示例#1
0
    public void map(Object key, Text value, Context context)
        throws IOException, InterruptedException {
      String file = value.toString();
      String[] lines = file.split("\n");

      for (String line : lines) {
        if (line.contains("<author>") && line.contains("</author>")) {
          String author = line.substring(8, line.indexOf("</a"));
          word.set(author);
          context.write(word, one);
        } else if (line.contains("<author>")) {
          String author = line.substring(8);
          word.set(author);
          context.write(word, one);
        }
      }
    }
示例#2
0
 public void reduce(Text key, Iterable<LongWritable> values, Context context)
     throws IOException, InterruptedException {
   int sum = 0;
   for (LongWritable val : values) {
     sum += val.get();
   }
   result.set(sum);
   context.write(key, result);
 }