public interface IReducer
extends java.io.Serializable
Modifier and Type | Method and Description |
---|---|
Schema |
getInputSchema() |
java.util.List<java.lang.String> |
getKeyColumns() |
java.util.List<Writable> |
reduce(java.util.List<java.util.List<Writable>> examplesList) |
void |
setInputSchema(Schema schema) |
Schema |
transform(Schema schema) |
void setInputSchema(Schema schema)
schema
- Schema getInputSchema()
java.util.List<Writable> reduce(java.util.List<java.util.List<Writable>> examplesList)
examplesList
- java.util.List<java.lang.String> getKeyColumns()