code: package HiBench;
  
  import java.io.IOException;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.apache.hadoop.conf.Configuration;
  import org.apache.hadoop.fs.FSDataOutputStream;
  import org.apache.hadoop.fs.FileSystem;
  import org.apache.hadoop.fs.Path;
  
  
  public class Dummy {
  	
  	private static final Log log = LogFactory.getLog(Dummy.class.getName());
  	private static final String NAME = "dummy";
  	
  	private Path path;
  	private int slots;
  	
  	Dummy(Path path, int slots) throws IOException {
  		this.path = new Path(path, NAME);
  		this.slots = slots;
  		this.create();
  	}
  	
  	public void create() throws IOException {
  		
  		log.info("Creating dummy file " + path + " with " + slots + " slots...");
  
  		Utils.checkHdfsPath(path);
  		
  		FileSystem fs = path.getFileSystem(new Configuration());
  		FSDataOutputStream out = fs.create(path);
  
  		String contents = "";
  		for (int i=1; i<=slots; i++) {
  			contents = contents.concat(Integer.toString(i) + "\n");
  		}
  
  		out.write(contents.getBytes("UTF-8"));
  		out.close();
  	}
  
  	public Path getPath() {
  		return path;
  	}
  	
  	public String getName() {
  		return path.getName();
  	}
  }
  