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ObjectDB Website - Terms and Conditions of Use

from using or accessing this site. The materials contained in this web site are protected by ... any software contained on ObjectDB Software's web site; remove any copyright or other proprietary ... changes to the materials contained on its web site at any time without notice. ObjectDB Software does
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SSL Configuration

file contains the following <ssl> element: <ssl enabled="false"> <server-keystore path ... a unique signature of your server. This file contains general details (such as a company name), an RSA ... signature. This file is generated from the Keystore file by omitting the private key (it still contains
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Database Transaction Replayer

default, the recording directory is generated in the directory that contains the database file ... contains two types of files: Backup files - with names of the form <transaction-id>.odb Recording ... , contains database operations that have been recorded after that transaction. Recorded operations
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JPA Persistence Unit

classes in the JAR that contains the persistence.xml file (if it is packed) are registered automatically ... classes under the classpath root directory that contains the META-INF/persistence.xml file ... are available only when the containing classes become known to ObjectDB, for example when a first instance of the class is stored in the database.
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JPA Primary Key

of other persistable types are always stored as part of their containing entity objects and do not ... are defined in an embeddable class. The entity contains a single primary key field that is annotated with @EmbeddedId and contains an instance of that embeddable class. When using this form
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JPA Entity Fields

transient4; // not persistent because of @Transient } The above entity class contains ... . When an entity object is stored in the database every persistent field must contain either null or a value ... Fields Inverse (or mapped by) fields contain data that is not stored as part of the entity in
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javax.persistence.EntityManager

manager is container-managed Since: JPA 1.0 boolean contains(Object entity) Check if the instance ... . The select list of the query must contain only a single item, which must be assignable to the type ... Persistence query language statement. The select list of the query must contain only a single item
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Detached Entity Objects

address; : } In the example above, the Employee entity class contains an address field ... address; : } In the example above, the Employee entity class contains an address field
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Step 3: Define an EJB Session Bean

application servers such as GlassFish and JBoss, and not by servlet containers, such as Tomcat and Jetty. By using EJB classes we can move some work from the application to the EJB container (i.e
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javax.jdo.JDOEntityManager

, a JDOOptimisticVerificationException is thrown. This exception contains a nested JDOOptimisticVerificationException ... to the database will not be persisted. Since: JPA 1.0 boolean contains(Object entity) Check ... query. The select list of the query must contain only a single item, which must be assignable

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.

Need Help?

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