org.datavec.api.transform.reduce

Interface IAssociativeReducer

All Superinterfaces:

Serializable

All Known Implementing Classes:

Reducer

public interface IAssociativeReducer
extends Serializable

Method Summary

Modifier and Type	Method and Description
IAggregableReduceOp<List<Writable>,List<Writable>>	aggregableReducer() An aggregation that has the property that reduce(List(reduce(List(l1, l2)), l3)) = reduce(List(l1, reduce(List(l2, l3)))
Schema	getInputSchema()
List<String>	getKeyColumns()
void	setInputSchema(Schema schema)
Schema	transform(Schema schema)

Method Detail

setInputSchema

void setInputSchema(Schema schema)

Parameters:

schema -

getInputSchema

Schema getInputSchema()

Returns:

transform

Schema transform(Schema schema)

Parameters:

schema -

Returns:

aggregableReducer

IAggregableReduceOp<List<Writable>,List<Writable>> aggregableReducer()

An aggregation that has the property that reduce(List(reduce(List(l1, l2)), l3)) = reduce(List(l1, reduce(List(l2, l3)))

Returns:

getKeyColumns

List<String> getKeyColumns()

Returns: