1package io.protobase.f7.formulas.info;
 2
 3import io.protobase.f7.errors.F7Exception;
 4import io.protobase.f7.errors.F7ExceptionName;
 5import io.protobase.f7.formulas.AbstractFormula;
 6import io.protobase.f7.formulas.FormulaName;
 7import io.protobase.f7.models.GridColumnRowKey;
 8import io.protobase.f7.utils.Converters;
 9
10import java.util.function.BiFunction;
11import java.util.function.Function;
12
13public class ISERR extends AbstractFormula {
14  public static FormulaName NAME = FormulaName.ISERR;
15  public static ISERR SELF = new ISERR();
16
17  public ISERR() {
18    super();
19  }
20
21  public ISERR(Function<Object, Object> lookup, BiFunction<GridColumnRowKey, Object, Object> collateralLookup) {
22    super(lookup, collateralLookup);
23  }
24
25  @Override
26  public Object internal(GridColumnRowKey origin, Object... args) {
27    checkLength(args.length, 1, NAME);
28    try {
29      Object first = Converters.first(collateralLookup.apply(origin, args[0]));
30      if (first instanceof F7Exception) {
31        return !((F7Exception) first).getName().equals(F7ExceptionName.NA);
32      }
33      return false;
34    } catch (F7Exception exception) {
35      return !exception.getName().equals(F7ExceptionName.NA);
36    }
37  }
38}