Process Patterns - Business Processes - Lecture Slides, Slides of Business Policy and Regulation

Download Process Patterns - Business Processes - Lecture Slides and more Slides Business Policy and Regulation in PDF only on Docsity!

Process Patterns in

BizAGI

Overview

 Types of events  Types of gateways  Design patterns  list

Event Types

 Message – Arrives from a participant  Timer – Process starts at a period in time  Rule (conditional)– Triggers when a rule becomes true

Event Types (2)

 Link – Connect the end event of one process to the start of another process  Multiple – Multiple ways of triggering the process  Exception – An error  End events

Message Throw Catch

Example

Timer Events

 The event fires a specific time or cycle  Only applicable to start or intermediate events  In BizAgi, use the Element properties to set the timer to a date or cycle  Examples  Time delay to approve credit  Wait for payment date  Start payroll process every two weeks  See Timer in EventSamples

Gateways 1

 Gateways are used to depict decisions or merges  Types  Exclusive (XOR)  Only one output (alternative) flow is allowed  Gateways diverge or converge  Inclusive (OR)  A default output flow must be specified  Parallel for / join (AND)

Gateways (2)

 Event-based gateways  These are (Exclusive) gateways that rely on external messages

Gateway - OR

 Inclusive OR decision

Gateway – Example 3

 Parallel Forking – All sequence flows drawn out of the gateway are taken

Sub Processes –

Illustration (1)

Data Objects

 First, we are not talking about a database or physical data  We are talking about information about a process  Data objects are attached to a sequence or message flow with a dashed line

Text Annotation

 Contains descriptive text about a process  A line connects the annotation to the activity

Workflow Patterns

(Introduction)

 In this second section of the lecture, we talk about simple and complex workflow patterns  Much of this is derived from the AIFB paper (Modeling Workflow Patterns) in this lecture