import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.conf.Configured; import org.apache.hadoop.fs.Path; import org.apache.hadoop.io.Text; import org.apache.hadoop.mapreduce.Job; import org.apache.hadoop.mapreduce.lib.input.FileInputFormat; import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat; import org.apache.hadoop.util.Tool; import org.apache.hadoop.util.ToolRunner; public class PlayByPlayDriver extends Configured implements Tool { public int run(String[] args) throws Exception { if (args.length != 2) { System.out.printf("Usage: PlayByPlayDriver <input dir> <output dir>\n"); return -1; } Job job = new Job(getConf()); job.setJarByClass(PlayByPlayDriver.class); job.setJobName("Play by Play parser"); FileInputFormat.setInputPaths(job, new Path(args[0])); FileOutputFormat.setOutputPath(job, new Path(args[1])); job.setMapperClass(PlayByPlayMapper.class); job.setReducerClass(GameWinnerReducer.class); job.setMapOutputKeyClass(Text.class); job.setMapOutputValueClass(Text.class); job.setOutputKeyClass(Text.class); job.setOutputValueClass(Text.class); boolean success = job.waitForCompletion(true); return success ? 0 : 1; } public static void main(String[] args) throws Exception { int exitCode = ToolRunner.run(new Configuration(), new PlayByPlayDriver(), args); System.exit(exitCode); } }