/**
 * Heater-exercise.
 * @author Daniel Raban
 * @version 27.02.08
 */
public class Heater
{

    /**
    * Field variables.
    */
    private int temperature;
    private int min;
    private int max;
    private int increment;
    
    /**
    * Constructor that initiates the object with the temperature 15
    * and sets the min and max values.
    */
    public Heater(int newMin, int newMax)
    {
        temperature = 15;
        min = newMin;
        max = newMax;
        increment = 5;
    }

    /**
    * Method that changes the temperatures to value + increment.
    */
    public void warmer()
    {
        if (temperature + increment <= max)
        {
            temperature = temperature + increment;
        }
        else 
        {
            temperature = max;
        }
    }

    /**
    * Method that changes the temperatures to value - increment.
    */
    public void cooler()
    {
        if (temperature - increment >= min)
        {
            temperature = temperature - increment;
        }
        else 
        {
            temperature = min;
        }
    }

    /**
    * Shows the value of the variable temperature.
    */
    public int getTemperature()
    {
        return temperature;
    }
    
    /**
     * Method that changes the Increment value.
     */
    public void setIncrement(int newIncrement)
    {
        if (newIncrement > 0)
        {
            increment = newIncrement;
        }
        
    }

}