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<nowiki><<</nowiki> [[APIQuickStartGuide|Back to Quick Start Guide]]
 
'''Synthesis Data Warehouse (SDW) Tutorial'''
*VBA
*[[APISDWTutorialVBNET|VB.NET]]
</div>
 
This VBA tutorial will demonstrate one approach to read data from an Excel file and extract it for the SDW. Note that this tutorial is for demonstration purposes only; it does not include any exception handling and its performance may be slow. To successfully complete this tutorial, please use the [[APISDWTutorial|sample Excel data]] that was provided for this tutorial.
 
 
 
 
 
== Transfer Data from an Excel File to the SDW ==
 
1. We'll begin with the <code>RawDataSet</code> class, which represents an SDW data collection. We'll then use the <code>ExtractedType</code> property to specify that the data collection for use with Weibull++.
 
Using the [[APISDWTutorial|Excel file]] you've created for this tutorial, create a new module and start with the following code to create an SDW data collection.
 
'''VBA'''
{{APIComment|'Declare a new instance of the RawDataSet class.}}
  {{APIPrefix|Dim}} DataCollection {{APIPrefix|As New}} RawDataSet
{{APIComment|'Name the data collection "New Data Collection," and then specify that}}
{{APIComment|'it is for use with Weibull++.}}
  DataCollection.ExtractedName = {{APIString|"New Data Collection"}}
  DataCollection.ExtractedType = RawDataSetType_Weibull
 
2. Next, we'll use the <code>RawData</code> class to represent a single row of data, and then use the <code>AddDataRow</code> method to add the row to the data collection.
 
The following code demonstrates one way to extract a row of data from the Excel sheet. For <code>i = 2</code>, the code creates a new <code>RawData</code> object, and then sets its properties by using the values from row #2 of the Excel file. After the code finishes reading the row of data, it adds the object to the data collection. When the code reaches <code>Next i</code>, it increases <code>i</code> with 1 and jumps back to the <code>For</code> statement, which adds another new <code>RawData</code> object, sets its properties with the data from row #3 of the Excel sheet, and adds the row to the data collection. The loop continues until <code>i</code> reaches the specified number of rows (MaxRow). 
 
'''VBA'''
{{APIComment|'Declare a new instance of the RawData class.}}
  {{APIPrefix|Dim}} Row {{APIPrefix|As New}} RawData
{{APIComment|'Read each row of data from the Excel sheet.}}
  {{APIPrefix|Dim}} i {{APIPrefix|As}} Integer, MaxRow {{APIPrefix|As}} Integer
  MaxRow = 20
  {{APIPrefix|For}} i = 2 {{APIPrefix|to}} MaxRow
      {{APIPrefix|Set}} Row = {{APIPrefix|New}} RawData
    {{APIComment|'Set the desired properties for the current row of data.}}
      Row.StateFS = Sheet1.Cells(i, 1)
      Row.StateTime = Sheet1.Cells(i,2)
      Row.FailureMode = Sheet1.Cells(i,3)
    {{APIComment|'Add the current row to the data collection.}}
      {{APIPrefix|Call}} DataCollection.AddDataRow(Row)
  {{APIPrefix|Next}} i
 
3. Now that the data from the Excel sheet have been copied to the data collection, the next step is to save the data collection to the Synthesis repository.
 
First, connect to the Synthesis repository and then use the <code>SaveRawDataSet</code> method to save the data collection to the repository.
 
'''VBA'''
{{APIComment|'Connect to the Synthesis repository. The following code assumes that}}
{{APIComment|'a standard repository called "RSRepository1.rsr10" exists in the C: drive.}} 
  {{APIPrefix|Dim}} MyRepository {{APIPrefix|As New}} Repository 
  MyRepository.ConnectToRepository ({{APIString|"C:\RSRepository1.rsr10"}})
{{APIComment|'Save the extracted data collection to the repository.}}
  {{APIPrefix|Call}} MyRepository.SaveRawDataSet(DataCollection)
 
=== Test the Code ===
Let's verify whether the code can import the data successfully into the SDW.
 
Below is the complete code list for this example. On the Debug menu, click '''Start''' to run the application. Then verify that the data were imported by launching Weibull++, opening the SDW ('''Home > Synthesis > Synthesis Data Warehouse''') and then selecting the new data collection. (You may need to display the StateTime, StateFS and FailureMode columns by right-clicking a column header and choosing '''Select Columns'''.)  
 
'''VBA'''
 
Sub Main()
{{APIComment|'Declare a new instance of the RawDataSet class.}}
  {{APIPrefix|Dim}} DataCollection {{APIPrefix|As New}} RawDataSet
{{APIComment|'Name the data collection "New Data Collection," and then specify that}}
{{APIComment|'it is for use with Weibull++.}}
  DataCollection.ExtractedName = {{APIString|"New Data Collection"}}
  DataCollection.ExtractedType = RawDataSetType_Weibull
{{APIComment|'Declare a new instance of the RawData class.}}
  {{APIPrefix|Dim}} Row {{APIPrefix|As New}} RawData
{{APIComment|'Read each row of data from the Excel sheet.}}
  {{APIPrefix|Dim}} i {{APIPrefix|As}} Integer, MaxRow {{APIPrefix|As}} Integer
  MaxRow = 20
  {{APIPrefix|For}} i = 2 {{APIPrefix|to}} MaxRow
      {{APIPrefix|Set}} Row = {{APIPrefix|New}} RawData
    {{APIComment|'Set the desired properties for the current row of data.}}
      Row.StateFS = Sheet1.Cells(i, 1)
      Row.StateTime = Sheet1.Cells(i,2)
      Row.FailureMode = Sheet1.Cells(i,3)
    {{APIComment|'Add the current row to the data collection.}}
      {{APIPrefix|Call}} DataCollection.AddDataRow(Row)
  {{APIPrefix|Next}} i
{{APIComment|'Connect to the Synthesis repository. The following code assumes that}}
{{APIComment|'a standard repository called "RSRepository1.rsr10" exists in the C: drive.}}
  {{APIPrefix|Dim}} MyRepository {{APIPrefix|As New}} Repository
  MyRepository.ConnectToRepository ({{APIString|"C:\RSRepository1.rsr10"}})
{{APIComment|'Save the extracted data collection to the repository.}}
  {{APIPrefix|Call}} MyRepository.SaveRawDataSet(DataCollection)
End Sub
 
===References===
To learn more, see the reference documentation for the classes and methods discussed in this section:
*[[RawDataSet Class]]
*[[RawData Class]]
*[[AddDataRow Method|RawDataSet.AddDataRow Method]]
*[[Repository.DataWarehouse.SaveRawDataSet|Repository.DataWarehouse.SaveRawDataSet Method]]

Latest revision as of 18:10, 10 February 2016

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