Scenario.java

package models;

import play.*;
import play.mvc.*;
import play.libs.*;

import java.util.*;

import javax.persistence.*;
import play.db.ebean.*;
import com.avaje.ebean.*;

@Entity
public class Scenario extends Model {

    @Id
    public String name;

    @ManyToOne
    @JoinColumn(name="gameId", nullable=false)
    public Game game;

    @OneToOne
    public User author;

    public Scenario(String name, String game_name, String author_name) {
        Logger.info(String.format("Constructing scenario '%s' of type '%s'", name, game_name));
    this.name = name;
        this.game = Game.find.where().eq("name", game_name).findUnique();
        Logger.info(String.format("...found it's game: '%s', which has %d scenarios", this.game.name, this.game.scenarios.size()));

        this.game.scenarios.add(this);
        Logger.info(String.format("now ... it's game has %d scenarios", this.game.scenarios.size()));
        this.author = User.find.where().eq("username", author_name).findUnique();
    }

    public static Scenario create(String name, String game_name, String author_name) {
        Logger.info(String.format("Creating scenario '%s' of '%s' by '%s'", name, game_name, author_name));
        Scenario created_scenario = new Scenario(name, game_name, author_name);
        created_scenario.save();
        created_scenario.game.save();
        created_scenario.game.saveManyToManyAssociations("scenarios");
        return created_scenario;
    }

    public static Scenario.Finder<String,Scenario> find =
    new Scenario.Finder<String,Scenario>(String.class, Scenario.class);
}