SOA-based Business Integration with Eclipse BPEL and Apache ODE
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Talk at JAX 09 about WS-BPEL, Apache ODE and Eclipse BPEL
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SOA-based Business Integration with Eclipse BPEL and Apache ODE
- 1. SOA-basierte Business Integration mit Eclipse BPEL und Apache ODE Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM)
- 4. Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM) BPEL Background & Motivation
- 5. The Basis: Service Platform Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM) 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
- 6. The Basis: Web Service Platform Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM) 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,…
- 7. Why Orchestration? Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM) ??? To achieve a business goal, you often need more than one service… Which to use, in which order, how to use them?
- 8. Web Service Orchestration Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM) BPEL!
- 9. The Notion of Orchestration: Deja Vu Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM) Workflow Business Functions
- 10. The Notion of Orchestration: Deja Vu Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM) Orchestration Web Services
- 16. Partner Links Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM) process partner link partner link type Peer-to-peer conversational partner relationship 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 “ I expect from my partner an implementation of this!”
- 18. Properties and Correlation Sets Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM) process How to identify stateful instances via stateless Web service interfaces? initiate process instance 3 correlation set customerId orderNumber process instance 1 process instance 2 process instance 4 receive Submit purchase order Messages in long-running conversations are correlated to the correct process instance locate purchaseOrder cId = 0815 orderNo = 42 receive Query order status queryOrderStatus custId = 0815 oNo = 42 customerId orderNumber 4 (0815, 49) 3 (0815, 42) 2 (0707, 11) 1 (0311, 33) process instance 3
- 20. Fault and Compensation Handling Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM)
- 22. Modelling Styles: Example Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM)
- 23. BPEL 2.0 Activities Basic Activities Structured Activities receive reply invoke assign validate throw rethrow exit compensateScope compensate 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
- 25. Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM) Open Source BPEL Software
- 29. Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM) Demo
- 30. Tammo van Lessen (IAAS, Uni Stuttgart) & Simon Moser (IBM) Q&A Thank you for your attention!