I have read somewhere in the appengine doc that class inheritance is not really supported by JDO yet...
On 07/09/10 00:39, "lisandrodc" <lisandr...@gmail.com> wrote: > Hi all, > I've used hibernate for a while, and I'm having a bit of trouble > switching to JDO. I have several entities that all entities will > share. Rather than a parent table, I'd prefer these columns be > embedded directly in each entity. As such, I've defined my abstract > entity and child entity in the classes below. However, whenever I > try > to run my unit tests or the jetty environment, I always receive the > following error. > org.datanucleus.exceptions.NoPersistenceInformationException: The > class "com.onwebconsulting.inventory.model.Part" is required to be > persistable yet no Meta-Data/Annotations can be found for this class. > Please check that the Meta-Data/annotations is defined in a valid > file > location.]] > According to my Eclipse console I have 1 class that has been > Enhanced. Any ideas what I'm doing wrong? > DataNucleus Enhancer completed with success for 1 classes. Timings : > input=268 ms, enhance=51 ms, total=319 ms. Consult the log for full > details > @Inheritance(strategy = InheritanceStrategy.NEW_TABLE) > public class Part extends Auditable{ > @Persistent > private String name; > @Persistent > private String description; > @Persistent > private String partNumber; > @Persistent > private long quantity; > @Persistent > private String manuacturersPartNumber; > @Persistent > private String manufacturerName; > @Persistent > private String suppliersPartNumber; > @Persistent > private String supplierName; > @Persistent > private String supplierWebsite; > @Persistent > private float salePrice; > @Persistent > private float supplierPrice; > ... Getters and Setters > } > @PersistenceCapable(identityType = IdentityType.APPLICATION) > @Inheritance(strategy = InheritanceStrategy.SUBCLASS_TABLE) > public abstract class Auditable { > @PrimaryKey > @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) > private Key id; > @Persistent > private Date createDate; > @Persistent > private Date updatedDate; > @Persistent > private long version; > public Key getId() { > return id; > } > public Date getCreateDate() { > return createDate; > } > public Date getUpdatedDate() { > return updatedDate; > } > public long getVersion(){ > return version; > } -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.