Disco

/**
 * Disco class aims to represent a array of 4 bulbs.
 *
 * @author (Avi Ezerzer)
 * @version (3.25 12/05/2014)
 */
public class Disco
{
    //declare all bulbs.
    private LightBulb _bulb1;
    private LightBulb _bulb2;
    private LightBulb _bulb3;
    private LightBulb _bulb4;

    /**
     * construct a disco instance comprised of 4 bulbs.
     */
    public Disco(LightBulb b1, LightBulb b2, LightBulb b3, LightBulb b4)
    {
        _bulb1 = b1;
        _bulb2 = b2;
        _bulb3 = b3;
        _bulb4 = b4;
    }
    /**
     * Returns the first LightBulb
     */
    public LightBulb getFirstBulb()
    {
        return _bulb1;
    }
    /**
     * Returns the first LightBulb
     */
    public LightBulb getSecondBulb()
    {
        return _bulb2;
    }
    /**
     * Returns the first LightBulb
     */
    public LightBulb getThirdBulb()
    {
        return _bulb3;
    }
    /**
     * Returns the first LightBulb
     */
    public LightBulb getFourthBulb()
    {
        return _bulb4;
    }
    //comment by cat walking on keyboard nhjjjjjjjjjjjjmmmmmmmmmmmmmmmmmjhnuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
    /**
     * alters the switch state of the lightbulb.
     * @param num - number of the bulb to be switched to counterstate.
     */
    public void switchBulb(int num)
    {
        if (num == 1)
            _bulb1.switchLight();
        else if (num == 2)
            _bulb2.switchLight();
        else if (num == 3)
            _bulb3.switchLight();
        else if (num == 4)
            _bulb4.switchLight();
    }
    /**
     * Turn all the bulbs on
     */
    public void turnAllOn()
    {
        _bulb1.lightOn();
        _bulb2.lightOn();
        _bulb3.lightOn();
        _bulb4.lightOn();
    }
    /**
     * Turn all the bulbs off
     */
    public void turnAllOff()
    {
        _bulb1.lightOff();
        _bulb2.lightOff();
        _bulb3.lightOff();
        _bulb4.lightOff();
    }
    /**
     * checks if all four bulbs are on
     */
    public boolean areAllOn()
    {
        return (_bulb1.isSwitchedOn() && _bulb2.isSwitchedOn() &&_bulb3.isSwitchedOn() &&_bulb4.isSwitchedOn());
    }
     /**
     * checks if all four bulbs are off
     */
    public boolean areAllOff()
    {
        return (!_bulb1.isSwitchedOn() && !_bulb2.isSwitchedOn() && !_bulb3.isSwitchedOn() && !_bulb4.isSwitchedOn());
    }
    /**
     * checks if all bulbs match in color.
     */
    public boolean allSameColor()
    {
        return (_bulb1.getColor().equals(_bulb2.getColor()) &&
                _bulb1.getColor().equals(_bulb3.getColor()) &&
                _bulb1.getColor().equals(_bulb4.getColor()));

    }
    }