public static function create(\ModelCriteria $q, $relation, $relationAlias = null, $joinType = \Criteria::INNER_JOIN)
{
$tableMap = $q->getTableMap();
$relationMap = $tableMap->getRelation($relation);
// create a Join object for this join
$join = new static();
$join->setJoinType($joinType);
$join->setRelationMap($relationMap, $q->getModelAlias(), $relationAlias);
if ($previousJoin = $q->getPreviousJoin()) {
$join->setPreviousJoin($previousJoin);
}
// add the ModelJoin to the current object
if ($relationAlias) {
$q->addAlias($relationAlias, $relationMap->getRightTable()->getName());
$q->addJoinObject($join, $relationAlias);
} else {
$q->addJoinObject($join, $relationMap->getRightTable()->getName());
}
return $join;
}