Jurgen Doll created CAY-2254:
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Summary: Move PrePersist & PreUpdate lifecycle events to occur
before validation
Key: CAY-2254
URL: https://issues.apache.org/jira/browse/CAY-2254
Project: Cayenne
Issue Type: Improvement
Components: Core Library, Documentation
Affects Versions: 4.0.M4, 4.0.M3, 3.1.1, 3.1
Reporter: Jurgen Doll
Priority: Minor
With regards to the PrePersist & PreUpdate lifecycle events it appears that
developers are expecting these events to take place before validation occurs,
as the original docs for 3.1 also indicate.
Developers are trying to use these as a place to set default values before the
actual commit occurs, but validation prevents this from happening. It was also
noted that to make changes to the data after validation is not good practice.
Options:
1. Move the lifecycle events to occur before validation (and update the docs
for 4)
2. or Update the docs to clarify the function of PrePersist & PreUpdate, i.e.
what it is for, what it is not for, and provide suggestions as to where / how
to accomplish the not for things that developers are currently trying to do.
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