io.cdap.delta.api

Interface EventEmitter

public interface EventEmitter

Emits change events. Events should be emitted in the order that they occurred. The order that events are emitted is the order in which they will eventually be applied.

Method Summary

Modifier and Type	Method and Description
void	emit(DDLEvent event) Emits a DDL event.
void	emit(DMLEvent event) Emits a DML event within its own transaction.

Method Detail

emit

void emit(DDLEvent event)
   throws InterruptedException

Emits a DDL event. DDL events should not be emitted within a transaction. This call may block if the pipeline target is not keeping up with the source.

Parameters:

event - the DDL event

Throws:

InterruptedException - if it was interrupted while blocked on emitting the event. The event is dropped in this scenario.

emit

void emit(DMLEvent event)
   throws InterruptedException

Emits a DML event within its own transaction. This call may block if the pipeline target is not keeping up with the source.

Parameters:

event - the DML event

Throws:

InterruptedException - if it was interrupted while blocked on emitting the event. The event is dropped in this scenario.