* Get a multi-instance object
*
* This is a utility method to get multiple instances with a given set of
+ * values for a specific column.
+ *
+ * @param string $keyCol key column name
+ * @param array $keyVals array of key values
+ *
+ * @return get_called_class() object with multiple instances if found,
+ * Exception is thrown when no entries are found.
+ *
+ */
+ static function listFind($keyCol, array $keyVals)
+ {
+ return parent::listFindClass(get_called_class(), $keyCol, $keyVals);
+ }
+
+ /**
+ * Get a multi-instance object in an array
+ *
+ * This is a utility method to get multiple instances with a given set of
* values for a specific key column. Usually used for the primary key when
- * multiple values are desired.
+ * multiple values are desired. Result is an array.
*
* @param string $keyCol key column name
* @param array $keyVals array of key values
*
- * @return get_called_class() object with multiple instances if found, or null for no hits
+ * @return array with an get_called_class() object for each $keyVals entry
*
*/
static function listGet($keyCol, array $keyVals)
return $pkey;
}
+ static function listFindClass($cls, $keyCol, array $keyVals)
+ {
+ if (!is_a($cls, __CLASS__, true)) {
+ throw new Exception('Trying to fetch ' . __CLASS__ . ' into a non-related class');
+ }
+
+ $i = new $cls;
+ $i->whereAddIn($keyCol, $keyVals, $i->columnType($keyCol));
+ if (!$i->find()) {
+ throw new NoResultException($i);
+ }
+
+ sprintf(__CLASS__ . "() got {$i->N} results for class $cls key $keyCol");
+ return $i;
+ }
+
static function listGetClass($cls, $keyCol, array $keyVals)
{
if (!is_a($cls, __CLASS__, true)) {
}
if (count($toFetch) > 0) {
- $i = new $cls;
- $i->whereAddIn($keyCol, $toFetch, $i->columnType($keyCol));
- if ($i->find()) {
- sprintf(__CLASS__ . "() got {$i->N} results for class $cls key $keyCol");
+ try {
+ $i = self::listFindClass($cls, $keyCol, $toFetch);
+
while ($i->fetch()) {
$copy = clone($i);
$copy->encache();
}
$pkeyMap[$i->$keyCol][] = $pkeyVal;
}
+ } catch (NoResultException $e) {
+ // no results foudn for our keyVals, so we leave them as empty arrays
}
foreach ($toFetch as $keyVal) {
self::cacheSet(sprintf("%s:list-ids:%s:%s", strtolower($cls), $keyCol, $keyVal),
--- /dev/null
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * class for an exception when a database lookup returns no results
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category Exception
+ * @package StatusNet
+ * @author Mikael Nordfeldth <mmn@hethane.se>
+ * @copyright 2013 Free Software Foundation, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link http://status.net/
+ */
+
+if (!defined('GNUSOCIAL')) {
+ exit(1);
+}
+
+/**
+ * Class for an exception when a local user is not found by certain criteria
+ *
+ * @category Exception
+ * @package StatusNet
+ * @author Mikael Nordfeldth <mmn@hethane.se>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link http://status.net/
+ */
+
+class NoResultException extends ServerException
+{
+ public function __construct(DB_DataObject $obj)
+ {
+ // We could log an entry here with the search parameters
+ parent::__construct(_('No result found on lookup.'));
+ }
+}