1package io.protobase.f7.formulas.logic;
 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 IFNA extends AbstractFormula {
14  public static FormulaName NAME = FormulaName.IFERROR;
15  public static IFNA SELF = new IFNA();
16
17  public IFNA() {
18    super();
19  }
20
21  public IFNA(Function<Object, Object> lookup, BiFunction<GridColumnRowKey, Object, Object> collateralLookup) {
22    super(lookup, collateralLookup);
23  }
24
25  @Override
26  public Object internal(GridColumnRowKey origin, Object... values) {
27    checkLength(values.length, 2, NAME);
28    Object value = Converters.first(collateralLookup.apply(origin, values[0]));
29    if ((value instanceof F7Exception && ((F7Exception) value).getName().equals(F7ExceptionName.NA))) {
30      return Converters.first(collateralLookup.apply(origin, values[1]));
31    }
32    return value;
33  }
34}