io.cdap.wrangler.api

Interface RecipePipeline<I,O,E>

Type Parameters:

I - type of input object

O - type of output object

E - type of error object

All Superinterfaces:

AutoCloseable, Serializable

@PublicEvolving
public interface RecipePipeline<I,O,E>
extends Serializable, AutoCloseable

RecipePipeline executes array of Executor in the order they are specified.

Method Summary

Modifier and Type	Method and Description
void	close() Destroys the pipeline.
List<E>	errors() Returns records that are errored out.
List<I>	execute(List<I> input) Executes the pipeline on the input.
List<O>	execute(List<I> input, io.cdap.cdap.api.data.schema.Schema schema) Executes the pipeline on the input.

Method Detail

execute

List<O> execute(List<I> input,
                io.cdap.cdap.api.data.schema.Schema schema)
         throws RecipeException

Executes the pipeline on the input.

Parameters:

input - List of Input record of type I.

schema - Schema to which the output should be mapped.

Returns:

Parsed output list of record of type O

Throws:

RecipeException

execute

List<I> execute(List<I> input)
         throws RecipeException

Executes the pipeline on the input.

Parameters:

input - List of input record of type I.

Returns:

Parsed output list of record of type I

Throws:

RecipeException

errors

List<E> errors()

Returns records that are errored out.

Returns:

records that have errored out.

close

void close()

Destroys the pipeline.

Specified by:

close in interface AutoCloseable