org.axonframework.eventstore.legacy
Class LegacyAxonEventUpcaster

java.lang.Object
  org.axonframework.eventstore.legacy.LegacyAxonEventUpcaster

All Implemented Interfaces:

EventUpcaster<org.dom4j.Document>

public class LegacyAxonEventUpcaster
extends Object
implements EventUpcaster<org.dom4j.Document>

Event preprocessor that upcasts events serialized by the XStreamEventSerializer in versions 0.6 and prior of AxonFramework, to the event format supported since 0.7.

This upcaster uses dom4j Document as event representation, which is supported by the XStreamEventSerializer.

Since:

0.7

Author:

Allard Buijze

Constructor Summary

LegacyAxonEventUpcaster()

Method Summary

Class<org.dom4j.Document>	getSupportedRepresentation() Since Java's generics are erased, this method allows serializers to verify the supported event representation of this upcaster.
org.dom4j.Document	upcast(org.dom4j.Document event) Upcast the given event to make it parsable by the EventSerializer.

Methods inherited from class java.lang.Object

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

Constructor Detail

LegacyAxonEventUpcaster

public LegacyAxonEventUpcaster()

Method Detail

getSupportedRepresentation

public Class<org.dom4j.Document> getSupportedRepresentation()

Description copied from interface: EventUpcaster

Since Java's generics are erased, this method allows serializers to verify the supported event representation of this upcaster. Serializers may support any number of formats, and are responsible for the transformation between them if they accept more than one.

Specified by:

getSupportedRepresentation in interface EventUpcaster<org.dom4j.Document>

Returns:

The type of representation supported by this upcaster

upcast

public org.dom4j.Document upcast(org.dom4j.Document event)

Description copied from interface: EventUpcaster

Upcast the given event to make it parsable by the EventSerializer. Implementations may alter the given event, and return a reference to the same instance.

Specified by:

upcast in interface EventUpcaster<org.dom4j.Document>

Parameters:

event - The serialized event. This instance may have been processed by other upcasters.

Returns:

The instance to use for further upcasting or deserialization