Oliver Drotbohm created OPENJPA-2765:
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Summary: Fix documentation of JPA spec compliance
Key: OPENJPA-2765
URL: https://issues.apache.org/jira/browse/OPENJPA-2765
Project: OpenJPA
Issue Type: Improvement
Reporter: Oliver Drotbohm
Depending on where you look, there's currently contradicting information about
the JPA specification version compliance of OpenJPA.
- The [project homepage|http://openjpa.apache.org/] states 3.0 "targets" JPA
2.1.
- The [3.0
announcement|http://openjpa.apache.org/openjpa-3.0.x.html#OpenJPA-3.0.0] states
3.0 is "based on" JPA 2.2.
- The [About section of the reference
documentation|http://openjpa.apache.org/builds/3.0.0/apache-openjpa/docs/manual.html#openjpa_intro]
states that 3.0 implements JPA 2.0.
It would be cool if this could be clarified. I assume the latter is just an
oversight and a missing update. However it would also be cool if for the former
two, it could be clarified what being "based on" and "targetting" actually
means.
A [Twitter
conversation|https://twitter.com/odrotbohm/status/1081713555290972160] seems to
reveal that 3.0 *implements* 2.1 and has partial support for 2.2 features.
Would be cool if that could be confirmed and documented accordingly, esp. which
of the 2.2 features are supposed to work.
So to me it looks like follows:
- 2.x – implements JPA 2.0
- 3.0 – implements JPA 2.1, partial support for 2.2
The Wikipedia page on JPA could use an update on this as well. I can help with
that, if you come to a decision what to phrase the current state of affairs.
Thanks and keep up the great work!
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