public function removeInTag(NodeRef $nodeRef, Tag $tag)
{
$this->NodeEvents->fireNodeEvents(__FUNCTION__, '', $nodeRef, $tag);
$id = $tag->getTagRole();
$schema = $nodeRef->getElement()->getSchema();
$tagDef = $schema->getTagDef($id);
$tag = TagUtils::filterTagAgainstDef($tag, $tagDef);
// retrieve the DB connection and table from DataSourceManager
$db = $this->getConnectionForWrite($nodeRef);
$id = $this->getRecordIDFromNodeRef($nodeRef);
$matchPartial = $tag->getMatchPartial();
$matchPartial->TagSlug = $tag->getTagSlug();
// save the tags
$this->NodeTagsDAO->saveInTags($db, $nodeRef, $id, $matchPartial->toString(), array());
}
