org.axonframework.serializer
Class FixedValueRevisionResolver

java.lang.Object
  org.axonframework.serializer.FixedValueRevisionResolver

All Implemented Interfaces:

RevisionResolver

public class FixedValueRevisionResolver
extends Object
implements RevisionResolver

RevisionResolver implementation that returns a fixed value as revision, regardless of the type of serialized object involved. This can be useful when using the application version as Revision, for example.

Since:

2.0

Author:

Allard Buijze

Constructor Summary

FixedValueRevisionResolver(String revision)
Initializes the FixedValueRevisionResolver to always return the given revision, when asked.

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

FixedValueRevisionResolver

public FixedValueRevisionResolver(String revision)

Initializes the FixedValueRevisionResolver to always return the given revision, when asked.

Parameters:

revision - The revision to return

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