io.cdap.delta.test.mock

Class FileEventConsumer

java.lang.Object

io.cdap.delta.test.mock.FileEventConsumer

All Implemented Interfaces:

io.cdap.delta.api.EventConsumer

public class FileEventConsumer
extends Object
implements io.cdap.delta.api.EventConsumer

Buffers events in memory, then writes them out to a file when the consumer is closed.

Method Summary

Modifier and Type	Method and Description
void	applyDDL(io.cdap.delta.api.Sequenced<io.cdap.delta.api.DDLEvent> event)
void	applyDML(io.cdap.delta.api.Sequenced<io.cdap.delta.api.DMLEvent> event)
static List<? extends io.cdap.delta.api.ChangeEvent>	readEvents(File filePath, int instanceId) Read events that were consumed by the target.
void	start()
void	stop()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

start

public void start()

Specified by:

start in interface io.cdap.delta.api.EventConsumer

stop

public void stop()

Specified by:

stop in interface io.cdap.delta.api.EventConsumer

applyDDL

public void applyDDL(io.cdap.delta.api.Sequenced<io.cdap.delta.api.DDLEvent> event)
              throws IOException

Specified by:

applyDDL in interface io.cdap.delta.api.EventConsumer

Throws:

IOException

applyDML

public void applyDML(io.cdap.delta.api.Sequenced<io.cdap.delta.api.DMLEvent> event)
              throws IOException

Specified by:

applyDML in interface io.cdap.delta.api.EventConsumer

Throws:

IOException

readEvents

public static List<? extends io.cdap.delta.api.ChangeEvent> readEvents(File filePath,
                                                                       int instanceId)
                                                                throws IOException

Read events that were consumed by the target. This should only be called after the pipeline has been stopped.

Parameters:

filePath - path to read events from

instanceId - instance id that wrote the events

Returns:

list of events contained in the file path

Throws:

IOException - if there was an issue reading the file