public String getUdfClassName() {
    return udfClassName;
  }
Create a new GenericUDFBridge object.

@param udfName
         The name of the corresponding udf.
@param isOperator true for operators
@param udfClassName java class name of UDF
ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFBridge.java