Package io.camunda.zeebe.engine.processing.streamprocessor

Interface StreamProcessorListener

public interface StreamProcessorListener

A listener for the StreamProcessor. Allows retrieving insides of the processing and replay of records. It can be especially useful for testing purposes. Note that the listener is invoked inside the context of the stream processor and should not block its execution.

Method Summary

Modifier and Type	Method	Description
void	onProcessed(TypedRecord<?> processedCommand)	Is called when a command is processed.
default void	onReplayed(long lastReplayedEventPosition, long lastReadRecordPosition)	Is called when one or more events are replayed.
default void	onSkipped(LoggedEvent skippedRecord)	Is called when a record is skipped and not processed.

Method Detail

onProcessed

void onProcessed(TypedRecord<?> processedCommand)

Is called when a command is processed.

Parameters:

processedCommand - the command that is processed

onSkipped

default void onSkipped(LoggedEvent skippedRecord)

Is called when a record is skipped and not processed.

Parameters:

skippedRecord - the record that is skipped

onReplayed

default void onReplayed(long lastReplayedEventPosition,
                        long lastReadRecordPosition)

Is called when one or more events are replayed. Even if the state changes are not applied.

Parameters:

lastReplayedEventPosition - the position of the event that is replayed last

lastReadRecordPosition - the position of the record that is read last