public function generateViews($resources,$context=null)
    {
        $contextAlias = $this->getContextAlias($context);

        // build a filter - will be used for impactIndex detection and finding direct views to re-gen
        $filter = [];
        foreach ($resources as $resource)
        {
            $resourceAlias = $this->labeller->uri_to_alias($resource);
            $this->getLogger()->warning(
                'Generating views',
                ['store' => $this->storeName, '_id' => $resourceAlias]
            );
            // delete any views this resource is involved in. It's type may have changed so it's not enough just to regen it with it's new type below.
            foreach ($this->getConfigInstance()->getViewSpecifications($this->storeName) as $type => $spec) {
                if ($spec['from'] == $this->podName) {
                    $this->config->getCollectionForView($this->storeName, $type, $this->readPreference)
                        ->deleteOne(array("_id" => array("r"=>$resourceAlias,"c"=>$contextAlias,"type"=>$type)));
                }
            }

            // build $filter for queries to impact index
            $filter[] = array("r"=>$resourceAlias,"c"=>$contextAlias);
        }

        // now generate view for $resources themselves... Maybe an optimisation down the line to cut out the query here
        $query = array("_id"=>array('$in'=>$filter));
        $resourceAndType = $this->collection->find($query, array('projection' => array("_id"=>1,"rdf:type"=>1)));

        foreach ($resourceAndType as $rt)
        {
            $id = $rt["_id"];
            if (array_key_exists("rdf:type",$rt))
            {
                if (array_key_exists('u',$rt["rdf:type"]))
                {
                    // single type, not an array of values
                    $this->generateViewsForResourcesOfType($rt["rdf:type"]['u'],$id[_ID_RESOURCE],$id[_ID_CONTEXT]);
                }
                else
                {
                    // an array of types
                    foreach ($rt["rdf:type"] as $type)
                    {
                        $this->generateViewsForResourcesOfType($type['u'],$id[_ID_RESOURCE],$id[_ID_CONTEXT]);
                    }
                }
            }
        }
    }