Uses of Interface
co.cask.cdap.etl.api.Emitter

Packages that use Emitter

Package	Description
co.cask.cdap.etl.api	Packages for ETL Application Templates.
co.cask.cdap.etl.api.batch	Packages for ETL Application Templates.
co.cask.cdap.etl.api.realtime	Packages for ETL Application Templates.

Uses of Emitter in co.cask.cdap.etl.api

Methods in co.cask.cdap.etl.api with parameters of type Emitter

Modifier and Type	Method and Description
void	Aggregator.aggregate(GROUP_KEY groupKey, Iterator<GROUP_VALUE> groupValues, Emitter<OUT> emitter) Aggregate all objects in the same group into zero or more output objects.
void	Aggregator.groupBy(GROUP_VALUE groupValue, Emitter<GROUP_KEY> emitter) Emit the group key(s) for a given input value.
void	Transformation.transform(IN input, Emitter<OUT> emitter) Transform the input and emit output using Emitter.

Uses of Emitter in co.cask.cdap.etl.api.batch

Methods in co.cask.cdap.etl.api.batch with parameters of type Emitter

Modifier and Type	Method and Description
void	BatchSink.transform(IN input, Emitter<KeyValue<KEY_OUT,VAL_OUT>> emitter) Transform the input received from previous stage to a KeyValue pair which can be consumed by the output, as set in BatchConfigurable.prepareRun(T).
void	BatchSource.transform(KeyValue<KEY_IN,VAL_IN> input, Emitter<OUT> emitter) Transform the KeyValue pair produced by the input, as set in BatchConfigurable.prepareRun(T), to a single object and emit it to the next stage.

Uses of Emitter in co.cask.cdap.etl.api.realtime

Methods in co.cask.cdap.etl.api.realtime with parameters of type Emitter

Modifier and Type	Method and Description
abstract SourceState	RealtimeSource.poll(Emitter<T> writer, SourceState currentState) Poll for new data.