Package org.axonframework.eventhandling

Interface TrackedEventMessage<T>

Type Parameters:

T - The type of payload contained in this Message

All Superinterfaces:

EventMessage<T>, Message<T>, Serializable

All Known Implementing Classes:

GenericTrackedDomainEventMessage, GenericTrackedEventMessage

public interface TrackedEventMessage<T>
extends EventMessage<T>

Represents an EventMessage containing a TrackingToken. The tracking token can be used be event processors to keep track of which events it has processed.

Author:

Rene de Waele

Method Summary

Modifier and Type	Method	Description
TrackingToken	trackingToken()	Returns the TrackingToken of the event message.
TrackedEventMessage<T>	withTrackingToken(TrackingToken trackingToken)	Creates a copy of this message with the given trackingToken to replace the one in this message.

Methods inherited from interface org.axonframework.eventhandling.EventMessage

andMetaData, getIdentifier, getTimestamp, withMetaData

Methods inherited from interface org.axonframework.messaging.Message

getMetaData, getPayload, getPayloadType, serializeMetaData, serializePayload

Method Details

trackingToken

TrackingToken trackingToken()

Returns the TrackingToken of the event message.

Returns:

the tracking token of the event

withTrackingToken

TrackedEventMessage<T> withTrackingToken(TrackingToken trackingToken)

Creates a copy of this message with the given trackingToken to replace the one in this message.

This method is useful in case streams are modified (combined, split), and the tokens of the combined stream are different than the originating stream.

Parameters:

trackingToken - The tracking token to replace

Returns:

a new instance of a message with a different tracking token