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Difference between revisions of "IdAS 1.1 Package"

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{{#eclipseproject:technology.higgins|eclipse_custom_style.css}} [[Image:Higgins logo 76Wx100H.jpg|right]] The [[Identity Attribute Service 1.1]] (IdAS) is a package of components that provides a virtualized, unified view and a common means of access to identity information from multiple heterogeneous data sources. IdAS is an extensible framework that implements the [[Context Data Model 1.1]] (CDM). CDM represents objects (called [[Entity|Entities]]) and their [[Attribute]]s. Existing external data sources (e.g. databases, directories, etc.) are adapted to (mapped to and from) the IdAS via plug-ins called [[Context Providers]].  
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{{#eclipseproject:technology.higgins|eclipse_custom_style.css}} [[Image:Higgins logo 76Wx100H.jpg|right]] The [[IdAS 1.1 Package]] (IdAS) is a package of components that provides a virtualized, unified view and a common means of access to identity information from multiple heterogeneous data sources. IdAS is an extensible framework that implements the [[Context Data Model 1.1]] (CDM). CDM represents objects (called [[Entity|Entities]]) and their [[Attribute]]s. Existing external data sources (e.g. databases, directories, etc.) are adapted to (mapped to and from) the IdAS via plug-ins called [[Context Providers]].  
  
 
=== Architecture  ===
 
=== Architecture  ===

Revision as of 16:16, 26 August 2009

{{#eclipseproject:technology.higgins|eclipse_custom_style.css}}
Higgins logo 76Wx100H.jpg
The IdAS 1.1 Package (IdAS) is a package of components that provides a virtualized, unified view and a common means of access to identity information from multiple heterogeneous data sources. IdAS is an extensible framework that implements the Context Data Model 1.1 (CDM). CDM represents objects (called Entities) and their Attributes. Existing external data sources (e.g. databases, directories, etc.) are adapted to (mapped to and from) the IdAS via plug-ins called Context Providers.

Architecture

Idas-1.1-package-1.1.101.png

(Diagram Key)

Errata: the above diagram only shows some of the components listed below. It needs to be updated.

Components

The IdAS framework is comprised of these constituent projects (see this section) of the Components page for more details):

Components 1.X#IdAS / Org.eclipse.higgins.idas.api
Allows a consumer to perform access and update operations (as allowed) on elements of the Context Data Model. Specifically, the consumer can obtain an object which represents a Context, can read and change objects within that Context, and can read and change attributes on those subjects.
Components 1.X#IdAS / Org.eclipse.higgins.idas.spi
Is used by parties who wish to write Context Providers for IdAS. The IdAS API is only a set of interfaces which must be implemented by Context Providers. A Context Provider consists of the implementations of IdAS SPI interfaces which allow a consumer to access some specific type of identity store. One good way to see what is involved in building an IdAS Context Provider is to look at some of the existing Context Provider projects. It's suggested that the Org.eclipse.higgins.idas.cp.inmem project would be a good jumping-in point, as it tends to be fairly simple.
Components 1.X#IdAS / Org.eclipse.higgins.idas.registry
Is responsible for resolving an object identifier to all the information needed to obtain a suitable Context Provider, and to further instantiate the Context identified by the ContextId. IdAS Registry can keep an internal list of Context Providers and ContextIds, or it can use external mechanisms such as XRI Resolution.
Components 1.X#IdAS / Org.eclipse.higgins.idas.common
A set of common, useful utility methods and Authentication Materials classes.
Components 1.X#IdAS / Org.eclipse.higgins.idas.udi
Code for supporting the resolution of Context-, Entity- and Attribute UDIs.

Data Models

As mentioned above, the IdAS_1.1_Package implements the general purpose Context Data Model 1.1 that can be used for many different applications. You can think of the Higgins I-Card Service and CardSync Service as "applications" built on the common RPPS Package. This RPPS package implements a narrower data model that is an "application" of CDM 1.1. We call this the Persona Data Model 1.1:

Data-models-1.1.101.png

(Diagram Key)

Use cases


See Also

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