About @Embedded

forum_thread

Problem witch CriteriaBuilder isMember(..)

Dear Objectdb-Team I have some Problems running a criteria query against a set. But maybe I misunderstood some essentials I have defined an entity class and an embeddable class like this #1 2015-12-09 10:05 Dear Objectdb-Team I have some Problems running a criteria query against a set. But maybe I misunderstood ...

 
api-jpa

javax.persistence.metamodel.IdentifiableType

Instances of the type IdentifiableType represent entity or mapped superclass types.(Interface of JPA)

 
forum_thread

How to install ObjectDB on my Amazon EC2?

Hi I just created an Amazon EC2 account and I want to build project based on Java/JPA and OpenDB. I searched the web but didn't find any proper tutorials. I appreciate if you help me with a guide. Thanks.  #1 2014-02-23 12:15 Hi I just created an Amazon EC2 account and I want to build project based on Java/JPA and ObjectDB. I sea ...

 
forum_thread

em.flush(); em.clear(); loosing data and not persisting managed objects

I'm having trouble with flush() and clear() in a loop inside a transaction not persisting modified objects to database. Sometimes it does other times it doesn't. Here is my Entity. #1 2011-05-04 04:35 I'm having trouble with flush() and clear() in a loop inside a transaction not persisting modified objects to ...

 
issue

Issue with DISTINCT Select

It is getting more and more frustrating :( We've introduced distinct select instead of regular selection in our code (no changes else) and suddenly receive invalid identifiers in queries exceptions in various queries. Here's the stacktrace: Bug Version: Priority: Normal Status: Closed Replies: 12 Type:  Bug ...

 
forum_thread

DB Explorer and Doctor unable to open DB file

Hi, one of my DB files can not be open by neither DB explorer, nor the DB Doctor. Both are writing same mistake : #1 2014-09-18 23:32 Hi, one of my DB files can not be open by neither DB explorer, nor the DB Doctor. Both are writing same m ...

 
forum_thread

Modifying something with Explorer -> app JPQL with Enum doesn't work anymore

Hi! Scenario: Copy attached DB into localhost ObjectDB server (I'm running 2.5.1_03). Open attached project JavaEE Maven with NetBeans (7.4 beta in my case). Start ObjectDB on localhost as server. Run project on Apache Tomee 1.5.2 standard. Take a look at NetBeans' output to see how many entities are found with field type GOOD. There are 2 ways generate the bug: #1 2013-09-03 10:13 Hi! Scenario: Copy attached DB into localhost ObjectDB server (I'm running 2.5.1_03). ...

 
forum_thread

can removing an entity throw an exception if the entity is in use?

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<A> list; // list of A's Set<A> set; // set of A's Set untyped; // general collection that may include A's } Objectdb allows me to remove an instance of A, even if a managed B has some reference to that A. When I then find the B instance and try to reference the A, I get an EntityNotFoundException. ... there a query that can return all Objects (@Entity and/or @Embedded) that include any reference to a specific Entity? ...

 
api-jpa

javax.persistence.metamodel.MappedSuperclassType

Instances of the type MappedSuperclassType represent mapped superclass types.(Interface of JPA)

 
issue

NullPointer running multiple client against server

Hi, I'm running objectdb in server mode, config as it comes out of the box. In this case the database is being used as a queue with multiple seperate processes, each with multiple threads, writing messages. The message is split into a lightweight metadata message to allow fast searching and a more heavy weight data message. The put methods are shown below. The message is made up of an id, insert-time, priority and the payload is a large string. Bug Version: 2.2.7 Priority: Normal Status: Fixed Replies: 2 Type:  Bug ...