public abstract class Reducer extends Object
Modifier | Constructor and Description |
---|---|
protected |
Reducer() |
protected |
Reducer(String field) |
Modifier and Type | Method and Description |
---|---|
void |
addArgs(List<String> args) |
Reducer |
as(String alias) |
String |
getAlias() |
List<String> |
getArgs() |
abstract String |
getName() |
protected List<String> |
getOwnArgs() |
Reducer |
setAlias(String alias) |
Reducer |
setAliasAsField() |
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