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/**
* <copyright>
*
* Copyright (c) 2005, 2006, 2007 Springsite BV (The Netherlands) and others
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Martin Taal
* </copyright>
*
* $Id: QuickStart.java,v 1.17 2007/07/18 18:56:31 mtaal Exp $
*/
package hbtutorial;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.example.library.Book;
import org.eclipse.example.library.BookCategory;
import org.eclipse.example.library.Library;
import org.eclipse.example.library.LibraryFactory;
import org.eclipse.example.library.LibraryPackage;
import org.eclipse.example.library.Writer;
import org.eclipse.emf.teneo.hibernate.HbDataStore;
import org.eclipse.emf.teneo.hibernate.HbHelper;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
/**
* Quick Start Tutorial
*
* @author <a href="mailto:mtaal@elver.org">Martin Taal</a>
* @version $Revision: 1.17 $
*/
public class QuickStart {
/** The main method */
public static void main(String[] args) {
// the name of the database, this database should exist but does not need to contain tables
String dbName = "library";
doQuickStart(dbName); //ignore return
}
/** Methodn which can be called by others */
public static HbDataStore doQuickStart(String dbName) {
// the name of the session factory
String hbName = "MySF";
// create the HbDataStore
HbDataStore hbds = (HbDataStore)HbHelper.INSTANCE.createRegisterDataStore(hbName);
// The hibernate properties can be set by having a hibernate.properties file in the root of the classpath.
// Another approach is setting the properties in the HbDataStore. To do this comment out the following lines
// For more information see section 3.1 of the Hibernate manual
//final Properties props = new Properties();
//props.setProperty(Environment.DRIVER, "com.mysql.jdbc.Driver");
//props.setProperty(Environment.USER, "root");
//props.setProperty(Environment.URL, "jdbc:mysql://127.0.0.1:3306/" + dbName);
//props.setProperty(Environment.PASS, "root");
//props.setProperty(Environment.DIALECT, org.hibernate.dialect.MySQLInnoDBDialect.class.getName());
//hbds.setHibernateProperties(props);
// sets its epackages stored in this datastore
hbds.setEPackages(new EPackage[]{LibraryPackage.eINSTANCE});
// initialize, also creates the database tables
hbds.initialize();
SessionFactory sessionFactory = hbds.getSessionFactory();
// Create a session and a transaction
Session session = sessionFactory.openSession();
Transaction tx = session.getTransaction();
// Start a transaction, create a library and make it persistent
tx.begin();
Library lib = LibraryFactory.eINSTANCE.createLibrary();
lib.setName("My Library");
session.save(lib);
// create a writer
Writer writer = LibraryFactory.eINSTANCE.createWriter();
writer.setName("JRR Tolkien");
// and one of his books
Book book = LibraryFactory.eINSTANCE.createBook();
book.setAuthor(writer);
book.setPages(305);
book.setTitle("The Hobbit");
book.setCategory(BookCategory.SCIENCE_FICTION_LITERAL);
// add the writer/book to the library. The writer and book are automatically
// made persistent because they are added to the library which is already
// made persistent
lib.getWriters().add(writer);
lib.getBooks().add(book);
// at commit the objects will be present in the database
tx.commit();
// and close of, this should actually be done in a finally block
session.close();
return hbds;
}
}
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