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Possible cause for "Enhancement of type ... is old and cannot be used"

inherits from a non-entity Serializable class that provides common logging services); nearly

Duplicate Entity class names causes Exception in Query

= "SELECT COUNT(x) FROM Item x") }) public class Singleton implements Serializable { public

Immediately retrieve unique id

The beginning of my "Sample" class looks like: @Entity @SequenceGenerator(name = "sampleSeqGenerator", initialValue = 1, allocationSize = 100) public class Sample implements Serializable { private static final long serialVersionUID = 1L; private String sampleName

Why can't we persist an object with a field of type EnumMap in ObjectDB?

Hi, Is there a reason why we can't persist an object with a field of type EnumMap in ObjectDB? but it works fine for fields like = HashMap<EnumType,Double> Thanks EKK EKK Emmanuel Keskes You can persist any Serializable type if you enable this ability in the configuration. But using this feature

Possible issue with timestamps

)     public static class CDI implements Serializable{         private static final long serialVersionUID

JSON serialization and __odbHidden members

). Here's my class: public class User implements Serializable { private Long id; private LoginInfo

Error opening database with ObjectDB Explorer when using composite key

Serializable { private String id; private String channel; ..... ENTITY: @Entity

How to delete M2M relationship?

In user model class I have the following: public class User implements Serializable {     @Id     @GeneratedValue(strategy = GenerationType.AUTO)     private Long id;     @ManyToMany(mappedBy = "attendees", cascade = CascadeType.ALL)     @Cascade(org.hibernate.annotations.CascadeType

ObjectDB 2.2.5

defined serializable objects. Fixed a bug in using NOT NULL in criteria queries. Fixed a bug in using

Lazy retrieval by access not working correctly

LocalizedValues names; ... } @Embeddable public class LocalizedValues implements Serializable

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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