package ejava.examples.ejbwar.inventory.dao;
   
   import java.util.List;
   
   import ejava.examples.ejbwar.inventory.bo.Category;
   import ejava.examples.ejbwar.inventory.bo.Product;
   
   /**
    * Defines the interface for the CRUD inventory methods.
   */
  public interface InventoryDAO {
  
  	void createCategory(Category category);
  	Category getCategory(int id);
  	List<Category> findCategoryByName(String criteria, int offset, int limit);
  	void deleteCategory(Category category);
  	void detachCategory(Category category);
  
  	void addProduct(Product p);
  	Product getProduct(int id);
  	Product updateProduct(Product product);
  	List<Product> findProductsByName(String criteria, int offset, int limit);
  	void deleteProduct(Product p);
  }