About availability

forum_thread

WORM (Write once read many) support

Hello, we would like to propose a feature in the objectdb if this is not already available. We use objectdb in our product development and deployment in high secure environments like police, military and government agencies. We have developed a specialized hardware device in a form of appliance which acts as archiving device for processing and storing logs, records and transactions. Hardware is specific in a way that it has a mechanism for preventing the data to be changed once they are written. #1 2017-02-12 10:45 Hello, we would like to propose a feature in the objectdb if this is not already available. We use objectdb in ou ...

 
forum_thread

No clue how to query with collection

Hi there! Actually, what I have is something like: @Embedable class Address { String getStreet(); int getStreetNo(); } @Entity class Contact { Collection<Address> getAddresses(); }   #1 2011-12-02 15:55 Hi there! Actually, what I have is something like: @ Embedable class Address { ...

 
forum_thread

Glassfish 3.1.2.1 and ObjectDB 2.4.3

Hello, I tried to get the Guestbook tutorial run with Glassfish (see above) but it's not working. When I try to add a guest I got a HTTP Status 404 Wich versions of ObjectDB should I use? Thanks #1 2012-09-04 16:26 Hello, I tried to get the Guestbook tutorial run with Glassfish (see above) but it's not working. Whe ...

 
api-jdo

currentValue()

Returns the current sequence value as a long.(Method of javax.jdo.datastore.Sequence)

 
manual

Collections in JPQL and Criteria Queries

Shows how collections and maps can be used in JPQL queries. Collections may appear in JPQL queries: as parameters - when collections are assigned as arguments. as  path expressions - in navigation to persistent collection fields. This page covers the ...

 
api-jpa

getDelegate()

Return the underlying provider object for the EntityManager, if available.(Method of javax.persistence.EntityManager)

 
forum_thread

How to convert a boolean to an int in the query?

How to convert a boolean to an int in the query? I have five parameters of type boolean in the entity object - approveEmail, approvePhoneNumper, ... I can not sort them ORDER BY approveEmail, approvePhoneNumper, .... because the parameters equivalent. I want to sort them in the query by their sum ORDER BY (approveEmail + approvePhoneNumper + ... ) But I get an exception com.objectdb.o._PersistenceException: Invalid operand type boolean for operator + #1 2013-08-27 12:52 How to convert a boolean to an int in the query? I have five parameters of type boolean in the entity object ...

 
issue

Lazy loading of mapped by (inverse) singular references

Feature Request Version: 2.0.0 Priority: Normal Status: Fixed Replies: 1 Type:  Feature Request ...

 
forum_thread

Should I be able to persist a JFrame (or gui components in general)?

    I did the following: 1. (using Netbeans 8.02 & last available java 7 sdk) I sort of follow your tutorial(s) while applying the ideas to a sample that came with the IDE called GUIFormExamples (under samples). #1 2015-10-20 13:36     I did the following: 1. (using Netbeans 8.02 & last available java 7 sdk) I sort of fol ...

 
forum_thread

Logging problem on attempt to start a Server that is already running

It seems that there is a bug in logging mechanism, if you try to start the database which is already started it starts filing the log continuously until it runs out of space on disk. How to check is the database runing from command promt. regards.   #1 2014-01-10 20:34 It seems that there is a bug in logging mechanism, if you try to start the database which is already started it s ...