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4

SSL Configuration

signature. This file is generated from the Keystore file by omitting the private key (it still contains ... the middle attack"). The server, on the other hand, might be less selective and allow connections from any ... the server is also required a Keystore file (which might be different from the server Keystore
4

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
4

Database Management Settings

, the recovery file can be used to fix the database. Recovery from failure is automatically applied by ObjectDB ... are generated by running the Activator utility: > java -cp objectdb.jar com.objectdb.Activator from ... Enhancer (when using the OEM license) are signed and excluded from evaluation restrictions
4

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
4

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 ... retrieves all the countries whose population does not exceed a specified limit: SELECT c FROM
4

Chapter 6 - Configuration

, the configuration file is loaded from $objectdb/objectdb.conf where $objectdb represents the ObjectDB home ... from the location of the objectdb.jar file. It is defined as the path to the directory in ... file is loaded from $objectdb/objectdb.conf. You can specify an alternative path by setting
0

Step 3: Define an EJB Session Bean

() { TypedQuery<Guest> 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
0

Step 4: Add a Servlet Class

<Guest> 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
0

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
0

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

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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