Algorithm for merging ORM mapping data coming from different sources
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Key: CAY-529
URL: http://issues.apache.org/cayenne/browse/CAY-529
Project: Cayenne
Type: Task
Components: Cayenne JPA
Versions: JPA 1.0
Reporter: Andrus Adamchik
Fix For: JPA 1.0
We already have XML and annotation loaders of mapping info. We need to finish
implementation of the skeleton combined loader - EntityMapLoader - that merges
multiple JpaEntityMaps together and applies defaults. Algorithm is roughly the
following:
1. load all ORM descriptors and merge them together
2. load annotations for all mentioned classes
3. merge combined ORM descriptor with the annotated descriptor, overriding
annotation values.
4. set defaults
See TODO notes under EntityMapLoader and JpaEntityMap - these are the missing
pieces.
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