Filters and Loaders

27 October 2009

The pluggable filter/loader sub-system is responsible for extracting entities of interest from the target artifacts and storing them into the Spaces registry persistent store. It also discovers additional artifacts of interest that are logically related to the artifacts provided. The sub-system is designed to handle different artifact types, including network based artifacts and artifacts stored in archives. Finally the system is deigned to be extensible, allowing others to provide filters for extracting entity information from other types of meta-data files. The initial implementation will focus on the XSD and WSDL file types.

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Spaces Data Model

19 October 2009

The Registry implements a simple, yet elegant two layer data model consisting of Entity and Property objects. Each metadata concept is represented in the Registry by an Entity. Each Entity has an ID that is unique in the context of the Registry instance. In addition, each Entity is associated with a Space and has a type and a name. The tuple Space, Type and Name is also unique within the Registry instance.

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