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10

Pre-detach loading: retrieval by navigation not working in if statement

wrapping entity, with the list of LightingZone accessed via getL_LightingZone().getEls(). This plays ... me ages to finally find/identify this problem, as I did not imagine that performing the load access ... DATABASE But this (just accessing the lz.present.id) is not: Long idPresent = lz
2

unwrap(cls)

Method javax.persistence.EntityManager T unwrap( Class<T> cls ) Return an object of the specified type to allow access to the provider-specific API. If the provider's EntityManager implementation does not support the specified class, the PersistenceException is thrown. Parameters: cls - the class
2

getMetamodel()

Method javax.persistence.EntityManager Metamodel getMetamodel() Return an instance of Metamodel interface for access to the metamodel of the persistence unit. Returns: Metamodel instance Throws: IllegalStateException - if the entity manager has been closed Since: JPA 2.0
2

javax.persistence.metamodel.Metamodel

javax.persistence.metamodel Interface Metamodel Provides access to the metamodel of persistent entities in the persistence unit. Since: JPA 2.0 EmbeddableType<X> embeddable(Class<X> cls) Return the metamodel embeddable type representing the embeddable class. Return the metamodel embeddable type
2

AccessType.PROPERTY

Enum Constant javax.persistence.AccessType PROPERTY Property-based access is used. Since: JPA 2.0
2

AccessType.FIELD

Enum Constant javax.persistence.AccessType FIELD Field-based access is used. Since: JPA 2.0
2

javax.persistence.FetchType

to the persistence provider runtime that data should be fetched lazily when it is first accessed
0

javax.jdo.Query

, but might be specified via setResultClass. A hidden field may be accessed using the 'this' qualifier
0

javax.jdo.listener.ClearLifecycleListener

the enhancer, so access to fields is not mediated. Parameters: event - the clear event. Since: JDO 2.0
0

javax.jdo.listener.LoadCallback

in this method. The context in which this call is made does not allow access to other persistent JDO instances. Since: JDO 2.0

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