Fast Object Database for Java - with JPA/JDO support

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3

javax.jdo.listener.InstanceLifecycleListener

can be defined to use a life-cycle listener pattern instead of having the domain class implement the callback interface(s). Since: JDO 2.0
3

setUserObject(o)

Method javax.jdo.PersistenceManager void setUserObject( Object o ) The application can manage the PersistenceManager instances more easily by having an application object associated with each PersistenceManager instance. Parameters: o - the user instance to be remembered by the PersistenceManager Since: JDO 1.0 See Also: getUserObject
3

getGroupRestriction()

Method javax.persistence.criteria.AbstractQuery Predicate getGroupRestriction() Return the predicate that corresponds to the restriction(s) over the grouping items, or null if no restrictions have been specified. Returns: having clause predicate Since: JPA 2.0
3

getUserObject()

Method javax.jdo.PersistenceManager Object getUserObject() The application can manage the PersistenceManager instances more easily by having an application object associated with each PersistenceManager instance. Returns: the user object associated with this PersistenceManager Since: JDO 1.0 See Also: setUserObject
3

javax.jdo.spi.JDOImplHelper

this class only if they are authorized by the security manager. To avoid having
2

JPQL query to get entities that does not have a child entity in their child entities

_Started        2105:12:10 14:00:00      004 From these 2 tables I have to query for Jobs having states FINISHED, CANCELED, FAILED and ACTIVE. FINISHED: A Job having status 'Finished'. CANCELED: A Job having status '%Canceled' and not ('Finished'). FAILED: A Job having status '%Failed' and not
2

IDs of Entities suddenly became UUIDs?

Hi, We're having our system with ObjectDB 2.4.5 in production since this year April and it works ... Objects in the DB are having the field "myId" as type "String" and with an UUID ... that all Databases we use are affected by this. Many of them having mixed Long and UUID String ids
2

Index causes increased memory usage

with us with understanding what is going on behind the scenes inside object db. When you refer to having "30 open databases", are you talking about having 30 PersistanceManagers open? Or 30 PersistanceManagerFactories? Or ... Dev Team > When you refer to having "30 open databases", are you talking about having 30
2

Updating Entities

' and all the changes take place naturally as intended. That said - I don't like the fact that I'm having to cycle ... OK. Note that having a separate object context for every EntityManager is a very basic principle ... to this is having to collect each object that needs to have its reference updated and then update the object
2

Once served to JSF page via @EJB query bean, many list fields are null (but same query ok after fresh persist in @PostConstruct)

of my time. Please attend to this as soon as possible and fix this carefully. I look forward to having this fixed and to having a robust ObjectDB working on my problem, as I am greatly encouraged by ... developer having performed a query in an EJB and having returned that from a JSF backing bean getter

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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