List of OCL Methods
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      .minusDays() / .minusMonths() / .minusYears()

      Method reduces as many of days or months or years as the integer in the parameter indicates.

      Description of the method

      Description: .minus{Days|Months|Years}() method reduces as many of days or months or years as the integer in the parameter indicates.
      Available for: ISO Date, ISO Date Time
      Parameters: integer
      Return type: ISO Date, ISO Date Time

       Example

      Context: HeaderType1 
      OCL: self.TimeStamp.minusDays(2) = self.Dt
      Description: The example rule compares the date of <TimeStamp> minus 2 days to the date of <Dt>. If the date of  <TimeStamp> after the reduced days equals the date of <Dt>, true will be returned. This works in the same way with months and years.

       

      The XML snippet below would pass this check.

      <Header>
          <Dt>2018-05-26</Dt>
          <TimeStamp>2018-05-28T12:17:50</TimeStamp>
      </Header>

      The other snippet below however would not pass this check.

      <Header>
          <Dt>2018-05-31</Dt>
          <TimeStamp>2018-05-28T12:17:50</TimeStamp>
      </Header>