Android Open Source - ormada Example Activity

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License

The source code is released under:

Copyright (c) 2012 Jesse Rosalia Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Sof...

Java Source Code

package org.andrormeda.example;
/*from   ww w  .  j  av a  2s.  c  o m*/
import java.util.List;

import org.andrormeda.R;
import org.andrormeda.example.model.Cat;
import org.andrormeda.example.model.Kitten;

import android.app.Activity;
import android.os.Bundle;

/**
 * This activity serves as an example of how to use the ORM to manage Cat and Kitten objects
 * 
 * TODO: things that dont work:
 *   OneToMany and single object references of the same class will cause children to be returned in getAll calls
 * 
 * @author Jesse Rosalia
 *
 */
public class ExampleActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        AppDataSource ds = new AppDataSource(this);
        ds.open();
        ds.clear();
        Cat cat = new Cat();
        cat.setName("Bella");
        
        Cat otherCat = new Cat();
        otherCat.setName("Monty");
        cat.setOtherCat(otherCat);
        ds.saveCat(cat);
        
        long count = ds.countCats();
        System.out.println(count + " cats persisted");
        //save this cat...cuz we're gonna delete it
        long id = cat.getId();
        
        cat = new Cat(); 
        cat.setName("Midnight");
        Kitten kitten = new Kitten();
        kitten.setName("Lucy");
        cat.getKittens().add(kitten);
        kitten = new Kitten();
        kitten.setName("Molly");
        cat.getKittens().add(kitten);
        ds.saveCat(cat);
        
        List<Cat> cats = ds.getAllCats();
        
        for (Cat c : cats) {
          System.out.println(c.getFamily());
        }

        Cat bella = ds.getCat(id);
      System.out.println(bella.getFamily());
      bella.setOtherCat(null);
      ds.saveCat(bella);
      ds.refreshCat(bella);
      System.out.println(bella.getFamily());
      ds.deleteCat(bella);
        
        cats = ds.getAllCats();
        
        for (Cat c : cats) {
          System.out.println(c.getFamily());
        }

        Cat midnight = ds.getCat(cats.get(1).getId());
      System.out.println(midnight.getFamily());
      midnight.getKittens().remove(0);
      ds.saveCat(midnight);
      ds.refreshCat(midnight);
      System.out.println(midnight.getFamily());
      ds.deleteCat(midnight);

      cats = ds.getAllCats();
  
      if (cats.isEmpty()) {
        System.out.println("No more cats");
      } else {
          for (Cat c : cats) {
            System.out.println(c.getFamily());
          }
      }  
    }
}

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