Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package Assignment5_P6_StructureToHierarchyPattern; import org.apache.hadoop.io.IntWritable; import org.apache.hadoop.io.Text; import org.apache.hadoop.mapreduce.Mapper; import java.io.IOException; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; /** * * @author Chintan */ public class Structure_Hierarchy_Movie_Mapper extends Mapper<Object, Text, Text, Text> { public void map(Object key, Text value, Context context) throws IOException, InterruptedException { String[] movieInfo = value.toString().split(","); String movieId = movieInfo[0]; //append 'T' for title identification String movieTitle = "T" + movieInfo[1]; // movieID, movieTitle context.write(new Text(movieId), new Text(movieTitle)); } }