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/**
* <copyright>
*
* Copyright (c) 2005, 2006 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 1.3 2006/09/13 10:39:55 mtaal Exp $
*/
package jpoxtutorial;
import java.util.Properties;
import javax.jdo.PersistenceManager;
import javax.jdo.Transaction;
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.jpox.JpoxDataStore;
import org.eclipse.emf.teneo.jpox.JpoxHelper;
import org.jpox.PMFConfiguration;
/**
* Quick Start Tutorial
*
* @author <a href="mailto:mtaal@elver.org">Martin Taal</a>
* @version $Revision: 1.3 $
*/
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 JpoxDataStore doQuickStart(String dbName) {
// Now create and register a JpoxDataStore
String pmfName = "MyPMF"; // the name of the JpoxDataStore
// db connection info, replace with your own database connection information
Properties properties = new Properties();
properties.setProperty(PMFConfiguration.JDO_DATASTORE_DRIVERNAME_PROPERTY, "com.mysql.jdbc.Driver");
properties.setProperty(PMFConfiguration.JDO_DATASTORE_URL_PROPERTY, "jdbc:mysql://127.0.0.1:3306/mylibrary");
properties.setProperty(PMFConfiguration.JDO_DATASTORE_USERNAME_PROPERTY, "root");
properties.setProperty(PMFConfiguration.JDO_DATASTORE_PASSWORD_PROPERTY, "root");
// create the data store
JpoxDataStore jpoxDataStore = JpoxHelper.INSTANCE.createRegisterDataStore(pmfName);
jpoxDataStore.setProperties(properties);
jpoxDataStore.setEPackages(new EPackage[]{LibraryPackage.eINSTANCE});
jpoxDataStore.initialize();
// Now create a persistence manager and a transaction
PersistenceManager pm = jpoxDataStore.getPMF().getPersistenceManager();
Transaction tx = pm.currentTransaction();
// Start a transaction, create a library and make it persistent
tx.begin();
Library lib = LibraryFactory.eINSTANCE.createLibrary();
lib.setName("My Library");
pm.makePersistent(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
pm.close();
return jpoxDataStore;
}
}
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