public CombineHiveRecordReader(InputSplit split, Configuration conf,
Reporter reporter, Integer partition)
throws IOException {
JobConf job = (JobConf)conf;
CombineHiveInputSplit hsplit = new CombineHiveInputSplit(job, (InputSplitShim)split);
String inputFormatClassName = hsplit.inputFormatClassName();
Class inputFormatClass = null;
try {
inputFormatClass = Class.forName(inputFormatClassName);
} catch (ClassNotFoundException e) {
throw new IOException ("CombineHiveRecordReader: class not found " + inputFormatClassName);