/// <summary>
 /// Invokes the 'DiscontinueProduct' method of the specified <see cref="Product"/> entity.
 /// </summary>
 /// <param name="product">The <see cref="Product"/> entity instance.</param>
 public void DiscontinueProduct(Product product)
 {
     product.DiscontinueProduct();
 }
 private bool FilterProducts(Product entity)
 {
     return (entity.CategoryID == this.CategoryID);
 }
 private void AttachProducts(Product entity)
 {
     entity.Category = this;
 }
 private void DetachProducts(Product entity)
 {
     entity.Category = null;
 }
 private bool FilterProduct(Product entity)
 {
     return (entity.ProductID == this.ProductID);
 }