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About mapped superclass

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JPA Doc
12

javax.persistence.PrimaryKeyJoinColumn

of the superclass (JOINED mapping strategy); the same name as the primary key column of the primary table ... of the primary table of the superclass (JOINED mapping strategy); the same name as the primary key column ... . It is used to join the primary table of an entity subclass in the JOINED mapping strategy
Forum
11

Schema-Update: Rename superclass and remove one subclass

Hello, we renamed a superclass and removed one of the subclass. If we then try to open the Database ... @Access(AccessType.FIELD) public class SuperClass { public SuperClass() { } } ChildClassA: @Entity @Access(AccessType.FIELD) public class ChildClassA extends SuperClass { @Basic
Issue
11

Schema-Update: Rename superclass and remove one subclass

Hello, we renamed a superclass and removed one of the subclass. If we then try to open the Database ... @Access(AccessType.FIELD) public class SuperClass { public SuperClass() { } } ChildClassA: @Entity @Access(AccessType.FIELD) public class ChildClassA extends SuperClass { @Basic
Issue
10

Error 990 when querying a class with persistence-capable-superclass

error. The code was working with the class in this case until I added a persistence-capable-superclass ... me with this work? Could it be because of the superclass, as I guessed? Or a failure of run-time enhancement? RDBMS-based JDO/JPA implementations use a discriminator column when concrete superclasses
JPA Doc
10

javax.persistence.metamodel.ManagedType

represent entity, mapped superclass, and embeddable types. Since: JPA 2.0 Attribute getAttribute ... in the managed type Since: JPA 2.0 MapAttribute getDeclaredMap(String name) Return the Map-valued attribute declared by the managed type that corresponds to the specified name. Return the Map
JPA Doc
9

javax.persistence.metamodel.Type.PersistenceType

Since: JPA 2.0 PersistenceType ENTITY Entity Entity Since: JPA 2.0 PersistenceType MAPPED_SUPERCLASS Mapped superclass Mapped superclass Since: JPA 2.0 PersistenceType valueOf(String name) Returns
JPA Doc
7

getSupertype()

Method javax.persistence.metamodel.IdentifiableType IdentifiableType getSupertype() Return the identifiable type that corresponds to the most specific mapped superclass or entity extended by the entity or mapped superclass. Returns: supertype of identifiable type or null if no such supertype Since: JPA 2.0
JPA Doc
7

javax.persistence.EntityListeners

javax.persistence Annotation EntityListeners Target: Classes Specifies the callback listener classes to be used for an entity or mapped superclass. This annotation may be applied to an entity class or mapped superclass. Since: JPA 1.0 Learn how to define and use entity listeners in Chapter 3
JPA Doc
7

javax.persistence.metamodel.Metamodel

) Return the metamodel managed type representing the entity, mapped superclass, or embeddable class. Return the metamodel managed type representing the entity, mapped superclass, or embeddable class
JPA Doc
6

javax.persistence.ExcludeSuperclassListeners

javax.persistence Annotation ExcludeSuperclassListeners Target: Classes Specifies that the invocation of superclass listeners is to be excluded for the entity class (or mapped superclass) and its subclasses. Since: JPA 1.0 Learn how to define and use entity listeners in Chapter 3 of the ObjectDB