io.cdap.cdap.etl.api

Interface SubmitterLifecycle<T>

Type Parameters:

T - execution context

All Known Subinterfaces:

SQLEngine<KEY_IN,VALUE_IN,KEY_OUT,VALUE_OUT>

All Known Implementing Classes:

BatchAggregator, BatchAutoJoiner, BatchConfigurable, BatchJoiner, BatchReducibleAggregator, BatchSink, BatchSource, BatchSQLEngine, ErrorTransform, MultiInputBatchConfigurable, SerializableTransform, SplitterTransform, Transform

@Beta
public interface SubmitterLifecycle<T>

Interface for stage that supports initialize call for resource setup.

Method Summary

Modifier and Type	Method and Description
void	onRunFinish(boolean succeeded, T context) Invoked after the run finishes.
void	prepareRun(T context) Prepare the run.

Method Detail

prepareRun

void prepareRun(T context)
         throws Exception

Prepare the run. Used to configure the job before starting the run.

Parameters:

context - submitter context

Throws:

Exception - if there's an error during this method invocation

onRunFinish

void onRunFinish(boolean succeeded,
                 T context)

Invoked after the run finishes. Used to perform any end of the run logic.

Parameters:

succeeded - defines the result of batch execution: true if run succeeded, false otherwise

context - submitter context