The Need of Requirements Engineering for Achieving Success in MDD

Size: px

Start display at page:

Download "The Need of Requirements Engineering for Achieving Success in MDD"

Molly Bruce
6 years ago
Views:

1 The Nee of Requrements Engneerng for Achevng Success n MDD Óscar Pastor López Centro e Investgacón en Métoos e Prouccón e Software (ProS) Unversa Poltécnca e Valenca Camno e Vera s/n, Valenca, España (Span) opastor@pros.upv.es Phone: , Fax: MODELLING SYSTEMATIC TECHNIQUES APPROACH OFFER!!! METHODOLOGICAL TAKE 3, PAY GUIDANCE 2 YET ANOTHER CRITERIA METHOD NICE & CHEAP 1

2 OLIVANOVA CONCEPTUAL MODELLING CLASS DYNAMIC FUNCTIONAL PRESENTATION MODEL COMPILATION FINAL APPLICATION INTERFACE LAYER BUSINESS LAYER PERSISTENCE LAYER The OLIVANOVA approach: PROBLEM SPACE SOLUTION SPACE Conceptual moellng Object Moel Dynamc Moel Functonal Moel Presentaton Moel Moel complaton 3 Communcaton Analyss REQUIREMENTS ENGINEERING (2) (4) OLIVANOVA O (1) STRATEGIC DESCRIPTION OF ORGANISATION CONCEPTUAL MODELLING MODEL COMPILATION (3) BUSINESS IDENTIFICATION (5) BUSINESS Communcaton Analyss: PROBLEM SPACE Requrements engneerng approach for nformaton systems Proves a structure Proves a flow of actvtes The OLIVANOVA approach: SOLUTION SPACE Conceptual moellng Object Moel Dynamc Moel Functonal Moel Presentaton Moel Moel complaton FINAL APPLICATION 4 2

3 Goo practces n IS Engneerng: Offer external vew vew of the of IS. the IS. A communcatonal approach to IS analyss. specfcaton communcatve s Goo practces n IS Engneerng: Offer external vew of the IS. A communcatonal approach to IS analyss. Dfferentate problem space vs. soluton space. message n person web form 3

4 Goo practces n IS Engneerng: Offer external vew of the IS. A communcatonal approach to IS analyss. Dfferentate problem space vs. soluton space. (Stepwse) refnement of complex systems. Wse (stepwse) refnement of complex systems System / Subsystems events ( Logcal events ) Physcal events 4

5 Concepton of Communcaton Analyss Stems from research on IS funamental concepts Extenson of the FRISCO report. Evolves n collaboraton wth nustry Valenca Port Authorty Infrastructure an Transport Mnstry of the Valencan Regonal Government Anecoop S. Coop. (2 n grae cooperatve that aggregates +100 agrcultural cooperatves) Requrements structure an metho actvtes Requrements levels PROBLEM DECOMPOSITION DIAGRAM VNTTMPATS TEMPLATES INTERFACE DESIGN MODEL Communcaton Analyss actvtes Dynamc percepton Statc percepton (2) (4) (6) USAGE REQ. CAPTURE AND INTERFACE DESIGN COMPONENT DESIGN (1) STRATEGIC DESCRIPTION ION OF ORGANISATION IMPLEMENTATION (3) BUSINESS IDENTIFICATION (5) BUSINESS (7) OBJECT CLASSES MODELLING LOGICAL DESIGN LEGEND Actvty Influence Outcome Proucton BUSINESS OBJECT GLOSSARY DETAILED B.O.G. I.S. MEMORY MODEL 5

6 Actvty 1. Strategc escrpton of organsaton. Descrbe the Organsatonal System from a strategc p.o.v Decompose the problem Customer Servce Departments (salesmen) Proucton Department (clerks) Accountng Department (accountant) Management Boar Strategc busness ncators Increase n the number of photographers Increase n the number of exclusves Cash flow etc. Requrements structure an metho actvtes Requrements levels PROBLEM DECOMPOSITION DIAGRAM VNTTMPATS TEMPLATES INTERFACE DESIGN MODEL Communcaton Analyss actvtes Dynamc percepton Statc percepton (2) (4) (6) USAGE REQ. CAPTURE AND INTERFACE DESIGN COMPONENT DESIGN (1) STRATEGIC DESCRIPTION ION OF ORGANISATION IMPLEMENTATION (3) BUSINESS IDENTIFICATION (5) BUSINESS (7) OBJECT CLASSES MODELLING LOGICAL DESIGN LEGEND Actvty Influence Outcome Proucton BUSINESS OBJECT GLOSSARY DETAILED B.O.G. I.S. MEMORY MODEL 6

7 Actvty 2. event agramaton. Interacton between actors n orer to exchange nformaton. Ingong communcatve prmarly fee the IS memory wth new meanngful nformaton. Outgong communcatve prmarly consult IS memory. event. An ngong communcatve that fulfls the followng unty crtera. [ISO 1982] Extene from [FRISCO 1998] Actvty 2. event agramaton event. An ngong communcatve that fulfls the followng unty crtera. TRIGGER UNITY UNITY CRITERIA FOR BUSINESS PROCESS MODELLING Trgger responsblty s external. The event occurs as a response to an external. Some actor establshes contact wth the IS an trggers organsatonal reacton. COMMUNICATION UNITY REACTION UNITY Each an every event nvolves provng new meanngful nformaton. Input messages are representatons of somethng that happens n the IS. The event trggers IS reacton, whch s a composton of synchronous actvtes. Events are asynchronous among each other. 7

8 Illustratve example Photographer Photography Agency, Inc Publshng house 1 2 event agram of Photography Agency, Inc. 8

9 Actvty 3. Busness objects entfcaton. Busness Object Glossary. Structure that specfes busness objects. Busness objects are conceptons of enttes of the Subject System n whch the Organsatonal System s ntereste. Complex aggregates of propertes (not o o fragmentaton) Report recor Photographer recor Report elvery note Busness forms are catalogue. Busness ncators at the process level. Proucton epartment: prouctvty an proftablty ncators Delvery performance to customer Photographer prouctvty Requrements structure an metho actvtes Requrements levels PROBLEM DECOMPOSITION DIAGRAM VNTTMPATS TEMPLATES INTERFACE DESIGN MODEL Communcaton Analyss actvtes Dynamc percepton Statc percepton (2) (4) (6) USAGE REQ. CAPTURE AND INTERFACE DESIGN COMPONENT DESIGN (1) STRATEGIC DESCRIPTION ION OF ORGANISATION IMPLEMENTATION (3) BUSINESS IDENTIFICATION (5) BUSINESS (7) OBJECT CLASSES MODELLING LOGICAL DESIGN LEGEND Actvty Influence Outcome Proucton BUSINESS OBJECT GLOSSARY DETAILED B.O.G. I.S. MEMORY MODEL 9

10 Actvty 4. event specfcaton. Template structure Heaer Contact Communcatonal content Reacton Heaer Contact Communcatonal content Reacton Actvty 4. event specfcaton. SENDER CONTACT MESSAGE INFORMATION SYSTEM REACTION Heaer Contact Communcatonal content Reacton RECEIVER RECEIVER 10

11 Actvty 4. event specfcaton. Heaer Contact Communcatonal content Reacton PHO 3. Management boar resolves applcatons Goals: The IS ams to obtan a response to outstanng photographer applcatons. Descrpton: Monay mornngs, the management boar hols a meetng. A member of each epartment s present. A Proucton Department clerk has prepare a lst of outstanng (penng) photographer applcatons an a résumé of each applcant. Management boar procees to evaluate an resolve each applcaton. Depenng on the ocumentaton, a photographer s ether accepte or rejecte. Accepte photographers are classfe nto a qualty level (ths level wll etermne ther rates). After the meetng, the lst of resolve applcatons s returne to Proucton Department. Explanatory agram: PHOTOGRAPHER PHOTOGRAPHY AGENCY TECHNICAL DEPARTMENT CLERK PREPARE LIST OF OUTSTANDING APPLICATIONS MANAGEMENT BOARD Actvty 4. event specfcaton. Goals: The IS ams to obtan a response to outstanng photographer applcatons. Descrpton: Monay mornngs, the management boar hols a meetng. A member of each epartment s present. A Proucton Department clerk has prepare a lst of outstanng (penng) photographer applcatons an a Heaer résumé of each applcant. Management boar procees to evaluate an Contact resolve each applcaton. Depenng on the ocumentaton, a photographer s Communcatonal ether accepte or rejecte. Accepte photographers are classfe content nto a qualty level (ths level wll etermne ther rates). After the meetng, the Reacton lst of resolve eapplcatons s returne e to Proucton o Department. e t Explanatory agram: PHOTOGRAPHER RECEIVE LETTER LEGEND ACCEPTANCE / REJECTION LETTER PHOTOGRAPHY AGENCY TECHNICAL DEPARTMENT CLERK PREPARE LIST OF OUTSTANDING APPLICATIONS CREATE PHOTOGRAPHER RECORD SEND LETTER INFORMING OF RESOLUTION OUTSTANDING APLICATIONS RESOLVED APPLICATIONS MANAGEMENT BOARD EVALUATE AND RESOLVE APPLICATIONS PHYSICAL INFORMATION FLOW C t t t ACTOR POOL INFORMATION 11

12 PREPARE LIST OF OUTSTANDING APPLICATIONS RECORD Actvty 4. event specfcaton. RECEIVE LETTER ACCEPTANCE / REJECTION LETTER LEGEND PHYSICAL INFORMATION FLOW Contact CREATE PHOTOGRAPHER SEND LETTER INFORMING OF RESOLUTION ACTOR POOL INFORMATION OUTSTANDING APLICATIONS RESOLVED APPLICATIONS EVALUATE AND RESOLVE APPLICATIONS Heaer Contact Communcatonal content Reacton Prmary actor: Management boar. Communcaton channel: In person. Temporal restrctons: Ths communcatve event occurs Monay mornngs. Frequency: Of the monthly applcatons, aroun 5 are accepte. Communcatonal content Support actor: Proucton Department clerk Communcaton Structure: FIELD OP DOMAIN BUSINESS OBJ. EXAMPLE VALUE LEGEND RESOLUTIONS = { Applcaton()= < ID car # + Name + Aress + Postcoe + Cty + PHOTOGRAPHER (ID car #)= < Q Sergo Pastor González Camno e Vera s/n Valenca CSs Prmtves <+> aggregaton { } teraton [ ] alternatve ( ) selecton Ph # t t t Actvty 4. event specfcaton. Communcaton Structure of event PHO 3 Heaer Contact Communcatonal content Reacton FIELD OP DOMAIN BUSINESS OBJ. EXAMPLE VALUE LEGEND PHOTOGRAPHER (ID car #)= CSs Prmtves < Q Sergo Pastor González Camno e Vera s/n Valenca ext <+> aggregaton { } teraton [ ] alternatve ( ) selecton RESOLUTIONS = { Applcaton()= < ID car # + Name + Aress + Postcoe + Cty + Phone # + Equpment + Experence + Portfolo + Resol. ate + Decson + [ Accepte = < Level > ] > } ocument ate [acc rej] Decson=acc Rate<level> resol ate + ecson + level > Canon A1 w. telemacro Worke for Mangum Ph N/A (sample of work) November 21, 2008 acc 1 (hghest qualty level) Informaton aquston operatons ervaton nput 12

13 Contact Actvty 4. event specfcaton. Prmary actor: Management boar. Communcaton channel: In person. Heaer Temporal restrctons: Ths communcatve event occurs Monay mornngs. Contact Frequency: Of the monthly applcatons, aroun 5 are accepte. Communcatonal content Communcatonal content Reacton Support actor: Proucton Department clerk Communcaton Structure: FIELD OP DOMAIN BUSINESS OBJ. EXAMPLE VALUE LEGEND ocument PHOTOGRAPHER (ID car #)= < Q Sergo Pastor González Camno e Vera s/n Valenca ext Canon A1 w. telemacro Worke for Mangum Ph N/A (sample of work) CSs Prmtves <+> aggregaton { } teraton [ ] alternatve ( ) selecton Informaton aquston operatons resol ate + November 21, 2008 ecson + acc RESOLUTIONS = { Applcaton()= < ID car # + Name + Aress + Postcoe + Cty + Phone # + Equpment + Experence + Portfolo + Resol. ate + Decson + [ Accepte = < Level > ] > > ate [acc rej] Decson=acc Rate<level> level > Reacton Busness object: If the applcaton s accepte, the photographer becomes part of the agency. The 1 (hghest qualty level) ervaton nput Requrements structure an metho actvtes Requrements levels PROBLEM DECOMPOSITION DIAGRAM VNTTMPATS TEMPLATES INTERFACE DESIGN MODEL Communcaton Analyss actvtes Dynamc percepton Statc percepton (2) (4) (6) USAGE REQ. CAPTURE AND INTERFACE DESIGN COMPONENT DESIGN (1) STRATEGIC DESCRIPTION ION OF ORGANISATION IMPLEMENTATION (3) BUSINESS IDENTIFICATION (5) BUSINESS (7) OBJECT CLASSES MODELLING LOGICAL DESIGN LEGEND Actvty Influence Outcome Proucton BUSINESS OBJECT GLOSSARY DETAILED B.O.G. I.S. MEMORY MODEL 13

14 Communcaton Analyss offers a systemc way to structure Specfc technques for IS analyss Event Dagram. Communcatonal perspectve on busness process moellng Unty crtera to eal wth encapsulaton (granularty of processes) Communcaton Structures Specfes messages relate to communcatve events Dervaton of IS memory from communcaton structures Future work Propose precse guelnes to erve IS memory Desgn user nterface from communcaton structures Report nustral case stues n the use of Communcaton Analyss Take avantage of MDD an coe generaton frameworks Extremely long etcetera (I hope) Thanks for your attenton! Centro e Investgacón en Métoos e Prouccón e Software (ProS) Unversa Poltécnca e Valenca Camno e Vera s/n, Valenca, España (Span) sergo.espana@pros.upv.es Phone: , Fax:

Experiments with Protocols for Service Negotiation

Experiments with Protocols for Service Negotiation PROCEEDINGS OF THE WORKSHOP ON APPLICATIONS OF SOFTWARE AGENTS ISBN 978-86-7031-188-6, pp. 25-31, 2011 Experments wth Protocols for Servce Negotaton Costn Bădcă and Mhnea Scafeş Unversty of Craova, Software