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ObjectDB License

classes and one million entity objects per database file ... software and using it without these restrictions database/license">requires purchasing a license ... . A license is required for every machine on which ObjectDB databases are managed, but using

JPA Query API

denominator of all the result objects is Object. When a more specific result type ... the above code, the same JPQL query which retrieves all the Country objects in the database is represented by both q1 and q2. When building a

Company

ObjectDB Software develops, markets and supports the ObjectDB Object-Oriented Database ... Data Objects (JDO) standards, since ObjectDB is the first object oriented database with built in ... well as smaller companies and start-ups, governments and defence forces. When database performance

JPA Named Queries

>that retrieves all the Country objects in the database: setLockMode and Object ... , including the definition of named queries. But, because mapping files are useful mainly for Object

ObjectDB 2.9 Developer's Guide

;   Shows how to use JPA to store, retrieve, update and delete database objects ... . Here you can learn how to develop database applications using ObjectDB and JPA (Java Persistence API ... database programming using ObjectDB and JPA.

Step 4: Add a Servlet Class

that will be added in the next tutorial step) - a new Guest entity object is constructed and stored in the database. All the Guest entity objects are retrieved from the database and stored in the request's "guest" attribute. Then the processing is forwarded to the JSP

Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class ... >The new class should represent Guest objects in the database. Besides the that will manage a JPA's EntityManagerFactory representing the ObjectDB database.

Step 4: Add a Servlet Class

>Guest entity object is constructed and stored in the database. All the Guest entity objects are retrieved from the database and stored in the request's "guest ... >Notice that operations on the database are carried on by the GuestDao session bean

Step 3: Add a Context Listener Class

The Guest entity objects will be stored in an ObjectDB database ... >The database will be opened (or created if not existing yet) when the web application starts, by instantiating an EntityManagerFactory. The database will be closed when the web

Step 3: Add a Context Listener Class

The Guest entity objects will be stored in an ObjectDB database ... >The database will be opened (or created if not existing yet) when the web application starts, by instantiating an EntityManagerFactory. The database will be closed when the web