bundles/org.simantics.spreadsheet/src/org/simantics/spreadsheet/solver/formula/IsErrorFormulaFunction.java

   1 package org.simantics.spreadsheet.solver.formula;
   2
   3 import org.simantics.spreadsheet.solver.formula.parser.ast.AstArgList;
   4
   5 public class IsErrorFormulaFunction implements CellFormulaFunction<Object>{
   6
   7     @Override
   8     public Object evaluate(CellValueVisitor visitor, AstArgList args) {
   9
  10         if (args.values.size() != 1) throw new IllegalStateException();
  11
  12         Object condition = args.values.get(0).accept(visitor);
  13         if(condition instanceof String){
  14             FormulaError2 error = FormulaError2.forString((String)condition);
  15             return (error!=null);
  16         }
  17         return false;
  18     }
  19 }