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Manual
14

Database Explorer [2011-09-21]

Objects To construct new entity objects and store them in the database, open the [Create New Entity ... to construct and store the new entity objects. Editing Values and References You can edit simple field ... when strings in the database are not encoded using Unicode. ObjectDB stores String instances in the database
Manual
14

Database Explorer

Objects To construct new entity objects and store them in the database, open the [Create New Entity ... to construct and store the new entity objects. Editing Values and References You can edit simple field ... when strings in the database are not encoded using Unicode. ObjectDB stores String instances in the database
JDO Doc
14

javax.jdo.PersistenceManager

1.0 void deletePersistent(Object pc) Delete the persistent instance from the data store. Delete the persistent instance from the data store. This method must be called in an active transaction. The data store object will be removed at commit. Unlike makePersistent, which makes the closure
FAQ
12

What are the main benefits of using ObjectDB?

. The ability to store ordinary objects in the database directly can simplify the code significantly ... ObjectDB is especially designed to store and manage graphs of objects efficiently. That can accelerate ... fields can be stored by ObjectDB simply as part of the containing object. Relational databases lack
Manual
12

Index Definition

. When an entity object is stored in the database every indexed field must contain either null or ... to values that are stored as part of the entity. Therefore, indexes on multi part paths are only allowed when using embeddable classes as fields of embedded object are stored as part of the containing entity
Tutorial
12

Step 3: Add a Main Class

to store Point objects in the database and then retrieve them from the database. Use copy and paste ... ("$objectdb/db/points.odb"); EntityManager em = emf.createEntityManager(); // Store 1000 ... (); } } The main method creates an ObjectDB database file, stores 1000 Point objects in the database
Tutorial
12

Step 3: Add a Main Class [2011-02-11]

In this step we will add a main class to the project with code that will store Point objects in ... = emf.createEntityManager(); // Store 1000 Point objects in the database: em ... database file, stores 1000 Point objects in the database, and then run a few queries, including
Tutorial
12

Step 3: Add a Main Class

In this step we will add a main class to the project with code that will store Point objects in ... = emf.createEntityManager(); // Store 1000 Point objects in the database: em ... database file, stores 1000 Point objects in the database, and then run a few queries, including
Tutorial
10

Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the tutorial package node (in the [Projects] window ... class that stores and retrieves instances of the Point entity class.
Manual
10

Shared (L2) Entity Cache

data. CacheStoreMode.USE - new data in stored in the cache - but only for entity objects that are not in the cache already. CacheStoreMode.REFRESH - new data is stored in the cache - refreshing entity