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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

ObjectDB - Object Database for Java (JPA/JDO)

API (JPA). It is the first persistence solution that combined a powerful database with JPA support in ... your investment. Use a standard Java API. ObjectDB became the first Object Oriented Database with built in support for the two standard Java database APIs: Java Persistence API (JPA) Java Data Objects (JDO

Query Parameters in JPA

(:) followed by a valid JPQL identifier that serves as the parameter name. JPA does not provide an API for defining the parameters explicitly (except when using criteria API), so query parameters ... . Criteria Query Parameters In a JPA query that is built by using the JPA Criteria API - parameters (as

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


. The EntityManager API is used to create and remove persistent entity instances, to find entities by their primary ... ). Parameters: name - the name of a query defined in metadata Returns: the new query instance Throws ... specified by the resultClass argument. Parameters: name - the name of a query defined in metadata

JPA Lifecycle Events

/persistence/orm_1_0.xsd" version="1.0"> <persistence-unit-metadata> <persistence-unit-defaults ... -unit-defaults> </persistence-unit-metadata> </entity-mappings> The mapping file

Storing JPA Entity Objects

"> <persistence-unit-metadata> <persistence-unit-defaults> <cascade-persist/> </persistence-unit-defaults> </persistence-unit-metadata> </entity-mappings> The mapping file

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

ObjectDB 1.0 Manual

class is and which types are supported by JDO. Chapter 4 - JDO Metadata Shows how to define JDO metadata

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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