org.axonframework.serializer
Class AnnotationRevisionResolver

java.lang.Object
  org.axonframework.serializer.AnnotationRevisionResolver

All Implemented Interfaces:

RevisionResolver

public class AnnotationRevisionResolver
extends Object
implements RevisionResolver

Revision Resolver implementation that checks for the presence of an @Revision annotation. The value of that annotation is returns as the revision of the payload it annotates. Note that @Revision is an inherited annotation, meaning that subclasses of annotated classes inherit the revision of their parent.

This implementation returns null for objects that do not have a @Revision annotation.

Since:

2.0

Author:

Allard Buijze

Constructor Summary

AnnotationRevisionResolver()

Method Summary

String

revisionOf(Class<?> payloadType) Returns the revision for the given payloadType.

Methods inherited from class java.lang.Object

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

Constructor Detail

AnnotationRevisionResolver

public AnnotationRevisionResolver()

Method Detail

revisionOf

public String revisionOf(Class<?> payloadType)

Description copied from interface: RevisionResolver

Returns the revision for the given payloadType.

The revision is used by upcasters to decide whether they need to process a certain serialized event. Generally, the revision needs to be modified each time the structure of an event has been changed in an incompatible manner.

Specified by:

revisionOf in interface RevisionResolver

Parameters:

payloadType - The type for which to return the revision

Returns:

the revision for the given payloadType