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| − | IdAS is a thin layer over a set of [[Context Provider]]s that it manages
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| − | The IdAS API has two parts:
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| − | # [[IdAS Context Provider Registry]] --this is the API to manage add/remove/configure [[Context Provider]]s. It also allows [[ContextRef|ContextRefs]] to be registered. Registered contexts are in some sense pre-configured by one or more Context Factories, so that a user can query its metadata (including schema and policy) without creating an IContext instance.
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| − | # A set of interfaces that are implemented by each [[Context Provider]] (see Context Provider Interface below)
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| − | ===Context Provider Interface===
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| − | * See the '''org.eclipse.higgins.idas project''' in the [http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.higgins/plugins/org.eclipse.higgins.idas/?cvsroot=Technology_Project CVS repository] for the full API. The bullets below give a quick overview of the major interfaces and methods. (In cases where they disagree, the CVS repository takes precedence over this page.)
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| − | * ContextFactory
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| − | ** Responsible for the creation of IContext instances that implement a specific type of [[Context]].
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| − | ** Responsible for associating a [[ContextRef]] with the data source (or sources) encapsulated by the designated context.
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| − | * IContext
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| − | ** Implementation of a specific type of [[Context]].
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| − | ** A user must "open" a context, which involves authenticating to the data source, before accessing its data.
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| − | ** Includes methods to search for [[Digital Subject|Digital Subjects]] using context-specific attributes.
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| − | * IDigitalSubject
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| − | ** Implementation of a specific type of [[Digital Subject]].
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