This is an illustrating implementation of counting based on unencrypted fields. More...
Classes | |
class | CountMapper |
class | CountReducer |
Static Public Member Functions | |
static void | setup (JobConf conf) |
Initializes the class based on provided configuration parameters. |
This is an illustrating implementation of counting based on unencrypted fields.
This implementation supports single field counting and multiple conjuctive counting only. Disjunctive counting (and therefore, arbitrary boolean expressions) is not supported.
static void mapred.MapRedPlainCountOne.setup | ( | JobConf | conf | ) | [inline, static] |
Initializes the class based on provided configuration parameters.
The initialization comprises setting job's name, assigning Mapper and Reducer class as well as their input and output key-value classes.
conf | configuration parameters. |