Avoiding if else statements and switch statements












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Consider I have a cron expression as "* * */2 * " I have to extract the recurrence on days ,hours and minutes if it is not "" . I have the below function which works as well.



public void CronDivision(string cron)
{
string days, value;
string cronDiv = cron.split(' ');
if(cronDiv[2] != "*")
{
days = "Days"
value = cronDiv[2].split('/')[1];
}
else if(cron[1] != "*)
{
//Similar logic
}
else if(cron[0] != "*)
{
//Similar logic
}
else if(cron[3] != "*)
{
//different logic for extracting weeks
}
else if(cron[3] != "*)
{
//different logic for extracting years
}
}


How do I generalize the above function so that I dont want to use if else/switch statements with hardcoded numbers like1,2,3 and so on after the division of cron expression.



Can it be made more readable without the obvious solution of splitting the actual cron expression and extracting it. Basically I need a cleaner approach for this problem without usage of numbers like 1,2,3 etc?









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$endgroup$

















    0












    $begingroup$


    Consider I have a cron expression as "* * */2 * " I have to extract the recurrence on days ,hours and minutes if it is not "" . I have the below function which works as well.



    public void CronDivision(string cron)
    {
    string days, value;
    string cronDiv = cron.split(' ');
    if(cronDiv[2] != "*")
    {
    days = "Days"
    value = cronDiv[2].split('/')[1];
    }
    else if(cron[1] != "*)
    {
    //Similar logic
    }
    else if(cron[0] != "*)
    {
    //Similar logic
    }
    else if(cron[3] != "*)
    {
    //different logic for extracting weeks
    }
    else if(cron[3] != "*)
    {
    //different logic for extracting years
    }
    }


    How do I generalize the above function so that I dont want to use if else/switch statements with hardcoded numbers like1,2,3 and so on after the division of cron expression.



    Can it be made more readable without the obvious solution of splitting the actual cron expression and extracting it. Basically I need a cleaner approach for this problem without usage of numbers like 1,2,3 etc?









    share







    New contributor




    user1907849 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







    $endgroup$















      0












      0








      0





      $begingroup$


      Consider I have a cron expression as "* * */2 * " I have to extract the recurrence on days ,hours and minutes if it is not "" . I have the below function which works as well.



      public void CronDivision(string cron)
      {
      string days, value;
      string cronDiv = cron.split(' ');
      if(cronDiv[2] != "*")
      {
      days = "Days"
      value = cronDiv[2].split('/')[1];
      }
      else if(cron[1] != "*)
      {
      //Similar logic
      }
      else if(cron[0] != "*)
      {
      //Similar logic
      }
      else if(cron[3] != "*)
      {
      //different logic for extracting weeks
      }
      else if(cron[3] != "*)
      {
      //different logic for extracting years
      }
      }


      How do I generalize the above function so that I dont want to use if else/switch statements with hardcoded numbers like1,2,3 and so on after the division of cron expression.



      Can it be made more readable without the obvious solution of splitting the actual cron expression and extracting it. Basically I need a cleaner approach for this problem without usage of numbers like 1,2,3 etc?









      share







      New contributor




      user1907849 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      Consider I have a cron expression as "* * */2 * " I have to extract the recurrence on days ,hours and minutes if it is not "" . I have the below function which works as well.



      public void CronDivision(string cron)
      {
      string days, value;
      string cronDiv = cron.split(' ');
      if(cronDiv[2] != "*")
      {
      days = "Days"
      value = cronDiv[2].split('/')[1];
      }
      else if(cron[1] != "*)
      {
      //Similar logic
      }
      else if(cron[0] != "*)
      {
      //Similar logic
      }
      else if(cron[3] != "*)
      {
      //different logic for extracting weeks
      }
      else if(cron[3] != "*)
      {
      //different logic for extracting years
      }
      }


      How do I generalize the above function so that I dont want to use if else/switch statements with hardcoded numbers like1,2,3 and so on after the division of cron expression.



      Can it be made more readable without the obvious solution of splitting the actual cron expression and extracting it. Basically I need a cleaner approach for this problem without usage of numbers like 1,2,3 etc?







      c# .net asp.net asp.net-mvc





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      user1907849 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share







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      user1907849 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








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