/**
 * PetStore is a Factory that furnishes dogs that bark().
 * @author Bob Futrelle
 * @version 1.0 7/1/2
 */
class PetStore {

    int thresholdWeight;

    PetStore(int thresh) {
	thresholdWeight = thresh;
    }
    /**
     * This is the factory decision -- <u>which</u> dog to return.
     * Based on the weight.
     */
    Dog getDog(int weight) {
	if(weight < thresholdWeight)
	    return new LittleDog();
	else
	    return new BigDog();
    }
}