public Eagle(Eagle other) : base(other) { this.FlightSpeed = other.FlightSpeed; }
/// <summary> /// Return an animal of the wanted type, so that the MainForm or AnimalManager don't have to. /// Most arguments are strings. They need to be pre-validated. /// </summary> /// <param name="name">the name of this individual animal</param> /// <param name="age">the age of this individual animal</param> /// <param name="gender">the gender of this animal</param> /// <param name="categoryProperty">a property that is relevant for the category of this animal, such as for mammals or for birds.</param> /// <param name="speciesProperty">a property that is relevant for the species that this animal belongs to.</param> /// <param name="species">the species of the animal to be returned. Used to interpret the property arguments.</param> /// <returns>an Animal of the requested kind.</returns> public static Animal MakeAnimal(string name, int age, Gender gender, string categoryProperty, string speciesProperty, string species) { int toothcount, numberEaten; double wingspan, speed; Animal animal = null; switch (species) { case "Bear": if (int.TryParse(categoryProperty, out toothcount)) { if (int.TryParse(speciesProperty, out numberEaten)) { animal = new Bear(name, gender, age, toothcount, numberEaten); } } break; case "Gnu": if (int.TryParse(categoryProperty, out toothcount)) { if (int.TryParse(speciesProperty, out numberEaten)) { animal = new Gnu(name, gender, age, toothcount, numberEaten); } } break; case "Eagle": if (double.TryParse(categoryProperty, out wingspan)) { if (double.TryParse(speciesProperty, out speed)) { animal = new Eagle(name, gender, age, wingspan, speed); } } break; case "Penguin": if (double.TryParse(categoryProperty, out wingspan)) { if (double.TryParse(speciesProperty, out speed)) { animal = new Penguin(name, gender, age, wingspan, speed); } } break; default: // If execution arrives here, an unsupported species has been requested. throw new NotImplementedException(); } return(animal); }