March 2010
Intermediate to advanced
408 pages
9h 59m
English
Content preview from Oracle Coherence 3.5Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Adding support for schema evolution
Now that you know everything you need to know about serialization and POF, let's discuss the closely related subject of schema evolution support in Coherence.
The fact of life is that things change, and this applies to domain objects as well. New releases of an application usually bring new features, and new features typically require new attributes within domain objects.
In a typical non-Coherence application, you can introduce new columns into database tables, add attributes to your classes, modify ORM configuration files, or custom database access logic and be on your way. However, when your objects are stored within a Coherence cluster, things are not that simple.
The main reason for that is that Coherence ...
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