Hi: I'm not sure about this, but my understanding was that JDO didn't support ENUMS, JPA does (but I may be wrong).
Cheers, Albert Attard Joan Crawford<http://www.brainyquote.com/quotes/authors/j/joan_crawford.html> - "I, Joan Crawford, I believe in the dollar. Everything I earn, I spend." 2009/8/3 Jeff S (Google) <j...@google.com> > Hi Tom, > It should be possible to persist objects that use enums without needing to > do your own additional mapping. I talked this over with Max Ross who > frequents the Java runtime discussion group ( > http://groups.google.com/group/google-appengine-java) and he pointed out > an example in the JDO unit tests which uses enums: > > > http://www.google.com/codesearch/p?hl=en&sa=N&cd=2&ct=rc#79kbA0UmWLw/trunk/tests/org/datanucleus/test/HasEnumJDO.java > > > <http://www.google.com/codesearch/p?hl=en&sa=N&cd=2&ct=rc#79kbA0UmWLw/trunk/tests/org/datanucleus/test/HasEnumJDO.java>Thank > you, > > Jeff > > On Thu, Jul 30, 2009 at 5:09 PM, Tom Ball <tball...@gmail.com> wrote: > >> We have a simple task object, currently persisted using JDO (using App >> Engine, of course). We'd like to add a GREEN/YELLOW/RED status enum state. >> Defining the enum class is easy: >> >> public enum Status { >> >> NONE("none"), GREEN("green"), YELLOW("yellow"), RED("red"); >> >> >> private final String label; >> >> >> Status(String label) { >> >> this.label = label; >> >> } >> >> >> public String getLabel() { >> >> return label; >> >> } >> >> } >> >> We're stumped how to make this class persistent using JDO -- foreign keys >> for the labels, perhaps? Or do we get it for free, perhaps by JDO storing >> the enum ordinal? >> >> Tom >> >> >> > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
