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Tutorial
10

Step 3: Add a Context Listener Class

a ServletContextListener to perform initialization and cleanup operations: The database will be opened (or created ... that case sensitive class name. The Java package name should be guest. Click Finish to create ... and creates an EntityManagerFactory instance and stores it as an application scope attribute in the servlet
Tutorial
10

Step 3: Add a Main Class

name. Click Finish to create the new class. Use copy and paste to fill the new source file ... // (create a new database if it doesn't exist yet): EntityManagerFactory emf ... connection: em.close(); emf.close(); } } The main method creates an ObjectDB
JPA Doc
9

javax.persistence.criteria.Subquery

: new expression of the given type Since: JPA 2.0 Root correlate( Root parentRoot) Create a subquery root correlated to a root of the enclosing query. Create a subquery root correlated to a root ... root Since: JPA 2.0 Join correlate( Join parentJoin) Create a subquery join object
Manual
8

BIRT/ODA ObjectDB Driver

when using client-server mode. ObjectDB/JPA Data Source To create an ObjectDB data source: Open the [New ... Sets and JPQL To create the data set: Open the [New Data Set] dialog box by right clicking the Data
Manual
8

Chapter 1 - Quick Tour

This chapter demonstrates basic ObjectDB and JPA concepts by introducing a simple example program. After reading this chapter you should be able to write basic programs that create, open and close ObjectDB databases and perform basic CRUD operations (Create/Store, Retrieve, Update and Delete
Manual
8

Comparison in JPQL and Criteria API

for building these expressions, as shown in the following examples: // Create String path ... = cb.parameter(String.class); // Create Integer path and parameter expressions: Expression
Manual
8

Database Explorer

Objects To construct new entity objects and store them in the database, open the [Create New Entity ... the entity class and specify the number of objects to construct. Click the Create and Persist button
Tutorial
8

Report Generation with BIRT and JPA

This tutorial demonstrates how to create reports based on data in an ObjectDB database using the popular open source Business Intelligence and Reporting Tools (BIRT). In order to keep things as ... = x:     (0, 0), (1, 1), (2, 2), ..., (999, 999) The BIRT report that we will create will be based
Tutorial
8

Step 2: Entity Class and Persistence Unit

name - use exactly that case sensitive package name. Click Next to create the new entity class. In ... in the database was created in the project (under Source Packages > guest). Use copy and paste
Tutorial
8

Step 2: Entity Class and Persistence Unit

name - use exactly that case sensitive package name. Click Next to create the new entity class. In ... the database was created in the project (under Source Packages > guest). Use copy and paste to replace