/**
  * @see parent::evaluateTimeTriggerBeforeSave for explanation of method
  * @param RedBeanModel $model
  * @param $attribute
  * @param $changeRequiredToProcess - if a change in value is required to confirm the time trigger is true
  * @return bool
  * @throws NotSupportedException
  */
 public function evaluateTimeTriggerBeforeSave(RedBeanModel $model, $attribute, $changeRequiredToProcess = true)
 {
     assert('is_string($attribute)');
     assert('is_bool($changeRequiredToProcess)');
     if ($this->trigger->valueType != MixedDateTypesSearchFormAttributeMappingRules::TYPE_IS_TIME_FOR) {
         throw new NotSupportedException();
     }
     return (array_key_exists($attribute, $model->originalAttributeValues) || !$changeRequiredToProcess) && DateTimeUtil::isDateValueNull($model, $attribute) === false;
 }