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Tutorial
5

Step 3: Define an EJB Session Bean

application servers such as GlassFish and JBoss, and not by servlet containers, such as Tomcat and Jetty. By using EJB classes we can move some work from the application to the EJB container (i.e. to the application server). For instance, in this application the server: Manages the instantiation
Tutorial
5

Step 3: Define an EJB Session Bean

are only supported by Java EE application servers such as GlassFish and JBoss, and not by servlet containers, such as Tomcat and Jetty. By using EJB classes we can move some work from the application to the EJB container (i.e. to the application server). For instance, in this application the server
Tutorial
4

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
Manual
4

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
FAQ
4

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
JPA Doc
4

javax.persistence.spi.PersistenceUnitInfo

, be uniquely named and be resource-loadable from the application classpath. Each mapping file name ... PersistenceUnitInfo.getClassLoader. None of the classes loaded by this class loader will be visible to application ... unit. (If the persistence unit is rooted in the WEB-INF/classes directory, this will be the URL
JDO Doc
4

javax.jdo.PersistenceManager

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
Forum
4

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check") vs. generic classes with interfaces: detailed investigation

there issues before. Regarding setting system properties in web applications, without getting into ... the property is set by your web application. Thanks, objectdb-2.6.9_06.jar seems to work ... are crucial to an Expert System web app I develop; please do not be further concerned
Forum
4

Modifying something with Explorer -> app JPQL with Enum doesn't work anymore

console application. If this is not possible, you may create an issue with the current report and web ... . We understand that it is easier for users that develop web application to post web applications as ... you more ideas about what might be. Attempt to run the web application at #1 above failed with many exceptions
Manual
4

Server Configuration

of an ObjectDB server is similar to the document root directory of a web server. Every database file