Enhancing Middleware Functionality by Virtualizing Adapters

Adapters integrate remote systems into middleware systems and provide uniform access to them. Different middleware platforms use different adapter technologies, e.g. the J2EE platform uses J2EE connectors and federated database systems based on the SQL standard use SQL wrappers. However, a middleware platform cannot use adapters of a different middleware platform, e.g. a J2EE application server cannot use an SQL wrapper. Even if an SQL wrapper exists for a remote system that is to be integrated by a J2EE application server, a separate J2EE connector for that remote system has to be written.

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