About contains

api-jpa

javax.persistence.GenerationType

Defines the types of primary key generation strategies.(Enum of JPA)

 
api-jdo

javax.jdo.FetchPlan

Fetch groups are activated using methods on this interface.(Interface of JDO)

 
api-jpa

javax.persistence.AccessType

Is used with the Access annotation to specify an access type to be applied to an entity class, mapped superclass, or embeddable class, or to a specific attribute of such a class.(Enum of JPA)

 
api-jpa

javax.persistence.spi.LoadState

Load states returned by the ProviderUtil SPI methods.(Enum of JPA)

 
api-jpa

javax.persistence.ValidationMode

The validation mode to be used by the provider for the persistence unit.(Enum of JPA)

 
api-jpa

javax.persistence.CacheRetrieveMode

Used as the value of the javax.persistence.cache.retrieveMode property to specify the behavior when data is retrieved by the find methods and by queries.(Enum of JPA)

 
api-jdo

javax.jdo.annotations.ForeignKeyAction

Enumeration of the foreign-key delete/update action values.(Enum of JDO)

 
forum_thread

Unexpected internal exception during set field of an Embeddable to null

Hello, we get an Unexpected internal exception and have no idea what goes wrong. We can reproduce (mostly) the error in a very big use case. In the big use case and we create and persist millions of SignalValueImpl objects (Embeddables). Partly as in the stack trace an Embeddable contain another Embeddable. It seems like that we can't reproduce the problem in smaller use cases with less objects. Stack trace: ... We build and enhance per feature. (a feature contains several bundles, but no bundle is used in different features.) ... enhance-script the error occurs. The attached zip contains the example.  The Reproduce class contains the main(). ...

 
api-jpa

javax.persistence.FlushModeType

Flush mode setting.(Enum of JPA)