How to use

isUpdatable

method

in

org.activityinfo.model.type.FieldType

/**
 * Verify that all required fields are provided for new resources
 */
private static void validateRequiredFields(FormClass formClass, Optional<FormRecord> existingResource, TypedRecordUpdate update) {
  if(!existingResource.isPresent()) {
    for (FormField formField : formClass.getFields()) {
      if (formField.isRequired() &&
        formField.isVisible() &&
        formField.getType().isUpdatable() && !isProvided(formField, existingResource, update)) {
        throw new InvalidUpdateException("Required field '%s' [%s] is missing from record with schema %s",
          formField.getCode(), formField.getId(), formClass.getId().asString());
      }
    }
  }
}

private static FieldValue validateType(FormField field, FieldValue updatedValue) {
  Preconditions.checkNotNull(field);
  if(updatedValue != null) {
    if ( !field.getType().isUpdatable()) {
      throw new InvalidUpdateException(
        format("Field %s ('%s') is a field of type '%s' and its value cannot be set. Found %s",
          field.getId(),
          field.getLabel(),
          field.getType().getTypeClass().getId(),
          updatedValue));
    }
    if (!field.getType().getTypeClass().equals(updatedValue.getTypeClass())) {
      throw new InvalidUpdateException(
        format("Updated value for field %s ('%s') has invalid type. Expected %s, found %s.",
          field.getId(),
          field.getLabel(),
          field.getType().getTypeClass().getId(),
          updatedValue.getTypeClass().getId()));
    }
  }
  return updatedValue;
}

JsonValue fieldValues = jsonObject.get("fieldValues");
for (FormField formField : formClass.getFields()) {
  if(formField.getType().isUpdatable()) {
    if (fieldValues.hasKey(formField.getName())) {
      JsonValue updatedValueElement = fieldValues.get(formField.getName());