PurchasingImpl (JPA::Business Logic::blPurchaseImpl 5.1.0-SNAPSHOT API)

java.lang.Object
- ejava.examples.blpurchase.blimpl.PurchasingImpl

All Implemented Interfaces:

Purchasing
```
public class PurchasingImpl
extends Object
implements Purchasing
```
This class implements basic logic used to implement the purchasing aspects of the application.

Field Summary

Fields
Modifier and Type Field Description

private EntityManager em

private static org.slf4j.Logger logger

private Random random

Constructor Summary

Constructors
Constructor Description

PurchasingImpl()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`checkout(String email, String password)`	Completes the purchase of the items in the user's shopping cart, empties the cart, and returns the total cost paid.
`Account`	`createAccount(String email, String firstName, String lastName)`	Creates an account for the user to use in purchasing products.
`private String`	`generatePassword()`
`void`	`setEntityManager(EntityManager em)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - logger
```
private static final org.slf4j.Logger logger
```
  - em
```
private EntityManager em
```
  - random
```
private Random random
```
- Constructor Detail
  - PurchasingImpl
```
public PurchasingImpl()
```
- Method Detail
  - setEntityManager
```
public void setEntityManager(EntityManager em)
```
  - createAccount
```
public Account createAccount(String email,
                             String firstName,
                             String lastName)
```
    Description copied from interface: Purchasing
    
    Creates an account for the user to use in purchasing products.
    
    Specified by:
    
    createAccount in interface Purchasing
    
    Returns:
    
    the Account created with primary key assigned
  - checkout
```
public double checkout(String email,
                       String password)
```
    Description copied from interface: Purchasing
    
    Completes the purchase of the items in the user's shopping cart, empties the cart, and returns the total cost paid.
    Note that this capability is not yet fully defined.
    
    Specified by:
    
    checkout in interface Purchasing
    
    Returns:
    
    amount charged as part of this checkout
  - generatePassword
```
private String generatePassword()
```