/**
* Short description of method removePropertyValues
*
* @access public
* @author Joel Bout, <*****@*****.**>
* @param Resource resource
* @param Property property
* @param array options
* @return boolean
*/
public function removePropertyValues(core_kernel_classes_Resource $resource, core_kernel_classes_Property $property, $options = array())
{
$returnValue = (bool) false;
// Optional params
$pattern = isset($options['pattern']) && !is_null($options['pattern']) ? $options['pattern'] : null;
$like = isset($options['like']) && $options['like'] == true ? true : false;
//build query:
$query = 'DELETE FROM statements WHERE subject = ? AND predicate = ?';
$objectType = $this->getPersistence()->getPlatForm()->getObjectTypeCondition();
$conditions = array();
if (is_string($pattern)) {
if (!is_null($pattern)) {
$searchPattern = Utils::buildSearchPattern($this->getPersistence(), $pattern, $like);
$conditions[] = '( ' . $objectType . ' ' . $searchPattern . ' )';
}
} else {
if (is_array($pattern)) {
if (count($pattern) > 0) {
$multiCondition = "( ";
foreach ($pattern as $i => $patternToken) {
$searchPattern = Utils::buildSearchPattern($this->getPersistence(), $patternToken, $like);
if ($i > 0) {
$multiCondition .= " OR ";
}
$multiCondition .= '(' . $objectType . ' ' . $searchPattern . ' )';
}
$conditions[] = "{$multiCondition} ) ";
}
}
}
foreach ($conditions as $i => $additionalCondition) {
$query .= " AND ( {$additionalCondition} ) ";
}
//be sure the property we try to remove is included in an updatable model
$query .= ' AND ' . $this->getModelWriteSqlCondition();
if ($property->isLgDependent()) {
$query .= ' AND (' . $this->getPersistence()->getPlatForm()->isNullCondition('l_language') . ' OR l_language = ?) ';
$returnValue = $this->getPersistence()->exec($query, array($resource->getUri(), $property->getUri(), \common_session_SessionManager::getSession()->getDataLanguage()));
} else {
$returnValue = $this->getPersistence()->exec($query, array($resource->getUri(), $property->getUri()));
}
if (!$returnValue) {
$returnValue = false;
}
return (bool) $returnValue;
}
