7 | ObjectDB 2.8 Developer's Guide how to define JPA entity classes that can be persisted in ObjectDB. Shows how to use JPA to store |
7 | Database Connection using JPA(properties); EntityTransaction Operations that affect the content of the database (store, update, delete |
7 | JPA Metamodel API are already stored in the database. Three additional methods can be used to retrieve a specific type by its Class |
7 | JPA Persistence Unit 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. |
7 | Locking in JPA object. The initial version of a new entity object (when it is stored in the database for the first time |
7 | ObjectDB Overview and Embedded mode. Single JAR with no external dependencies. Database is stored as a single file |
7 | JPA Exceptions) . For example, if a transaction fails because of an attempt to store a new entity object with a primary |
1 | Step 2: Define a JPA Entity ClassTo 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 project node (in the [Projects] window) and selecting New > Java Class... Enter Guest as the class name - use exactly that case sensitive class name |
1 | Getting Started with JPA and NetBeansThis is the NetBeans version of the Quick Start with JPA tutorial. It demonstrates how to create and run a simple JPA application in NetBeans. The demonstrated application uses JPA to store and retrieve simple Point entity objects, where each Point has two persistent fields - x and y |
0 | [ODB1] Chapter 1 - About ObjectDB is Very Fast ObjectDB has very good performance. It can store and retrieve thousands of objects |
