// get and return the exercise named exerciseName
// nested in workDirectory
public static AbstractExercise GetExercise(ExerciseAlbum workDirectory, string exerciseName)
{
// validate input arguments
if (workDirectory == null ||
exerciseName == null ||
exerciseName == string.Empty)
{
throw new System.ArgumentException();
}
// get exercise
AbstractExercise exercise = workDirectory.GetExercise(exerciseName);
// validate the result
if (exercise == null)
{
throw new System.Exception(
"this album does not contain such exercise album or exercise single!");
}
return(exercise);
}
// get nested exercise
public static SortedDictionary <string, AbstractExercise> GetNestedExercise(ExerciseAlbum workDirectory)
{
return(workDirectory.NestedExercises);
}
// constructor: copy constructor
public ExerciseAlbum(ExerciseAlbum othAlbum) :
base(othAlbum.Name)
{
NestedExercises =
Utils.DeepCopySortedDictionary <string, AbstractExercise>(othAlbum.NestedExercises);
}