About managed

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Forum
14

ObjectDB Project Management

ObjectDB Project Management
Forum
14

Entity Management Config questions

Entity Management Config questions
JDO Doc
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javax.jdo.Constants

. Since: JDO 2.1 String ANONYMOUS_PERSISTENCE_MANAGER_FACTORY_NAME The name of the anonymous ... listener element in the JDO configuration file. Since: JDO 2.1 String ELEMENT_PERSISTENCE_MANAGER_FACTORY The name of the persistence manager factory element in the JDO configuration file. The name
JPA Doc
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javax.persistence.EntityManager

. Within the persistence context, the entity instances and their lifecycle are managed ... key, and to query over entities. The set of entities that can be managed by a given EntityManager ... , causing all managed entities to become detached. Clear the persistence context, causing all managed
Manual
13

Shared (L2) Entity Cache

that it manages. The persistence context serves as a first level cache. An attempt to retrieve an entity object that is already managed by the EntityManager returns the existing instance from ... is one EntityManager. This section describes a level 2  (L2) cache of entity objects, which is managed
Manual
13

JPA Persistence Unit

below). The jar-file elements specify JAR files that should be searched for managed persistable classes. The class elements specify names of managed persistable classes (see below). The property ... on using XML metadata can be found in the JPA and JDO specifications and books. Managed Persistable
Result
13

About ObjectDB Database

ObjectDB Object Database ObjectDB is a powerful Object-Oriented Database Management System (ODBMS ... database management services (storage and retrieval, transactions, lock management, query processing ... 100% pure Java Object-Oriented Database Management System (ODBMS). No proprietary API - managed
Result
13

About ObjectDB Database [2017-10-24]

ObjectDB Object Database ObjectDB is a powerful Object-Oriented Database Management System (ODBMS ... database management services (storage and retrieval, transactions, lock management, query processing ... 100% pure Java Object-Oriented Database Management System (ODBMS). No proprietary API - managed
Manual
13

Updating JPA Entity Objects

. If global cascade persist is enabled all the reachable entity objects that are not managed yet are also persisted. Automatic Change Tracking As shown above, an update is achieved by modifying a managed ... to managed entities automatically. One way to detect changes is to keep a snapshot of every managed object
Manual
13

Storing JPA Entity Objects

and changes its state to Managed. The new entity object is stored in the database when the transaction ... managed by the EntityManager) or by commit. Referenced Embedded Objects The following code stores ... ().commit(); Managed entity objects consume more memory than ordinary non managed Java objects