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1-10 of 200 resultsRefreshID format in objectdb 2.x for JDOHelper.getObjectId per object db tuotrial. I am just wondering, in objectdb 1.x, when i am tring to get the object id ... an integer and this object has two feild object id and type id. Can you please let me know ... get the object id without type id. Thanks, Binit binitbhaskar Binit Bhaskar In | |
EntityManager.find(entityClass, primaryKey) is slow when accessing non-existent IDs) is slow when accessing * non-existent IDs. * * Select queries process non-existent IDs fastest. * */ public class OdbEmFindById { public static final int EVALUATION_LIMIT = 1000000; @Entity public static class X { @EmbeddedId public XId id | |
Get multiple entities by Id I'm trying to fetch a list of entities, by their Id. I Use this query: SELECT c FROM User c WHERE c.id IN :ids This querey works as long as I don't set the property "id" as @Id. If i set @Id to any other member, this query works, if I set id as @Id | |
javax.persistence.Id Id Target: Fields (including ... . The field or property to which the Id annotation is applied ... ="java"> @Id public Long getId() { return id; } Since: | |
JPA Primary Key an object database, ObjectDB supports implicit object IDs, so an explicitly defined primary key ... /java/jpa/Entity">@Entity public class Project { Id">@Id @GeneratedValue long id; // still set automatically | |
Auto Generated Values generator for every database. This number generator is used to generate automatic object IDs for entity objects with no primary key fields defined (as explained in the id ... EntityWithAutoId1 { Id">@Id | |
JDO Predefined ID Classes An object ID is a combination of a persistence capable class and a primary key. It provides a unique representation of a persistent object. The following classes serve as predefined ID ... ="api/java/jdo/id/classes"> Object IDs are used in many | |
Constants.PMF_ATTRIBUTE_SERVER_TIME_ZONE_ID>String PMF_ATTRIBUTE_SERVER_TIME_ZONE_ID The name of the persistence manager factory element's "server-time-zone-id" attribute. Since: JDO 2.1 | |
Constants.PROPERTY_SERVER_TIME_ZONE_ID Static Field javax.jdo.ConstantsString PROPERTY_SERVER_TIME_ZONE_ID Mapping "javax.jdo.option.ServerTimeZoneID" Since: JDO 2.1 | |
[ODB1] Chapter 6 - Persistent Objects efficiency, but they also have some limitations. An embedded object cannot have an object ID. An embedded ... ). 6.2 Object IDs and Names Identifying database objects by unique IDs and by ... method, object IDs, is supported by JDO. The second method, object names, is not supported by JDO |