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Manual
40

JPA Persistence Unit

Explains how to define a JPA persistence unit in the persistence.xml file.
Tutorial
40

Step 4: Create an ObjectDB Data Set

Explains how to create an ObjectDB data set for BIRT reports.
Manual
30

Database Explorer

the shell file, setting the paths to the objectdb.jar file and to the JVM). Connecting to the Database Opening a Database Connection To open a local database file in embedded mode use the File > Open ... select File > Open C/S Connection... and provide host, port, username and password for a client-server
JDO Doc
25

javax.jdo.PersistenceManagerFactory

be configured. If the ConnectionFactory property is set (non-null) then all other Connection properties ... ) then all other Connection properties are ignored. Similarly, if the ConnectionFactory2 property ... , connection pooling, operational parameters) must not be serialized. Since: JDO 1.0 void
Result
24

ObjectDB Object Database Features

. Up to 9,223,372,036,854,775,808 entity objects per database file. Unlimited database connections (limited only by ... and algorithms (as a result of years of R&D). Outperforms competing products. Connection Pooling Automatic connection pool managed by EntityManagerFactory. Configurable - minimum/maximum connections
Forum
22

Server connection management

The server does not appear to release broken connections. My typical development pattern ... : [odb:server:fatal] com.objectdb.o.UserException: Too many open connections (100) at com ... to have a configuration setting that would tell the server to close connections after a period of inactivity
Forum
21

connection pooling

how do you handle connection pooling?  I don't understand how to open and close connection, or reconnect. I've referenced the manual here, but where does this go:   The <connection> element   <connection port="6136" max="100" /> The <connection> element specifies how clients can connect
Manual
21

Server User List

a username and a password that have to be provided when the user connects to the server. The optional 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
Tutorial
21

Step 4: Add a Servlet Class

ServletException, IOException { // Obtain a database connection: EntityManagerFactory ... { // Close the database connection: if (em.getTransaction().isActive ... connection) is constructed. If a new guest has registered (using a JSP form that is shown in
Tutorial
21

Step 4: Add a Servlet Class

{ // Obtain a database connection: EntityManagerFactory emf = (EntityManagerFactory ... connection: if (em.getTransaction().isActive()) em.getTransaction().rollback ... , and then an EntityManager (representing a database connection) is constructed. If a new guest