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Apresentação do Curso de Engenharia de So5ware II Leonardo Gresta Paulino Murta [email protected]ff.br
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Apresentações• Quemsoueu?
– LeonardoMurta– h>p://www.ic.uff.br/~leomurta
• Quemsãovocês?– Nome?– Estágio?ProjetodeAplicação?IniciaçãoCienMfica?– OqueachoudeEngenhariadeSoRwareI?– ExpectaTvasparaEngenhariadeSoRwareII?
Leonardo Murta Apresentação do Curso 2
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Relembrando,oqueéEngenhariadeSoRware?
“EngenhariadeSoRwareéaaplicaçãodeumaabordagemsistemá:ca,disciplinadaequan:ficávelaodesenvolvimento,operaçãoemanutençãodesoRware”
IEEEStd610.12(1990)
Leonardo Murta Apresentação do Curso 3
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Maseujáseimodelareprogramar!
• PorqueprecisodeEngenhariadeSo5wareII?– ModelareprogramarsãoparteimportantedoprocessodeEngenhariadeSoRware,masnãosãotudo!
• Precisamostambémsaber...– comoesTmarumprojeto(tamanho,custo,cronograma),– comomonitoraroandamentodeumprojeto,– comotestarosoRware,– comocontrolaraevoluçãodosoRware,– etc.
Leonardo Murta Apresentação do Curso 4
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Programasdefaculdade• Requisitosestáveisebemdefinidos• Escopopequeno(1a10KLOCS)• Prazosrazoáveis• Equipespequenas• Mãodeobragratuita• Nãoentraemprodução• Nãotemusuário• Nãoprecisademanutenção
Leonardo Murta Apresentação do Curso 5
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Programasdo“mundoreal”• FazersoRwareno“mundoreal”deveconsiderarfatorescomo:– Escopo– Custo– Prazo– Qualidade
• EmfunçãodotamanhodosoRware,essesfatoressetornamdifceisdegaranTr!
Leonardo Murta Apresentação do Curso 6
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Cenário1:AgendaPessoal
• ObjeTvo– Guardaronomeeoaniversáriodeaté50pessoas
• Quantocustaparafazer?• Quantotempovailevarparaficarpronto?
• Qualaconsequêncianocasodedefeito?
Leonardo Murta Apresentação do Curso 7
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Cenário2:Boeing777
• ObjeTvo– ControlartodoohardwaredoBoeing777
• Quantocustaparafazer?• Quantotempovailevarparaficarpronto?
• Qualaconsequêncianocasodedefeito?
Leonardo Murta Apresentação do Curso 8
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Cenário2:Boeing777
• Tamanho– Maisde4milhõesdelinhasdecódigo– Linguagemdominante(>99%):Ada
• Documentação– De100a10.000páginasporsub-sistema– Totalde79sub-sistemasintegrados
• Duração– 4,5anosdedesenvolvimento
• AmplauTlizaçãodeEngenhariadeSoRware• Emoperaçãodesde1995
– Zeroacidentesgravesaté2006
Leonardo Murta Apresentação do Curso 9
http://www.stsc.hill.af.mil/crosstalk/1996/01/Boein777.asp http://www.boeing.com/news/techissues/pdf/statsum.pdf
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MasfazersoRwarenãoéarte?• Partearte,parteengenharia...
– Seocantor/ator/pintorerrar,aaudiênciaficachateada
– Seoengenheirocivilerraroprédiopodecair– Seomédicoerraropacientepodemorrer
• SeodesenvolvedordesoRwareerrar,oquepodeacontecer?
Leonardo Murta Apresentação do Curso 10
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Casoreal1:Therac-25
• Máquinaderadioterapiacontroladaporcomputador
• Problema:– DosesindevidasderadiaçãoemiTdas
• Causa:– Interfacecomusuárioinapropriada– Documentaçãodeficiente– SoRwarereuTlizadosemseradaptadoparaonovohardware– SoRwaredesensoresdefalhacomdefeito
• Conseqüências– Aomenos5mortesentre1985e1987
Leonardo Murta Apresentação do Curso 11
http://sunnyday.mit.edu/papers/therac.pdf
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Casoreal2:Ariane5
• Foguetelançadordesatélites
• Problema:– Ofogueteseauto-destruiu40segundosapósolançamento
• Causa:– SoRwarereuTlizadosemseradaptadoparaonovohardware– AusênciadetestesdestesoRwareemsolo– Defeitoapresentadoemvôo
• Conseqüências– PrejuízodemaisdeUS$370.000.000,00em1996
Leonardo Murta Apresentação do Curso 12
Dowson, Mark. 1997. The Ariane 5 software failure. SIGSOFT Softw. Eng. Notes 22, no. 2.
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MoTvaçãoextraparaestudar?• DiversosconcursoseoportunidadesdeempregoexigemconhecimentodeEngenhariadeSoRware
• Algunsexemplos:
Leonardo Murta Apresentação do Curso 13
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Leonardo Murta Apresentação do Curso 14
Comoseráocurso?
SóosMétodosClássicosprestam!
SóosMétodosÁgeisprestam!
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Comoseráocurso?• VeremossempreconceitotécnicasclássicaseágeisdeEngenhariadeSoRware
• UTlizaremosoqueconsiderarmosmelhorparacadasituação
• Mas...oprocessobasequeuTlizaremosseráiteraTvo,incrementaleágil
Leonardo Murta Apresentação do Curso 15
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Escopodocurso
Leonardo Murta Apresentação do Curso 16
GerênciadeConfiguração
GaranTadaQualidade
Verificação,ValidaçãoeTestes
PlanejamentodeProjetos
GerênciadeRiscos
MonitoramentoeControle
MediçãoeAnálise
LevantamentodeRequisitos Modelagem
Arquitetura ReuTlização
MelhoriadeProcessos
Atividades Gerenciais
Atividades de Análise e
Projeto
Atividades de Apoio
Projeto
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Avaliação
Leonardo Murta Apresentação do Curso 17
Média = 2×Prova1 + 2×Prova2 +Trabalho5
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Trabalho• Fazerumcaixabancárioeletrônico(ATM)usandoastécnicasestudadasduranteocurso,comasseguintesfuncionalidades– Usuáriosecontas– Saldoeextrato– Depósito,saque,pagamentoetransferência– Impressãoecompensaçãodecheques– InvesTmento
• Seenxerguemcomoumapequenaso#warehouse– Grupode5parTcipantes
• Seráavaliadotantooprodutoquantocomoesseprodutofoidesenvolvido(processosetécnicasaplicados)
Leonardo Murta Apresentação do Curso 18
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Trabalho• Trêsapresentaçõese
entregasserãofeitasduranteocurso
• 1ªapresentaçãoeentrega– Escopodoproduto– Escopodoprojeto– EsTmaTvasdeesforçoecusto– Orçamento– Cronograma– Análisederiscos– Monitoramentoecontrole– Versãoparcialdoproduto
• 2ªapresentaçãoeentrega– Ferramentasetécnicasde
gerênciadeconfiguraçãoadotadas
– Conteúdodorepositório– Monitoramentoecontrole– Versãoparcialdoproduto
• 3ªapresentaçãoeentrega– Ferramentasetécnicasde
testesadotadas– Casosdetesteeresultados
dasuaexecução– Monitoramentoecontrole– Versãofinaldoproduto
Leonardo Murta Apresentação do Curso 19
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Bibliografiadocurso
Leonardo Murta Apresentação do Curso 20
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Páginadocurso
Leonardo Murta Apresentação do Curso 21
Importante: cadastrem-se no Grupo do Facebook informado no site!
http://www.ic.uff.br/~leomurta (no final da página tem o cronograma, com datas e slides)
