Fast Object Database for Java - with JPA/JDO support

ObjectDB ObjectDB

About DAO

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449	Step 3: Define a Spring DAO Component Operations on the database will be performed by an instance of a Data Access Object (DAO ... . The Package should be guest. Click Finish to create the new DAO Spring component class. Now replace ... the instantiation of the DAO component class and injects an instance of the DAO component class into
449	Step 3: Define a Spring DAO Component Operations on the database will be performed by an instance of a Data Access Object (DAO ... name. Click Finish to create the new DAO Spring component class. Now replace the content of the new ... Framework. For instance, in this example the Spring container: Manages the instantiation of the DAO
53	Step 3: Define an EJB Session Bean Explains how to define an EJB session bean in a NetBeans Java EE web application.
53	Step 3: Define an EJB Session Bean Explains how to define an EJB session bean in an Eclipse Java EE 6 web application.
21	Step 2: Entity Class and Persistence Unit is adding a Spring DAO Component class that will manage Guest entity objects.
21	Step 2: Entity Class and Persistence Unit . The next step is adding a Spring DAO Component class that will manage Guest entity objects.
21	Step 4: Add a Servlet Class ; // Injected DAO EJB: @EJB GuestDao guestDao; @Override protected void doGet
21	Step 4: Add a Servlet Class final long serialVersionUID = 1L; // Injected DAO EJB: @EJB GuestDao guestDao
5	Mismatch client-server protocol prefix more information? Is it different from what was used before migration? No wed didn't change anything in our DAOs ... (ReflectiveMethodInvocation.java:157) at org.springframework.dao.support ... .proceed(ReflectiveMethodInvocation.java:157) at org.springframework.dao.support
5	UnexpectedException on query generic dao. [ObjectDB 2.2.5] Unexpected exception (Error 990) Generated by Java HotSpot(TM ... ) at com.googlecode.genericdao.dao.jpa.JPABaseDAO._removeById(JPABaseDAO.java:113) at com.googlecode.genericdao.dao.jpa.GenericDAOImpl.removeById(GenericDAOImpl.java:93) at com.contextspace.dao

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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About ObjectDB	Getting Started	Support
DBMS Features	Quick Tour with JPA	ObjectDB FAQ
Editions and Prices	JPA Console Tutorial	ObjectDB Manual
Licence	Web App Tutorial	Forum
Attributions	Java EE JPA Tutorial	Issue Tracking
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Copyright © 2003, 2010, 2021 ObjectDB Software, all rights reserved. The JPA API Reference Documentation (JavaDoc) on this website is derived with some adjustments from the open source JPA 2 RI (EclipseLink) and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0. The JDO API Reference Documentation (JavaDoc) on this website is derived with some adjustments from the JDO 2.2 API and is available under the terms of the Apache License, v. 2.0. Images on this website are available under these licecnes. Documentation on this website explains how to use JPA in the context of the ObjectDB Object Database but mostly relevant also for ORM JPA implementations, such as Hibernate (and HQL), EclipseLink, TopLink, OpenJPA and DataNucleus. ObjectDB is not an ORM JPA implementation but an Object Database (ODBMS) for Java with built in JPA 2 support.