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JPA Query API

Describes the API that JPA provides for running queries against the database. Queries are represented in JPA 2 by two interfaces - the old Query javax.persistence.Query JPA interface Interface used to control query execution. See JavaDoc Reference Page... interface, which was the only interfac ...

 
release

2.2.9

Release date: 2011-08-10 Download (5.15 MB) Binary:  objectdb-2.2.9.zip You should start by following a  tutorial or reading the manual ...

 
manual

Running JPA Queries

Explains how to use JPA to run Java Persistence Query Language (JPQL) queries. The Query javax.persistence.Query JPA interface Interface used to control query execution. See JavaDoc Reference Page... interface defines two methods for running SELECT queries: Query.getSingleRes ...

 
release

2.7.3_01

Release date: 2017-12-06 Download (5.58 MB) Binary:  objectdb-2.7.3_01.zip Version 2.7.3_01 Version 2.7.3 Fixed a bug in qu ...

 
release

2.7.3

Release date: 2017-12-01 Download (5.58 MB) Binary:  objectdb-2.7.3.zip Version 2.7.3 Fixed a bug in query execution optimization ( ...

 
release

2.7.2

Release date: 2017-10-09 Download (5.59 MB) Binary:  objectdb-2.7.2.zip Version 2.7.2 Added initial support for Java 9 . ...

 
manual

UPDATE SET Queries in JPA/JPQL

Explains how to apply server side bulk update using a JPA/JPQL query. Existing entity objects can be updated, as explained in chapter 2 , by: Retrieving the entity objects into an EntityManager . Updating the relevant entity object fields within an active transaction. ...

 
manual

Database Management Settings

Explains settings and performance tuning of the ObjectDB Java object database for JPA/JDO. The <database> configuration element specifies back end (database engine) settings which are relevant on the server side and in embedded mode. The default configuration file contains the following <database> element: ...

 
release

2.3.0

Release date: 2011-09-21 Download (5.32 MB) Binary:  objectdb-2.3.0.zip You should start by following a  tutorial or reading the manual ...

 
manual

[ODB1] Chapter 4 - JDO Metadata

Shows how to define JDO metadata for persistence capable classes. A JDO metadata file is an XML file with a '.jdo' suffix, containing information about one or more persistent classes. All the persistent classes, and only them, have to be declared in a metadata file. The metadata is used first by the JDO Enhancer, and ...