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Tutorial
68

Step 5: Design a BIRT Report Chart

All about Step 5: Design a BIRT Report Chart in Java/JPA database - explanations, examples, references, links and related information.
Forum
37

Fetch a whole entity graph eager

Hello, I have two question at you. Are you provided JPA 2.1 annotation @NamedEntityGraph in next version ObjectDB 3.0? And do you know an easy possibility to get an entirely eager entity graph with all depended entities which we can use as a detached full accessible entity graph outside
Result
26

ObjectDB - Object Database for Java (JPA/JDO)

system (RDBMS) to store and retrieve Java objects requires slow conversions between graphs of Java ... direct storage of graphs of objects and eliminates the ORM layer. The result is better performance
Manual
26

Retrieving JPA Entity Objects

of the developer it looks like the entire graph of objects is present in memory. This illusion, which is based ... the database and initialization of all the persistent fields. As seen, the entire graph of objects
Manual
18

Database Explorer

in the graph of objects, a special {R} sign (indicating recursive) is displayed for an object
FAQ
18

What are the main benefits of using ObjectDB?

ObjectDB is especially designed to store and manage graphs of objects efficiently. That can accelerate
FAQ
18

What is ObjectDB?

objects (and graphs of objects) in an ObjectDB database directly. There's no need to define tables or
JDO Doc
15

javax.jdo.PersistenceManager

of fetching for the graph of instances reachable from the pc parameter. The state of fields in ... ) and the active fetch groups determine the scope of fetching for the graph of instances reachable from the pcs ... will be traversed. Thus, to detach a graph of objects, relations to other persistent instances
JDO Doc
7

detachCopyAll(pcs)

) and the active fetch groups determine the scope of fetching for the graph of instances reachable ... the current FetchPlan will be traversed. Thus, to detach a graph of objects, relations to other persistent
JDO Doc
5

detachCopy(pc)

Method javax.jdo.PersistenceManager T detachCopy(   T pc ) Detach the specified instance from the PersistenceManager. The flags for detachment (DETACH_LOAD_FIELDS and DETACH_UNLOAD_FIELDS) and the active fetch groups determine the scope of fetching for the graph of instances reachable from the pc