what are the Open source Frameworks to generate globally identifiable id for Table primary key before persist?
For example Google Appengine's KeyFactory to generate Key
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Could you please give more information on your use case? Considerations include: sharded databases and requirements for sequential UUIDs. – Mark Butler Mar 09 '14 at 15:56
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actually I am looking for pre-persist key generating technique. – Njax3SmmM2x2a0Zf7Hpd Mar 09 '14 at 15:56
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Hibernate provides such a UUID ID generator. You don't need anything more. Read the documentation. Also, note that even if Hibernate didn't, the JDK comes with a UUID class. – JB Nizet Mar 09 '14 at 16:48
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How about token number generation? – Njax3SmmM2x2a0Zf7Hpd Mar 10 '14 at 19:40