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Simplifying Autonomic Enterprise Java Bean Applications
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terprise Java Beans (EJBs). First, . nomic features, such as such as Enterprise Java Bean . [3] V. Matena, M. Hapner, "Enterprise Java Beans Specifica .
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Content Summary :
Autonomic computer systems aim to reduce the configu-ration, operational, and maintenance costs of distributed applications by enabling them to self-manage, self-heal, self-optimize, self-configure, and self-protect. This paper provides two contributions to the model-driven develop-ment (MDD) of autonomic computing systems using En-terprise Java Beans (EJBs). First, we describe the struc- ture and functionality of an MDD tool that formally cap-tures the design of EJB applications, their quality of service (QoS) requirements, and the autonomic proper-ties applied to the EJBs to support the rapid develop- ment of autonomic EJB applications via code genera-tion, automatic checking of model correctness, and visu-alization of complex QoS and autonomic properties. Second, the paper describes how MDD tools can gener-ate code to plug EJBs into a Java component framework that provides an autonomic structure to monitor, config-ure, and execute EJBs and their adaptation strategies at run-time. We present a case study that evaluates how these tools and frameworks work to reduce the complex-ity of developing autonomic applications.
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