Enable an aggregate root to provide it's own AggregateChange [DATAJDBC-120]

[spring-projects-issues]

Jens Schauder opened DATAJDBC-120 and commented

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Referenced from: pull request #13

[spring-projects-issues]

Jens Schauder commented

I actually did not implement any annotation or interface, but instead just tweaked the event infrastructure to enable this.

We can add an example and then see what people actually use (annotation, a special interface or anything else)