public LibraryItem(ISBN isbn, string title, Category category)
{
Validate(new KeyValuePair <string, object>("Title", title));
_isbn = isbn;
_title = title;
_category = category;
_copies = new ObservableConcurrentDictionary <uint, ItemCopy>();
_copies.CollectionChanged += _copies_CollectionChanged;
AddCopy();
}
public Book(ISBN isbn, string name, Category category)
: this(isbn, name, category, string.Empty)
{
}
public Book(ISBN isbn, string name, Category category, string author)
: base(isbn, name, category)
{
Author = author;
}
public Journal(ISBN isbn, string name, Category category)
: this(isbn, name, category, string.Empty)
{
}
public Journal(ISBN isbn, string name, Category category, string editor)
: base(isbn, name, category)
{
Editor = editor;
}