ObjectDB Database Search

As noted above, using ObjectDB instead of a relational database and ORM  combination is easier and leads to better performance. ORM tools, however, are very useful where the use ... performance and use a JPA ORM provider (Hibernate, TopLink, EclipseLink or DataNucleus) to access relational

Hi, I have database utility classes in one project, the id's use sequences declared in an orm .xml ... ;       and the persistence.xml references this orm .xml :     ... -INF/ orm .xml                 

. orm file, where X is a value passed to the PersistenceManagerFactory as the value of property ... (that are part of every build), but in a package.jdo file rather than an  orm file. Maybe the problem ... Support Thanks. I have got this working, by a combination of moving the sequence from ORM to JDO file

How to define Default Entity Listeners without persistence.xml and orm.xml

of these annotations. They are useful only for classes that are also used with an ORM JPA provider ... . Inverse fields are essential for collection fields when using ORM JPA implementations, but not ... per entity class hierarchy is sufficient because subclasses inherit the version field. Unlike ORM

Mapping ( ORM ) tools can reduce some manual work but cannot eliminate the extra processing time ... and eliminates the ORM layer. The result is better performance and faster applications, especially ... database with JPA support in one product , sparing the need to integrate an external JPA ORM

only in a mapping XML file, such as orm .xml ; there is no equivalent annotation: This mapping file must be in the default location, META-INF/ orm .xml , or in a location specified in your persistence

and persistent fields. String literals are also case-sensitive (e.g., " ORM " and " orm " are different

. These implementations are Object Relational Mapping ( ORM ) tools. The mapping bridges between the data ... you can keep your application portable. The unique benefit of using ObjectDB is that the overhead of an intermediate ORM

, eliminating the intermediate ORM layer further accelerates applications. For instance, ObjectDB processes JPQL (JPA Query Language) and JDOQL (JDO Query Language) queries directly, where ORM tools first

is defined in the entity class. Some ORM JPA providers require a version field. You can disable

XML element in the XML mapping file: The mapping file must be in the default location, META-INF/ orm

only in applications that use an ORM -based JPA provider, such as Hibernate, TopLink, EclipseLink, OpenJPA

relational database by using an ORM  JPA provider such as Hibernate, EclipseLink or Open JPA

( strategy = GenerationType . TABLE , generator ="tab") @Id long id; } ORM -based JPA providers (such as

of named queries. However, because mapping files are mainly useful for Object-Relational Mapping ( ORM

or convert objects to records/records to objects using SQL or ORM , as opposed to when using

(Method.java:497) at org.springframework. orm .jpa.AbstractEntityManagerFactoryBean.invokeProxyMethod(AbstractEntityManagerFactoryBean.java:388) at org.springframework. orm .jpa ... / /META-INF/ orm -objectdb.xml: at org.springframework.beans.factory.support

.springframework. orm .jpa.JpaSystemException: Failed to set reference value of field property at.co.pjm.tracker ... .channelConfigurationSets using reflection at org.springframework. orm .jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:418) ~[spring- orm -4.2.3.RELEASE.jar

of annotations, but you will have to move the META-INF/ orm .xml file to the project that contains the entity ... & orm .xml) and has a reference to all bundles with entities. Basically this works. But only as long as ... . Can you look at that again? btc_es BTC EmbeddedSystems Try moving the orm .xml file to the bundle

.springframework spring- orm 3.0.5.RELEASE aopalliance aopalliance 1.0 cglib cglib 2.2 org.aspectj aspectjweaver

       org.springframework    spring- orm    3.0.5.RELEASE

org.springframework. orm .jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:427) org ... .jpa.EMF.createEntityManager(EMF.java:173) org.springframework. orm .jpa.JpaTransactionManager.createEntityManagerForTransaction(JpaTransactionManager.java:445) org.springframework. orm .jpa

.reflect.Method.invoke(Method.java:601) at org.springframework. orm .jpa.AbstractEntityManagerFactoryBean.invokeProxyMethod(AbstractEntityManagerFactoryBean.java:376) at org.springframework. orm .jpa ... .lang.reflect.Method.invoke(Method.java:601) at org.springframework. orm .jpa

findByContextID(@Param("contextIdParam") String contextId);   org.springframework. orm .jpa ... ._PersistenceException: Unexpected query token 'SELECT' at org.springframework. orm .jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:321) at org.springframework. orm .jpa

;          mil/navy/navo/arf/config/ orm .xml     ... ;          The entities are mapped in the ORM .xml file correctly, as

.springframework. orm .jpa.JpaSystemException: com.objectdb.o.UserException: Mismatch client-server protocol prefix ... . orm .jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:517) at org.springframework

] DEBUG o.s. orm .jpa.JpaTransactionManager - Should roll back transaction but cannot - no transaction available 2011-07-05 06:40:34.847 ["http-bio-8080"-exec-3] DEBUG o.s. orm .jpa.JpaTransactionManager

.invoke(Method.java:597) ~[na:1.6.0_20] at org.springframework. orm .jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:310) ~[spring- orm -3.0.5.RELEASE

; import org.springframework. orm .jpa.JpaTransactionManager; import org.springframework. orm .jpa

persistence solution for my project for quite some time now. I have tried every combination of ORM ... one. (I am talking about hibernate and other orm , I have not tried this through ObejectDB, it might work

support of JPA 2.1 is not complete yet. Particularly, this feature seems to be useful mainly in ORM ... an ORM feature, if it is found to be useful with ObjectDB. support Support I'll explain current

;but mostly relevant also for ORM JPA implementations, such as Hibernate (and HQL), EclipseLink, TopLink, OpenJPA and DataNucleus. ObjectDB is not an ORM JPA implementation but an Object Database (ODBMS

is one of the entity properties. This was working well with ORM - Hibernate when used with Spring Data / JPA ... how to FlushModeType.AUTO in ORM .xml we are not doing any annotations over our entity. Thanks in advance

have to write java module with JPA to retrieve entity and then using some kind of ORM or direct JDBC persist

, that with ORM (e.g. Hibernate, EclipseLink) collections are always implemented this way, i.e. a query

caused the issue as ObjectDB ignores this ORM annotation. So the cause might be more complicated

library may be persisted, if defined as entity classes (e.g. in an orm .xml file) support Support

) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework. orm .jpa

.objectdb.JEnhancerAgent.transform(JEnhancerAgent.java:152) at org.springframework. orm .jpa.persistenceunit

Hi In objectdb site i found : Note: This ORM /SQL annotation is silently ignored by ObjectDB so i want  join tow table and generate a third table. Ex:  table 1: employee    table 2: address  and the generate table will be table 3: emp_add employee: e_id, e_name address: add

and objectdb file. Deepak_1996 Deepak Kumar Maharana ORM annotations, including @Column  are  

.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework. orm .jpa

) String name; } }   pezi Peter Sauer @UniqueConstraint is an ORM annotation. It references RDBMS

.invoke ( Method.java:497 ) org.springframework. orm .jpa.ExtendedEntityManagerCreator

(Migrator.java:486) ... 6 more com.objectdb.jpa.Provider META-INF/ orm .xml false paceap Joel Goldberger

either of them, so you can stay with JPA and just remove the ORM metadata when switching to ObjectDB

and eliminates the need for another dependency to an ORM , such as Hibernate, since it implements the JPA ... to avoid coupling it to a specific database. By adding ObjectDB as a database and ORM in a project

When using JDO without annotations, database sequences are normally defined in the ORM file. Following discussion on the forum I was told that ObjectDB supports sequences if specified in the JDO file. Unfortunately, it doesn't seem to be supported consistently. It appears to work only in

global cascade persist in an ORM file. Fixed a NullPointerException during query execution ( issue