Internal Website Search

Hi, I have a managed database for an Entity, "Program", containing a String field, "description ... one that is contained within the System Description. public static Program programByDescription(String desc) { for(Program p : allPrograms()) if(desc. contains (p.getDescription())) return p; return null

collection contains more than 10.000 elements. There are more than 100.000 TCSteps persisted in ... entity classes. Every  TCStep will reference a new entity object that will contain the collection

Hi, I'm dealing with problem, that objectdb's log archive folder contains several other log files which are not part of objectdb. We use single location for our application log files and also objectdb log files. When application crashes or retarts, we noticed that several of our log files reside

I have an OrderData class, containing an OrderItemData collection, i would like to find OrderData elements by OrderData.items.itemId. I cant get a proper query with MEMBER OF or IN. Does anyone have an idea on how i could formulate that as Typed or CriteriaBuilder query? Thanks.   @Entity

embed the .odb file in tomcat webapp container

The project does not contain a persistence unit

() 2014-09-01T19:09:01.324+0200|Avertissement: javax.ejb.EJBException at com.sun.ejb. containers ... .ejb. containers .EJBContainerTransactionManager.completeNewTx(EJBContainerTransactionManager.java:698) at com.sun.ejb. containers .EJBContainerTransactionManager.postInvokeTx

/persistence/EntityManager; at com.sun.ejb. containers .EJBContainerTransactionManager.checkExceptionClientTx(EJBContainerTransactionManager.java:665) at com.sun.ejb. containers .EJBContainerTransactionManager.postInvokeTx(EJBContainerTransactionManager.java:507) at com.sun.ejb. containers .BaseContainer

contains four elements - two of which are required and two are optional. The two required elements

fields can be stored by ObjectDB simply as part of the containing object. Relational databases lack

The best source for learning ObjectDB is the ObjectDB Manual , which contains all the necessary information for using ObjectDB. The only required background is a good understanding of the Java language. Reading the manual and getting started with ObjectDB could be easier for developers with prior

This section contains the most essential JPA types.

The following JPA annotations are in use to integrate JPA into a Java EE application and are managed by the Java EE container :

This section contains miscellaneous JPA types. The PersistenceUtil and PersistenceUnitUtil interfaces provide general utility methods: The Cache interface and the CacheRetrieveMode and CacheStoreMode enum types serve in managing the EntityManagerFactory's shared (level 2) cache: Other enum types are provided for setting of various JPA operations:

). From any object to any collection or array that can contain that object as en element. From any map

copyright notices contained within the Program. Each Contributor must identify itself as the originator

contains multiple Country objects with the name 'Canada' (e.g. due to a bug

= cache. contains (MyEntity.class, Long.valueOf(id)); Cached entity objects can be removed from the cache

The ObjectDB configuration file contains one root element with seven subelements: ... ... ... ... ... ... ... Each one of these seven configuration elements is explained in a separate section: This page explains how ObjectDB configuration works in general. The Configuration Path By default

The configuration element specifies front end settings that are relevant on the client side and in embedded mode. The default configuration file contains the following element: The element The element specifies enhancement related settings: The agent attribute (whose value is "true" or "false

protected constructor, An entity class must be a top level class, The project does not contain

JPA defines dozens of annotations that can be divided into the following groups: Annotations for JPA aware classes: Annotations for fields in JPA persistable classes: Annotations for additional JPA configuration: Annotations for JPA lifecycle event callbacks: Java EE container annotations: Many

class must contain a persistent field (or property) with a matching name. The path expression

fills at runtime in a form that contains many optional fields - is expected to be cleaner when using

processing chain. If a query contains both an ORDER BY clause and a GROUP BY clause the SELECT clause

that contains points in the plane. Each point is represented by an object with two int fields, x and y

filter like this is used: ":ids. contains (originalId)" originalId is an indexed String field on the candidate class :ids is a list which contains a duplicate entry If the field is unindexed, or :ids does not contain duplicates, the exception is not thrown and the query produces the expected results

Hi, We have threads that are not stopping with Tomcat requiring a hard stop of the container .  Can you please help us resolve this issue? Thanks, Clinton / Fazle What is the impact of the issue ... , so it should be more friendly for Tomcat and similar containers . support Support

: IllegalStateException - if the entity manager is container -managed Since: JPA 1.0 boolean contains (Object  ... named query. The select list of the query must contain only a single item, which must be assignable ... Persistence query language statement. The select list of the query must contain only a single item

, element collections and relationships owned by the entity that are contained in join tables ... ) for the entity instance in the additional table(s). Entity relationships for which the locked entity contains ... contain the foreign key (such as relationships that are mapped to join tables or unidirectional

object of the containing query Return: subquery join Since: JPA 2.0 Join correlate ( Join   ... : parentJoin - join object of the containing query Return: subquery join Since: JPA 2.0 ListJoin ... object of the enclosing query. Parameters: parentList - join object of the containing query Return

transaction when a transaction is active at com.sun.ejb. containers .BaseContainer.preInvoke(BaseContainer.java:2004) at com.sun.ejb. containers .EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:210) at com.sun.ejb. containers .EJBLocalObjectInvocationHandlerDelegate.invoke

. If you need a web application that can run on a simple servlet container (such as Tomcat or Jetty

the application to the Spring Framework. For instance, in this example the Spring container : Manages

Guest Book Web Application Tutorial Name: The JSP generates the guestbook page output, which contains

The current directory should be points-console ( containing the pom.xml file). No need to download

the application to the Spring Framework. For instance, in this example the Spring container : Manages

jetty:run The current directory should be  guestbook-spring ( containing the  pom.xml file

Guest Book Web Application Tutorial Name: The JSP generates the guestbook page output, which contains

Tutorial Name: The JSP generates the guestbook page output, which contains a simple form for signing

Tutorial Name: The JSP generates the guestbook page output, which contains a simple form for signing

generates the guestbook page output, which contains a simple form for signing the guestbook, followed by

the ObjectDB distribution zip file. The distribution zip contains everything necessary (no external

this tutorial contains Point entity objects. We will use a simple JPQL query that retrieves points with x

entity contains the foreign key will also be locked, but not the state of the referenced entities ... does not contain the foreign key (such as relationships that are mapped to join tables or unidirectional one-to-many relationships for which the target entity contains the foreign key) will not be locked by default. Since: JPA 2.0

This reference contains the API documentation (similar to JavaDoc) of JDO 2.2. The content is derived from the original JDO documentation with some additions and notes. The most basic JDO types are: All the other JDO types are organized into the following sections:

block: try { // Code containing database operations should be loacated here. } catch (JDOException x

This section contains miscellaneous JDO types:

of white space. The variableDeclaration parameter is the name of the variable containing the results ... containing one or more query parameter declarations separated with commas. Each parameter named in ... containing one or more unbound variable declarations separated with semicolons. It follows the syntax

: propsFile - the file containing the Properties Return: the PersistenceManagerFactory Since: JDO 2.0 ... - the file containing the Properties loader - the class loader to use to load ... . Parameters: stream - the stream containing the Properties Return: the PersistenceManagerFactory