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Automated Transformation from Descartes Modeling Language to Palladio Component Model Jürgen Walter, Simon Eismann, Adrian Hildebrandt Dept. of Computer Science, University of Würzburg Symposium on Software Performance, Nov 6 th 2015, Munich, Germany

Differences PCM and DML? 2 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Motivation Benefits Transformation • Tooling can be reused • Improves understanding of differences • Flexibility to change Benefits Automation • Automated transformation is faster, less error-prone and less expensive compared to manual extraction 3 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Project Overview • Tooling has to be developed for each formalism Problem • Comparison challenging • Manual transformation error-prone and time consuming Idea • Model transformation of DML to PCM • Reuse of existing PCM tooling for DML Benefit • Improved understanding of differences and similarities • Simplified change of formalism Action • Implement a model-to-model transformation 4 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Architectural Performance Modeling 5 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Transformation Overview Resourcelandscape Resourceevironment 6 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Resource Landscape Hierarchical resource landscape Information loss 7 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Resource Landscape 8 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Specification of Processing Resources 9 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Processing Resources “Server“ Resource Container Hardware Layer ComputingInfrastructure Software Layer Information loss 10 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Service Behavior Example: DML Abstraction Layers PCM Abstraction Layer • Fine-grained behavior • Fine-grained behavior/SEFF • Coarse-grained behavior • Blackbox behavior 11 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Fine-Grained Behavior Mapping 12 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Coarse-Grained Behavior Mapping Loop and Branch Actions 13 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Blackbox Behavior Mapping 14 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Technical Transformation Alternatives Relational/ Direct- Operational/ Hybrid Manipulation Imperative Declarative • Multi-purpose • „Constraint • e.g. Xtend • Declarative and programming solving“ imperative language • e.g. QVT-R • e.g. ATL, ETL • e.g. JAVA 15 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Evaluation 26 Unit Tests Components Behavior Interface Resource Landscape BasicComponent BlackBoxBehavior Interface LinkingResource ComposedStructure FineGrainedBehavior Signature ComputingInfrastructure AssemblyConnector ReleaseAction Parameter ProvidingDelegation AquireAction PrimitiveDataType Connector RequiringDelegation ExternalCallAction ComposedDataType Connector AssemblyContext InternalCallAction StoEx BoolPMF, DoublePMF, EnumPMF, BoxedPDF, variableExpression, Term, Multiplication 16 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Case-study 17 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Summary • Tooling has to be developed for each formalism Problem • Comparison challenging and time consuming • Manual transformation error-prone Idea • Model transformation of DML to PCM • Reuse of existing PCM tooling for DML Benefit • Improved understanding of differences and similarities • Simplified change of formalism Action • Implement a model-to-model transformation 18 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

THANK YOU https://se3.informatik.uni-wuerzburg.de/descartes/dml2pcm 19 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model

Literature 20 Jürgen Walter: Automated Transformation of Descartes Modeling Language to Palladio Component Model