Symphony: a Java-based composition and manipulation framework for distributed legacy resources

Symphony is an open and extensible Java-based framework for composition and manipulation of distributed legacy resources. Symphony allows users to compose visually a collection of programs and data by specifying dataflow relationships among them and provides a client/server framework for transparently executing the composed application. Additionally, the framework is Web-aware and helps integrate Web-based resources with legacy resources. Symphony uses Sun Microsystems' JavaBeans component architecture for providing components that represent legacy resources. These components can be customized and composed in any standard JavaBeans builder tool. Executable components communicate with a server implemented using Java Remote Method Invocation mechanism, for executing remote legacy applications. Symphony enables extensibility by providing abstract components which can be extended by implementing simple interfaces. Beans implemented from the abstract beans can act as data producers, consumers or filters.

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