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From experience, putting all the data in one document works well, though I haven't tried any other approach. I don't think you can always draw a clear line between "workflow management data" and "content data". Your two examples of workflow management data I would have classified as content data. Michael Kay Saxonica > -----Original Message----- > From: Costello, Roger L. [mailto:costello@m...] > Sent: 11 April 2009 22:07 > To: 'xml-dev@l...' > Subject: XML design for workflow management? > > > Hi Folks, > > Consider an insurance claim for an auto accident. It contains > information about a claim, including: > > - date of the accident > - damage to the car > - police report > > The claim is routed - as defined by some workflow process - > to appropriate people and applications for processing. Which > people and applications receive the claim depend on certain > values of the claim. > > For example, if the estimated amount to be paid on the claim > is less than a certain amount, a settlement offer is made to > the client. If the estimated amount is greater, then an > assessor is assigned to investigate the claim, and which > office is assigned depends on the location of the client. > Thus, these are two of the values used to manage the claim: > > - "estimated claim value" is used to determine > whether the claim should be routed to the "offer > settlement" task or the "send assessor" task > > - "client location" is used to determine what > resources (i.e. which field office) should be > used by the "send assessor" task > > "estimated claim value" and "client location" are values used > for workflow management. A workflow management system can use > these values to route the claim and assign resources to tasks. > > How do you deal with workflow management data vice content > data? More generally, how do you design XML documents that > enable workflow management? > > I can think of two approaches: > > 1. Header/Payload Approach (i.e. the SOAP approach) > > Store the workflow management values in a header section and > the content in the body section. This approach requires the > workflow management system to have the smarts to fetch the > workflow data from the header section. The tasks must have > the smarts to fetch the contents from the body section. For example: > > <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"> > <soap:Header> > <workflow-data xmlns="http://www.auto-insurance.com"> > <estimated-claim-value>$200</estimated-claim-value> > <client-location>Denver, Colorado</client-location> > </workflow-data> > </soap:Header> > <soap:Body> > <claim xmlns="http://www.auto-insurance.com"> > <ID>49303203-AAD</ID> > <type>auto</type> > <date-of-accident>April 9, 2009</date-of-accident> > <date-of-filing>April 11, 2009</date-of-filing> > <description> > Car failed to stop at stop sign and broadsided > the car. > </description> > ... > </claim> > </soap:Body> > </soap:Envelope> > > 2. Separate Workflow and Content Documents > > The workflow data is placed in one document and the content > data is placed in a separate document. The two documents are > connected via links. The workflow management system deals > just with the workflow document. The tasks deal just with the > content document. For example: > > ----------------------------------------------- > Workflow Document (workflow-49303203-AAD.xml) > ----------------------------------------------- > > <Workflow-Data href="claim-49303203-AAD.xml"> > <estimated-claim-value>$200</estimated-claim-value> > <client-location>Denver, CO</client-location> > </Workflow-Data> > > ----------------------------------------------- > Claim Document (claim-49303203-AAD.xml) > ----------------------------------------------- > > <claim xmlns="http://www.auto-insurance.com" > href="workflow-49303203-AAD.xml"> > <ID>49303203-AAD</ID> > <type>auto</type> > <date-of-accident>April 9, 2009</date-of-accident> > <date-of-filing>April 11, 2009</date-of-filing> > <description> > Car failed to stop at stop sign and broadsided > the car. > </description> > ... > </claim> > > > QUESTIONS > > 1. Are there other approaches than the two listed above? > > 2. What approach do you recommend? > > /Roger > > > > > > ______________________________________________________________ > _________ > > XML-DEV is a publicly archived, unmoderated list hosted by > OASIS to support XML implementation and development. To > minimize spam in the archives, you must subscribe before posting. > > [Un]Subscribe/change address: http://www.oasis-open.org/mlmanage/ > Or unsubscribe: xml-dev-unsubscribe@l... > subscribe: xml-dev-subscribe@l... List archive: > http://lists.xml.org/archives/xml-dev/ > List Guidelines: http://www.oasis-open.org/maillists/guidelines.php >
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