/**
* Is a record locked?
*
* @param integer $with The userid to preform the match with. If an item is checked
* out by this user the function will return false.
* @param integer $unused_against Junk inherited from JTable; ignore
*
* @throws UnexpectedValueException
*
* @return boolean True if the record is locked by another user
*/
public function isCheckedOut($with = 0, $unused_against = null)
{
$against = null;
$fldLockedBy = $this->getColumnAlias('locked_by');
$k = $this->_tbl_key;
// If no primary key is given, return false.
if ($this->{$k} === null) {
throw new UnexpectedValueException('Null primary key not allowed.');
}
if (isset($this) && is_a($this, 'FOFTable') && !$against) {
$against = $this->get($fldLockedBy);
}
// Item is not checked out, or being checked out by the same user
if (!$against || $against == $with) {
return false;
}
$query = $this->_db->getQuery(true)->select('COUNT(userid)')->from($this->_db->quoteName('#__session'))->where($this->_db->quoteName('userid') . ' = ' . $this->_db->quote($against));
$this->_db->setQuery($query);
if (!($result = $this->_db->loadResult())) {
$this->setError($this->_db->stderr());
return false;
}
return (bool) $result;
}