public void Add(LibItem libItem)
{
if (libItem == null)
{
throw new System.ArgumentException("LibItem cannot be null.");
}
if (libItem.GetType() == typeof(Book))
{
Books.Add((Book)libItem);
}
else if (libItem.GetType() == typeof(Article))
{
Articles.Add((Article)libItem);
}
else if (libItem.GetType() == typeof(Movie))
{
Movies.Add((Movie)libItem);
}
else if (libItem.GetType() == typeof(NewsPaper))
{
NewsPapers.Add((NewsPaper)libItem);
}
else if (libItem.GetType() == typeof(Journal))
{
Journals.Add((Journal)libItem);
}
else
{
throw new System.ArgumentException("Unknown type of library item");
}
}
public void Return(LibItem libItem)
{
}
public void AddToCatalogue(LibItem libItem)
{
}
public void CheckOut(LibItem libItem)
{
}