Abstract
We address the problem of composing Web Services in long-running transactional business processes, where compensations must be dealt with appropriately. The framework presented in this paper is a Java API called Java Transactional Web Services (jtws), which provides suitable primitives for wrapping and invoking Web Services as activities in long-running transactions. jtws adheres to a process calculi formalisation of long-running transactions, called saga, which fixes unambiguously the implemented compensation policy. In particular, the primitives provided by jtws are in one-to-one correspondence with the primitives of sagas,and they are abstract enough to hide the complex details of their realization, thus favouring usability. Moreover, jtws orchestrates business processes in a distributed way.
Research supported by the Project FET-GC II Sensoria and by the Project HPRN-CT-2002-00275 SegraVis.
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Bruni, R., Ferrari, G., Melgratti, H., Montanari, U., Strollo, D., Tuosto, E. (2005). From Theory to Practice in Transactional Composition of Web Services. In: Bravetti, M., Kloul, L., Zavattaro, G. (eds) Formal Techniques for Computer Systems and Business Processes. EPEW WS-FM 2005 2005. Lecture Notes in Computer Science, vol 3670. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11549970_20
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DOI: https://doi.org/10.1007/11549970_20
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