/**
 * Class demonstrates an abstract class.
 * This class can provide implementation and an interface to
 * subclasses of GenericBike
 * The keyword "abstract" tells us that the class can't be instantiated
 * Abstract classes cannot be final!
 */
public abstract class GenericBike {

    /*
    	Since this class is defined as being abstract, there
        is no reason to define constructor methods in an abstract
        class
     */

    /**
     * Abstract methods don't have any implementation.
     * Set the design for other classes and provide an
     * architectural interface for all applications
     * All abstract methods must be defined in subclasses
     */
    public abstract int getRotationalSpeed();


    /**
     * Returns the wheel size
     * @param wheelSize the bike's wheel size in inches
     */
    public void setWheelSize( int size ) {
        this.wheelSize = size;
    }

    /**
     * Sets the wheel size
     * Size is considered to be in inches
     * @return wheel size
     */
    public int getWheelSize() {
        return this.wheelSize;
    }

    /**
     * Returns the bike size
     * Size can be LARGE, MEDIUM, OR SMALL
     * @return bike size
     */
	public String getSize(){
    	return size;
    }

    /**
     * Sets the bike size
     * Size can be LARGE, MEDIUM, OR SMALL
     * @param size the bike's new size
     */
    public void setSize(String size){
        this.size = size;
    }

    /**
     * Returns the bike weight
     * Weight should be specified in terms of pounds.
     * @return bike's weight
     */
    public int getWeight(){
        return weight;
    }

    /**
     * Size the bike weight
     * Weight should be set in terms of pounds
     * @param weight the bikes new weight
     */
    public void setWeight(int weight){
        this.weight = weight;
    }

    /**
     * Returns the bike's speed ( how many gears )
     * Speed can be NINE_SPEED, EIGHT_SPEED,
     * ONE_SPEED, TWENTYONE_SPEED
     * @return bike's speed
     */
    public int getSpeed(){
        return bikeSpeed;
    }

	/**
     * Sets the bike's speed ( how many gears )
     * Speed can be NINE_SPEED, EIGHT_SPEED,
     * ONE_SPEED, TWENTYONE_SPEED
     * @param bikeSpeed bike speed
     */
    public void setBikeSpeed(int bikeSpeed){
        this.bikeSpeed = bikeSpeed;
    }

    public static final int NINE_SPEED 		= 9;
    public static final int EIGHT_SPEED 	= 8;
    public static final int ONE_SPEED 		= 1;
    public static final int TWENTYONE_SPEED = 21;
    public static final int UNKNOWN_SPEED 	= -1;
    public static final int LARGE 			= 200;
	public static final int MEDIUM 			= 201;
	public static final int SMALL 			= 202;

    private int bikeSpeed;
    private int weight;
    private String size;
    protected int wheelSize;
}