About SECOND

forum_thread

Refresh Explorer

Feature requests: 1) shortcut key for Explorer data refresh 2) ability to set 'auto-refresh' for explorer when run in client-server mode. ie: current view will refresh every n seconds. Thanks David   #1 2014-07-08 22:04 Feature requests: 1) shortcut key for Explorer data refresh 2) ability to set 'auto-refresh&# ...

 
forum_thread

Caching/Paging Questions...

Greetings ObjectDB team, All below questions assume a very large database (~1,000,000,000 objects): Q1: Two queries with a big overlap between their result sets. If I query the first set and hold the results in memory somehow, would that speed up the execution of the second query since many of its result objects already created and reside in memory ?... memory somehow, would that speed up the execution of the second query since many of its result objects already created and reside in ...

 
forum_thread

Free version limitation and upgrading

Hello i would like to use objectDB in Free Version until its not getting in Productive phase... Now my (maybe Stupid) Question because i did not found a good definition. How Do you (for the Free editin) define 1 million ENTITY objects, does that mean 1) 1 million different objects (object definitions) 2) 1 million times the same object 3) is that in the limitation the same? sorry but i couldent find the exact definition.   ... find the exact definition.   My Second Question is, when in Productive Phase and i will upgrade the license is ...

 
api-jpa

ge(x, y)

Create a predicate for testing whether the first argument is greater than or equal to the second.(Method of javax.persistence.criteria.CriteriaBuilder)

 
api-jpa

lt(x, y)

Create a predicate for testing whether the first argument is less than the second.(Method of javax.persistence.criteria.CriteriaBuilder)

 
forum_thread

Multi-thread access to single EM's entities

If my entity classes have synchronized getters and setters, is it reliable for multiple threads to access a single EM's managed entities, as long as only the thread that created the EM interacts directly with it?  I've tested this and it seems to work... but I know better than to depend on the observable behavior of multithreaded code. When I run this example and examine the database, the entity contains the value set by the second thread, as expected.   ... the database, the entity contains the value set by the second thread, as expected.   import javax. ...

 
forum_thread

Unable to run NetBeans/JPA Web Application Tutorial

I followed each and every step of NetBeans/JPA Web Application Tutorial but when i am trying to the web application the following error is prompted on the run console: Start is in progress... start?path=/GuestBook FAIL - Application at context path /GuestBook could not be started C:\GuestBook\nbproject\build-impl.xml:1050: The module has not been deployed. See the server log for details. BUILD FAILED (total time: 2 minutes 13 seconds)   #1 2014-04-26 17:53 I followed each and every step of NetBeans/JPA Web Application Tutorial but when i am trying to run the web appli ...

 
forum_thread

Attempt to execute a query using a closed EntityManager

Hi again! Suddenly, my app started to throw this exception. I would really appreciate some advices. ... @Stateless ClientC.create(and passes the user) 4. Second: LOG.log(Level.INFO, "Created client {0}", c.getId()); Here is when ...

 
forum_thread

Problems with Tutorials » JPA Web App (Tomcat) » NetBeans JPA Web App

I made all the tutorial about the GuestBook but at the end, though it build correctly, when trying to run it, I got: C:\...\NetBeansProjects\JavaWebAppODB\nbproject\build-impl.xml:686: The module has not been deployed. BUILD FAILED (total time: 0 seconds) Can any body please help me with this error? It seems I've done everything correctly, but I still don´t know how to solve the problem, cheers, and thank you in advance,   Alan #1 2011-04-22 20:05 I made all the tutorial about the GuestBook but at the end, though it build correctly, when trying to run it, I g ...

 
api-jdo

setConnectionFactory2Name(connectionFactoryName)

Set the name for the second data store connection factory.(Method of javax.jdo.PersistenceManagerFactory)