org.axonframework.eventhandling

Interface EventBusSpanFactory

All Known Implementing Classes:

DefaultEventBusSpanFactory

public interface EventBusSpanFactory

Span factory that creates spans for the EventBus. You can customize the spans of the bus by creating your own implementation.

Since:

4.9.0

Author:

Mitchell Herrijgers

Method Summary

Modifier and Type	Method and Description
Span	createCommitEventsSpan() Creates a span for the committing of events.
Span	createPublishEventSpan(EventMessage<?> eventMessage) Creates a span for the publishing of an event.
<T> EventMessage<T>	propagateContext(EventMessage<T> eventMessage) Propagates the context of the current span to the given event message.

Method Detail

createPublishEventSpan

Span createPublishEventSpan(EventMessage<?> eventMessage)

Creates a span for the publishing of an event. This span is created when the event is published on the EventBus. This span does not include the actual commit of the event, this is represented by the createCommitEventsSpan() and may occur later.

Parameters:

eventMessage - The event message to create a span for.

Returns:

The created span.

createCommitEventsSpan

Span createCommitEventsSpan()

Creates a span for the committing of events. This is usually batched and done in the commit phase of a UnitOfWork. If no UnitOfWork is active, the commit is done immediately.

Returns:

The created span.

propagateContext

<T> EventMessage<T> propagateContext(EventMessage<T> eventMessage)

Propagates the context of the current span to the given event message.

Type Parameters:

T - The type of the payload of the event message.

Parameters:

eventMessage - The event message to propagate the context to.

Returns:

The event message with the propagated context.