package reversetutorial.jdo;

import java.util.*;
import javax.jdo.*;

/**
 * Program used to populate the database with magazines.
 */
public class SeedDatabase {

    /**
     * Usage: java reversetutorial.jdo.SeedDatabase
     */
    public static void main(String[] args) {
        PersistenceManagerFactory pmf = JDOHelper.getPersistenceManagerFactory 
            ("META-INF/jdo.properties");
        PersistenceManager pm = pmf.getPersistenceManager();
        pm.currentTransaction().begin();
        pm.makePersistentAll(createMagazines());
        pm.currentTransaction().commit();
        pm.close();
        pmf.close();
    }

    private static Collection createMagazines() {
        Publisher brandon = new Publisher("Brandon-Hall");
        brandon.setRevenue(200000.00F);
        Publisher adventure = new Publisher("Adventure");
        adventure.setRevenue(18974890.53F);
        Publisher reuters = new Publisher("Reuters");
        reuters.setRevenue(90387361.25F);

        Article jdo = new Article("JDO for Transparent Persistence");
        jdo.setAuthorName("Craig Russell");
        Article ejb = new Article("Session Bean Facade");
        ejb.setAuthorName("Marc Eaton");
        Article fashion = new Article("Fall's Fashion");
        fashion.setAuthorName("Stephanie Lang");
        Article gloss = new Article("Light Up Those Lips");
        gloss.setAuthorName("Stephanie Lang");
        Article bang = new Article("Echos from the Big Bang");
        bang.setAuthorName("Sarah Fleury");
        Article telescope = new Article("Next Generation Telescope");
        telescope.setAuthorName("NASA");
        Article girl = new Article("Girl Power");
        girl.setAuthorName("Stephanie Lang");
        Article romance = new Article("Romance in the 21st Century");
        romance.setAuthorName("Jordan Gestapalo");
        Article hussein = new Article("Bush vs. Hussein");
        hussein.setAuthorName("Robert Gross");

        Collection mags = new LinkedList();
        Magazine java = new Magazine("783-139B", 102);
        java.setName("Java Pro");
        java.setPrice(5.75F);
        java.setPublisher(brandon);
        brandon.getMagazines().add(java);
        java.getArticles().add(jdo);
        jdo.getMagazines().add(java);
        java.getArticles().add(ejb);
        ejb.getMagazines().add(java);
        mags.add(java);

        Magazine vogue = new Magazine("983-332Y", 942);
        vogue.setName("Vogue");
        vogue.setPrice(3.99F);
        vogue.setPublisher(adventure);
        adventure.getMagazines().add(vogue);
        vogue.getArticles().add(fashion);
        fashion.getMagazines().add(vogue);
        vogue.getArticles().add(gloss);
        gloss.getMagazines().add(vogue);
        vogue.getArticles().add(girl);
        girl.getMagazines().add(vogue);
        mags.add(vogue);

        Magazine nature = new Magazine("831-508B", 237);
        nature.setName("Nature");
        nature.setPrice(8.99F);
        nature.setPublisher(reuters);
        reuters.getMagazines().add(nature);
        nature.getArticles().add(bang);
        bang.getMagazines().add(nature);
        nature.getArticles().add(telescope);
        telescope.getMagazines().add(nature);
        mags.add(nature);

        Magazine science = new Magazine("896-501B", 152);
        science.setName("Science");
        science.setPrice(7.49F);
        science.setPublisher(reuters);
        reuters.getMagazines().add(science);
        science.getArticles().add(bang);
        bang.getMagazines().add(science);
        mags.add(science);

        Magazine people = new Magazine("534-194G", 651);
        people.setName("People");
        people.setPrice(3.99F);
        people.setPublisher(adventure);
        adventure.getMagazines().add(people);
        people.getArticles().add(girl);
        girl.getMagazines().add(people);
        people.getArticles().add(romance);
        romance.getMagazines().add(people);
        mags.add(people);

        Magazine newsweek = new Magazine("120-204C", 1093);
        newsweek.setName("Newsweek");
        newsweek.setPrice(4.99F);
        newsweek.setPublisher(adventure);
        adventure.getMagazines().add(newsweek);
        newsweek.getArticles().add(hussein);
        hussein.getMagazines().add(newsweek);
        mags.add(newsweek);

        return mags;
    }
}