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JPA Doc
6

javax.persistence.metamodel.MappedSuperclassType

to the version attribute declared by the entity or mapped superclass. Return the attribute that corresponds to the version attribute declared by the entity or mapped superclass. Parameters: type - the type of the represented declared version attribute Returns: declared version attribute Throws
JPA Doc
5

javax.persistence.EntityManager

has a version attribute, the persistence provider must perform optimistic version checks ... mode other than NONE is specified OptimisticLockException - if the optimistic version check fails ... has a version attribute, the persistence provider must perform optimistic version checks when obtaining
Manual
5

Index Definition

can only be defined on ordinary persistent fields (not on primary key / version fields). Composite Index A composite
Manual
5

Logical Operators in JPQL and Criteria API

the isTrue method. This is required because in the non binary version the factory methods accept
FAQ
5

Is ObjectDB better than competing object databases?

for the Java Persistence API (JPA). It also supports a more recent and advanced version of the Java
FAQ
5

Can I use ObjectDB with languages other than Java?

ObjectDB can be used by Java Virtual Machine (JVM) languages, such as Java, Groovy and Scala. It can also be used with other languages, such as Phyton, Ruby and PHP, but currently only with their JVM implementations (e.g. Jython for Phyton, JRuby for Ruby and Quercus for PHP). A version of ObjectDB
Manual
5

Database Server

: ObjectDB Server [version 2.0] Copyright (c) 2010, ObjectDB Software, All rights reserved
Manual
5

Storing JPA Entity Objects

/ns/persistence/orm http://java.sun.com/xml/ns/persistence/orm_1_0.xsd" version="1.0
Manual
5

JPA Lifecycle Events

/persistence/orm_1_0.xsd" version="1.0">
FAQ
5

What are the system requirements for using ObjectDB?

ObjectDB requires Java 5 or later (Java 6 is preferred). As a pure Java application, ObjectDB should be able to run on any platform that supports the Java Standard Edition. Either the Java Development Kit (JDK) or the Java Runtime Environment (JRE) can be used. A version of ObjectDB for .NET is currently under development.