/**
  * java level API
  *
  * @param input expects a tuple containing two numeric DataAtom value
  * @param output returns a single numeric DataAtom value, which is first floating-point argument
  *     with the sign of the second floating-point argument.
  */
 @Override
 public Float exec(Tuple input) throws IOException {
   if (input == null || input.size() < 2) return null;
   try {
     float first = (Float) input.get(0);
     float second = (Float) input.get(1);
     return Math.copySign(first, second);
   } catch (Exception e) {
     throw WrappedIOException.wrap("Caught exception processing input row ", e);
   }
 }
Beispiel #2
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 public String exec(Tuple input) throws IOException {
   if (input == null || input.size() == 0) return null;
   try {
     String str = (String) input.get(0);
     return str.toUpperCase();
   } catch (Exception e) {
     throw WrappedIOException.wrap("Caught exception processing input row ", e);
   }
 }