/*
WhiteMouse.java example code
AC Chapin

 */
package mouses;

/**
 * a mouse used for experimentation
 * @author AChapin
 */
public class WhiteMouse {

    // Instance variables are public.  I am filled with shame.
    
    // primitive instance variables
    public int idNum; // identification
    public int age; // lifespan
    public boolean control; // is this mouse in the control group
    // reference instance variables
    public WhiteMouse mother;
    public WhiteMouse father;

    /**
     * expose the mouse to a chemical
     * @param chemical what are we exposing the mouse to?
     */
    public void exposeTo(String chemical) {
        System.out.println("Mouse \t#" + IDnum);
        // if we don't check, we could have a null pointer exception
        if (mother != null) {
            System.out.println("    M\t#" + mother.idNum);
        }
        if (father != null) {
            System.out.println("    F\t#" + father.idNum);
        }
        System.out.println(" has been treated with " + chemical);

        // no longer in the control group
        control = false;
    }
    
        
    public String toString() {
    	return "Mouse ID#" + idNum + " lived " + age + " days and was in the control group: " + control;
    }

}