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JPA 2.0 Criteria API: (When) Fully supported ?

implementation creates a JPQL query string for fetching while the JPA 2.0 implementation uses Criteria API ... the Criteria API implementation which prevents correct negation of conjunction and disjunction ... API. * ObjectDB 2.1.0 - FAIL. Does not support Criteria API: java.lang.UnsupportedOperationException

Enhancement API - NullPointerException

Hi! I am trying to use the Enhancement API from within my application like this: com.objectdb.Enhancer.enhance("my.package.Foo"); However, I get the following NullPointerException: [ObjectDB 2.7.1 ... , the class exists and trying the API with a non-existent class gives me the expected "is not found by

Is ObjectDB better than competing object databases?

: ObjectDB is unique in supporting the standard APIs. It is the only object database with built in support for the Java Persistence API (JPA). It also supports a more recent and advanced version of the Java Data Objects (JDO) API than competing object databases. By using a standard API such as JPA

JPA Queries

Queries are represented in JPA by the Query and TypedQuery interfaces: The JPA Query API section ... . "SELECT c FROM Country"). Criteria Query API Building dynamic queries with a structure that is known ... concatenating JPQL strings into a valid complete JPQL query. JPA 2 introduced the JPA Criteria Query API, as

Why does ObjectDB duplicate classes from javax.jdo:jdo-api?

Hello, I'm using the Java Persistence API (JPA) in a library to not lock myself in to using ... the @Index annotation, I had to add a dependency to the JDO API version 3.1. The code works just ... out that both ObjectDB and the JDO API expose the same classes. I was wondering: is there was a reason

No Entity Class API

and should not be bound to specific entity classes and persistent fields. Therefore, an API for accessing ... database with no original classes: Use the Metamodel API to find details on the entity classes in ... exists in the database and missing from the classpath. Use Java reflection API with information from

JPA Query Criteria API (JPA 2.0)

The JPA Criteria API supports dynamic definition of JPQL queries using CriteriaBuilder as a factory ... API in expected in future versions. support Support Implementation of the JPA Criteria Query API ... .2.0 was just released with full support of the JPA Criteria Query API, including complete test coverage and documentation. support Support

Enhancer API (JDO 3.0)

One of the new features of JDO 3 is a standard API for enhancement. Currently ObjectDB implements its own enhancement API. support Support

ArrayIndexOutOfBounds with Critera API and function call

Hello, This is getting really frustrating sorry but we're close before delivering our app to our customer and went against a show-stopper again. We're building a simple query with the criteria api ... () { return 100; } }; Create Selection Query (Critera-API) from * TestEntity and add WHERE class

Strange Error with Criteria API and Sorting

the sorted results. However, running this with the criteria API produces this error: Caused by: com

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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