Hi Lars, See my comment below On 4/13/08, Lars Vogel <[EMAIL PROTECTED]> wrote: > > Hi Catalina, > > is it correct that this will be serialized as a BLOB?
I think it means that instances of datamodel.impl.Person when serialized, the field nickNameList will be serialized as a BLOB. > > I receive the message: 1469 people WARN [main] openjpa.MetaData - > OpenJPA cannot map field "datamodel.impl.Person.nickNameList" efficiently. > It is of an unsupported type. The field value will be serialized to a BLOB > by default. > > You are pointing to a directory which I do not have (I downloaded > apache-openjpa-1.0.2). Can you please tell me how I can get this > directory? > OpenJPA source code can be extracted from svn repository location: http://svn.apache.org/repos/asf/openjpa The release you are interested in is under branch 1.0.x. The samples are under openjpa-persistence-jdbc/src/test folder. > > Best regards, Lars > > > 2008/4/13, catalina wei <[EMAIL PROTECTED]>: > > > > > Hi Lars, > > Want to correct my previous email. > > OpenJPA does have this feature implemented already, an example can be > > found > > in > > > > > org.apache.openjpa.persistence.annotations.common.apps.annotApp.annotype.OrderByEntity: > > @PersistentCollection > > @OrderBy > > private List<String> strings = new ArrayList(); > > > > If you search for "@PersistentCollection" under > > openjpa-persistence-jdbc/src/test/java folder, > > you will get lots of examples. > > > > > > Catalina > > > > > > On 4/12/08, Janko Heilgeist <[EMAIL PROTECTED]> wrote: > > > > > > catalina wei wrote: > > > > > > > Hi Lars, > > > > The feature you are looking for has been addressed in the draft > > of JPA > > > > 2.0 > > > > spec Section 2.1.5 Collections of Embeddable Classes and Basic > Types. > > > > I don't think we have this feature implemented in the current > OpenJPA > > > > releases. > > > > > > > > Catalina > > > > > > > > On 4/11/08, Lars Vogel <[EMAIL PROTECTED]> wrote: > > > > > > > > > Hello, > > > > > > > > > > I would like to persist a object which contains a list of > primitives > > > > > (Strings). It is possible or can JPA only store real objects? > > > > > > > > > > I tried it an received an error. > > > > > > > > > > Best regards, Lars > > > > > > > > > > > > > > > > > Hi, > > > > > > what about @org.apache.openjpa.persistence.PersistentCollection? I've > > > never used it myself, but someone mentioned this feature a few days > ago > > on > > > this mailinglist. > > > > > > @Entity > > > public MyObject { > > > > > > @PersistentCollection > > > private Collection<String> users; > > > > > > } > > > > > > It is not standard-JPA, though. > > > > > > Janko > > > > > > > > >
