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SMEF 2004

A Proposed Measurement A Proposed Measurement Role in the Rational Unified Role in the Rational Unified

Process and its Process and its Implementation with ISO Implementation with ISO

19761: COSMIC19761: COSMIC--FFPFFP

Saadi Azzouz, Alain AbranÉcole de Technologie Supérieure – ETS

Montréal, Québec, Canada.

azzouz.saadi@courrier.uqam.ca aabran@ele.etsmtl.ca

Software MeasurementSoftware Measurement

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¤ Objective¤ Software size¤ Standard ISO 19761¤ RUP new measurement activity¤ Tool measurement basis¤ Solution¤ Results¤ Conclusion

SummarySummary

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Objective

ISO 19761 Standard

Software size RUP Process

ISO 19761 functional size of software developed within

Rational Unified Process

Predict – Measure software size at the first steps of development process

Functional Size MeasurementFunctional Size Measurement

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ISO 19761 Standard ISO 19761 Standard

COSMIC-FFPCommon Software Measurement International

Consortium - Full Function Point

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Generic data flowCOSMIC-FFP phases

Measurement phase

Functionalsize of themeasuredsoftware

Mappingphase

FURs ofthe

softwareto be

measured

Measurement rules and

procedures

COSMIC-FFP functional size

model

Mappingrules and

procedures

COSMIC-FFP software FURs

model

Mapping phase Measurement phase

ISO 19761 StandardISO 19761 Standard

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ISO 19761 StandardISO 19761 StandardGeneric data flow

Storage areaUsers

Back endSoftware to be measuredFront end

FP (FP (FunctionalityFunctionality))

Software

Devices

DG

Attr.E

X

DG

Attr.

W

R

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RUP and measurement activityRUP and measurement activityThe process - Static structure

TemplatesToolMentorsGuidelines

Workflow

Artifact

Activity

Worker

Org

anizatio

na

lon

gco

nten

t

Organization along time

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RUP and measurement activityRUP and measurement activity

Minor

control Point

Minor

control Point

Minor

control Point

Minor

control Point

Major control Point

Iteration 8

Iteration 7

Major control Point

Iteration 6

Iteration 5

Iteration 4

Major control Point

Iteration 3

Iteration 2

Major control Point

Iteration1

TransitionConstructionElaborationInception

The process - Dynamic structure

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RUP and measurement activityRUP and measurement activityMeasurement activity

RA

TION

AL R

OS

E TOO

L

TOO

L FOR

AU

TOM

ATIN

G TH

E MEA

SU

REM

ENT

OF FU

NC

TION

AL S

IZE

User disciplinesToolsGenerator disciplines

Implementing, testing and deployment

Project management

Configuration management and change

management

1 2 3 4

LOCs

Business modeling

Requirements analysis

Analysis and Design

History of data basemeasurements

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Automated measurement Automated measurement

Automation Automation isis veryvery useful useful but but needs oversightneeds oversight

COSMIC-FFP

The second step of measurement : The

scenario level

The third step of measurement : The Cosmic-FFP level

The first step of measurement : The Use case

level

RUP

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Automated measurementAutomated measurementMapping of COSMIC-FFP concepts to UML

Layer 1

FP (FP (FunctionalityFunctionality))

Software

Devices

DGAttr.

W

RDGAttr.

E

X

Layer 2, …

Use case

Class

?

CO

SM

IC-F

FP

concepts UM

L Notation Actors Message

Properties

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Automated measurementAutomated measurementMapping of COSMIC-FFP concepts to UML

COSMIC-FFP Concept UML equivalent

Class property PData attribute

UML class PData group

No UML equivalent (A new UML stereotype is created to distinguish a trigger event from a simple message in use-case diagrams )

Triggering event

Operation (message) PData movement

Use case PFunctional process

UML actor PCOSMIC-FFP user

No UML equivalent (Has to be identified manually)Software Layer

Use case diagram PSoftware boundary

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Automated measurementAutomated measurementMeasurement levels

Unit convention

• Data movements

• Type (E,X,R,W)

• Scenarios• Objets

• Use-cases • Actors• Interactions

Precursor Indicators (numbers)

• Detailed scenarios

• Analyse & Design

• Scenariodiagrams

• Analyse & Design

• Use-case diagrams

• Business modeling

• Requirements analysis

RUP artifactsused

Development phase

Cfsu

Sfsu

Ufsu

HIG

H A

bstractio

n level

LOW

x Ufsu = y Sfsu = z Cfsu

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Solution Overview Solution Overview

Tool basisTool basis : : Mapping of COSMICMapping of COSMIC--FFP FFP concepts to UML notationconcepts to UML notation

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Solution OverviewSolution Overview

Measurement method

Standard ISO 19761(COSMIC-FFP)

Environnement

Rational UnifiedProcess

Artifacts for measurement

Rational Rose

Mapping ofCOSMIC-FFP concepts to

UML notation

Extraction tool

Rational Extensibility

Interface

Automation of COSMIC-FFP procedures and rules

Specifications for the

Automationtool

ObjectiveSoftware size, ISO19761, RUP

Architecture of the solution

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Measurement activity

Solution Overview Solution Overview

Artefacts (Use cases, Scenario diagrams, …)Rational Rose

MeasurementTool

utility

MeasurementActivity

Auther activitiesActivities

TransitionConstructionElaborationInceptionPhases

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Tool implementation

Target software

Functional sizeStored results

Editing / Printingresults

COSMIC-FFPRules and

Procedures

Artifacts of the project to be measured(in Rational Rose environment)

Solution OverviewSolution Overview

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The three measurement levels

• Data movements .• Type (E,X,R,W, ?)

• Scenarios• Objects

• Use Cases• Actors• Use case interactions

COSMIC-FFP level(Cfsu)

Scenario level(Sfsu)

Use case level (Ufsu)

Stored results by software type (MIS, real time, embedded, etc.)

Analysis and synthesis

x Ufsu = y Sfsu = z Cfsu

Estimations : • Time,• Effort,• Costs, …

Solution OverviewSolution Overview

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ResultsResults

IntegratingIntegrating thethemeasurement tool measurement tool

as an as an AddAdd--In toIn toRational RoseRational Rose

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ResultsResultsResults - Main screen

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ResultsResultsResults - By Functional process

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Results - by Data Movement types

ResultsResults

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ResultsResultsPrinted results

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ResultsResultsMeasurement - Log

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ConclusionConclusionAdvantages:¤ Measurement results at 3 levels of abstraction¤ Good results with Rice Cooker & Valve Control

case studiesðDelta = 1 cfsu between manual and automated

measurements

¤ Requires rigor in the specifications

Constraints:¤ Operates on one layer¤ Limited to Rational Rose tool

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� A. Abran, J.M., Desharnais, S. Oligny, D. St-Pierre and C. Symons, "COSMIC FFP Measurement Manual - Version 2.2, The COSMIC Implementation Guide for ISO/IEC 19761: 2003," École de technologie supérieure – ETS, Montréal (Canada) 2003, p. 81. To download a copy: http://132.208.130.41/FFPguide/FFPGuideRegister.html� S. Azzouz, "Calcul avec ISO 19761 de la taille fonctionnel des logiciels développés avec Rational Unified Process", Master degree thesis report, Department of Computer Sciences, Université du Québec à Montréal, Montréal, Canada, 2003.� COSMIC Group, "Rice Cooker – Cosmic Group Case Study", École de technologie supérieure, Université du Québec, Montréal, Canada, January 26, 2003 version http://www.lrgl.uqam.ca/cosmic-ffp/casestudies/� COSMIC Group, "Valve Control System – Cosmic Group Case Study", École de technologie supérieure, Université du Québec, Montréal, Canada, January 25, 2003 version http://www.lrgl.uqam.ca/cosmic-ffp/casestudies/� G. Booch, J. Rumbaugh and I Jacobson. “The Unified Modeling Language User Guide,” Addison-Wesley , 1999� V. Béro, G. Lévesque and A. Abran, “Application de la méthode FFP à partir d’une spécification selon la notation UML: Comte-rendu des premiers essais d’application et questions,” p. 18� P. Kruchten, “The Rational Unified Process, an introduction,“ Addison Wesley, March 2000, p. 298.� P. Kruchten, “The RUP platform,” Montréal-SPIN,Montréal,Canada, Nov. 2003, p 33� M. Jenner, "Automation of Counting of Functional Size Using COSMIC-FFP in UML", 12th International Workshop on Software Measurement – IWSM 2002, Magdeburg, Germany, Oct. 7-9, 2002, pp. 43-51.

ReferencesReferences

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??http://www.internet.uqam.ca/web/t15040

QuestionsQuestions