org.salespointframework.order

Class Cart

java.lang.Object

org.salespointframework.order.Cart

All Implemented Interfaces:

Iterable<CartItem>, Streamable<CartItem>, Priced

public class Cart
extends Object
implements Streamable<CartItem>, Priced

Abstraction of a shopping cart.

Author:

Paul Henke, Oliver Gierke

Constructor Summary

Constructors

Constructor and Description
Cart()

Method Summary

Modifier and Type	Method and Description
void	addItemsTo(Order order) Turns the current state of the cart into an Order.
CartItem	addOrUpdateItem(Product product, double amount) Creates a CartItem for the given Product and amount.
CartItem	addOrUpdateItem(Product product, long amount) Creates a CartItem for the given Product and amount.
CartItem	addOrUpdateItem(Product product, Quantity quantity) Creates a CartItem for the given Product and Quantity.
void	clear() Clears the cart.
Optional<CartItem>	getItem(String identifier) Returns the CartItem for the given identifier.
javax.money.MonetaryAmount	getPrice() Returns the price of the item.
boolean	isEmpty() Returns whether the Cart is currently empty.
Iterator<CartItem>	iterator()
Optional<CartItem>	removeItem(String identifier) Removes the CartItem with the given identifier.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.salespointframework.core.Streamable

empty, of, ofLazy, stream

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface org.salespointframework.order.Priced

sumUp

Constructor Detail

Cart

public Cart()

Method Detail

addOrUpdateItem

public CartItem addOrUpdateItem(Product product,
                                Quantity quantity)

Creates a CartItem for the given Product and Quantity. If a CartItem for the given Product already exists the Cart will be updated to reflect the combined Quantity for the backing CartItem.

Parameters:

product - must not be null

quantity - must not be null

Returns:

The created CartItem.

addOrUpdateItem

public CartItem addOrUpdateItem(Product product,
                                long amount)

Creates a CartItem for the given Product and amount. If a CartItem for the given Product already exists the Cart will be updated to reflect the combined Quantity for the backing CartItem.

Parameters:

product - must not be null.

amount - must not be null.

Returns:

addOrUpdateItem

public CartItem addOrUpdateItem(Product product,
                                double amount)

Creates a CartItem for the given Product and amount. If a CartItem for the given Product already exists the Cart will be updated to reflect the combined Quantity for the backing CartItem.

Parameters:

product - must not be null.

amount - must not be null.

Returns:

removeItem

public Optional<CartItem> removeItem(String identifier)

Removes the CartItem with the given identifier.

Parameters:

identifier - must not be null.

Returns:

getItem

public Optional<CartItem> getItem(String identifier)

Returns the CartItem for the given identifier.

Parameters:

identifier - must not be null.

Returns:

clear

public void clear()

Clears the cart.

isEmpty

public boolean isEmpty()

Returns whether the Cart is currently empty.

Returns:

addItemsTo

public void addItemsTo(Order order)

Turns the current state of the cart into an Order.

Parameters:

order - must not be null.

Throws:

IllegalStateException - if the given Order is not OrderStatus.OPEN anymore.

getPrice

public javax.money.MonetaryAmount getPrice()

Description copied from interface: Priced

Returns the price of the item.

Specified by:

getPrice in interface Priced

Returns:

iterator

public Iterator<CartItem> iterator()

Specified by:

iterator in interface Iterable<CartItem>