About JDO

api-jdo

javax.jdo.JDOFatalException

This class represents exceptions that are fatal; that is, the condition that caused it cannot be bypassed even if the operation is retried.(Exception of JDO)

 
api-jdo

javax.jdo.identity.SingleFieldIdentity

This class is the abstract base class for all single field identity classes.(Class of JDO)

 
api-jdo

javax.jdo.JDODataStoreException

This class represents data store exceptions that can be retried.(Exception of JDO)

 
api-jdo

javax.jdo.JDOUserException

This class represents user errors that can possibly be retried.(Exception of JDO)

 
api-jdo

javax.jdo.JDOObjectNotFoundException

This class represents exceptions caused by the user accessing an object that does not exist in the datastore.(Exception of JDO)

 
api-jdo

javax.jdo.JDOFatalDataStoreException

This class represents data store exceptions that cannot be retried.(Exception of JDO)

 
api-jdo

javax.jdo.JDOUserCallbackException

This class represents exceptions caused by exceptions thrown during execution of callbacks or listeners.(Exception of JDO)

 
forum_thread

'DROP TABLE' in ODB?

Let's say I no longer need some entity in my project and after deleting all the objects of this type in database I want to remove this type from schema. How can I do this? Is there something like SQL 'drop table' in ODB? ... Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ... not to work http://www.objectdb.com/database/jdo/manual/chapter9#Editing_the_Database --> Class Management ...

 
manual

ObjectDB 1.0 Manual

Welcome to the ObjectDB for Java/JDO Developer's Guide. Here you can learn how to develop database applications using ObjectDB and JDO (Java Data Objects), the revolutionary database programming technology by ... of this guide is to familiarise you with ObjectDB and JDO in a very short time. Guide Structure The first two ...

 
manual

[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]... chapter describes three essential interfaces for using JDO: 5.1  javax.jdo.PersistenceManagerFactory 5.2  javax.jdo.PersistenceManager ...