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New to Product & Having An Issue

> package test.Domain; ...imports.... @Embeddable @Access(AccessType ... and embeddable classes) can be compared by using the equality operators (=, <>, ==,

Query on Embedded Primary Key?

.Serializable; import java.util.List; import javax.persistence.Embeddable; import javax.persistence ... ;   }             @Embeddable public

Some details about db behavior

> If A is an entity class (and not an embeddable class) after persisting a B instance that references ... . If A is an embeddable class the content of A will be persisted as part of the B instance.

select query for a HashMap field of an entity.

I have the following entity. I need the all the MyEntitiy whose MyEntity.Embeddable.PropMap.Key = someValue. Can anybody please help me to get this what should be the query. @Entity class MyEntity { @Embeddable class MyEmbeddable

A few questions on object database design

everything about the player as embeddable classes. However, my colleague questions ... . Switching between entity classes and embeddable classes is easy, so if you already have tests that check

com.objectdb.o.NLV cannot be cast to com.objectdb.o.RSV

, in your model PersonalData in defined as an embeddable class ... class="code">Embeddable for this type. support Support

Searching lists within objects

;Attribute>(); } @Embeddable class Attribute {     private AttributeType type ... (and not by ID), so you can build new embeddable objects for the search. However, I am not sure

Error reading UTF string (Serialized Objects in Explorer)

(Money). Using serializable types is not recommended (embeddable ... ="code">Money is serializable and changing it to embeddable is possible - this is the preferred

NullPointerException when using multithreading

; myMap; } @Embeddable public class EmbeddableA { @OneToOne(cascade=CascadeType.ALL) private HashMap<String, EmbeddableB> myMap; } @Embeddable public class EmbeddableB

Unexpected Exception (java.lang.NullPointerException: Cannot invoke "com.objectdb.o.ORS.Z9())

that a certain type has not been enhanced (the type is not an Entity, but an Embeddable ... this check you mentioned fails? Arne Arne Stocker Embeddable classes should also be enhanced