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JPA Entity classes are user defined classes whose instances can be stored in a database. To store data in an ObjectDB database using JPA you have to define entity classes that represent your application data object model. This chapter explains how to define and use entity

responsibilities with respect to end users, business partners and the like. While this license

persistable otherwise (e.g. a user defined class, which is not an entity class, mapped super class or

/points.odb;user=admin;password=admin).

>Instances of user defined classes (entity classes and embeddable classes) can be compared by using

to other users (who use other EntityManager instances) only after commit.

query based on fields that a user fills at runtime in a form that contains many optional fields

Entity objects are in-memory instances of entity classes (persistable user defined classes), which can represent physical objects in the database. Managing an ObjectDB Object Database using JPA requires using entity objects

and indexing capabilities. Effective in heavy loaded multi-user environments.

.user" value="admin"/> <property name="javax.persistence.jdbc.password" value="admin"/>