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JRebel integration feature

have Netbeans7.1 web applications that will not run when JRebel 4.5.3 is active in combination ... for full redeployment of large web applications that take many minutes to fully redeploy. (No, this is not an ad ... ] Part of complex stacktrace when running my web application with ObjectDB and JRebel: INFO: JRebel

How force always recreate database on redeployment.

application (to Glassfish). My web application uses a @Singleton @Startup bean to create and persist a test model each run. I keep getting models on top of each other on rerunning my web application ... the configuration in effect.' Q: How can I set 'drop' when using a web application container

Glassfish 4 AbstractMethodError: com.objectdb.jpa.EMF.createEntityManager

:601) at org.glassfish.ejb.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1081) at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java ... .core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) at org.netbeans.modules.web

JPA Primary Key

value generation is discussed in detail in the Generated Values section. Application Set Primary ... key value is not generated and the application is responsible to set a primary key by initializing ... public class Project { @Id long id; // must be initialized by the application

What is the Java Persistence API (JPA)?

applications. The main advantage of JPA over JDBC (the older Java API for interacting with databases ... the relational database (as tables and records) and the representation in the Java application (as classes ... Persistence API (JPA). By interacting with ObjectDB using standard JPA you can keep your application

Is ObjectDB better than Object Relational Mapping (ORM)?

database is mandatory (e.g. as a result of a customer request or when a new application is developed ... portable applications that can use both ObjectDB and relational databases. This way you have the best of both worlds - use ObjectDB when applicable for faster development and better performance and use

What are the main benefits of using ObjectDB?

By using ObjectDB you can reduce development time and costs and improve your application ... the execution time of object oriented applications significantly. For instance, collection and map ... , eliminating the intermediate ORM layer further accelerates applications. For instance, ObjectDB processes

Getting Started with JPA - Maven Project

JPA database driven application in Eclipse or NetBeans. Building a new application step by step is an effective way to learn - but if you prefer, you may download and run the result application as ... and run the application from the command line by: > mvn test The current directory


the PersistenceManager at transaction completion. This method allows the application to explicitly provide a hint ... specific. The unwrap method is to be preferred for new applications. Returns: underlying provider ... getTransactionalObjectId, or might have been constructed by the application. If the PersistenceManager is unable


application components. It is the factory for Query and Transaction instances, and contains methods ... at transaction completion. This method allows the application to explicitly provide a hint ... the application. If the PersistenceManager is unable to resolve the oid parameter to an ObjectId instance

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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