pb138.service.services

Interface ItemService

All Known Implementing Classes:

ItemServiceImpl

public interface ItemService

Class for working with items

Method Summary

Modifier and Type	Method and Description
long	create(Item item) Creates new item
void	delete(Item item) Deletes item
List<Item>	getAllItems() Returns list of all items
List<Item>	getByCategory(Category c) Returns all items belonging to given category
Item	getByEan(long ean) Return item of given ean
Item	getById(long id) Return item of given id
void	update(Item item) Updates item

Method Detail

create

long create(Item item)
     throws ServiceException

Creates new item

Parameters:

item - Item to be created

Returns:

id of created item

Throws:

ServiceException - when there are any unexpected problems

update

void update(Item item)
     throws ServiceException

Updates item

Parameters:

item - Item to be updated

Throws:

ServiceException - when there are any unexpected problems

delete

void delete(Item item)
     throws ServiceException

Deletes item

Parameters:

item - Item to be deleted

Throws:

ServiceException - when there are any unexpected problems

getById

Item getById(long id)

Return item of given id

Parameters:

id - Id of item

Returns:

item with this id, NULL if not present

getByEan

Item getByEan(long ean)

Return item of given ean

Parameters:

ean - EAN of item

Returns:

item with this EAN, NULL if not present

getByCategory

List<Item> getByCategory(Category c)

Returns all items belonging to given category

Parameters:

c - category

Returns:

all items of given category

getAllItems

List<Item> getAllItems()

Returns list of all items

Returns:

list of all items