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Difference between revisions of "COSMOS Design 220949"
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== Programming model == | == Programming model == | ||
Revision as of 08:54, 26 March 2008
Contents
Change History
| Name: | Date: | Revised Sections: |
|---|---|---|
| Hubert Leung | 03/04/2008 |
|
Workload Estimation
| Process | Sizing | Names of people doing the work |
|---|---|---|
| Design | 0.4 | Hubert Leung |
| Code | 1.4 | Hubert Leung |
| Test | 0.6 | Hubert Leung |
| Documentation | 0.2 | Hubert Leung |
| Build and infrastructure | 0.4 | Saurabh Dravid |
| Code review, etc.* | ||
| TOTAL | 3 |
'* - includes other committer work (e.g. check-in, contribution tracking)
Purpose
The current implementation of the data manager framework makes use of the COSMOS annotations and MUSE. The SOAP message does not follow the document/literal style because there are wrapping elements around the message payload. We are also using WS-Addressing in the message header. In order to ensure interoperability of the MDRs with non-COSMOS MDRs and to comply with the CMDBf standard more strictly, we want to support stateless web services in COSMOS. SOAP messages will not require WS-Addressing and use document/literal payload style.
Design
Technology Stack
- Java 5
- Axis2 without JAX-WS
- data binding: use existing binding in org.eclipse.cosmos.dc.cmdbf.services
Programming model
Web service and client code can be generated from WSDL files provided by the CMDBf standard. Port type is mapped to a Java interface, and operations are mapped to Java methods.
The class hierachy of the current programming model should remain the same.
Impacts
- Since the SOAP message payload format will change, UI will need to adapt to the change when parsing SOAP body for data.
- Affects the way broker and management domain store addresses and properties of data managers.
Open Issues/Questions
All reviewer feedback should go in the Talk page for 220949.