NDLI: Dynamic Service Update Based on OSGi

Content Provider	IEEE Xplore Digital Library
Author	Junqing Chen Linpeng Huang
Copyright Year	2009
Abstract	In the OSGi framework, the service updating is achieved by updating the cooperating bundles. However, the way of service updating requires a temporary shutdown of bundles and can not implement the transfer of service’s states. Thus it is not really dynamic service update. In this paper, we present two techniques to solve the problem of dynamically updating service in OSGi. One technique is replacing the service through interacting with other service with the same name. The other technique is based on the combination of runtime source compilation, class reloading and the proxy design pattern. The technique only needs modification of source code and little manual changes. Finally, we also prove the dynamic service updating is type-safe if preserving the service dependency relationships after updates.
Starting Page	493
Ending Page	497
File Size	497822
Page Count	5
File Format	PDF
ISBN	9780769535708
DOI	10.1109/WCSE.2009.122
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Java Costs OSGi Service oriented architecture Manuals Type safety Application software Dynamic service update Computer science Runtime Web services Proxy design pattern Finishing Software engineering
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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