public function addCondition($property, $condition)
{
$currentCondition = $property->getVisibleCondition();
if (!$currentCondition instanceof ConditionChainInterface || $currentCondition->getConjunction() != ConditionChainInterface::OR_CONJUNCTION) {
if ($currentCondition === null) {
$currentCondition = new PropertyConditionChain(array($condition));
} else {
$currentCondition = new PropertyConditionChain(array($currentCondition, $condition));
}
$currentCondition->setConjunction(ConditionChainInterface::OR_CONJUNCTION);
$property->setVisibleCondition($currentCondition);
} else {
$currentCondition->addCondition($condition);
}
}