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12

Storing objects problem

I want to save this object to database: @Entity public class Device {     private String name ... > children; } An object contains a list of other devices which are also type Device. My root device ... for that children devices and they don't have their children devices. I'm new to this object database so I
Forum
12

Object as parameter results in exception

Hi,    I've got a simple JPA2 Criteria query which fails when doing an object equality. I verified ... ) {   mLogger.info("Fetching type: {} with id {} with company: {}", new Object[]{managedClass, primaryKey ... {} with company: {}", new Object[]{managedClass, primaryKey, company});   CriteriaBuilder qb
Forum
12

Attempt to remove a detached entity object (error 613)

Hello, that's a strange error for me ... I have a detached object in my Java code and i just wanted ... a detached entity object (error 613)      at com.objectdb.jpa.EMImpl.commit(EMImpl.java:290) We see in this stack trace that is a commit operation, all right ... So why does it try to remove the object
Forum
12

Detaching objects after JOIN FETCH

Hi, I have a question about detaching objects after issuing query with JOIN FETCH. Let's say I ... above, detached objects are visible even after closing em. 2. When using mappedBy in class B (this is the case in my code), detached objects from relation are not visible. I should add mappedBy in
Forum
12

Error 613 - i cant put a list<Athlete> into a Squad object

which stores Athlete Objects, the Athlet has another embeddedCollection of Marks ... all the objects that are reachable from objects that you persist are also persistent. Any ... . See the Storing JPA Entity Objects page in the ObjectDB manual for more details. ggrassi
Issue
12

JPA Composite Key make Object Db throws "Unexpected exception (Error 990)"

Hello Object Db community :) I am using this wonderful library and I caught a strange exception ... are compliant with the object Db Documentation: http://www.objectdb.com/java/jpa/entity/id Unfortunately, while merging the entity, object db is throwing the following Exception : [ObjectDB 2.4.0
Forum
12

Object DB vs EclipseLink/TopLink: Unloaded relationships in detached entities

a FETCH JOIN as described here: Detach JPA objects with lazy initialized properties This has the big ... .eclipse.org/mhonarc/lists/eclipselink-users/msg05258.html: Detached Objects get the connection need ... their proxies to retrieve additional dettached instances. If the object was detached through serialization
Forum
12

Object explorer cannot open odb file. ObjectDB many-to-many relationship

get an Assignement object from User object and Underlying object (but not through theirs keys). I'd like to work with typed object in the code whenever possible, and make key usage as transparent as possible
Issue
12

Sort of very large objects - out of memory

the following actions: 1) Create 5 persist threads which create and persist a large object in a loop 100 times each 2) Create 5 get threads which read 100 objects each in a loop based on object ... processing mechanism in sorting very large objects. This requires a fix, but meanwhile, adding a composite
Forum
12

Query can't see recently persisted object

does not appear to present a read consistent view of persisted objects within the same transaction. e ... . However if I call flush() on the EntityManager after the persist() the object will be found. Clearly ... the transaction. Is there a way of using or configuring ObjectDB to ensure read consistency of objects persisted