Integrate Calculator Service
Calculating costs for a service and raising demand for bill generation
Overview
Calculation
The calculation class contains the calculation logic for the birth certificate registration charges. This can vary from city to city. Based on the application submitted, the calculator class will calculate the tax/charges and call the billing service to generate the demand.
What is a demand?
A demand is the official communication sent by a government authority to a citizen requesting them to pay for a service. A demand leads to a bill. When a bill is paid, a receipt is generated. A demand can be modified prior to bill generation.
Steps
For our guide, we are going to create a Calculation Service that will call the calculator to generate a demand. Follow the steps below -
Create a class under
service
folder by the name ofCalculationService
Annotate this class with @Service annotation and add the following logic within it -
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