About mapping

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Bean Validation (JPA 2.0)

JPA 2 adds support for integration with the Bean Validation API. Constraints are added to entity and embeddable classes by annotations, and can be checked automatically on PrePersist, PreUpdate and PreRemove lifecycle events. Integration with the Validation API is currently not supported by ObjectDB. JPA Feature Version: 1.04 Priority: Normal Status: Active Replies: 5 Type:  JPA Feature ...

 
api-jpa

JPA Annotations for Classes

Reference (JavaDoc) of JPA 2 class annotations, including @Entity, @Embeddable, @IdClass, @Cacheable, @EntityListeners, etc. JPA defines three types of persistable classes which are set by the following annotations: javax.persistence.Embeddable javax.persistence.Entity javax.persistence.MappedSuperclass Chapter 2 of the Obje ...

 
api-jpa

Temporal.value

The type used in mapping java.util.Date or java.util.Calendar.(Annotation Element of javax.persistence.Temporal)

 
api-jpa

getKeyJavaType()

Return the Java type of the map key.(Method of javax.persistence.metamodel.MapAttribute)

 
api-jpa

javax.persistence.NamedQuery

Specifies a static, named query in the Java Persistence query language.(Annotation of JPA)

 
api-jpa

AttributeOverrides.value

(Required) One or more field or property mapping overrides.(Annotation Element of javax.persistence.AttributeOverrides)

 
api-jdo

Constants.PROPERTY_MAPPING_CATALOG

Mapping "javax.jdo.mapping.Catalog"(Static Field of javax.jdo.Constants)

 
forum_thread

Adding multi part path index on non-embedable object member

Is there a way to add single member index on members of a object member which is not configured embedable but is/are mapped by id like the two members below.  @Entity public class Customer {     @MapsId     @ManyToOne(fetch = FetchType.LAZY)     private Merchant merchant;       @MapsId     @ManyToOne(fetch = FetchType.LAZY)     private List<Store> stores;     // Setter/Getter #1 2014-10-17 07:08 Is there a way to add single member index on members of a object member which is not configured embedable but is/ ...

 
forum_thread

PersistenceException UserException: Failed to validate persistence.xml

I'm really tired of looking at the same exception all day. I have DaoService which gets initialized when app starts. #1 2013-07-31 23:30 I'm really tired of looking at the same exception all day. I have DaoService which gets initialized when ...

 
forum_thread

Does JPA have any configuration to create DDL's that are database specific

There some JPA classes who's names more that 30 character. This worked well in MySQL , Derby , PostgreSQL but when it was tried on oracle , we hit the constraint that oracle has of 30 characters.   So basically my question is that is there any JPA configuration to create DDL's that are specific to database   ... But this is relevant only for ORM (Object Relational Mapping) JPA and ignored by ObjectDB. ObjectDB Support ...