Пример #1
0
 public void reduce(Text key, Iterable<Txn> values, Context context)
     throws IOException, InterruptedException {
   Txn max = new Txn();
   for (Txn txn : values) {
     if (max.getAmount() < txn.getAmount()) {
       max = txn;
     }
   }
   outvalue.set(
       "Max amount = "
           + max.getAmount()
           + " & product = "
           + max.getProduct()
           + " & date = "
           + max.getTxnDate());
   context.write(key, outvalue);
 }