Tuesday, April 10, 2007

Article : What is SDO - Part I and II

Kelvin and Geoff, members of Apache Tuscany, are doing a great job on evangelizing Service Data Object. Below you can find two good articles on SDO.

What Is SDO? - Part One: The value of many of the facets of SDO

Service Data Objects (SDOs) simplify and unify Service Oriented Architecture (SOA) data access and code. SDO complements the strength that SCA (Service Component Architecture) offers for simplifying development of SOA-based solutions. SCA handles the composition of service networks and SDO focuses on simplifying data handling.


What Is SDO? - Part 2 - A standardized approach to data programming particularly well suited to SOA

In Part 1 of this article we introduced SDO, looking at its origins and then reviewing some of its features through a scenario based on medical investigations. In Part 2 we'll go on to examine further features of SDO in such a way as to add property values to a data object beyond those explicitly defined by its type, the ability to record changes made to the data graph, a more elegant way to create types programmatically, and the ability to extend datatypes at runtime.

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