/**
* Check if a document in a specific xml version is already cached or not.
*
* @param mixed $documentId
* @param mixed $xmlVersion
* @param mixed $serverDateModified
* @return bool Returns true on cached hit else false.
*/
public function hasValidEntry($documentId, $xmlVersion, $serverDateModified)
{
$select = $this->_table->select()->from($this->_table);
$select->where('document_id = ?', $documentId)->where('xml_version = ?', $xmlVersion)->where('server_date_modified = ?', $serverDateModified);
$row = $this->_table->fetchRow($select);
if (null === $row) {
$result = false;
} else {
$result = true;
}
return $result;
}
