M&M FDT 1.2.1 Online Specification
 IDtmOnlineDiagnosis::Compare() method information


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4.3.11.1 IDtmOnlineDiagnosis::Compare()


This method can be called in the states:        

HRESULT Compare (
[out, retval] FdtXmlDocument* result
);


Description:
Returns an XML document containing the result of the compare.

Parameters:


Return Value:
resultXML document containing the result of the compare specified by the DTMOnlineCompareSchema


Behavior:
Compares its data set received from the database with the parameter uploaded from the according device. If the data stored in database and the data uploaded from the device could be compared the result shows whether the data are equal or not. Otherwise the document contains the communication error. This method is used for batch processing and works without user interface. If the DTM has no comparable online data, it must return ‘noComparableData’ as value of the attribute ‘statusFlag’.

Comments:
Comparson should only include data significant for the configuration, parameterization and identification of the device. Data related to runtime (e.g. operation hours) should not be included.




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