple.class);
    job.setOutputValueClass(FloatWritable.class);
    job.setOutputFormatClass(SequenceFileOutputFormat.class);

    job.setMapperClass(MyMapper.class);
    job.setCombinerClass(MyCombiner.class);
    job.setReducerClass(MyReducer.class);
    job.setPartitionerClass(MyPartitioner.class);

    // Delete the output directory if it exists already.
    Path outputDir = new Path(outputPath);
    FileSystem.get(getConf()).delete(outputDir, true);

    long startTime = System.currentTimeMillis();
    job.waitForCompletion(true);
    System.out.println("Job Finished in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");

    return 0;
}

---

From source file:a.b.c.MultiFileWordCount.java

License:Apache License

public int run(String[] args) throws Exception {

    if (args.length < 2) {
        printUsage();/*from   ww  w .jav  a2s.  c o  m*/
        return 2;
    }

    Job job = new Job(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
}

---

From source file:alluxio.examples.keyvalue.hadoop.CloneStoreMapReduce.java

License:Apache License

/**
 * @param args two parameters, the first is the input key-value store path, the second is the
 *    output key-value store path// w ww.  j a  va2s .  com
 * @throws Exception if any exception happens
 */
public static void main(String[] args) throws Exception {
    Configuration conf = new Configuration();

    // NOTE(binfan): we are using the deprecated constructor of Job instance to compile with
    // hadoop-1.0. If this is not a concern, a better way is
    //     Job job = Job.getInstance(conf);
    Job job = new Job(conf);

    job.setJobName("CloneStoreMapReduce");
    job.setJarByClass(CloneStoreMapReduce.class);

    job.setOutputKeyClass(BytesWritable.class);
    job.setOutputValueClass(BytesWritable.class);

    job.setMapperClass(CloneStoreMapper.class);
    job.setReducerClass(CloneStoreReducer.class);

    job.setInputFormatClass(KeyValueInputFormat.class);
    job.setOutputFormatClass(KeyValueOutputFormat.class);

    FileInputFormat.setInputPaths(job, new Path(args[0]));
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    System.exit(job.waitForCompletion(true) ? 0 : 1);
}

---

From source file:arpserver.HadoopTool.java

@Override
public int run(String[] strings) throws Exception {
    Configuration conf = new Configuration();
    String in = strings[0];/*  w w  w .j a  v a2  s .c  o m*/
    String out = strings[1];
    FileSystem fs = FileSystem.get(conf);
    if (fs.exists(new Path(out))) {
        fs.delete(new Path(out), true);
        fs.delete(new Path(out + "Src"), true);
        fs.delete(new Path(out + "Mitm"), true);
        fs.delete(new Path(out + "ArpScn"), true);
        fs.delete(new Path(out + "s"), true);
        fs.delete(new Path(out + "d"), true);
        fs.delete(new Path(out + "t"), true);
    }
    Job job = new Job();
    Job job2 = new Job();
    Job job3 = new Job();
    Job job4 = new Job();
    Job job5 = new Job();
    Job job6 = new Job();
    Job job7 = new Job();
    job.setJobName("Q");
    job2.setJobName("Src");
    job3.setJobName("Mitm");
    job4.setJobName("ArpScn");
    job5.setJobName("s");
    job6.setJobName("d");
    job7.setJobName("time");
    job.setJarByClass(QuickDetect.class);

    job.setMapperClass(Qmapper.class);
    job.setReducerClass(Qreducer.class);

    job2.setMapperClass(Srcmapper.class);
    job2.setReducerClass(Srcreducer.class);

    job3.setMapperClass(ArpScanmapper.class);
    job3.setReducerClass(ArpScanreducer.class);

    job4.setMapperClass(Mitmmapper.class);
    job4.setReducerClass(Mitmreducer.class);

    job5.setMapperClass(Smapper.class);
    job5.setReducerClass(Sreducer.class);

    job6.setMapperClass(Dmapper.class);
    job6.setReducerClass(Dreducer.class);

    job7.setMapperClass(timemapper.class);
    job7.setReducerClass(timereducer.class);
    //testFinal168.txt
    job.setOutputKeyClass(NullWritable.class);
    job.setOutputValueClass(Text.class);

    job2.setOutputKeyClass(NullWritable.class);
    job2.setOutputValueClass(Text.class);

    job3.setOutputKeyClass(NullWritable.class);
    job3.setOutputValueClass(IntWritable.class);

    job4.setOutputKeyClass(NullWritable.class);
    job4.setOutputValueClass(Text.class);

    job5.setOutputKeyClass(NullWritable.class);
    job5.setOutputValueClass(Text.class);

    job6.setOutputKeyClass(NullWritable.class);
    job6.setOutputValueClass(Text.class);

    job7.setOutputKeyClass(NullWritable.class);
    job7.setOutputValueClass(Text.class);

    job.setMapOutputKeyClass(QuickDetect.class);
    job.setMapOutputValueClass(IntWritable.class);
    //job.setOutputFormatClass(YearMultipleTextOutputFormat.class);
    job2.setMapOutputKeyClass(DetectSrc.class);
    job2.setMapOutputValueClass(IntWritable.class);

    job3.setMapOutputKeyClass(DetectArpScan.class);
    job3.setMapOutputValueClass(IntWritable.class);

    job4.setMapOutputKeyClass(DetectMitm.class);
    job4.setMapOutputValueClass(IntWritable.class);

    job5.setMapOutputKeyClass(SMac.class);
    job5.setMapOutputValueClass(IntWritable.class);

    job6.setMapOutputKeyClass(DMac.class);
    job6.setMapOutputValueClass(IntWritable.class);

    job7.setMapOutputKeyClass(timeMac.class);
    job7.setMapOutputValueClass(IntWritable.class);

    FileInputFormat.addInputPath(job, new Path(in));
    FileOutputFormat.setOutputPath(job, new Path(out));
    if (job.waitForCompletion(true)) {
        FileInputFormat.addInputPath(job2, new Path(in));
        FileOutputFormat.setOutputPath(job2, new Path(out + "Src"));
        if (job2.waitForCompletion(true)) {
            FileInputFormat.addInputPath(job3, new Path(in));
            FileOutputFormat.setOutputPath(job3, new Path(out + "ArpScn"));
            if (job3.waitForCompletion(true)) {
                FileInputFormat.addInputPath(job4, new Path(in));
                FileOutputFormat.setOutputPath(job4, new Path(out + "Mitm"));
                if (job4.waitForCompletion(true)) {
                    FileInputFormat.addInputPath(job5, new Path(in));
                    FileOutputFormat.setOutputPath(job5, new Path(out + "s"));
                    if (job5.waitForCompletion(true)) {
                        FileInputFormat.addInputPath(job6, new Path(in));
                        FileOutputFormat.setOutputPath(job6, new Path(out + "d"));
                        if (job6.waitForCompletion(true)) {
                            FileInputFormat.addInputPath(job7, new Path(in));
                            FileOutputFormat.setOutputPath(job7, new Path(out + "t"));
                            job7.waitForCompletion(true);
                        } else {
                            return 1;
                        }
                    } else {
                        return 1;
                    }
                } else {
                    return 1;
                }
            } else {
                return 1;
            }
        } else {
            return 1;
        }
    } else {
        return 1;
    }
    return 0;
}

---

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