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40

Is there an API to get the current version of ObjectDB that's being used?

Is there an API to get the current version of ObjectDB that's being used? This would be very handy to have, because it is somewhat difficult to know what version of the ObjectDB you are currently using since the objectdb.jar filename remains the same for all versions (which is not a bad thing by
40

Separate ODB files API

Customer asked during opened ObjectDb connection (ODB location A) to stop writing and continue to another ODB file (Location B). Does exist some API to achieve that? What is a possible solution? Harman Alexander Golyshkin You have to close the database in location A, copy it from location
40

Java 8 time API

Hi. Is Java 8 new DateTime API supported natively or through Converters in the newest versions of objectdb? If not, can we expect this feature in the next releases? Best regards and congratulations on this awesome database. Amsterdam Amsterdam Luís de Lima Filho It is not supported yet, except by
33

Problem with Criteria Querys

Hi, i am having problems running following code... import java.util.*; import javax.persistence.*; import javax.persistence.criteria.CriteriaBuilder; import javax.persistence.criteria.CriteriaQuery; import javax.persistence.criteria.ParameterExpression; import javax.persistence.criteria.Root
33

Calendar in Criteria Querys

Hi, i am having troubles creating criteria querys for Calendar objects. As far as I ... limitations. Anyway, the following example demonstrates criteria queries with Calendar. The usual comparison ... ; import java.sql.Timestamp; import javax.persistence.*; import javax.persistence.criteria
32

Help with JPA2 Criteria and conditional operator grouping

the JPA2 criteria: CriteriaBuilder builder = em.getCriteriaBuilder();   CriteriaQuery<Company> c ... =true) AND ($1.conditionTwo=false) OR ($1.conditionThree=false) Even though the the JPA2 criteria 'wraps
8

Enhancer API (JDO 3.0)

One of the new features of JDO 3 is a standard API for enhancement. Currently ObjectDB implements its own enhancement API. support Support
7

javax.persistence.EntityManager

. The EntityManager API is used to create and remove persistent entity instances, to find entities by their primary ... ( CriteriaQuery<T> criteriaQuery) Create an instance of TypedQuery for executing a criteria query. Create an instance of TypedQuery for executing a criteria query. Parameters: criteriaQuery - a criteria query
6

type in http://www.objectdb.com/java/jpa/query/criteria serParameter -> setParamether

type in http://www.objectdb.com/java/jpa/query/criteria serParameter -> setParamether ravshansbox Ravshan Thanks. It was fixed now to setParameter. support Support
0

javax.jdo.JDOEntityManager

> createQuery(CriteriaQuery<T> criteriaQuery) Create an instance of TypedQuery for executing a criteria query. Create an instance of TypedQuery for executing a criteria query. Parameters: criteriaQuery - a criteria query object Returns: the new query instance Throws: IllegalArgumentException - if the criteria

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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