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package.jdo XML metadata files. In those metadata files I have few persistence-capable classes ... metadata: <class name="ProjectPart">   <field name ... change the metadata when I was moving from ObjectDB 1 to 2, I only adjusted the neccessary code

for fetching while the JPA 2.0 implementation uses Criteria API. API implementation ... with Criteria API.    * ObjectDB 2.1.0 - FAIL. Does not support Criteria API:  

for persistent classes and metadata] field specifies a path to locate persistent classes and XML metadata. Setting this field is not mandatory because you can browse and edit ObjectDB database files when class and metadata files are not available. Some features of the Explorer, however, do require

> API is used to create and remove persistent entity instances, to find entities by their primary key ... > See Also: api/java/jpa/Query" title="Interface in javax.persistence">Query api/java/jpa/TypedQuery" title="Interface in javax

Hello, I'm using the Java Persistence API (JPA) in a library to not lock ... ;api/3.1">JDO API version 3.1. The code works ... out that both ObjectDB and the JDO API expose the same classes. I was wondering

>Therefore, an API for accessing (and maybe also modifying) data in the database without classes ... : Use the Metamodel API to find ... > representation of entity classes using the api/java/jpa/metamodel/Type

api/java/jdo/spi/JDOPermission/GET_METADATA" title="Static ... > This allows getting metadata for any PersistenceCapable ... > . This is dangerous in that metadata information

>A PersistenceManager is obtained from the api/java/jdo/PersistenceManagerFactory ... ="name">api/java/jdo/PersistenceManager/addInstanceLifecycleListener ... > ( api/java/jdo/listener/InstanceLifecycleListener" title="Interface in javax

. This behavior can be changed as explained in metadata ... . But, because these classes are not described in the JDO metadata files, the enhancer identifies ... /manual/chapter4#metadata_for_fields">section 4.3 and

> Chapter 4 - JDO Metadata Shows how to define JDO metadata for persistence capable classes.