com.neurosys.ecom.strategy.service

Class DefaultTaxStrategy<P extends Product,U extends User>

java.lang.Object

com.neurosys.ecom.strategy.service.AbstractStrategy<P,U>

com.neurosys.ecom.strategy.service.AbstractChargeStrategy<P,U>

com.neurosys.ecom.strategy.service.DefaultTaxStrategy<P,U>

Type Parameters:

P - as product

U - as user

All Implemented Interfaces:

ChargeStrategy<P,U>, CumulativeChargeStrategy<P,U>, TaxStrategy<P,U>, Strategy

public class DefaultTaxStrategy<P extends Product,U extends User>
extends AbstractChargeStrategy<P,U>
implements TaxStrategy<P,U>

Calculate Tax; default impl expects taxData attribute/field to contain the value as % of basePrice
Costs per unit are simple multiplied by Quantity

Default tax calculation = (Total Amount * tax%) / 100

Author:

Arjun Dhar

Field Summary

Fields inherited from class com.neurosys.ecom.strategy.service.AbstractChargeStrategy

taxStrategy

Fields inherited from class com.neurosys.ecom.strategy.service.AbstractStrategy

productService, scanHierarchy

Constructor Summary

Constructors

Constructor and Description
DefaultTaxStrategy()

Method Summary

Modifier and Type	Method and Description
<CONTEXT> Amount	calculate(P product, Number quantity, U user, String currency, List<PromotionForUser> promotions, CONTEXT context) Assumes tax data is represented in %, Number and the calculation is is a Tax% on (sale or regular price).
<DATA> DATA	getTaxDataForProduct(P product) Taxes are ususally applicable to all components So provide convenient reusable method for getting Tax Data By Default this matches DefaultTaxStrategy and gets data for #getRepresentativeProduct(Product, "taxData")
Boolean	getTaxReverseCaculated() If true implies any Taxation amount should not be Added to the Amount.getTotal() and that for all calculations the tax is inclusive, but the calculation available in Amount.getTax() If false; one should Add include the tax over the Amount.getBase() to get the Amount.getTotal()
void	setTaxReverseCaculated(Boolean taxReverseCaculated) If true implies any Taxation amount should not be Added to the Amount.getTotal() and that for all calculations the tax is inclusive, but the calculation available in Amount.getTax() If false; one should Add include the tax over the Amount.getBase() to get the Amount.getTotal()

Methods inherited from class com.neurosys.ecom.strategy.service.AbstractChargeStrategy

applyTax, calculate, getTaxStrategy, getVersion, setTaxStrategy

Methods inherited from class com.neurosys.ecom.strategy.service.AbstractStrategy

getProductService, getRepresentativeProduct, isScanHierarchy, setProductService, setScanHierarchy

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.neurosys.ecom.strategy.service.CumulativeChargeStrategy

calculate

Methods inherited from interface com.neurosys.ecom.strategy.service.Strategy

getVersion

Constructor Detail

DefaultTaxStrategy

public DefaultTaxStrategy()

Method Detail

calculate

public <CONTEXT> Amount calculate(P product,
                                  Number quantity,
                                  U user,
                                  String currency,
                                  List<PromotionForUser> promotions,
                                  CONTEXT context)

Assumes tax data is represented in %, Number and the calculation is is a Tax% on (sale or regular price). Whatever price is applicable.

Default tax calculation = (Total Amount * tax%) / 100

Specified by:

calculate in interface ChargeStrategy<P extends Product,U extends User>

Parameters:

product - as P

quantity - as Number

user - as U @NUllable true

currency - as String @nullable true. A null implies default currency

Returns:

Amount with Amount.getTax() representing the tax and Amount.getTaxReverseCaculated() is the Tax is already available in final Price, and just provided here for Reverse Calculations.

Can be null:

true

getTaxReverseCaculated

public Boolean getTaxReverseCaculated()

If true implies any Taxation amount should not be Added to the Amount.getTotal() and that for all calculations the tax is inclusive, but the calculation available in Amount.getTax()

If false; one should Add include the tax over the Amount.getBase() to get the Amount.getTotal()

Specified by:

getTaxReverseCaculated in interface TaxStrategy<P extends Product,U extends User>

Returns:

setTaxReverseCaculated

public void setTaxReverseCaculated(Boolean taxReverseCaculated)

If true implies any Taxation amount should not be Added to the Amount.getTotal() and that for all calculations the tax is inclusive, but the calculation available in Amount.getTax()

If false; one should Add include the tax over the Amount.getBase() to get the Amount.getTotal()

getTaxDataForProduct

public <DATA> DATA getTaxDataForProduct(P product)

Taxes are ususally applicable to all components So provide convenient reusable method for getting Tax Data
By Default this matches DefaultTaxStrategy and gets data for #getRepresentativeProduct(Product, "taxData")

Specified by:

getTaxDataForProduct in interface TaxStrategy<P extends Product,U extends User>

Parameters:

product -

Returns: