/**
* Creates a search indexer with the given document type
*
* @param string $document_type the shortname of the document type to
* index by.
* @param MDB2_Driver_Common $db the database connection used by this
* indexer.
* @param boolean $new if true, this is a new search index and all indexed
* words for the given document type are removed. If
* false, we are appending to an existing index.
* Defaults to false.
* @param boolean $append if true, keywords keywords for documents that
* are indexed are appended to the keywords that
* may already exist for the document in the index.
* Defaults to false.
*
* @see NateGoSearch::createDocumentType()
*
* @throws NateGoSearchDocumentTypeException if the document type shortname
* does not exist.
*/
public function __construct($document_type, MDB2_Driver_Common $db, $new = false, $append = false)
{
// cache mb_string overloading status
if (self::$use_mb_string === null) {
self::$use_mb_string = extension_loaded('mbstring') && (ini_get('mbstring.func_overload') & 2) === 2;
}
$type = NateGoSearch::getDocumentType($db, $document_type);
if ($type === null) {
throw new NateGoSearchDocumentTypeException("Document type {$document_type} does not exist and cannot be " . "indexed. Document types must be created before being used.", 0, $document_type);
}
$this->document_type = $type;
$this->db = $db;
$this->new = $new;
$this->append = $append;
}
