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Manual
8

Database Management Settings

, the recovery file can be used to fix the database. Recovery from failure is automatically applied by ... by running the Activator utility: > java -cp objectdb.jar com.objectdb.Activator from the command ... (when using the OEM license) are signed and excluded from evaluation restrictions
Manual
8

Database Server

are: The ability to access and use databases from different processes simultaneously. The ability to access ... Server tool is bundled in the objectdb.jar file. You can run it from the command line as follows ... of the ObjectDB directory must be preserved because server.exe tries to locate and load the objectdb.jar from
Manual
8

Logical Operators in JPQL and Criteria API

retrieves countries whose population and area (both) exceed specified limits: SELECT c FROM ... The following query retrieves countries whose population or area exceeds a specified limit: SELECT c FROM ... query retrieves all the countries whose population does not exceed a specified limit: SELECT c FROM
Tutorial
8

Step 3: Define a Spring DAO Component

= em.createQuery( "SELECT g FROM Guest g ORDER BY g.id", Guest.class); return ...  Guest objects from the database. By using Spring components we can move some work from
Tutorial
8

Step 3: Define a Spring DAO Component

( "SELECT g FROM Guest g ORDER BY g.id", Guest.class); return query ... from the database. By using Spring components we can move some work from the application to the Spring
Tutorial
8

Step 3: Define an EJB Session Bean

() { TypedQuery query = em.createQuery( "SELECT g FROM Guest g ORDER BY g.id", Guest ... - for retrieving all the existing Guest objects from the database. EJB classes are only supported by Java EE ... and Jetty. By using EJB classes we can move some work from the application to the EJB container (i.e
Tutorial
8

Step 3: Define an EJB Session Bean

> getAllGuests() { TypedQuery query = em.createQuery( "SELECT g FROM Guest g ... the database. getAllGuests - for retrieving all the existing Guest objects from the database. EJB classes ... containers, such as Tomcat and Jetty. By using EJB classes we can move some work from the application
Tutorial
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Step 4: Add a Servlet Class

FROM Guest g", Guest.class).getResultList(); request.setAttribute("guests", guestList ... : The EntityManagerFactory is retrieved from the application scope attribute, and then an EntityManager ... the database. All the Guest entity objects are retrieved from the database and stored in the request's
Tutorial
8

Step 4: Add a Servlet Class

guestList = em.createQuery( "SELECT g FROM Guest g", Guest.class ... performs the following operations on every http request: The EntityManagerFactory is retrieved from ... are retrieved from the database and stored in the request's "guest" attribute. Then the processing
Manual
8

Server User List

ip attribute, if specified, restricts the user to connect to the server only from the specified IP ... .0.0-192.18.194.255,127.0.0.1" allows connecting from any IP address in the range of 192.18.0.0 to 192.18.194.255, as well as from 127.0.0.1. The admin attribute (whose value is "true" or "false