/*
 * Main.java
 * 
 */

package netukar.animalia.db4o;

import com.db4o.Db4oEmbedded;
import com.db4o.ObjectContainer;
import com.db4o.ObjectSet;
import com.db4o.query.Predicate;
import java.io.File;
import netukar.animalia.Animal;
import netukar.animalia.Conservation;

/**
 *
 * @author Radovan Netuka
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        new File("animals").delete();
        ObjectContainer db = Db4oEmbedded.openFile("animals");

        try {
            Animal beaver = new Animal("castor", "fiber");
            beaver.setConservation(Conservation.LC);
            Animal orangutan = new Animal("pongo", "pygmaeus");
            db.store(beaver);
            db.store(orangutan);
            db.commit();
        
            // Query with object prototype
            Animal prototype = new Animal();
            prototype.setGenus("castor");
            prototype.setConservation(Conservation.LC);
            ObjectSet<Animal> result = db.queryByExample(prototype);
        
            for (Animal animal : result) {
                System.out.println(animal.getGenus() + " " + animal.getSpecies());
            }

            // Query with predicate
            ObjectSet<Animal> result2 = db.query(new Predicate<Animal>() {
                @Override
                public boolean match(Animal animal) {
                    return animal.getGenus().equals("pongo");
                }
            });

            for (Animal animal : result2) {
                System.out.println(animal.getGenus() + " " + animal.getSpecies());
            }

        } finally {
            db.close();
        }
    }


    /*private class AnimalPredicate extends Predicate<Animal> {

    }*/

}