co.cask.cdap.etl.api

Interface StageLifecycle<T>

Type Parameters:

T - execution context

All Superinterfaces:

Destroyable

All Known Implementing Classes:

BatchAggregator, BatchJoiner, BatchSink, BatchSource, RealtimeSink, RealtimeSource, Transform

@Beta
public interface StageLifecycle<T>
extends Destroyable

Interface for stage that supports initialize call for resource setup.

Method Summary

Methods

Modifier and Type	Method and Description
void	initialize(T context) Initialize the Stage.

Methods inherited from interface co.cask.cdap.etl.api.Destroyable

destroy

Method Detail

initialize

void initialize(T context)
                throws Exception

Initialize the Stage. Can be used to setup resources.

Parameters:

context - execution context

Throws:

Exception - if there is any error during initialization