About unique

manual

SSL Configuration

Explains how to set Secure Socket Layer (SSL) in the ObjectDB fast Java object database for JPA/JDO.... two files: A Keystore file that functions as a unique signature of your server. This file contains general details (such as ...

 
forum_thread

Non Embedded byte[]

I am trying to understand the "embedded=false" for JDO byte[] as described in ObjectDB 1.0 Manual, sections 4.3 and 4.4.   I desire to store an image as a byte[] but I don't want the byte[] to be loaded on the loading of the persistent object that has my image's attributes.  The byte[] would only be loaded from the datastore if my image's attribute evaluation deemed that it need to be loaded.   Can you give a JDO example of how to achieve this?   For example: ... byte[], if not embedded, stored as a single "blob" as a unique ObjectDB persisted object?  (The section 4.4 talks about how each ...

 
manual

Defining a JPA Entity Class

Shows how to define a JPA entity class in order to store objects in the database.... above, an entity class is an ordinary Java class. The only unique JPA addition is the @Entity javax.persistence.Entity JPA ...

 
api-jpa

javax.persistence.OneToOne

Defines a single-valued association to another entity that has one-to-one multiplicity.(Annotation of JPA)

 
forum_thread

Criteria query error: Unexpected query token

Using JPA2, I can save entities now in JBoss, and also fetch them uniquely by id. However, if I try to fetch it by getting back all instances (e.g. findAll, I get the following error:   #1 2011-04-09 10:27 Using JPA2, I can save entities now in JBoss, and also fetch them uniquely by id. However, if I try to fetch it b ...

 
api-jpa

javax.persistence.EntityManager

Interface used to interact with the persistence context.(Interface of JPA)

 
api-jdo

getObjectId(pc)

The ObjectId returned by this method represents the JDO identity of the instance.(Method of javax.jdo.PersistenceManager)

 
api-jpa

JoinTable.uniqueConstraints

(Optional) Unique constraints that are to be placed on the table.(Annotation Element of javax.persistence.JoinTable)

 
api-jpa

getMappingFileNames()

Returns the list of the names of the mapping files that the persistence provider must load to determine the mappings for the entity classes.(Method of javax.persistence.spi.PersistenceUnitInfo)

 
forum_thread

using objectdb.jar in writing data to mariadb or mysql db

Hello All, ... API and in some cases JPQL or must i store to an Objectdb unique database? Moreso, does Objectdb have backup tools to back up the ...