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[ODB1] Chapter 5 - JDO Connections

The PersistenShows how to use database connections and transactions in JDO. ceManagerFactory interface represents a factory of database connections. Its main role is to provide PersistenceManager instances. The PersistenceManager interface represents a database connection. Every operation on a database requires a PersistenceManager instance. The Transaction interface represents a transaction on a database. Every operation that modifies the content of the database requires an active transaction.[toc hidden:1] This chapter describes three essential interfaces for using JDO: 5.1  javax.jdo.PersistenceManagerFactory 5.2  javax.jdo.PersistenceManager 5.3  javax.jdo.Transaction The PersistenceManagerFactory ...

 
release

2.6.8

Release date: 2016-05-23 Download (5.57 MB) Binary:  objectdb-2.6.8.zip Version 2.6.8 Added JPA XML validation schema files to Mave ...

 
forum_thread

Out of memory

Hi, Today in the middle of the night ODB just crashed leaving this on console screen: ... New build works OK. No more strange directories and every query works fine. ...

 
tutorial

Step 6: Run the Web Application

Shows how to run the NetBeans/JPA web application tutorial. You can run the application now by right clicking the GuestServlet node (in the [Projects] window), selecting Run File , and then clicking  OK (no need to change the servlet execution URI). Since we are using ObjectDB in embedded mode - ...

 
tutorial

JPA Web App Tutorial - Maven Project

The JPA Web Application tutorial for Tomcat / Jetty as a Maven project (download & run). The  JPA Web Application tutorial provides step by step instructions on how to build a simple Java/JPA database driven web application (for Tomcat / Jetty) in  Eclipse or  NetBeans . Building a new application step by s ...

 
tutorial

Step 6: Run the Java EE 6 Application

Shows how to run the NetBeans/JPA Java EE (J2EE) web application tutorial. You can run the application now by right clicking the  GuestServlet node (in the [Projects] window), selecting  Run File , and then clicking  OK (no need to change the servlet execution URI). Since we are using ObjectDB in embedded mode - ...

 
tutorial

Step 2: Entity Class and Persistence Unit

Explains how to define a JPA entity class and a persistence unit (persistence.xml) in an Eclipse Spring MVC web application project. To store objects in an ObjectDB database using JPA we need to define an entity class: Right click the project node (in the [Package Explorer] window), select  New > Source Folder , enter src/main/java as Folder ...

 
forum_thread

InternalError on multiple AND and JOIN Query

Hi, Using objectdb 2.2.8_06. Running the following query: SELECT DISTINCT $1 FROM CDI $1 JOIN $1.contactDetails $2 JOIN $2.addresses $3 JOIN $3.attributeList $4 JOIN $2.phoneNumbers $5 JOIN $5.attributeList $6 WHERE ((($4.name='suburb') AND ($4.valueAsString='Los Angeles')) AND (($6.name='areacode') AND ($6.valueAsString='310'))) Getting: #1 2011-07-22 01:36 Hi, Using objectdb 2.2.8_06. Running the following query: SELECT DISTINCT $1 FROM CDI $1 JOIN $1. ...

 
tutorial

Java EE 6 JPA Tutorial - IntelliJ Project

Opening a Java EE 6 JPA Maven web application project in the IntelliJ IDEA. To open and run the  Java EE 6 Web Application tutorial project in IntelliJ IDEA: Download and extract the project zip file: Java EE 6 JPA Web App - Maven Project (6KB) . Open the project in IntelliJ IDEA: Select  File > Open Proj ...

 
forum_thread

Issue deploying EJB project to Jboss/Glassfish

I have been trying to deploy an EJB project created in Eclipse/Juno to both JBOSS and Glassfish.  The error I get with Glassfish is #1 2012-12-07 22:12 I have been trying to deploy an EJB project created in Eclipse/Juno to both JBOSS and Glassfish.  The error ...