ObjectDB ObjectDB

Internal Website Search

51-60 of 200 resultsRefresh

An InternalException occurs when gets an result list

An InternalException occurs when gets an result list

JPA Metamodel API

has a single ID attribute: boolean hasSingleId = entityType.hasSingleIdAttribute(); // Gets a single ... .class); // Gets a single ID attribute - excluding inherited: SingularAttribute<MyEntity,Long ... attribute: boolean hasVersion = entityType.hasVersionAttribute(); // Gets the version attribute

Online Backup

applications that provide round the clock service (24/7/365) such as most web applications. Starting Online Backup The online backup can be started by executing a special query on an EntityManager (em ... under the ObjectDB home directory. Online Backup Thread Executing the backup query starts the backup

Database Explorer

, when the Explorer starts it tries to open a connection to the most recently used database ... when the Explorer starts. The [Table (instead of Tree) as a default viewer window] check box specifies

JPA / JDO Class Enhancer

: Quick Start with JPA JPA Web Application Java EE JPA Spring MVC and JPA Similarly, enhancement ... can be started by: > java -javaagent:c:\objectdb\bin\objectdb.jar MyApplication If the JVM is run

Step 1: Create a Maven Web Project

We start by creating a new Maven-WTP dynamic web project in Eclipse: Open the [New Project] dialog box, e.g. by using File > New > Project... Select Maven > Maven Project and click Next. Verify ... > <id>start-jetty</id> <phase>pre-integration-test</phase> <goals

Step 3: Add a Context Listener Class

if not existing yet) when the web application starts, by instantiating an EntityManagerFactory ... attribute in the servlet context - when the web application starts (contextInitialized). Retrieves

[ODB1] Chapter 6 - Persistent Objects

When a new object is constructed by the new operator, it always starts as a transient object ... above also starts out as a transient object. It, however, becomes persistent, not by an explicit ... can easily start from them, as explained in the next section. 6.3 Retrieving Persistent Objects

[ODB1] Chapter 2 - A Quick Tour

This chapter introduces basic ObjectDB and JDO concepts, using two sample programs. We start ... , but it is a good sample to start with because of its simplicity. We then proceed with the JDO Person ... point at development time. It starts by enhancing necessary classes (line 8). JDO enhancement includes


store connection. Since: JDO 1.0 boolean getCopyOnAttach() Gets the default copyOnAttach setting for all PersistenceManager instances obtained from this factory. Gets the default copyOnAttach setting ... : the DataStoreCache Since: JDO 2.0 boolean getDetachAllOnCommit() Gets the detachAllOnCommit setting. Gets

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support