Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.
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(); The Metamodel interface provides several methods for exploring user defined persistable types ... for exploring managed fields and properties (which are referred to as attributes). For example
ObjectDB Tools: the Explorer, the Enhancer, the Doctor, etc. Describes the ObjectDB configuration
and utilities: Database Explorer Visual GUI tool for viewing and editing database content. Query
file from the file system and dropping it on the WEB-INF/lib node in the Eclipse Project Explorer
Explorer: This is the end of the tutorial. Learn more about ObjectDB and JPA by reading the Manual.
In this step we will add a main class to the project to store and retrieve Point objects from the database: Right click the tutorial package in the [Package Explorer] window and select New > Class. The package name should be tutorial. Enter Main as the class name (case sensitive). Click Finish
. You can stop the Tomcat server and open the database file in ObjectDB Explorer: To enable on the fly
To store objects in an ObjectDB database using JPA we need to define an entity class: Right click on the project in the [Package Explorer] window and select New > Class. Enter tutorial as the package name (case sensitive). Enter Point as the class name (case sensitive). Click Finish to create
in the [Data Explorer] window (under the data set node) and dropping them on the second table row
the Explorer). Additional permissions are granted using the <permissions> sub element