Level.java

package ge.edu.freeuni.sdp.snake.model;

/*
 * Levels differ in their name, topology, and the way their are populated with beeings.
 * Level class aggregates and encapsulates all that. 
 */
public class Level implements GameLevel{

    private final String _name;
    private final String _description;
    private final Topology _topology;
    private final Populator _populator;
    private final SnakeFactory _snakeFactory;

    public Level(String name, Topology topology, Populator generator) {
    	this(name, topology, generator, new SimpleSnakeFactory());
    }
    
    public Level(String name, String description, Topology topology, Populator generator) {
    	this(name, description, topology, generator, new SimpleSnakeFactory());
    }
    
    public Level(String name, Topology topology, Populator generator, SnakeFactory snakeFactory) {
    	this(name, "No description provided.", topology, generator, snakeFactory); 
    }


	public Level(String name, String description, Topology topology, Populator generator, SnakeFactory snakeFactory) {
		_name = name;
		_description = description;
		_topology = topology;
		_populator = generator;
		_snakeFactory = snakeFactory;
	}

	
	@Override
	public String getDescription() {
		return _description;
	}
	
    @Override
    public String getName() {
            return _name;
    }

    @Override
    public Topology getTopology() {
            return _topology;
    }

    @Override
    public Populator getFoodGenerator() {
            return _populator;
    }

    @Override
    public Snake getSnake(Point head){
        return _snakeFactory.createSnake(head);
    }
}