About mapping

forum_thread

Question about roadmap

Hello ObjectDB community! I am new to ObjectDB, already read about it, but never really got my hands on it. I was reading through some forum posts, issues and the documentation to see if ObjectDB would be an option for me and in the end I came to the result "not yet". Here are my requirements to ObjectDB that does not seam to be fulfilled yet: #1 2012-08-23 13:58 Hello ObjectDB community! I am new to ObjectDB, already read about it, but never really got my hands on i ...

 
forum_thread

KEY() / VALUE() not recognized in JPQL??

Hi! Explorer says "unexpected token" on KEY(..: SELECT FROM individual.IndividualContact $1 LEFT OUTER JOIN $1.profile.title.name m WHERE (KEY(m) = 'deu' AND VALUE(m) LIKE '%Dr%') profile = embedded entity title = referenced entity name = Map<String, String>   thanks, Alex #1 2011-12-13 08:41 Hi! Explorer says "unexpected token" on KEY(..: SELECT FROM individual . IndividualConta ...

 
api-jpa

javax.persistence.TypedQuery

Interface used to control the execution of typed queries.(Interface of JPA)

 
forum_thread

TemporalType injection with Calendar using JPA

I have ObjectDB  JPA  comsummed by a RESTful web service deployed on Tomcat. I am using an embedded object as a primary key, which has time fields which I have annotated with TemporalType.TIMESTAMP When I use a java.util.Date as a field on this object there is no problem. However, if I use a java.util.Calendar it encounters an exception.   Calendar is what I need.  Is there something obvious here that I am failing to see?   #1 2011-05-30 17:15 I have ObjectDB  JPA  comsummed by a RESTful web service deployed on Tomcat. I am using an embe ...

 
issue

Negative snapshot user count exception

I found the following stack trace in my log files; it's cropped up a number of times: Bug Version: 2.5.2 Priority: Normal Status: Fixed Replies: 8 Type:  Bug ...

 
api-jpa

javax.persistence.ManyToMany

Defines a many-valued association with many-to-many multiplicity.(Annotation of JPA)

 
api-jpa

javax.persistence.PostUpdate

Is used to specify callback methods for the corresponding lifecycle event.(Annotation of JPA)

 
faq

What are the main benefits of using ObjectDB?

By using ObjectDB you can reduce development time and costs and improve your application performance. Reducing Development Time and Costs ObjectDB makes database programming easier and faster. The ability to store ordinary objects in the ...

 
api-jdo

Constants.PMF_ATTRIBUTE_MAPPING

The name of the persistence manager factory element's "mapping" attribute.(Static Field of javax.jdo.Constants)

 
forum_thread

GWT RPC is throwing serialization exception when I have object db date value

Caused by: com.google.gwt.user.client.rpc.SerializationException: Type 'objectdb.java.util.Date' was not included in the set of types which can be serialized by this SerializationPolicy or its Class object could not be loaded. For security purposes, this type will not be serialized.: instance = Sat Jan 29 00:00:00 PST 2011    at com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:614)   #1 2011-02-07 15:14 Caused by: com.google.gwt.user.client.rpc.SerializationException: Type 'objectdb.java.util.Date' was not included i ...