import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.input.KeyValueTextInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;

public class URLCount extends Configured implements Tool {

	public static void main(String[] args)throws Exception {
		// TODO Auto-generated method stub
		ToolRunner.run(new Configuration(), new URLCount(), args);

	}

	@Override
	public int run(String[] args) throws Exception {
		// TODO Auto-generated method stub
		Job job = new Job(getConf(),"URLCount");
		job.setJarByClass(getClass());
		job.setInputFormatClass(KeyValueTextInputFormat.class);
		job.setOutputFormatClass(TextOutputFormat.class);
		job.setMapperClass(URLCountM.class);
		job.setReducerClass(URLCountR.class);
		FileInputFormat.addInputPath(job, new Path(args[0]));
		FileOutputFormat.setOutputPath(job, new Path(args[1]));
		return (job.waitForCompletion(true)==true?0:-1);
	}

}