ejava.examples.ejbwar.inventory.dao

Class InventoryDAOImpl

java.lang.Object

ejava.examples.ejbwar.inventory.dao.InventoryDAOImpl

All Implemented Interfaces:

InventoryDAO

public class InventoryDAOImpl
extends Object
implements InventoryDAO

This DAO implementation uses JPA and an injected entity manager to perform CRUD operations on inventory data.

Field Summary

Fields

Modifier and Type	Field and Description
private EntityManager	em

Constructor Summary

Constructors

Constructor and Description
InventoryDAOImpl()

Method Summary

Modifier and Type	Method and Description
void	addProduct(Product p)
private void	applyBounds(TypedQuery<?> query, int offset, int limit)
void	createCategory(Category category)
void	deleteCategory(Category category)
void	deleteProduct(Product product)
void	detachCategory(Category category)
List<Category>	findCategoryByName(String criteria, int offset, int limit)
List<Product>	findProductsByName(String criteria, int offset, int limit)
Category	getCategory(int id)
Product	getProduct(int id)
void	setEntityManager(EntityManager em)
Product	updateProduct(Product product)

Methods inherited from class java.lang.Object

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

Field Detail

em

@Inject
private EntityManager em

Constructor Detail

InventoryDAOImpl

public InventoryDAOImpl()

Method Detail

setEntityManager

public void setEntityManager(EntityManager em)

createCategory

public void createCategory(Category category)

Specified by:

createCategory in interface InventoryDAO

getCategory

public Category getCategory(int id)

Specified by:

getCategory in interface InventoryDAO

findCategoryByName

public List<Category> findCategoryByName(String criteria,
                                         int offset,
                                         int limit)

Specified by:

findCategoryByName in interface InventoryDAO

detachCategory

public void detachCategory(Category category)

Specified by:

detachCategory in interface InventoryDAO

deleteCategory

public void deleteCategory(Category category)

Specified by:

deleteCategory in interface InventoryDAO

addProduct

public void addProduct(Product p)

Specified by:

addProduct in interface InventoryDAO

getProduct

public Product getProduct(int id)

Specified by:

getProduct in interface InventoryDAO

updateProduct

public Product updateProduct(Product product)

Specified by:

updateProduct in interface InventoryDAO

findProductsByName

public List<Product> findProductsByName(String criteria,
                                        int offset,
                                        int limit)

Specified by:

findProductsByName in interface InventoryDAO

deleteProduct

public void deleteProduct(Product product)

Specified by:

deleteProduct in interface InventoryDAO

applyBounds

private void applyBounds(TypedQuery<?> query,
                         int offset,
                         int limit)