Module lettuce.core

Package io.lettuce.core.event.jfr

Interface EventRecorder

public interface EventRecorder

Event recorder that can delegate events from the EventBus into a recording facility such as JFR. Transforming an Event into a recordable event is subject to the actual EventRecorder implementation.

You can record data by launching the application with recording enabled: java -XX:StartFlightRecording:filename=recording.jfr,duration=10s -jar app.jar.

Since:

6.1

Author:

Mark Paluch

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	EventRecorder.RecordableEvent	Interface defining a recordable event that is recorded on calling EventRecorder.RecordableEvent.record().

Method Summary

Modifier and Type	Method	Description
static EventRecorder	getInstance()	Obtain an instance of the EventRecorder.
void	record(Event event)	Record an event.
EventRecorder.RecordableEvent	start(Event event)	Start recording an event.

Method Details

getInstance

static EventRecorder getInstance()

Obtain an instance of the EventRecorder.

Returns:

an instance of the EventRecorder.

record

void record(Event event)

Record an event.

Parameters:

event - the event to record, must not be null.

start

EventRecorder.RecordableEvent start(Event event)

Start recording an event. This method returns a EventRecorder.RecordableEvent that can be recorded by calling EventRecorder.RecordableEvent.record(). These events can be used to measure time between start and record.

Parameters:

event - the event to record, must not be null.