[ITA] Linguaggi di orchestrazione e coreografia

Linguaggi di orchestrazione e coreografia Marco Brambilla Politecnico di Milano Febbraio 2004 http://home.dei.polimi.it/mbrambil http://twitter.com/MarcoBrambi http://www.slideshare.net/mbrambil

Sommario ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Obiettivi della lezione ,[object Object],[object Object],[object Object],[object Object]

Prerequisiti e collegamenti ,[object Object],[object Object],[object Object],[object Object]

Orchestrazione e coreografia - premessa ,[object Object],[object Object],[object Object],[object Object]

Orchestrazione ,[object Object],[object Object],[object Object],[object Object],[object Object]

Coreografia ,[object Object],[object Object],[object Object],[object Object]

Altre interpretazioni ,[object Object],[object Object]

Requisiti per la coreografia (1) ,[object Object],[object Object],[object Object],[object Object]

Requisiti per la coreografia (2) ,[object Object],[object Object],[object Object],[object Object]

Interazioni asincrone: correlation vs. composition ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Linguaggi ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

XLang (S. Thatte, Microsoft, 2001) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

XLang (esempio) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WSFL (F. Leymann, IBM, 2001) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WSCL (HP, 2002) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WSCL (struttura della specifica) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ebXML (OASIS) ,[object Object],[object Object],[object Object]

BTP (OASIS, 2002) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WSCI (Sun, SAP, BEA, Intalio, 2002) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Documenti WSCI ,[object Object],[object Object],[object Object],[object Object],WS1 WS3 WS2 WSCI3 WSCI2 WSCI1

WSCI – visione d’insieme (1) ,[object Object],[object Object]

WSCI – visione d’insieme (2) ,[object Object],[object Object],[object Object],[object Object]

WSCI e WSDL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Elementi WSCI – attività base ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],<action name = "ReceiveConfirmation“ role = "TravelAgent“ operation = "TAtoTraveler/bookTickets"> <correlate correlation="tns:bookingCorr"/> <call process = "tns:BookSeats" /> </action>

Elementi WSCI – attività strutturate ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Elementi WSCI – processo ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WSCI – altri elementi ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WSCI – struttura di documento ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Dichiarazione dei correlatori, usati poi all’interno delle action Specifica WSDL del WS “ Coreografia” per il gruppo di action/activity

WSCI – Context ,[object Object],[object Object]

WSCI – Exception ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WSCI – altri elementi ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WSCI – Global Model ,[object Object],[object Object],[object Object],[object Object],<model name = "AirlineTicketing"> <interface ref = "air:Airline" /> <interface ref = "tra:Traveler" /> <interface ref = "ta:TravelAgent" /> <connect operations = "TravelerToTA/PlaceItinerary TAtoTraveler/ReceiveTrip" />  </model>

BPEL4WS (IBM, Microsoft, BEA, 2002) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPEL4WS : orchestrazione e coreografia ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPEL – Struttura di documento ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPEL – Basic Activities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPEL – Structured Activity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPEL- Partner: PartnerLinkType ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPEL – Partner: Link ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPEL - Partner ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPEL – Endpoint reference ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPEL - Variabili ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPEL - Correlation ,[object Object],[object Object],< correlationSets > <correlationSet name="OrderID" properties="cor:customerID cor:orderNumber"/> </correlationSets> < receive partnerLink="Buyer" operation="AsyncPurchase” ...> <correlations> < correlation set="OrderID" initiate="yes"/> </correlations> </receive> < invoke partnerLink="Buyer" operation="AsyncPurchaseResp” ...> <correlations> < correlation set="OrderID" initiate="no" pattern="out"> </correlations> </invoke>

BPEL – Fault handler ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPEL – Event handler ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPML+BPMN+BPQL (BPMI, 2004) ,[object Object],[object Object],[object Object],[object Object],[object Object]

BPML (BPMI, 2002) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPMN (BPMI, 2004) ,[object Object],[object Object],[object Object]

BPMN – tipi di processo ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPMN – esempi di tipi di processo ,[object Object],[object Object]

BPMN – esempi di tipi di processo ,[object Object]

Simboli BPMN – Activity, Subprocess, Pool e Lane

Simboli BPMN - Eventi ,[object Object],FLOW DIMENSION: TYPE DIMENSION:

Simboli BPMN - Flussi ,[object Object]

Simboli BPMN - Gateway ,[object Object]

Simboli BPMN - Looping ,[object Object]

BPMN – Esempi di composizione ,[object Object]

BPMN - Esempio: richiesta di prestito

Confronto del potere espressivo ,[object Object],[object Object],[object Object],[object Object],[object Object],? Come confrontare il potere espressivo?

Categorizzazione patterns ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tabella di confronto tra standard pattern standard XPDL UML BPEL XLANG WSFL BPML WSCI Sequence + + + + + + + Parallel Split + + + + + + + Synchronization + + + + + + + Exclusive Choice + + + + + + + Simple Merge + + + + + + + Multi Choice + - + - + - - Synchronizing Merge + - + - + - - Multi Merge - - - - - +/- +/- Discriminator - - - - - - - Arbitrary Cycles + - - - - - - Implicit Termination + - + - + + + MI without Synchronization + - + + + + + MI with a Priori Design Time Knowledge + + + + + + + MI with a Priori Runtime Knowledge - + - - - - - MI without a Priori Runtime Knowledge - - - - - - - Deferred Choice - + + + - + + Interleaved Parallel Routing - - +/- - - - - Milestone - - - - - - - Cancel Activity - + + + + + + Cancel Case - + + + + + +

Tools ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Collaxa BPEL designer & server ,[object Object],[object Object],[object Object],[object Object]

SunONE WSCI editor ,[object Object],[object Object],[object Object]

Popkin System Architect ,[object Object],[object Object],[object Object],[object Object],[object Object]

IBM BPWS4J (ver. 2.1, Apr. 2004) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Intalio N3 ,[object Object],[object Object],[object Object],[object Object]

Intalio N 3 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Bea WebLogic Workshop ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Fonti ,[object Object],[object Object]

[object Object],[object Object],http://home.dei.polimi.it/mbrambil http://twitter.com/MarcoBrambi http://www.slideshare.net/mbrambil

[ITA] Linguaggi di orchestrazione e coreografia

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