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Service Data Objects

From Wikipedia, the free encyclopedia

Not to be confused with the CANopen protocol of the same name.

Service Data Objects is a technology that allows heterogeneous data to be accessed in a uniform way. The SDO specification was originally developed in 2004 as a joint collaboration between Oracle (BEA) and IBM and approved by the Java Community Process in JSR 235. Version 2.0 of the specification was introduced in November 2005 as a key part of the  Service Component Architecture.

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Transcription

Relation to other technologies

Originally, the technology was known as Web Data Objects, or WDO, and was shipped in IBM WebSphere Application Server 5.1 and IBM WebSphere Studio Application Developer 5.1.2.[1] Other similar technologies are JDO, EMF, JAXB and ADO.NET.

Design

Service Data Objects denote the use of language-agnostic data structures that facilitate communication between structural tiers and various service-providing entities. They require the use of a tree structure with a root node and provide traversal mechanisms (breadth/depth-first) that allow client programs to navigate the elements. Objects can be static (fixed number of fields) or dynamic with a map-like structure allowing for unlimited fields. The specification defines meta-data for all fields and each object graph can also be provided with change summaries that can allow receiving programs to act more efficiently on them.

Developers

The specification is now being developed by IBM, Rogue Wave, Oracle, SAP, Siebel, Sybase, Xcalia, Software AG within the OASIS Member Section Open CSA[2] since April 2007. Collaborative work and materials remain on the collaboration platform of Open SOA,[3] an informal group of actors of the industry.

Implementations

The following SDO products are available:

There are open source implementations of SDO from:

References

  1. ^ "Introduction to Service Data Objects". IBM. Archived from the original on 6 March 2021.
  2. ^ Activities and announcements | OASIS Open CSA
  3. ^ Home – Open SOA Collaboration
  4. ^ | Oracle Data Service Integrator

External links

Specification versions and history can be found on

This page was last edited on 30 November 2023, at 12:47
Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.
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