Lecture 3: Essential BPMN

Question 1

When and why using BPMN2.0?

Answer 1

• Flow-diagrams provide an understandable and executable description of how to carry out a process
• Suitable for predictable & repetitive processes
• Not suitable for requirements (describing why)
• Not suitable for flexbile processes

Question 2

Pools and Swimlanes

Answer 2

• Process title is a pool – it contains at most one business process
• Lanes (function lane/data) – usually represents an organizational role (e.g. developer, analyst and manager)

Communication between 2 pools is with dotted lines, there can be no process flows across pools!!!

Question 3

Basic Events

Answer 3

• indicates the starting point for aparticular process. A process will always start with an event. (start event,message, timer etc.)
• A midwayevent is a break within the middle of the process (stage or step)
• An endevent indicates where a process will end. A process will always have an endevent

Question 4

Tasks and subprocess

Answer 4

-A task is an atomic activity which represents work that is not broken down

Activities that take time, events instantaneous

-On the contrary, a subprocess represents work that is broken down to a finer level ofdetail

Question 5

Exclusive gateway (XOR)

Answer 5

An exclusive gateway evaluates the state of the business process, and based on the condition, breaks the flow into one of the two or more mutually exclusive paths

Question 6

Parallel gateway

Answer 6

A parallel gateway is used to represent two concurrent tasks in a business flow

Question 7

Inclusive gateway

Answer 7

An inclusive gateway can be used to create alternative but also parallel paths within a business process flow