Web Service Composition mit WS-BPEL und dem Open-Source-Orchester

Web Service Composition mit WS-BPEL und dem Open-Source-Orchester Tammo van Lessen Daniel Lübke Simon Moser

About us ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Talk Today ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Base: Service Platform Messaging Quality of Service Transport Description Transports Interface + Bindings Composite XML Non-XML Security Policy Discovery, Negotiation, Agreement Atomic Orchestration Protocols State Components Reliable Messaging Transactions

The Base: Web Services Messaging Quality of Service Transport Description HTTP, SMTP, XMPP, TCP/IP, FTP, Tuple Spaces,… WSDL Composite SOAP, WS-A JMS, RMI/IIOP WS-Security* WS-Policy* UDDI, WS-A, WS-MEX, WSIL Atomic BPEL WS-C, WS-CDL, BPEL4Chor WSRF Components WSRM WS-AT, WS-BA,…

Why Orchestration? ??? To achieve a business goal, you often need more than one service… Which to use, in which order, how to use them?

Web Service Orchestration BPEL!

What is BPEL? ,[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]

What is BPEL not? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPEL’s Foundation ,[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 2.0 Activities compensateScope compensate Basic Activities Structured Activities receive reply invoke assign validate throw rethrow exit wait empty extensionActivity forEach sequence 2. N. 1. … flow B C A while c repeatUntil c if-elseif-else c1 c2 … 2. N. 1. … pick … A M2 M1 scope

Partner Links / Partner Link Types process partner link partner link type Peer-to-peer conversational partner relationship “ I expect from my partner an implementation of this!” ,[object Object],WSDL port type myRole Provided port type WSDL port type partnerRole Required port type receive Inbound request – service provided by the process invoke Outbound request – service required by the process

Properties and Correlation Sets ,[object Object],[object Object],[object Object],[object Object],[object Object],Process 4 (0123,15) Process 3 (0815,42) Process 2 (4711,37) Process 1 (0815,12) 0815 42 Message 2 customerID orderNumber 4711 37 Message 1

Fault Handling & Compensation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Fault and Compensation Handling

Modelling Styles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],t 1 t 2 j

[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 Extensions

Eclipse BPEL Designer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BPELUnit ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Testing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Test Structure BPEL BPELUnit Real Services deploy <soap> <soap> <soap> <soap> Client Mock A Mock B <soap> undeploy Eclipse Ant Command Line Deployer (optional)

BPEL Execution: Apache ODE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM) Demo

Demo schedule ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Is BPEL dead? ,[object Object],[object Object],[object Object],[object Object]

Q&A Thank you for your attention!

Web Service Composition mit WS-BPEL und dem Open-Source-Orchester

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