Transcript Tutorial 1 - BPMN and SIGS

Tutorial 1 –
Basic BPMN and SIGs
RJ Macasaet
R&D Dept.
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Outline
I.
II.
III.
IV.
V.
Basic BPMN symbols
Sample BPMN diagram
Basic SIGs symbols
Sample SIGs diagram
Sample BPMN and SIGs diagram together
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Learn basic BPMN symbols
BASIC BPMN
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I. Basic BPMN constructors
• The sequence flow defines the execution
order of the activities
default flow –
if all other conditions are false
conditional flow –
used if the condition holds true
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I. Basic BPMN constructors
• Start event and end event – where flows begin
and end.
start
end
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I. Basic BPMN constructors
• An activity task is a unit of work and is the job
to be performed. When marked with a +
symbol it indicates a Sub-Process, an activity
that can be refined.
activity
activity
+
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I. Basic BPMN constructors
• A data object represents information flowing
through a process such as a document, email,
or letter
• A data store is a place where the process can
read or write data such as a database or a
filing cabinet. It exists even outside the whole
process
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I. Basic BPMN constructors
Lane 2
• Pools and lanes represent responsibilities for
activities in a process. A pool/lane may be an
organization, a role, or a system. Lanes further
subdivide pools or other lanes hierarchically.
Activity 1
Lane 1
start
end
Activity 2
Activity 3
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I. Basic BPMN constructors - Gateways
• Exclusive Gateway - When splitting, it routes
the sequence flow to exactly one of the
outgoing branches. When merging, it awaits
one incoming branch to complete before
triggering the outgoing flow.
or
X
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I. Basic BPMN constructors - Gateways
• Inclusive Gateway - When splitting, one or
more branches are activated. All active
incoming branches must complete before
merging.
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I. Basic BPMN constructors - Gateways
• Parallel Gateway - When used to split the
sequence flow, all outgoing branches are
activated simultaneously. When merging,
parallel branches wait for all incoming
branches to complete before triggering the
outgoing flow
+
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I. Basic BPMN constructors - Gateways
• Event-based gateway - is always followed by
catching events or receiving tasks. Sequence
flow is routed to the subsequent event/task
which happens first
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I. Basic BPMN constructors - Gateways
• Complex gateway - Complex merging and
branching behavior that is not captured by
other gateways
+
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II. BPMN Sample Diagram
Person A
Person B
Person C
• Exercise: Can you explain the following diagram?
end 1
Activity 1
Activity 3
Activity 2
Activity 4
start
+
end 2
Activity 5
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Learn basic SIGs symbols
BASIC SIGS
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III. Basic SIGs Symbols
• A non-functional requirement (NFR) softgoal
• An operationalizing method (cloud in bold)
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III. Basic SIGs Symbols Interdependency
• Direct “explicit” relationship (of softgoals)
• Indirect “implicit” relationship, correlation
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III. Basic SIGs Symbols Interdependency
• the following symbols are added to the arrows
to further define the interdependencies
++
+
-
--
and appears, for example, as the arrow below
+
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III. Basic SIGs Symbols Interdependency
• “to satisfice” means to be good enough
• when one positive “+” symbol is added to an
arrow, this indicates that there is “help” or
some “weak positive contribution” that helps
satisfice a softgoal but does not satisfice it just
by itself
+
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III. Basic SIGs Symbols Interdependency
• when two positive “++” symbols are added to
an arrow, this indicates that there is a “make”
or some “strong positive contribution” that
can satisfice a softgoal by itself
++
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III. Basic SIGs Symbols Interdependency
• when one negative “-” symbol is added to an
arrow, this indicates that there is a “hurt” or
some “weak negative contribution” that
hampers the achievement of a softgoal but
does NOT by itself, prevent satisficing the
softgoal
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III. Basic SIGs Symbols Interdependency
• when two negative “--” symbols are added to
an arrow, this indicates that there is a “break”
or some “strong negative contribution” that
by itself, prevents the achievement of the
softgoal
--
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III. Basic SIGs Symbols
• Other important symbols
Accepted – softgoal is fulfilled (or chosen
to be implemented)
X Rejected/Denied – softgoal can not be
realized (or is chosen NOT to be
implemented)
! Critical – an important softgoal
and/or – used to group (sub) softgoals
and
or
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IV. Custom Operationalizing Methods
• Operationalizing methods (clouds in bold)
can be further specified with custom symbols
and labels
Fast Workstation
{measurement:
CPU speed}
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V. Sample SIGs Diagram
• Exercise: Can you explain the following diagram?
Ability A
Ability C
Ability B
-
!
Operation E
++
Operation D
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Learn how to illustrate BPMN and SIGs together
BPMN + SIGS
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V. Sample BPMN + SIGs together
• The following symbol is used to link an
operationalizing method (from SIGs) to a
business process activity task (from BPMN) and is
referred to as an “operationalization target link”
• For now, we can link BPMN and SIGs with this
symbol. In tutorial 3 - component representation,
we discuss further refinements to this symbol
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V. Sample BPMN + SIGs together
• Exercise: Can you explain the following diagram?
Process: Customer selects
products online
Responsiveness
[system]
Start
Responsiveness
[hardware]
Customer logs on to the
online shopping website
Customer browses for
product(s)
Customer places the
product(s) in the
shopping cart
Responsiveness
[internet]
+
+
Workstation
{cpu speed}
Printer
{print speed}
++
Provide Internet
{bandwidth}
End
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Questions?
email:
[email protected]
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