public function processInterface()
 {
     // Make sure there was no conneg error prior to this process call
     if ($this->ws->conneg->getStatus() == 200) {
         // Make sure this is not an ontology dataset
         $query = "select ?holdOntology\n                        from <" . $this->ws->wsf_graph . "datasets/>\n                        where\n                        {\n                          <" . $this->ws->datasetUri . "> <http://purl.org/ontology/wsf#holdOntology> ?holdOntology .\n                        }";
         $resultset = @$this->ws->db->query($this->ws->db->build_sparql_query(str_replace(array("\n", "\r", "\t"), " ", $query), array('holdOntology'), FALSE));
         if (odbc_error()) {
             $this->ws->conneg->setStatus(500);
             $this->ws->conneg->setStatusMsg("Internal Error");
             $this->ws->conneg->setStatusMsgExt($this->ws->errorMessenger->_306->name);
             $this->ws->conneg->setError($this->ws->errorMessenger->_306->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_306->name, $this->ws->errorMessenger->_306->description, odbc_errormsg(), $this->ws->errorMessenger->_306->level);
             return;
         } else {
             while (odbc_fetch_row($resultset)) {
                 $holdOntology = odbc_result($resultset, 1);
                 if (strtolower($holdOntology) == "true") {
                     $this->ws->conneg->setStatus(400);
                     $this->ws->conneg->setStatusMsg("Bad Request");
                     $this->ws->conneg->setStatusMsgExt($this->ws->errorMessenger->_306->name);
                     $this->ws->conneg->setError($this->ws->errorMessenger->_306->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_306->name, $this->ws->errorMessenger->_306->description, odbc_errormsg(), $this->ws->errorMessenger->_306->level);
                     return;
                 }
             }
         }
         unset($resultset);
         // Remove  all the possible other meta descriptions
         // of the dataset introduced by the wsf:meta property.
         $query = "  delete from <" . $this->ws->wsf_graph . "datasets/> \n                { \n                  ?meta ?p_meta ?o_meta.\n                }\n                where\n                {\n                  graph <" . $this->ws->wsf_graph . "datasets/>\n                  {\n                    <" . $this->ws->datasetUri . "> <http://purl.org/ontology/wsf#meta> ?meta.\n                    ?meta ?p_meta ?o_meta.\n                  }\n                }";
         @$this->ws->db->query($this->ws->db->build_sparql_query(str_replace(array("\n", "\r", "\t"), " ", $query), array(), FALSE));
         if (odbc_error()) {
             $this->ws->conneg->setStatus(500);
             $this->ws->conneg->setStatusMsg("Internal Error");
             $this->ws->conneg->setStatusMsgExt($this->ws->errorMessenger->_300->name);
             $this->ws->conneg->setError($this->ws->errorMessenger->_300->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_300->name, $this->ws->errorMessenger->_300->description, odbc_errormsg(), $this->ws->errorMessenger->_300->level);
             return;
         }
         // Remove the Graph description in the ".../datasets/"
         $query = "  delete from <" . $this->ws->wsf_graph . "datasets/> \n                { \n                  <" . $this->ws->datasetUri . "> ?p ?o.\n                }\n                where\n                {\n                  graph <" . $this->ws->wsf_graph . "datasets/>\n                  {\n                    <" . $this->ws->datasetUri . "> ?p ?o.\n                  }\n                }";
         @$this->ws->db->query($this->ws->db->build_sparql_query(str_replace(array("\n", "\r", "\t"), " ", $query), array(), FALSE));
         if (odbc_error()) {
             $this->ws->conneg->setStatus(500);
             $this->ws->conneg->setStatusMsg("Internal Error");
             $this->ws->conneg->setStatusMsgExt($this->ws->errorMessenger->_301->name);
             $this->ws->conneg->setError($this->ws->errorMessenger->_301->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_301->name, $this->ws->errorMessenger->_301->description, odbc_errormsg(), $this->ws->errorMessenger->_301->level);
             return;
         }
         // Removing all accesses for this graph
         $ws_ara = new AuthRegistrarAccess("", "", $this->ws->datasetUri, "delete_all", "", "", $this->ws->registered_ip);
         $ws_ara->pipeline_conneg($this->ws->conneg->getAccept(), $this->ws->conneg->getAcceptCharset(), $this->ws->conneg->getAcceptEncoding(), $this->ws->conneg->getAcceptLanguage());
         $ws_ara->process();
         if ($ws_ara->pipeline_getResponseHeaderStatus() != 200) {
             $this->ws->conneg->setStatus($ws_ara->pipeline_getResponseHeaderStatus());
             $this->ws->conneg->setStatusMsg($ws_ara->pipeline_getResponseHeaderStatusMsg());
             $this->ws->conneg->setStatusMsgExt($ws_ara->pipeline_getResponseHeaderStatusMsgExt());
             $this->ws->conneg->setError($ws_ara->pipeline_getError()->id, $ws_ara->pipeline_getError()->webservice, $ws_ara->pipeline_getError()->name, $ws_ara->pipeline_getError()->description, $ws_ara->pipeline_getError()->debugInfo, $ws_ara->pipeline_getError()->level);
             return;
         }
         // Drop the entire graph
         $query = "sparql clear graph <" . $this->ws->datasetUri . ">";
         @$this->ws->db->query($query);
         if (odbc_error()) {
             $this->ws->conneg->setStatus(500);
             $this->ws->conneg->setStatusMsg("Internal Error");
             $this->ws->conneg->setStatusMsgExt($this->ws->errorMessenger->_302->name);
             $this->ws->conneg->setError($this->ws->errorMessenger->_302->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_302->name, $this->ws->errorMessenger->_302->description, odbc_errormsg(), $this->ws->errorMessenger->_302->level);
             return;
         }
         // Drop the reification graph related to this dataset
         $query = "sparql clear graph <" . $this->ws->datasetUri . "reification/>";
         @$this->ws->db->query($query);
         if (odbc_error()) {
             $this->ws->conneg->setStatus(500);
             $this->ws->conneg->setStatusMsg("Internal Error");
             $this->ws->conneg->setStatusMsgExt("Error #dataset-delete-105");
             $this->ws->conneg->setError($this->ws->errorMessenger->_303->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_303->name, $this->ws->errorMessenger->_303->description, odbc_errormsg(), $this->ws->errorMessenger->_303->level);
             return;
         }
         // Remove all documents from the solr index for this Dataset
         $solr = new Solr($this->ws->wsf_solr_core, $this->ws->solr_host, $this->ws->solr_port, $this->ws->fields_index_folder);
         if (!$solr->flushDataset($this->ws->datasetUri)) {
             $this->ws->conneg->setStatus(500);
             $this->ws->conneg->setStatusMsg("Internal Error");
             $this->ws->conneg->setStatusMsgExt($this->ws->errorMessenger->_304->name);
             $this->ws->conneg->setError($this->ws->errorMessenger->_304->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_304->name, $this->ws->errorMessenger->_304->description, $solr->errorMessage . '[Debugging information: ]' . $solr->errorMessageDebug, $this->ws->errorMessenger->_304->level);
             return;
         }
         if ($this->ws->solr_auto_commit === FALSE) {
             if (!$solr->commit()) {
                 $this->ws->conneg->setStatus(500);
                 $this->ws->conneg->setStatusMsg("Internal Error");
                 $this->ws->conneg->setStatusMsgExt($this->ws->errorMessenger->_305->name);
                 $this->ws->conneg->setError($this->ws->errorMessenger->_305->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_305->name, $this->ws->errorMessenger->_305->description, $solr->errorMessage . '[Debugging information: ]' . $solr->errorMessageDebug, $this->ws->errorMessenger->_305->level);
                 return;
             }
         }
         /*      
               if(!$solr->optimize())
               {
                 $this->ws->conneg->setStatus(500);
                 $this->ws->conneg->setStatusMsg("Internal Error");
                 $this->ws->conneg->setStatusMsgExt("Error #dataset-delete-104");  
                 return;          
               }      
         */
     }
 }