|Bibliography||Mietzner, Ralph: Extraction of WS-Business Activity from BPEL 1.1. |
University of Stuttgart, Faculty of Computer Science, Electrical Engineering, and Information Technology, Diploma Thesis No. 2444 (2006).
138 pages, english.
|CR-Schema||C.2.4 (Distributed Systems)|
H.2.4 (Database Management Systems)
H.3.5 (Online Information Services)
H.4.1 (Office Automation)
|Keywords||BPEL, Web Services, Transaktionen, Business Activity|
The business process execution language (BPEL) is the de-facto standard for modelling business processes using the web-service stack. In order to enable transaction processing in typically long running business processes, BPEL uses a transaction model based on compensation. This transaction model can be described using WS Business Activity.
This diploma thesis describes how transactions in BPEL processes can be extracted from a BPEL engine and can be coordinated externally using an external coordinator based on WS-Coordination and WS-Business Activity. Therefore it is shown how WS-Business Activity is not enough to describe the relations between BPEL scopes that represent the transaction relevant elements inside BPEL. Additionally the mapping from BPEL scope hierarchies to WS-Coordination hierarchies is shown.
A prototype, based on the open source ActiveBPEL engine has been built and is described in detail.
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|Copyright||Ralph Mietzner |
|Department(s)||University of Stuttgart, Institute of Architecture of Application Systems|
|Entry date||October 13, 2006|