About connect
Database Connection using JPA
Describes the main JPA interfaces: EntityManagerFactory, EntityManager and EntityTransaction.... database content (useful for tests). To connect to an ObjectDB server registered username and password have to be ...
Server Configuration
Explains how to set a JPA/JDO database server using ObjectDB, the fast Java object database for JPA/JDO.... <connection> element specifies how clients can connect to the server: The port attribute specifies a TPC ...
Database Replication and Clustering
Replication enables maintaining up to date version of an ObjectDB database on multiple nodes.... attributes. The slave server uses these details to connect to the master server in order to listen to updates. The updates are ...
Obtaining a JPA Database Connection
Shows how to use Java/JPA to connect to the ObjectDB Object Database. In JPA a database connection is represented by the EntityManager javax.persistence.EntityManager JPA interface Interface used to interact with the persistence context. See JavaDoc Reference Page... interface. Therefore, ...
Server connection management
The server does not appear to release broken connections. My typical development pattern is to keep reloading my war file in tomcat until the permgen space runs out, and then I kill and restart tomcat. After a few days of this, the server stops responding, and I see the following in the server logs: #1 2011-04-06 14:16 The server does not appear to release broken connections. My typical development pattern is to keep reloading my ...
Database Explorer
Explains how to run and use the ObjectDB object database Explorer to view and manage Java/JPA/JDO objects visually. ObjectDB Database Explorer is a visual GUI tool for managing ObjectDB databases. It can be used to view data in ObjectDB databases, execute JPQL and JDOQL queries and edit the content of databases. This page covers the followi ...
Database Explorer
Explains how to run and use the ObjectDB object database Explorer to view and manage Java/JPA/JDO objects visually. ObjectDB Database Explorer is a visual GUI tool for managing ObjectDB databases. It can be used to view data in ObjectDB databases, execute JPQL and JDOQL queries and edit the content of databases. This page covers the followi ...
JPA Persistence Unit
Explains how to define a JPA persistence unit in the persistence.xml file. A JPA Persistence Unit is a logical grouping of user defined persistable classes (entity classes, embeddable classes and mapped superclasses) with related settings. Defining a persistence unit is optional when using ObjectDB, but required by JPA. ...
Step 3: Create an ObjectDB Data Source
Explains how to create an ObjectDB data source for BIRT reports. Connections to the database are represented in BIRT as data sources. To create an ObjectDB data source: Open the [New Data Source] dialog box by right clicking the Data Sources node in the [Data Explorer] window and selecti ...
Step 4: Create an ObjectDB Data Set
Explains how to create an ObjectDB data set for BIRT reports. Queries against the database are represented in BIRT as data sets. To create the data set: Open the [New Data Set] dialog box by right clicking the Data Sets node in the [Data Explorer] window and selecting New Data Set ...
