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tutorial

Java EE 6 Web Tutorial

This tutorial demonstrates how to create and run a full Java EE 6 MVC (Model View Controller) web application in Eclipse - using GlassFish, ObjectDB and JPA. This tutorial demonstrates how to create and run a full Java EE 6 MVC (Model View Controller) web application using GlassFish, ObjectDB and JPA. Since this web application uses Java EE 6 EJB (session beans) it requires a full Java EE 6 applic ...

 
tutorial

Eclipse/JPA Java EE 6 Tutorial

Step by step tutorial that demonstrates how to build a simple Java EE web application (with Servlet, JSP and an EJB Session Bean) in Eclipse using JPA. This is the Eclipse version of the Java EE JPA tutorial. It demonstrates how to create and run a full Java EE 6 MVC (Model View Controller) web application in Eclipse - using GlassFish, ObjectDB and JPA. The demo web a ...

 
tutorial

NetBeans/JPA Java EE 6 Tutorial

Step by step tutorial that demonstrates how to build a simple Java EE web application (with Servlet, JSP and an EJB Session Bean) in NetBeans using JPA. This is the NetBeans version of the  Java EE JPA tutorial. It demonstrates how to create and run a full Java EE 6 MVC (Model View Controller) web application in NetBeans - using GlassFish, ObjectDB and JPA. ...

 
manual

Working with JPA Entity Objects

Explains the entity object lifecycle and the persistence context.... references instead of weak references . The contains method can check if a specified entity object is in the persistence context: boolean isManaged = em. contains contains(entity) EntityManager's method Check if the ...

 
api-jpa

contains(cls, primaryKey)

Whether the cache contains data for the given entity.(Method of javax.persistence.Cache)

 
manual

Shared (L2) Entity Cache

Explains how to set and use the EntityManagerFactory's shared cache (L2 / level 2) in JPA 2.... is cached: boolean isCached = cache. contains contains(cls, primaryKey) Cache's method Whether the cache contains ...

 
api-jpa

contains(entity)

Check if the instance is a managed entity instance belonging to the current persistence context.(Method of javax.persistence.EntityManager)

 
issue

InternalException when querying indexed field using a list that contains duplicates

ObjectDB is throwing an InternalException in JdoQuery: ... A query 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 ...

 
forum_thread

String Contains Query Result - Possible?

Hi, I have a managed database for an Entity, "Program", filled with String fields, "description", that are effectively unique sub-strings of a system generated description. Example: System: For Series Sales usage: 6014-Private Individual Swim Lessons  10-Pack Database: 6014-Private Individual Swim Lessons  10-Pack I would like to know if it is possible to have a query return the "Program" object using the System Description? I've considered doing something similar to... ... ( ) ) if ( desc . contains ( p. getDescription ( ) ) ) ...

 
forum_thread

Query to find object from element of a contained collection

I have an OrderData class, containing an ItemData collection, i would like to find OrderData elements by ItemData.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.   #1 2015-12-25 16:13 I have an OrderData class, containing an OrderItemData collection, i would like to find OrderData elements by Ord ...