About empty

release

2.3.6

... Fixed a NullPointerException in querying an empty database . Fixed a online backup file lock problem . ...

 
manual

JPA Lifecycle Events

Explains how to use JPA lifecycle events (client side triggers) with callback methods and listener classes.... class defines all the supported callback methods with empty implementations: @Entity javax.persistence.Entity ...

 
issue

user defined backup file

We need a way to do a (online) backup to a user defined backup-destination. Maybe in that way: backupQuery.setParameter("targetfile", new java.io.File("/User/Backup/test.objectdb")); which creates a backupfile with the name 'test.objectdb" in the directory '/User/Backup/' or ... '. Otherwise we had to do the backup in an empty temp directory, scan the backup directory for a newly created backup ...

 
release

2.3.7

... Fixed a NullPointerException in querying an empty database . Fixed a online backup file lock problem . ...

 
issue

Problem with JOIN and inheritance

Hello, Please run this query on the attached DB: SELECT DISTINCT $1 FROM com.quasado.serviceplaza.customer.VendorCustomer $1 JOIN $1.qubletFRAGMENTMAP $2, com.quasado.foundation.warehouse.contract.customer.CustomerContractsFragment $3 WHERE ((NOT (($2=$3) AND ($3.contracts IS EMPTY)))) The problem is quite easy: The "VendorCustomer" class inherits from the "Customer" class. ... = $3 ) AND ( $3 . contracts IS EMPTY ) ) ) ) The problem is quite easy: ...

 
forum_thread

persitencia (Preguntas y respuestas)

1ra.pregunta:     tengo un formulario y cuando grabo mas de un registro, solo me grava el ultimo mas no los anteriores. 2da.Pregunta:    Tengo un indice que no es el ID y necesito que mi tabla muestre los datos de acuerdo al indice. Como                          puedo hacerlo?. Alguien me sugiere algo. Gracias   ... persist them, failure to retrieve them or starting a new empty database every request - more details are needed. To view a table ...

 
forum_thread

can't get HashMap out of the database

I'm trying to persist an Entity containing a HashMap. It stores the data in the database OK, but the map is always empty when I get the entity out of the database again. I've reproduced this problem in a simple variation of the Guestbook tutorial: Guest class: ===================== ... stores the data in the database OK, but the map is always empty when I get the entity out of the database again. I've ...

 
api-jpa

getDeclaredAttributes()

Return the attributes declared by the managed type.(Method of javax.persistence.metamodel.ManagedType)

 
api-jpa

getDeclaredSingularAttributes()

Return the single-valued attributes declared by the managed type.(Method of javax.persistence.metamodel.ManagedType)

 
forum_thread

Compile time enhancement using build.xml of a Netbeans web application

Does anybody have a complete, working example of the adaptations required in the build.xml of a Netbeans web application project to specify ObjectDB compile time enhancement, for both single file and whole project compilation ? The ObjectDB 2.3 manual gives the following tip: ... that is included into build.xml, offers a number of empty targets to override in build.xml, such as -post-compile and ...