Example usage for org.apache.hadoop.mapred JobConf setInputFormat

Introduction

In this page you can find the example usage for org.apache.hadoop.mapred JobConf setInputFormat.

Prototype

public void setInputFormat(Class<? extends InputFormat> theClass) 

Source Link

Document

Set the InputFormat implementation for the map-reduce job.

Usage

From source file:crimesbymonthineachyear.CrimesByMonthInEachYear.java

public int run(String[] args) throws Exception {
    Configuration conf = getConf();

    JobConf job = new JobConf(conf, CrimesByMonthInEachYear.class);

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

    job.setJobName("CrimesByMonthInEachYear");
    job.setMapperClass(MapClass.class);
    job.setReducerClass(Reduce.class);

    job.setInputFormat(KeyValueTextInputFormat.class);
    job.setOutputFormat(TextOutputFormat.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);
    //   job.set("key.value.separator.in.input.line", "");

    JobClient.runJob(job);/*from ww  w . ja va  2 s.  c  o  m*/

    return 0;
}

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From source file:crimesbytime.CrimesByTime.java

public int run(String[] args) throws Exception {
    Configuration conf = getConf();

    JobConf job = new JobConf(conf, CrimesByTime.class);

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

    job.setJobName("CrimesByTime");
    job.setMapperClass(MapClass.class);
    job.setReducerClass(Reduce.class);

    job.setInputFormat(KeyValueTextInputFormat.class);
    job.setOutputFormat(TextOutputFormat.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);
    //   job.set("key.value.separator.in.input.line", "");

    JobClient.runJob(job);/*  w w  w. jav a  2  s . co  m*/

    return 0;
}

---

From source file:crimesbytype.CrimesByType.java

public int run(String[] args) throws Exception {
    Configuration conf = getConf();

    JobConf job = new JobConf(conf, CrimesByType.class);

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

    job.setJobName("CrimesByType");
    job.setMapperClass(MapClass.class);
    job.setReducerClass(Reduce.class);

    job.setInputFormat(KeyValueTextInputFormat.class);
    job.setOutputFormat(TextOutputFormat.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);
    //   job.set("key.value.separator.in.input.line", "");

    JobClient.runJob(job);//from  w  w w. j a v a  2 s  . c  o  m

    return 0;
}

---

From source file:crimesbyweekday.CrimesByWeekDay.java

public int run(String[] args) throws Exception {
    Configuration conf = getConf();

    JobConf job = new JobConf(conf, CrimesByWeekDay.class);

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

    job.setJobName("CrimesByWeekDay");
    job.setMapperClass(MapClass.class);
    job.setReducerClass(Reduce.class);

    job.setInputFormat(KeyValueTextInputFormat.class);
    job.setOutputFormat(TextOutputFormat.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);
    //   job.set("key.value.separator.in.input.line", "");

    JobClient.runJob(job);//w ww  .  jav  a  2s. com

    return 0;
}

---

From source file:crimesbyweekdayyear.CrimesByWeekDayYear.java

public int run(String[] args) throws Exception {
    Configuration conf = getConf();

    JobConf job = new JobConf(conf, CrimesByWeekDayYear.class);

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

    job.setJobName("CrimesByWeekDayYear");
    job.setMapperClass(MapClass.class);
    job.setReducerClass(Reduce.class);

    job.setInputFormat(KeyValueTextInputFormat.class);
    job.setOutputFormat(TextOutputFormat.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);
    //   job.set("key.value.separator.in.input.line", "");

    JobClient.runJob(job);//  www  . ja  va  2  s .  co  m

    return 0;
}

---

From source file:crimesprocessingtimes.CrimesProcessingTimes.java

public int run(String[] args) throws Exception {
    Configuration conf = getConf();

    JobConf job = new JobConf(conf, CrimesProcessingTimes.class);

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

    job.setJobName("CrimesProcessingTimes");
    job.setMapperClass(MapClass.class);
    job.setReducerClass(Reduce.class);

    job.setInputFormat(KeyValueTextInputFormat.class);
    job.setOutputFormat(TextOutputFormat.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);
    //   job.set("key.value.separator.in.input.line", "");

    JobClient.runJob(job);/*  w  ww.java2 s  .  com*/

    return 0;
}

---

From source file:criminaltrespassbytime.CriminalTrespassByTime.java

public int run(String[] args) throws Exception {
    Configuration conf = getConf();

    JobConf job = new JobConf(conf, CriminalTrespassByTime.class);

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

    job.setJobName("CriminalTrespassByTime");
    job.setMapperClass(MapClass.class);
    job.setReducerClass(Reduce.class);

    job.setInputFormat(KeyValueTextInputFormat.class);
    job.setOutputFormat(TextOutputFormat.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);
    //   job.set("key.value.separator.in.input.line", "");

    JobClient.runJob(job);//from  w  w w.j  av  a 2 s . c  o m

    return 0;
}

---

From source file:crunch.MaxTemperature.java

License:Apache License

@Override
    public int run(String[] args) throws Exception {
        if (args.length != 2) {
            System.err.printf("Usage: %s [generic options] <input> <output>\n", getClass().getSimpleName());
            ToolRunner.printGenericCommandUsage(System.err);
            return -1;
        }/*from w  w w . ja  v  a2 s  .co  m*/

        JobConf conf = new JobConf(getConf(), getClass());
        conf.setJobName("Max temperature");

        FileInputFormat.addInputPath(conf, new Path(args[0]));
        FileOutputFormat.setOutputPath(conf, new Path(args[1]));

        AvroJob.setInputSchema(conf, Schema.create(Schema.Type.STRING));
        AvroJob.setMapOutputSchema(conf, Pair.getPairSchema(Schema.create(Schema.Type.INT), SCHEMA));
        AvroJob.setOutputSchema(conf, SCHEMA);

        conf.setInputFormat(AvroUtf8InputFormat.class);

        AvroJob.setMapperClass(conf, MaxTemperatureMapper.class);
        AvroJob.setReducerClass(conf, MaxTemperatureReducer.class);

        JobClient.runJob(conf);
        return 0;
    }

---

From source file:crunch.MaxTemperature.java

License:Apache License

@Override
    public int run(String[] args) throws Exception {
        if (args.length != 2) {
            System.err.printf("Usage: %s [generic options] <input> <output>\n", getClass().getSimpleName());
            ToolRunner.printGenericCommandUsage(System.err);
            return -1;
        }// ww w  .jav  a 2 s .  c om

        JobConf conf = new JobConf(getConf(), getClass());
        conf.setJobName("Max temperature");

        FileInputFormat.addInputPath(conf, new Path(args[0]));
        FileOutputFormat.setOutputPath(conf, new Path(args[1]));

        AvroJob.setInputSchema(conf, Schema.create(Schema.Type.STRING));
        AvroJob.setMapOutputSchema(conf, Pair.getPairSchema(Schema.create(Schema.Type.INT), WeatherRecord.SCHEMA$));
        AvroJob.setOutputSchema(conf, WeatherRecord.SCHEMA$);

        conf.setInputFormat(AvroUtf8InputFormat.class);

        AvroJob.setMapperClass(conf, MaxTemperatureMapper.class);
        AvroJob.setCombinerClass(conf, MaxTemperatureCombiner.class);
        AvroJob.setReducerClass(conf, MaxTemperatureReducer.class);

        JobClient.runJob(conf);
        return 0;
    }

---

From source file:crunch.MaxTemperature.java

License:Apache License

@Override
    public int run(String[] args) throws IOException {
        JobConf conf = JobBuilder.parseInputAndOutput(this, getConf(), args);
        if (conf == null) {
            return -1;
        }// ww w . j  a  v a2 s  .c om

        /*[*/conf.setInputFormat(TextInputFormat.class);

        conf.setNumMapTasks(1);
        conf.setMapperClass(IdentityMapper.class);
        conf.setMapRunnerClass(MapRunner.class);

        conf.setMapOutputKeyClass(LongWritable.class);
        conf.setMapOutputValueClass(Text.class);

        conf.setPartitionerClass(HashPartitioner.class);

        conf.setNumReduceTasks(1);
        conf.setReducerClass(IdentityReducer.class);

        conf.setOutputKeyClass(LongWritable.class);
        conf.setOutputValueClass(Text.class);

        conf.setOutputFormat(TextOutputFormat.class);/*]*/

        JobClient.runJob(conf);
        return 0;
    }

---

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