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@Enumerated - how Hibernate converts ordinal back to enum?

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javatwo

Post subject: @Enumerated - how Hibernate converts ordinal back to enum?

Posted: Thu Mar 30, 2006 6:31 am

Senior

Joined: Tue Sep 13, 2005 2:01 am
Posts: 137

For

@Enumerated(value=EnumType.ORDINAL)

how does Hibernate converts ordinal values back to enum?

For Java enum type, there is no such method.

enum.valueOf(String) is for a string.

Will have to go through all ordinal values and compare them?

Thanks for info.

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eyall

Post subject:

Posted: Thu Mar 30, 2006 3:12 pm

Beginner

Joined: Wed Aug 24, 2005 5:32 am
Posts: 23

Hi,
I didn't check how Hibernate does it but one way to do it is:

Code:

Class theEnumClass;
...
Enum e = theEnumClass.getEnumConstants()[index]

I guess Hibernate takes the same, or similar, approch.

Eyal Lupu

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