com.broadleafcommerce.cartoperation.service.pricing

Class CartPricingRoundingHelper

java.lang.Object

com.broadleafcommerce.cartoperation.service.pricing.CartPricingRoundingHelper

public class CartPricingRoundingHelper
extends Object

Helper class to calculate rounding of monetary unit amounts for cart pricing.

Author:

Marie Standeven (marieStandeven)

Constructor Summary

Constructors

Constructor and Description
CartPricingRoundingHelper()

Method Summary

Modifier and Type	Method and Description
protected javax.money.MonetaryAmount	getUnitAmount(javax.money.CurrencyUnit currency) Determines the smallest unit amount of money for the CurrencyUnit.
Map<String,javax.money.MonetaryAmount>	roundListOfMonetaryAmounts(Map<String,javax.money.MonetaryAmount> amounts, javax.money.MonetaryAmount totalAmount, javax.money.CurrencyUnit currency) Given a list of amounts that should round to the provided total, calculates and performs the rounding logic to add the remainder unit amounts.
protected Map<String,javax.money.MonetaryAmount>	roundListOfMonetaryAmounts(Map<String,javax.money.MonetaryAmount> amounts, javax.money.MonetaryAmount totalAmount, javax.money.MonetaryAmount unitAmount) Given a list of amounts that should round to the provided total, calculates and performs the rounding logic to add the remainder unit amounts.
<D extends com.broadleafcommerce.cart.client.domain.FulfillmentItem> void	roundProratedOrderAdjustmentsAcrossFulfillmentItems(Collection<D> fulfillmentItems, javax.money.MonetaryAmount orderAdjustmentsTotal, javax.money.CurrencyUnit currency) Rounds split amounts for prorated order adjustments on fulfillment items.
protected <D extends com.broadleafcommerce.cart.client.domain.FulfillmentItem> void	updateFulfillmentItemsWithRoundedAdjustments(Collection<D> fulfillmentItems, Map<String,javax.money.MonetaryAmount> proratedOrderAdjustmentAmounts, javax.money.CurrencyUnit currency) Sets the new rounded adjustment values on the fulfillment items.

Methods inherited from class java.lang.Object

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

Constructor Detail

CartPricingRoundingHelper

public CartPricingRoundingHelper()

Method Detail

roundProratedOrderAdjustmentsAcrossFulfillmentItems

public <D extends com.broadleafcommerce.cart.client.domain.FulfillmentItem> void roundProratedOrderAdjustmentsAcrossFulfillmentItems(Collection<D> fulfillmentItems,
                                                                                                                                     javax.money.MonetaryAmount orderAdjustmentsTotal,
                                                                                                                                     javax.money.CurrencyUnit currency)

Rounds split amounts for prorated order adjustments on fulfillment items.

Parameters:

fulfillmentItems - the collection of fulfillment items

orderAdjustmentsTotal - the total adjustment amount

currency - the currency of the amounts to round

roundListOfMonetaryAmounts

public Map<String,javax.money.MonetaryAmount> roundListOfMonetaryAmounts(Map<String,javax.money.MonetaryAmount> amounts,
                                                                         javax.money.MonetaryAmount totalAmount,
                                                                         javax.money.CurrencyUnit currency)

Given a list of amounts that should round to the provided total, calculates and performs the rounding logic to add the remainder unit amounts.

Parameters:

amounts - list of amounts to round, mapped to a key for lookup on return

totalAmount - the total adjustment amount

updateFulfillmentItemsWithRoundedAdjustments

protected <D extends com.broadleafcommerce.cart.client.domain.FulfillmentItem> void updateFulfillmentItemsWithRoundedAdjustments(Collection<D> fulfillmentItems,
                                                                                                                                 Map<String,javax.money.MonetaryAmount> proratedOrderAdjustmentAmounts,
                                                                                                                                 javax.money.CurrencyUnit currency)

Sets the new rounded adjustment values on the fulfillment items.

Parameters:

fulfillmentItems - the collection of fulfillment items

proratedOrderAdjustmentAmounts - a mapping of fulfillment item reference numbers to the rounded adjustment amount

currency - the currency of the amounts to round

roundListOfMonetaryAmounts

protected Map<String,javax.money.MonetaryAmount> roundListOfMonetaryAmounts(Map<String,javax.money.MonetaryAmount> amounts,
                                                                            javax.money.MonetaryAmount totalAmount,
                                                                            javax.money.MonetaryAmount unitAmount)

Given a list of amounts that should round to the provided total, calculates and performs the rounding logic to add the remainder unit amounts.

Parameters:

amounts - list of amounts to round, mapped to a key for lookup on return

totalAmount - the total adjustment amount

unitAmount - the smallest unit amount of money for the currency

getUnitAmount

protected javax.money.MonetaryAmount getUnitAmount(javax.money.CurrencyUnit currency)

Determines the smallest unit amount of money for the CurrencyUnit.

For example, a currency with 2 fraction digits (like USD) will provide the amount "0.01".

Parameters:

currency - the currency to get the smallest unit amount for

Returns:

the smallest unit amount of money for the currency