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the configuration file, particularly the users"><users> ... ; <!--   <replication url="objectdb://localhost/my.odb;user=admin;password=admin" /> ... /my.odb;user=admin;password=admin" /> The <replication> elements

code of compiled classes after compilation. Enhancement is mainly for user-defined persistable classes ... >the get and set methods). If you follow this practice only user defined persistable ... to input user classes -pu <name> :  persistence unit name -s :  include

;<url-history size="50" user="true" password="true" /> <log path="$objectdb/log/" max ... ; element   <url-history size="50" user="true" password="true ... size. The user attribute specifies if user names should be saved

data by two concurrent users. Locking in ObjectDB (and in JPA) is always at the database object level ... by another user (using another EntityManagerA PESSIMISTIC_READ lock request fails if another user (which is represented by

that represent anything but entity objects (e.g. values of system types and user defined embeddable ... _constructor_expressions">user defined result objects are also supported by the JPA criteria query  ... instances of a user defined class (

A JPA Persistence Unit is a logical grouping of user defined persistable classes (entity classes ... .jdbc.user" value="admin"/> <property name="javax.persistence.jdbc.password" value ... Persistable Classes JPA requires registration of all the user defined persistable classes (entity

to anyone who uses em, even before committing the transaction (but not to users of other users. JPA 2 adds support for pessimistic

specification limits the use of makePersistent(...) to instances of user ... default, system types are embedded and user defined types (like the Address instance ... , while instances of user defined persistent classes are not (more details are provided in

to user defined classes are excluded by default. The default-fetch-group attribute can change ... embeds objects by default, for all fields except fields whose type is a user defined persistent classes or java.lang.Object. To use embedded objects for fields of user defined persistent

Persistent Classes are user defined classes whose instances can be stored in a database using ... ). Portable JDO applications, however, should only store instances of user defined persistent ... classpath for input user classes -d output path for enhanced classes -s