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MALL2000 project Document workflow under pattern control

MALL2000 project Document workflow under pattern control. Hans-Jürgen Hoffmann Darmstadt University of Technology, Germany December 1998 Hungarian-German Workshop on IST, Budapest. Steps in document processing ( HotDoc technology). A. B. Document prepared for P&S. Change parameters

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MALL2000 project Document workflow under pattern control

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  1. MALL2000 projectDocument workflow under pattern control Hans-Jürgen Hoffmann Darmstadt University of Technology, Germany December 1998 Hungarian-German Workshop on IST, Budapest

  2. Steps in document processing (HotDoc technology) A B Document prepared for P&S Change parameters for P&S ---------------- | 12 | 34 | ... ---------------- | ?? | 0 | ... ---------------- | ja | 77 | ... ---------------- dkfdfsdarufj dfdirfdsdlslf fddf dfdfdfödfödf ... Document received Document prepared for query Database reply inserted Fnfrhnfjthfndnfdrfdjsdfdfjdafjjfdkfkadsjrfjdsjrdsijffdmrljsd fjsdjrdjfjsdrjdjfdjdifjdkflkdfjdfjdjrfsdmffdmdfkdkdffjgldf Dfgfirgfgfg -------------- dfdkfdfaflsd-----------jdf -----djf------ frdfdkfjdmfmdx---------dm---df----- djfdkfajsdss Dfgfirgfgfg ---123456-- dfdkfdfaflsd-abcdef--jdf -----djf--xxx frdfdkfjdmfmdx---NO---dm---df----- djfdkfajsdss Insert HotSimple ... Send to DB Query visualised Document with refined query Edit lA| djfd | | | | xc| | | | | | | | | | 1x| | | | |-------------- 0 1 2 3 dfdkfdsssll fdfdfdsfasfdsf Fgfdsf------ dfdfdsf kd Dfgfirgfgfg ----0123---- dfdkfdfaflsd-----------jdf -----djf--345 frdfdkfjdmfmdx---------dm---df----- djf----------- Document modification chain Activity responsibility changed Document state DB = Database P&S = Planning & Simulation Insert Hotchart Send to DB NN

  3. Traditional approach: ad hoc, non repeatable Fixed business processing guidelines and rules One person in charge of one treatment Challenge for improvement: Interactive, pre-planned, Web-based, pattern-controlled Flexible, individually configurable/ designable Groupwork-oriented Design methodology and design tool required Workflow aspects for document processingin Electronic Commerce Applications„Programming“ the document modification chain Forget it!

  4. Typical examples: Document state modification (specialized from State [GHJV 95]) Database query (using, e.g., Facade/Proxy/Client-Dispatcher-Server [GHJV 95]/[BMRSS 96]) Dependency/Observer/Broadcast Time association [COAD 92] and many more Workflow composition, some ideas & examples: Essay based web site[PLoP 96] Conditional chain of activities Pattern-based integration architectures [PLoP 95] Plan patterns [COAD 97] Lifecycle and refactoring patterns [PLoP 95] Chain of responsibility[GHJV 95] Master-Slave [BMRSS 96] Application ofPattern Technology [GHJV 95] Gamma et al., Design patterns [BMRSS 96] Buschmann et al., Pattern-oriented software architecture [PLoP] Pattern languages of program design

  5. SummaryDocument workflow under pattern control,a project proposal • Participation sought in an EU 5th framework R&D project • OO modelling and specification of workflow patterns • Starting from available document composition framework HotDoc[BUCHNER 98] -- regrettable not yet „patternized“ -- • Architecture and specification of a „visually-supported workflow design tool“ for workflow composition based on appropriate patterns • No implementation (prototypical implementation in the scope of the MALL2000 project) • Time frame 1999 - 2000

  6. MALL2000 projectDocument workflow under pattern control Contact: Hans-Jürgen Hoffmann, Daniela Handl Darmstadt University of Technology, Germany Alexanderstr. 10, D-64283 Darmstadt phone +49+6151+163410 / fax +49+6151+166648 {hoffmann, handl}@pu.informatik.tu-darmstadt.de

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