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BPMN Process Diagram

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BPMN Symbols

Events

Processes

Connectors

Gateways

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Events

An event is something that happens during

the process

Events affect the flow of the process and

usually have a cause and/or impact

Events are classified as either start,

intermediate or end

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Sample EventsEvents are classified as start,intermediate or end events.

Start events have single

borders, intermediate events

have double borders and end

events have thick borders.

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Activity

Activity is a step in a process that performswork

Activities are either atomic or compound

(subprocess) Compound activities have their own activities,

events, gateways, etc.

Processes are hierarchical Activities within a compound activity can also be a

compound activity

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Activities

Task

+

Collapsedsubprocess

+

Compensation

+

Loop

+

Multipleinstances

+~

Ad Hocsubprocess

~ +

Looping AdHoc

subprocess

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Sequence Flow

Sequence Flow

Conditional Flow

Default Flow

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Gateways

Gateways are controllers that split or join

sequence flows

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Messages

Only messages are allowed between pools

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Data Objects

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Basic process structure

Send partnerresponse

Handle request

Partnerrequest

Start Event

Sequence of activities

End event

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Intermediate event

Start

2PM

Send Msg topartner

Wait forpartner

response

Send

partner

ACK

Could be a receive task

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Variables and properties

Objects in diagrams can have properties and

decisions can be made based on the values

assigned to them

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Exception handling and compensation

+

Enroll customer

+

Fix

+

Send welcomepackage

Enroll customer

Check credit

Check credit

Throwbad

credit

Exception occurs in

subprocess

Expanded subprocess

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Compensation

Reserve hotelCustomer calls

to cancel

CompensateReserve Hotel

+

Cancelreservation

+

Reserve hotel

Compensation is used to undo the effects of previous activities

This

..causes this to

fire

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Parallel Split

Get Itenerary

Book airline Book hotel Book car

Sendconfirmation

AND Gateway

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Multi-Choice

Evaluatedamage

Contact firedepartment

Contactinsurancecompany

Submit report

Structural damage>$1000 damage

Inclusive OR

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Get approved

Send welcomepackage

Send rejectionletter

Record an audittrail

Exclusive Choice

XOR gateway

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Multi-Merge

Audit application

Processapplication

Close case

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Discriminator and N-Out-of-M Join

Submit report

Submit report

Submit report

Submit report

Submit report

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Deferred Choice

Submit request

Send welcomepackage

Send rejectionletter

Accept

Reject

Wait forresponse

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Cancel Case

Main flow

Canceller

Step 1 Step 2 Step 3

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Expense Reimbursement Process

ReceiveExpenseReport

7 days 23 days

Create

ExpenseAccount

Review forPre-

Approval

Auto-ApproveExpenseAccount

TransferMoney toEmployees

Bank

ApprovalReview bySupervisor

NotifyEmployee of

Rejection

Send Approvalin Progress e-

mail tosubmitter

Send e-mailcancellation

notice tosubmitter

No

Yes

AccountExists?

Pre-Approved?

Otherwise

Amount