BPEL

Resources

• Lectures of weeks 11 and 12
• Eclipse BPEL Designer and Apache ODE Tutorial

Assignment description

Goal: create a web service composition as a simple BPEL process

Credits: by doing correctly this assignment you can obtain a maximum of 3 lab points

Deadline: Week 14

Requirements: Implement the BPEL process of validating an imobiliary transaction. An imobiliary transaction is valid and will be registered as such only in the following conditions: the person requesting the registration (the seller) is the owner of the property or an authorized representative of the owner, and the owner has no debts to any tax authority. A person is recognized as the current owner of an imobiliary property if he is found as such in the ImobiliaryPropertiesRegister. A person is an authorized representative if there is a warrant document registered in the PublicNotariesRegister.

Requirement 1: (This part of the assignment is 1 lab point) Implement the following 3 web services:

• ImobiliaryPropertiesRegister. It has an operation getOwner that takes as input the PropertyIdentificationNumber and returns the PersonIdentificationNumber of its owner.
• TaxAuthority. It has an operation getDebt that takes as input one PersonIdentificationNumber and returns the current amount of tax debth of this person.
• PublicNotariesRegister. It has an operation checkRepresentationDocument that takes as inputs two PersonIdentificationNumbers and returns true or false whether there is a representation document (a warrant) registered between them.

Requirement 2: (This part of the assignment is 2 lab points). Compose a service ValidateImobiliaryTransaction. It has an operation isValid, that takes an following two inputs: one input PersonIdentificationNumber and the second input PropertyIdentificationNumber. It will be implemented by a BPEL process, using the 3 services described above.