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9

Using multiple databases

at a time? Also, can objects in one database reference objects in another database (e.g ... database connection requires a separate EntityManager/PersistenceManager. References to objects in another database are not supported. Of course, you can keep IDs of the other database objects and manage
Forum
9

Open several objectdb databases the same time

We tried to open objectdb databases from application and got following error: Attempt to open a database file 'D:\tmp\PAT-707\TC_9_2_3_1_8b@2015-09-17_12.08.15\TC_9_2_3_1_8b@2015-09-17_12.08.15.pa3 ... ) Caused by: com.objectdb.o.UserException: Attempt to open a database file 'D:\tmp\PAT-707\TC_9_2_3_1_8b
Forum
9

ClassCastException of same object type

I have ObjectDB partially working with my project. At the moment it seems to be saving objects and retrieving objects ok in the main project. However, when I make a plugin for the project, the new objects are persisted but not retrieved. I get the following error: java.lang.ClassCastException: org
Forum
9

ObjectDB's Database Doctor Incorrect Error Report

to the object and the existence of the object. There is indeed a problem with this database file ... Am I reading this correctly?  It seems that Doctor is telling me that one of my objects is missing.  Looking at the database with ObjectDB's Database Explorer though seems to show that the reference
Result
9

ObjectDB License

of a maximum of 10 entity classes and one million entity objects per database file. This could be useful ... on which ObjectDB databases are managed, but using ObjectDB on client machines merely to access remote ObjectDB databases (for which licenses have been purchased) does not require additional separate licenses
Result
9

ObjectDB License Agreement [ver. 2.0.4]

and objects in a database files. The full edition of the Software (without the restrictions ... the ObjectDB Database Management System software ("The Software"), subject to the terms and provisions ... and only as part of the Customer's product ("The Product"). The Product is not a Database
Tutorial
9

Report Generation with BIRT and JPA

simple as possible - we will use the basic points.odb ObjectDB database file from the Getting Started tutorial. The database file contains 1,000 Point entity objects, which represent points on the line y ... This tutorial demonstrates how to create reports based on data in an ObjectDB database using
Tutorial
9

Step 4: Run the Application

the existing database file to store an additional 1,000 objects. You can view the content of the database file by opening it in the ObjectDB Explorer: This is the end of the tutorial. Learn more about ObjectDB and JPA by reading the Manual. ... ) When you run the application for the first time, a new ObjectDB database file is generated in
Tutorial
9

Step 4: Run the Application

for the first time, a new ObjectDB database file is generated in the db subdirectory under the ObjectDB installation directory. Running the application again will use the existing database file to store an additional 1,000 objects. You can view the content of the database file by opening it in the ObjectDB
Forum
9

removed objects stay with null field values in the reference

from the database, even if the object is not removed from the set explicitly. just to make sure ... is still in the database and loaded by a subsequent lazy loading ? No, after deleting an object it does not exist in the database anymore. But you may still have broken references to that object, like links to a web page that doesn't exist. hgzwicker