ObjectDB Database Search

having status '%Started' and not '%Failed' and not '%Canceled' and not 'Finished'. I have entities for Job and Status with NamedQueries on Job entity and using TomEE for deployment. I am using following

Hello, we must change (extend) our entity model and therefor we convert the type of some entities ... . But now we introduced as example a new Entity NewKindOfEntityB. And we have a defined logic how we detect the existing EntityB instances they must be converted to the new Entity . With the same ID

.lab.data.bacti.CultureRqst is not defined as an entity (@ Entity is missing) (error 302) at com ... fine ( @PersistenceCapable and @ Entity are equivalent - but you may try adding also @ Entity ... " [ObjectDB 2.6.4_07] javax.jdo.JDOUserException Type java.util.ArrayList is not defined as an entity

Hello, the exception "Attempt to remove a detached entity object" have no information about the detached entity . It is very hard, especially if the involved entities uses cascading, to find the removed call for the detached entity .   It would be very helpful if you can add a few information

Suppose you have an entity @ Entity class A { ... } and other entities with references to A.   e.g. @ Entity class B { A a; // explicit reference to A List list; // list of A's Set set ... Support Is there a query that can return all Objects (@ Entity and/or @Embedded) that include any

Hi, Is there a way to find the number of managed entities given an entity manager? My application has some memory leaks - I am doing clear() on the entity manager(s) but may be I forgot some - so if there is a way to know how many entities are managed by each my entity mgr - it would be helpful

Hello, it is possible to find out if a child entity is just referenced by other parent entity types. But the types of the parent entities are unknown. Is there a possibility to find out if an entity is referenced? best regards btc_es BTC EmbeddedSystems You can only find it (using a query

.8_06 All our entities are enhanced. There are nested entities in following hierarchy: @ Entity ... ? support Support No, there are only entities involved. Have you an idea why this issue occurs? We try

supports: Database file size up to 128 TB (= 131,072 GB = 134,217,728 MB). Up to 2,147,483,648 entity ... . Up to 9,223,372,036,854,775,808 entity objects per database file. Unlimited database connections (limited by operating system resources).

Free License ObjectDB can be downloaded and used at no cost (including commercially)  with the restriction of a maximum of  10 entity classes and one million entity objects per database file. This could be useful for small projects, academic assignments, evaluation and learning

defined classes ( entity classes and embeddable classes) can be compared by using the equality operators (=, , == , != ). For entities , e1 = e2 if e1 and e2 have the same type and the same primary key value

A JPA Persistence Unit is a logical grouping of user defined persistable classes ( entity classes, embeddable classes and mapped superclasses) with related settings. Defining a persistence unit ... registration of all the user defined persistable classes ( entity classes, embeddable classes and mapped

Hello, we have following case: All entities must be enhanced, because see Issue #303. ToleranceDefinition and ResolverMapping are entities and have not any relations each other. Before start transaction the ToleranceDefinition entities exist already in the database. The transaction starts

a transaction (including the entity manager) the ODB file writer still holds a reference to entities . Performing similar calls repeatedly hence increases the number of references to entities not longer needed ... that all your classes are enhanced. The screenshot indicates using some entity objects ( MappingImpl

the company, or other legal entity on behalf of which such individual is accessing or using the Service

that index to iterate directly on Country objects that satisfy the WHERE predicate. For entity classes

yet and the  Country class is unknown as a managed entity class  - only the TypedQuery

elements that are unavailable as literals, such as entity objects. API Parameter Methods Over half

the modest needs of this small application. The Point entity class... used to represent the data... covered

programming using ObjectDB and JPA. Shows how to define JPA entity classes that can be persisted in

are discarded. However, by default, the in-memory instance of the managed entity is not affected by

Relationships are persistent fields in persistable classes that reference other entity objects. The four relationship modes are represented by the following annotations: Unlike ORM JPA implementations, ObjectDB does not enforce specifying any of the annotations above. Specifying a relationship

JPA defines three types of persistable classes which are set by the following annotations: Chapter 2 of the ObjectDB manual explains these annotations in detail. Entity and mapped super classes can be further configured by annotations that specify cache preferences and lifecycle event listener

can be applied to entity objects directly. Other aggregate functions are applied to fields of objects in

is represented by a  Guest entity object and all the  Guest entity objects are stored in an ObjectDB

. Every visitor that has signed the guestbook is represented by a Guest JPA entity object and all the Guest entity objects are stored in an ObjectDB database. Required Software For this tutorial you will need

by a Guest entity object and all the Guest entity objects are stored in an ObjectDB database

is managed by JPA. Every visitor that has signed the guestbook is represented by a Guest entity object and all the Guest entity objects are stored in an ObjectDB database. Required Software

by a  Guest entity object and all the  Guest entity objects are stored in an ObjectDB

the guestbook is represented by a Guest entity object and all the Guest entity objects are stored in

entity object is constructed and stored in the database. All the Guest entity objects are retrieved

The Guest entity objects will be stored in an ObjectDB database, which will be represented by a JPA's EntityManagerFactory instance with a global application scope. We have to register ... ().getAttribute("emf"); emf.close(); } } The code above: Invokes the Enhancer to enhance the entity class

that will be added in the next tutorial step) - a new Guest entity object is constructed and stored in the database. All the Guest entity objects are retrieved from the database and stored in the request's

(using a JSP form that is shown in the next tutorial step) - a new Guest entity object is constructed and stored in the database. All the Guest entity objects are retrieved from the database

Started tutorial. The database file contains 1,000 Point entity objects, which represent points

the next tutorial step) - a new Guest entity object is constructed and stored in the database. Processing

Framework and ObjectDB/JPA support. The next step is  creating a JPA Entity class .

with ObjectDB/JPA support. The next step is creating a JPA Entity class .

MVC Framework and ObjectDB/JPA support. The next step is creating a JPA Entity class .

This is the Eclipse version of the Quick Start with JPA tutorial. It demonstrates how to create and run a simple JPA application in Eclipse. The demonstrated application uses JPA to store and retrieve simple Point entity objects, where each Point has two persistent fields: x and y

: You should now have an Eclipse Java EE 6 project with ObjectDB/JPA support. The next step is creating a JPA Entity class .

: persist - for storing a new  Guest entity object in the database. getAllGuests

- for storing a new  Guest entity object in the database. getAllGuests - for retrieving all the existing

has registered (using a JSP form that will be added in the next tutorial step) - a new Guest entity

This tutorial demonstrates how to create and run a simple JPA application. The demonstrated application uses JPA to store and retrieve simple  Point entity objects, where each  Point has two persistent fields -  x and  y . If you already know JPA - the source code will be straightforward

- for storing a new  Guest entity object in the database. getAllGuests - for retrieving

Application project with ObjectDB/JPA support. The next step is creating a JPA Entity class .

: Now you should have an Eclipse Dynamic Web project with ObjectDB/JPA support. The next step is creating a JPA Entity class .

JARs... The next step is creating a JPA Entity class .

) class defines two methods: persist - for storing a new Guest entity object in the database