About managed

api-jdo

javax.jdo.InstanceCallbacks

A PersistenceCapable class that provides callback methods for life cycle events implements this interface.(Interface of JDO)

 
forum_thread

in-memory and on-disk support?

I've had a quick read through the features/FAQ and haven't been able to find a clear answer. I'm looking at replacing a setup of H2 where I have 40GB in-memory backed by 800GB on-disk, the 40GB in memory represents the first 40GB of the 800GB on-disk for super-fast recent entry searching, the records at the end continuously purge as the new ones come in(duplicate write, one to in-memory and one to on-disk). ... The large database (800GB) will be managed on an ordinary disk. The small database (40GB) will be managed on a RAM disk / RAM drive . Both databases can be managed in embedded (in process) mode with no TCP/IP. Alternatively you ...

 
release

2.5.3

... AS 7.1.1. Improved performance of merging managed entities. Fixed a deadlock . Changed ... of primitive types. Fixed a bug of returning managed hollow objects in query results. Fixed an error message ...

 
release

2.5.4

... AS 7.1.1. Improved performance of merging managed entities. Fixed a deadlock . Changed ... of primitive types. Fixed a bug of returning managed hollow objects in query results. Fixed an error message ...

 
release

2.4.2

... of primitive types. Fixed a bug of returning managed hollow objects in query results. Fixed an error message ... execution. Fixed a bug in using non managed non enhanced entity objects as parameters or in criteria queries ( ...

 
release

2.5.2

... AS 7.1.1. Improved performance of merging managed entities. Fixed a deadlock . Changed ... of primitive types. Fixed a bug of returning managed hollow objects in query results. Fixed an error message ...

 
manual

[ODB1] Chapter 6 - Persistent Objects

Shows how to store, retrieve, update and delete database objects. ... A persistent object that becomes transient is not managed by JDO anymore, and it is immediately removed form the persistent ...

 
release

2.3.0

... execution. Fixed a bug in using non managed non enhanced entity objects as parameters or in criteria queries ( ... Fixed an "Attempt to persist a reference to a non managed instance" bug. Fixed internal  ...

 
manual

Setting and Tuning of JPA Queries

Explains various JPA query settings - result range, flush and lock.... method Create a new application-managed EntityManager with the specified Map of properties. See JavaDoc ... method Create a new application-managed EntityManager with the specified Map of properties. See JavaDoc ...

 
release

2.5.5

... AS 7.1.1. Improved performance of merging managed entities. Fixed a deadlock . Changed ... of primitive types. Fixed a bug of returning managed hollow objects in query results. Fixed an error message ...