String assignerClassName = GlobalConfiguration.getString(assignerKey, null);
// Provide hard-wired default configuration for FileInputSplit objects to make configuration more robust
if (assignerClassName == null) {
if (FileInputSplit.class == inputSplitType) {
return new FileInputSplitAssigner();
}
else if (GenericInputSplit.class == inputSplitType) {
return new DefaultInputSplitAssigner();
}
else {