About access

forum_thread

Password in Embedded Mode?

Is there a way to setup a database file that will be accessed in embedded mode, such that it is locked with a password.  Thereby making it impossible to use ObjectDB to access the contents of the file without providing the correct password when obtaining a connection.  In my case, I'm interested in obtaining a JPA connection:...  Thereby making it impossible to use ObjectDB to access the contents of the file without providing the correct password when ...

 
forum_thread

Embedded mode usage question

Hi there ! ... embedded mode is intended for single-user / single thread access only or not. Is it ok to use object db in an embedded (non server) mode ...

 
issue

NULL reference, how to remove

we have in our db these objects, how can we remove them (we did already a -cp Doctor):     ... is needed about this NULL reference. Can we have access to the database? What happens when you try to access the containing entity object? How many such null references do you have? ...

 
api-jdo

javax.jdo.Extent

Instances of the Extent class represent the entire collection of instances in the data store of the candidate class or interface possibly including its subclasses or subinterfaces.(Interface of JDO)

 
page

ObjectDB Web Site - Terms and Conditions of Use

1. Terms By accessing and using this web site, you agree to be bound by these web site Terms and Conditions of Use, all applicable laws and regulations, and agree that you are responsible for compliance with any applicable local laws. If you ...

 
api-jdo

javax.jdo.listener.DeleteCallback

This interface is used to notify instances of delete events.(Interface of JDO)

 
api-jpa

AssociationOverride.name

(Required) The name of the relationship property whose mapping is being overridden if property-based access is being used, or the name of the relationship field if field-based access is used.(Annotation Element of javax.persistence.AssociationOverride)

 
forum_thread

Embedded in JDO metadata not working in objectDB 2.x ?

Hi, I am using JDO access to the database with the persistence defined in package.jdo XML metadata files. In those metadata files I have few persistence-capable classes which had extents in ObjectDB 1 (with an OID for every instance) and all other classes were embedded (so without extent and own OID) in those few peristence-capable ones. Example of JDO metadata: ... Hi, I am using JDO access to the database with the persistence defined in package.jdo XML metadata ... ObjectDB 1 to 2, I only adjusted the neccessary code to access the database (JDOConnection, etc.) and converted the DB files. ...

 
api-jdo

javax.jdo.listener.DeleteLifecycleListener

This interface is implemented by listeners to be notified of delete events.(Interface of JDO)

 
api-jdo

getObjectById(oid, validate)

This method locates a persistent instance in the cache of instances managed by this PersistenceManager.(Method of javax.jdo.PersistenceManager)