Tools4BPEL4Chor

Tools4BPEL4Chor Niels Lohmann and Oliver Kopp YR-‐SOC 2008 ▪ London ▪ 13 June 2008 UNIVERSITÄT ROSTOCK

Overview Oryx BPEL4Chor Editor BPEL2oWFN BPEL4Chor oWFN2BPEL Compiler choreography Compiler Fiona Petri net model Synthesis (synthesized participant) Rachel Petri net model Petri net model Correction (corrected participant) LoLA Petri net model Analysis (counter example) 2

Oryx – http://www.bpel4chor.org/editor 3

Oryx Design Goals • 1. Easy access  Zero-‐installation, a process model “just a bookmark away” • 2. Full BPMN support  All language constructs and attributes • 3. Extensibility  New languages, new functionality • 4. Support for open standards / interoperability  XPDL, RDF, BPEL

Oryx and the Process Lifecycle BPMN modeling Petri net modeling EPC modeling Technical config for BPMN BPMN 2 BPEL mapping

Oryx History • 2005  Idea: create own process modeling tool suite at BPT group  First version: GEF-‐/eclipse-‐based BPMN editor • 2006  Bachelor project starts developing Oryx • 2007  Oryx released as open source  Major interest from industry and academia  First external plugin from Stuttgart (BPMN 2 BPEL) • 2008  Continuous improvements  More HPI plugins (EPC, layouting, analysis, …)  More external plugins from Stuttgart, Australia, Estonia, …

Analysis Tools • joint work of  Universität Rostock  Humboldt-‐Universität zu Berlin  Jan Bretschneider, Dirk Fahland, Christian Gierds, Kathrin Kaschner, Jens Kleine, Peter Massuthe, Niels Lohmann, Christian Stahl, Daniela Weinberg, Karsten Wolf + dozens of students service-‐technology.org 7

The running example send offer Customer rejection send send receive booking payment conﬁrmation Travel Agency receive receive send booking payment ticket order send offer receive offer rejection send conﬁrmation Airline send refusal 9

BPEL2oWFN • translate BPEL choreography into a Petri net model BPEL2oWFN BPEL processes Static Analysis Translation Petri net topology • feature-‐complete semantics (fault handling, …) 10

LoLA • Petri net model checker Yes LoLA Petri Net Deadlock checker, Witness path CTL model checker, AFϕ No speciﬁcation Counterexample • many successful case studies • reduction techniques allow analysis of real-‐life models 11

Fiona • Service model analysis tool Fiona Partner Synthesis Open Petri net Open Petri net (Service) (Partner) • if deadlock-‐free interaction is possible, a partner can be synthesized • basis for other applications (service mediation, …) 12

Fiona • Service model analysis tool Fiona Exhaustive analysis Open Petri net Operating (Service) Guideline • operating guideline characterizes all partners • alternative to public view approach • allows for eﬃcient service discovery/matching 13

Rachel • Choreography repair tool ✗ Rachel Matching-‐based ✓ service automaton Edit Distance ﬁxed service automaton operating guideline • reﬁnes choreography partner synthesis 14

oWFN2BPEL • translate formal models to BPEL oWFN2BPEL intermediate model BPEL-‐annotated oWFN Open workﬂow net BPEL process • bring results back to an executable language  ﬁxed/synthesized participants  counterexamples 15

Try it • all tools are free software • download them at  service-‐technology.org/bpel2owfn  service-‐technology.org/lola  service-‐technology.org/fiona  service-‐technology.org/rachel  service-‐technology.org/owfn2bpel 16

Tools4BPEL4Chor

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