NPSH Calculator tool FILE BASED result storage

Question

Hi All, 
 The WaterObjects.NET SDK samples has a tool NPSH Calculator which calculates the in-memory results. How can the tool be modified to incorporate FILE BASED storage, so that the results are available across session? 
 Thanks, 
 Aparna

Wayne Hartell · Answer

Did you start your plug-in engine implementation using the WaterObjects.NET.NPSHCalculator example as a starting point? If so, you would have implemented a ResultDataConnection class. You will see there are some methods there for managing results. 
 Deactivate 
 HasResults 
 IsActive 
 Open 
 TimeStepsInSeconds 
 ResultPathAndFileNamesFor 
 To implement permanent (file based) results, you have to provide an implementation for all of these methods. That is, one that differs from the in-memory sample implementation. 
 The methods need to do the following. 
 Deactivate - For the specified scenario, close the result file and delete it. 
 HasResults - For the specified scenario, answer whether results exist (will need to check that a valid results file exists for that scenario). 
 IsActive - For the specified scenario, answers whether the results file is open (e.g., a results reader has the result file open). 
 Open - For the specified scenario, open the results file so that results are available. 
 TimeStepsInSeconds - For the specified scenario, answer the time steps that the result set supports. 
 ResultPathAndFileNamesFor - Answer all the possible results file names for the open model. That is, each and every possible results file managed by your result data connection. This allows the main application to migrate files during file save / open operations etc. 
 Hope this helps. 
 EDIT: Changed "field" to "file" in the last item.

NPSH Calculator tool FILE BASED result storage

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