Support for more automatic values besides @GeneratedId (JPA_SPEC-36)

[JPA_SPEC-49] @CurrentTimestamp Created: 23/Feb/13  Updated: 05/Apr/13

Status: Open
Project: jpa-spec
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Sub-task Priority: Major
Reporter: mkarg Assignee: ldemichiel
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified


 Description   

New annotation "@CurrentTimestamp" should inject the current timestamp of a transaction into a data field.

The annotation will guarantee that at the transaction start the timestamp is produced once, so all uses of the annotation within the same transaction will guarantee to inject the same timestamp value.

This is another essential business need, as sometimes transactions run rather long, but all written data shall have synchronized timestamps.


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