CHOReVOLUTION Studio Demo at EclipseCon Europe 2016
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This presentation of the CHOReVOLUTION Studio is provided by Amleto DiSalle, Researcher from L'Aquila University
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CHOReVOLUTION Studio Demo at EclipseCon Europe 2016
- 1. Compose and run new services without programming experience, with Eclipse-based Studio Amleto Di Salle University of L’Aquila ITALY e-mail: amleto.disalle@univaq.it
- 2. CHOReVOLUTION • Title: Automated Synthesis of Dynamic and Secured Choreographies for the Future Internet • Follow up FP7 EU project CHOReOS • Period: January 2015 - January 2018 • Site: http://www.chorevolution.eu
- 3. Outline • Setting the context • Development approach (high-level view) • Synthesis process • CHOReVOLUTION platform • CHOReVOLUTION Studio
- 4. Service composition approaches Orchestration (centralized) Choreography (fully distributed) Local centralized view from the perspective of one participant Global decentralized view from a multi-participant perspective (albeit without a central controller) Setting the context
- 5. Reusing existing services and things (often black-box) Distributed composition Support for automation is needed (time-to-market, correctness by construction, etc.) Aiding software producers to realize, deploy, execute, and monitor choreography-based systems by (possibly) reusing existing services Setting the context (cont’d)
- 6. Development approach Choreography modelers cooperate each other to set business goals, e.g., - assisting travelers from arrival, to staying, to departure
- 7. Development approach (cont’d) Reserve TaxiFind POI Reserve Table Check Flight … ... … ... … ... Identify tasks and participants required to achieve the goal, e.g., - reserving a taxi from the local taxi company, - purchasing digital tickets at the train station, - performing transactions through services based on near field communication in a shop
- 8. Development approach (cont’d) Reserve TaxiFind POI Reserve Table Check Flight … ... … ... … ... Specify how participants must collaborate as admissible flows of the identified business tasks through: - BPMN2 Choreography Diagrams Model BPMN2 Specification - http://www.omg.org/spec/BPMN/2.0/
- 9. inventory contains services/things published by providers, e.g., - transportation companies - airport retailers Development approach (cont’d) Model Inventory
- 10. • Out of the specified business goal, and • the set of services available in the inventory ... Synthesis Processor Choreography developer Synthesis Processor automatically produces (if possible) a choreography- based application achieving the specified goal Synthesis phaseModelling phase CHOReVOLUTION Cloud Infrastructure Model Inventory
- 11. Synthesis Process Choreography Specification Validation Choreography Projection Selection BC Generation SF Generation Adapter Generation BC Service/Thing Description Inventory Participant Model (BPMN2 Choreography Diagram) SF A CD Generation CD BPMN2 Choreography Diagram Messages XML Schema Choreography Architecture Generation BCService/Thing SF A Choreography Deployment Generation Choreography Architecture Description Choreography Deployment Description CD OVERALL GOAL provide automatic support to the realization of choreography-based systems by realizing a synthesis process
- 12. Synthesis Process (cont’d) Choreography Specification Validation Choreography Projection Selection BC Generation SF Generation Adapter Generation BC Service/Thing Description Inventory Participant Model (BPMN2 Choreography Diagram) SF A CD Generation CD BPMN2 Choreography Diagram Messages XML Schema GOAL check the choreography realizability and its enforceability by the process
- 13. Synthesis Process (cont’d) Projection of "Tourist Agent" participant Choreography Specification Validation Choreography Projection Selection BC Generation SF Generation Adapter Generation BC Service/Thing Description Inventory Participant Model (BPMN2 Choreography Diagram) SF A CD Generation CD BPMN2 Choreography Diagram Messages XML Schema GOAL derive a (sub-) BPMN2 Choreography Diagram that contains only the choreography flows involving the considered participant
- 14. Synthesis Process (cont’d) Service/Thing specification process Participant Model (BPMN2 Choreography Diagram) Choreography Specification Validation Choreography Projection Selection BC Generation SF Generation Adapter Generation BC Service/Thing Description Inventory SF A CD Generation CD BPMN2 Choreography Diagram Messages XML Schema Interface Specification Interface Description Interaction Protocol Specification Interaction Protocol Description QoS Specification QoS Description Security Specification Security Description Inventory GOAL querying the Service Inventory in order to select concrete services (or things) that can play the roles of the choreography participant
- 15. Synthesis Process (cont’d) Participant Model (BPMN2 Choreography Diagram) Choreography Specification Validation Choreography Projection Selection BC Generation SF Generation Adapter Generation BC Service/Thing Description Inventory SF A CD Generation CD BPMN2 Choreography Diagram Messages XML Schema GOAL generate BCs when the interaction style (e.g., REST) of a selected service (or thing) is different from SOAP S1 S2 CD1 CD2 BC1 BC2
- 16. Synthesis Process (cont’d) Participant Model (BPMN2 Choreography Diagram) Choreography Specification Validation Choreography Projection Selection BC Generation SF Generation Adapter Generation BC Service/Thing Description Inventory SF A CD Generation CD BPMN2 Choreography Diagram Messages XML Schema GOAL generate SFs to filter the services interactions according to the specified security requirements (e.g., different authentication & authorization attributes) S1 S2 CD1 CD2 BC1 BC2 SF1 SF2
- 17. Synthesis Process (cont’d) Choreography Specification Validation Choreography Projection Selection BC Generation SF Generation Adapter Generation BC Service/Thing Description Inventory Participant Model (BPMN2 Choreography Diagram) SF A CD Generation CD BPMN2 Choreography Diagram Messages XML Schema GOAL generate adapters that bridge the gap between the abstract interface and concrete interface of a selected service (or thing) S1 S2 BC1 BC2 SF1 SF2 CD1 CD2 A1 A2
- 18. Synthesis Process (cont’d) Choreography Specification Validation Choreography Projection Selection BC Generation SF Generation Adapter Generation BC Service/Thing Description Inventory Participant Model (BPMN2 Choreography Diagram) SF A CD Generation CD BPMN2 Choreography Diagram Messages XML Schema GOAL generate CDs that coordinate the interactions among the selected services (or things) in order to fulfill the global collaboration prescribed by the choreography specification, in a fully distributed way S1 S2 BC1 BC2 SF1 SF2 CD1 CD2 A1 A2
- 19. Synthesis Process (cont’d) Architectural description of the use case GOAL generate an architectural description of the choreographed system Choreography Architecture Generation BCService/Thing SF A Choreography Deployment Generation Choreography Architecture Description Choreography Deployment Description CD
- 20. Synthesis Process (cont’d) Choreography Deployment Description of the use case Choreography Architecture Generation BCService/Thing SF A Choreography Deployment Generation Choreography Architecture Description Choreography Deployment Description CD GOAL generate the Choreography Deployment Description
- 21. CHOReVOLUTION platform CHOReVOLUTION Front-end provides CHOReVOLUTION Studio • design a choreography with BPMN2 • drive the generation of additional artifacts exploiting the Synthesis Processor CHOReVOLUTION Console • manage running services and choreographies • monitor the execution of a choreography • monitor the execution of a cloud
- 22. CHOReVOLUTION platform CHOReVOLUTION Back-end provides • Generation of the Concrete Choreography specification and all the required BCs, Ads, CDs, SFs (Synthesis Processor) • Deployment, configuration and control of BCs, Ads, CDs, SFs on the CHOReVOLUTION cloud infrastructure (Enactment Engine) • Management of authentication and authorization for services at run-time that uses different security mechanisms at protocol level (Identity Manager) • Propagation/synchronizion of service/user profiles to/from external resources and provision of managed services (Federation Server)
- 23. CHOReVOLUTION platform Execution time, for each choreography, in the CHOReVOLUTION cloud, there are • A set of choreography instances at different execution states • A set of virtual machines executing a custom- tailored mix of services and middleware components to serve different parts of the choreography
- 46. References • Web Site http://www.chorevolution.eu • Twitter https://twitter.com/CHOR_eVOLUTION • Source Code (GIT repositories) https://goo.gl/kQUXgk • OW2 JIRA https://goo.gl/9FxVSj
- 47. That’s all folks