pb138.service.facades

Class CategoryFacadeImpl

java.lang.Object

pb138.service.facades.CategoryFacadeImpl

All Implemented Interfaces:

CategoryFacade

public class CategoryFacadeImpl
extends Object
implements CategoryFacade

Implements category facade

Constructor Summary

Constructors

Constructor and Description
CategoryFacadeImpl(CategoryService categoryService) Constructor.

Method Summary

Modifier and Type	Method and Description
Category	createOrUpdateCategory(String name, String desctription) Creates a new category, or updates it if another one with given name exist;
List<Category>	getAllCategories() Get all categories from db.
Category	getCategoryByName(String name) Find category with given name in db.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CategoryFacadeImpl

public CategoryFacadeImpl(CategoryService categoryService)

Constructor.

Parameters:

categoryService - categoryService

Method Detail

createOrUpdateCategory

public Category createOrUpdateCategory(String name,
                                       String desctription)
                                throws ServiceException

Description copied from interface: CategoryFacade

Creates a new category, or updates it if another one with given name exist;

Specified by:

createOrUpdateCategory in interface CategoryFacade

Parameters:

name - name of the category

desctription - description of the category

Returns:

Category that was created/updated

Throws:

ServiceException - if something goes wrong on the db layer and service layer cannot deal with it

getAllCategories

public List<Category> getAllCategories()

Description copied from interface: CategoryFacade

Get all categories from db.

Specified by:

getAllCategories in interface CategoryFacade

Returns:

list of all categories

getCategoryByName

public Category getCategoryByName(String name)

Description copied from interface: CategoryFacade

Find category with given name in db.

Specified by:

getCategoryByName in interface CategoryFacade

Parameters:

name - name of category

Returns:

category with given name or null if category with this name does not exist