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56

Embedded in JDO metadata not working in objectDB 2.x ?

Hi, I am using JDO access to the database with the persistence defined in package.jdo XML metadata files. In those metadata files I have few persistence-capable classes which had extents in ObjectDB ... and own OID) in those few peristence-capable ones. Example of JDO metadata: <class name="ProjectPart
54

Difference performance in ObjectDB Explorer and in java project

Hello, I am learning ObjectDB and i noticed that the queries that are executed in ObjectDB Explorer are faster (about 5 ms) than queries in my project (~400 ms). Here is my JPQL query : SELECT p ... of explorer? P.S. Two source files are attached. Konstantin Konstantin Queries are executed in
54

DB reading fails in debug mode in Eclipse

. Here is the structure (JDO metadata) of 3 classes which I am storing as values in a HashMap of another entity in the DB. <jdo> <package name="my.example.package">     <class name="InnerSettings ... and IDs in the DB. My application works fine with them up to I try to launch it in debug mode in
54

Accessiblity of attributes in entities in several OSGi-Bundles

. There are three entities in two OSGi-Bundles and we execute importRequirements() in RequirementServiceImpl ... (RequirementImportServiceImpl.java:146) btc_es BTC EmbeddedSystems In another use case we have a similiar problem: java.lang ... to access a new entity object that was persisted in one transaction from another concurrent
54

Using Enum type in NamedQuery: Field is not found in type

I'm trying to switch an application that worked fine in Hibernate to ObjectDB and am having issues ... Type {     A,B,C } that is stored in an @Enumerated member variable private Type type; @Enumerated public Type getType() {     return type; } I then try to query this field in the following
54

Fields in objects not populated in query result.

? This code had worked at some point in the past, but may have been a victim of an objectDB upgrade. dhosek Don Hosek A possible reason could be a partial enhancement. ObjectDB can populate fields in both enhancement mode and reflection mode but mixing modes is not supported and if some classes in
54

how to create in memery database in objectdb

plz can u give or help me how to create in memory database in objectdb with example yadavanil anil yadav See answer in this forum thread (also use that other thread for further discussion). support Support
52

Error in reading Enum in JPA - Failed to read using reflection

Error in reading Enum in JPA - Failed to read using reflection
10

A bug in the JDOQL processor in recent versions of ObjectDB

There seems to be a bug in the JDOQL processor in recent versions of ObjectDB. I've uploaded a "laptop" example to demonstrate the problem. The query in Test1.main should return "ThinkMachine MAX SX 20", but it returns incorrect "Media Central Media 555". Earlier versions (at least up to 2.5.4
9

JPA Entity Fields

and inverse fields) can be used in both entity classes and embeddable classes. However, the last two groups (primary key and version fields) can only be used in entity classes. Primary key fields are discussed in the Primary Key section. Transient Fields Transient entity fields are fields

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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