Switch: Enum value used in 'when expression' should be unqualified

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Background



I am getting this error message three times:




Enum value used in 'when expression' should be unqualified




In relation to this code:



Schema.DisplayType fieldType = getType(fieldName);

switch on fieldType 
 when Schema.DisplayType.STRING // this line errors
 // do stuff
 
 when Schema.DisplayType.CURRENCY // this line errors
 // do stuff
 
 when Schema.DisplayType.DOUBLE // this line errors
 // do stuff
 
 when else 
 throw new CustomException('Unknown field type: ' + fieldType);


Questions



  1. Why am I getting the error?

  2. How do I fix it?





apex enum switch-case







share|improve this question



























    up vote
    1
    down vote

    favorite












    Background



    I am getting this error message three times:




    Enum value used in 'when expression' should be unqualified




    In relation to this code:



    Schema.DisplayType fieldType = getType(fieldName);

    switch on fieldType 
     when Schema.DisplayType.STRING // this line errors
     // do stuff
     
     when Schema.DisplayType.CURRENCY // this line errors
     // do stuff
     
     when Schema.DisplayType.DOUBLE // this line errors
     // do stuff
     
     when else 
     throw new CustomException('Unknown field type: ' + fieldType);


    Questions



    1. Why am I getting the error?

    2. How do I fix it?





    apex enum switch-case







    share|improve this question























      up vote
      1
      down vote

      favorite









      up vote
      1
      down vote

      favorite











      Background



      I am getting this error message three times:




      Enum value used in 'when expression' should be unqualified




      In relation to this code:



      Schema.DisplayType fieldType = getType(fieldName);

      switch on fieldType 
       when Schema.DisplayType.STRING // this line errors
       // do stuff
       
       when Schema.DisplayType.CURRENCY // this line errors
       // do stuff
       
       when Schema.DisplayType.DOUBLE // this line errors
       // do stuff
       
       when else 
       throw new CustomException('Unknown field type: ' + fieldType);


      Questions



      1. Why am I getting the error?

      2. How do I fix it?





      apex enum switch-case







      share|improve this question













      Background



      I am getting this error message three times:




      Enum value used in 'when expression' should be unqualified




      In relation to this code:



      Schema.DisplayType fieldType = getType(fieldName);

      switch on fieldType 
       when Schema.DisplayType.STRING // this line errors
       // do stuff
       
       when Schema.DisplayType.CURRENCY // this line errors
       // do stuff
       
       when Schema.DisplayType.DOUBLE // this line errors
       // do stuff
       
       when else 
       throw new CustomException('Unknown field type: ' + fieldType);


      Questions



      1. Why am I getting the error?

      2. How do I fix it?





      apex enum switch-case




      apex enum switch-case






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      share|improve this question











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      asked 1 hour ago









      Robs

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          1 Answer
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          up vote
          3
          down vote



          accepted










          You need to take the namespace and enclosing class qualifiers off of the enum values. It knows what you mean because it know the type of the value you are switching on. So, you need to write it like this:



          Schema.DisplayType fieldType = getType(fieldName);

          switch on fieldType 
           when STRING 
           // do stuff
           
           when CURRENCY 
           // do stuff
           
           when DOUBLE 
           // do stuff
           
           when else 
           throw new CustomException('Unknown field type: ' + fieldType);





          share|improve this answer




















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            1 Answer
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            oldest

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            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes








            up vote
            3
            down vote



            accepted










            You need to take the namespace and enclosing class qualifiers off of the enum values. It knows what you mean because it know the type of the value you are switching on. So, you need to write it like this:



            Schema.DisplayType fieldType = getType(fieldName);

            switch on fieldType 
             when STRING 
             // do stuff
             
             when CURRENCY 
             // do stuff
             
             when DOUBLE 
             // do stuff
             
             when else 
             throw new CustomException('Unknown field type: ' + fieldType);





            share|improve this answer
























              up vote
              3
              down vote



              accepted










              You need to take the namespace and enclosing class qualifiers off of the enum values. It knows what you mean because it know the type of the value you are switching on. So, you need to write it like this:



              Schema.DisplayType fieldType = getType(fieldName);

              switch on fieldType 
               when STRING 
               // do stuff
               
               when CURRENCY 
               // do stuff
               
               when DOUBLE 
               // do stuff
               
               when else 
               throw new CustomException('Unknown field type: ' + fieldType);





              share|improve this answer






















                up vote
                3
                down vote



                accepted







                up vote
                3
                down vote



                accepted






                You need to take the namespace and enclosing class qualifiers off of the enum values. It knows what you mean because it know the type of the value you are switching on. So, you need to write it like this:



                Schema.DisplayType fieldType = getType(fieldName);

                switch on fieldType 
                 when STRING 
                 // do stuff
                 
                 when CURRENCY 
                 // do stuff
                 
                 when DOUBLE 
                 // do stuff
                 
                 when else 
                 throw new CustomException('Unknown field type: ' + fieldType);





                share|improve this answer












                You need to take the namespace and enclosing class qualifiers off of the enum values. It knows what you mean because it know the type of the value you are switching on. So, you need to write it like this:



                Schema.DisplayType fieldType = getType(fieldName);

                switch on fieldType 
                 when STRING 
                 // do stuff
                 
                 when CURRENCY 
                 // do stuff
                 
                 when DOUBLE 
                 // do stuff
                 
                 when else 
                 throw new CustomException('Unknown field type: ' + fieldType);






                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 43 mins ago









                Aidan

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