/** Update all ontological structures used by the WSF
@author Frederick Giasson, Structured Dynamics LLC.
*/
public function createOntology()
{
// Make sure there was no conneg error prior to this process call
if ($this->ws->conneg->getStatus() == 200) {
$this->ws->validateQuery();
// If the query is still valid
if ($this->ws->conneg->getStatus() == 200) {
// Starts the OWLAPI process/bridge
require_once $this->ws->owlapiBridgeURI;
// Create the OWLAPI session object that could have been persisted on the OWLAPI instance.
// Second param "false" => we re-use the pre-created session without destroying the previous one
// third param "0" => it nevers timeout.
$OwlApiSession = java_session("OWLAPI", false, 0);
$register = java_values($OwlApiSession->get("ontologiesRegister"));
// Check if the ontology is already existing
if (!is_null(java_values($OwlApiSession->get($this->getOntologySessionID($this->ws->ontologyUri)))) || $register != NULL && array_search($this->getOntologySessionID($this->ws->ontologyUri), $register) !== FALSE) {
$this->ws->returnError(400, "Bad Request", "_302", "");
return;
}
try {
$ontology = new OWLOntology($this->ws->ontologyUri, $OwlApiSession, FALSE);
if (strtolower($this->ws->owlapiReasoner) == "pellet") {
$ontology->usePelletReasoner();
} elseif (strtolower($this->ws->owlapiReasoner) == "hermit") {
$ontology->useHermitReasoner();
} elseif (strtolower($this->ws->owlapiReasoner) == "factpp") {
$ontology->useFactppReasoner();
}
} catch (Exception $e) {
$this->ws->returnError(400, "Bad Request", "_300", (string) java_values($e));
return;
}
// Get the description of the ontology
$ontologyDescription = $ontology->getOntologyDescription();
$ontologyName = $this->getLabel($this->ws->ontologyUri, $ontologyDescription);
$ontologyDescription = $this->getDescription($ontologyDescription);
// Get the list of webservices that will be accessible for this ontology dataset.
$authLister = new AuthLister("ws", $this->ws->ontologyUri, $this->ws->requester_ip, $this->ws->wsf_local_ip);
$authLister->pipeline_conneg($this->ws->conneg->getAccept(), $this->ws->conneg->getAcceptCharset(), $this->ws->conneg->getAcceptEncoding(), $this->ws->conneg->getAcceptLanguage());
$authLister->process();
if ($authLister->pipeline_getResponseHeaderStatus() != 200) {
$this->ws->conneg->setStatus($authLister->pipeline_getResponseHeaderStatus());
$this->ws->conneg->setStatusMsg($authLister->pipeline_getResponseHeaderStatusMsg());
$this->ws->conneg->setStatusMsgExt($authLister->pipeline_getResponseHeaderStatusMsgExt());
$this->ws->conneg->setError($authLister->pipeline_getError()->id, $authLister->pipeline_getError()->webservice, $authLister->pipeline_getError()->name, $authLister->pipeline_getError()->description, $authLister->pipeline_getError()->debugInfo, $authLister->pipeline_getError()->level);
return;
}
/* Get all web services */
$webservices = "";
$xml = new ProcessorXML();
$xml->loadXML($authLister->pipeline_getResultset());
$webServiceElements = $xml->getXPath('//predicate/object[attribute::type="wsf:WebService"]');
foreach ($webServiceElements as $element) {
if (stristr($xml->getURI($element), "/wsf/ws/search/") !== FALSE || stristr($xml->getURI($element), "/wsf/ws/browse/") !== FALSE || stristr($xml->getURI($element), "/wsf/ws/sparql/") !== FALSE || stristr($xml->getURI($element), "/wsf/ws/crud/create/") !== FALSE || stristr($xml->getURI($element), "/wsf/ws/crud/update/") !== FALSE || stristr($xml->getURI($element), "/wsf/ws/crud/delete/") !== FALSE || stristr($xml->getURI($element), "/wsf/ws/crud/read/") !== FALSE || stristr($xml->getURI($element), "/wsf/ws/ontology/create/") !== FALSE || stristr($xml->getURI($element), "/wsf/ws/ontology/read/") !== FALSE || stristr($xml->getURI($element), "/wsf/ws/ontology/update/") !== FALSE || stristr($xml->getURI($element), "/wsf/ws/ontology/delete/") !== FALSE) {
$webservices .= $xml->getURI($element) . ";";
}
}
$webservices = rtrim($webservices, ";");
unset($xml);
unset($authLister);
// Create a new dataset for this ontology
$globalPermissions = "";
if ($this->ws->globalPermissionCreate === FALSE) {
$globalPermissions .= "False;";
} else {
$globalPermissions .= "True;";
}
if ($this->ws->globalPermissionRead === FALSE) {
$globalPermissions .= "False;";
} else {
$globalPermissions .= "True;";
}
if ($this->ws->globalPermissionUpdate === FALSE) {
$globalPermissions .= "False;";
} else {
$globalPermissions .= "True;";
}
if ($this->ws->globalPermissionDelete === FALSE) {
$globalPermissions .= "False";
} else {
$globalPermissions .= "True";
}
$datasetCreate = new DatasetCreate($this->ws->ontologyUri, $ontologyName, $ontologyDescription, "", $this->ws->registered_ip, $this->ws->requester_ip, $webservices, $globalPermissions);
$datasetCreate->ws_conneg($_SERVER['HTTP_ACCEPT'], $_SERVER['HTTP_ACCEPT_CHARSET'], $_SERVER['HTTP_ACCEPT_ENCODING'], $_SERVER['HTTP_ACCEPT_LANGUAGE']);
$datasetCreate->process();
if ($datasetCreate->pipeline_getResponseHeaderStatus() != 200) {
if ($datasetCreate->pipeline_getError()->id != "WS-DATASET-CREATE-202") {
$this->ws->conneg->setStatus($datasetCreate->pipeline_getResponseHeaderStatus());
$this->ws->conneg->setStatusMsg($datasetCreate->pipeline_getResponseHeaderStatusMsg());
$this->ws->conneg->setStatusMsgExt($datasetCreate->pipeline_getResponseHeaderStatusMsgExt());
$this->ws->conneg->setError($datasetCreate->pipeline_getError()->id, $datasetCreate->pipeline_getError()->webservice, $datasetCreate->pipeline_getError()->name, $datasetCreate->pipeline_getError()->description, $datasetCreate->pipeline_getError()->debugInfo, $datasetCreate->pipeline_getError()->level);
}
// If the dataset already exists, then we simply stop the processing of the advancedIndexation
// mode. This means that the tomcat instance has been rebooted, and that the datasets
// have been leaved there, and that a procedure, normally using the advancedIndexation mode
// is currently being re-processed.
return;
}
unset($datasetCreate);
// Tag the new dataset as being a dataset that host an ontology description
$query = "insert into <" . $this->ws->wsf_graph . "datasets/>\n {\n <" . $this->ws->ontologyUri . "> <http://purl.org/ontology/wsf#holdOntology> \"true\" .\n }";
@$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(), $this->ws->errorMessenger->_301->level);
return;
}
// Check if we want to enable the advanced indexation: so, if we want to import all the ontologies
// description into the other structWSF data stores to enable search and filtering using the other
// endpoints such as search, sparql, read, etc.
if ($this->ws->advancedIndexation) {
// Once we start the ontology creation process, we have to make sure that even if the server
// loose the connection with the user the process will still finish.
ignore_user_abort(true);
// However, maybe there is an issue with the server handling that file tht lead to some kind of infinite
// or near infinite loop; so we have to limit the execution time of this procedure to 45 mins.
set_time_limit(86400);
// Get the description of the classes, properties and named individuals of this ontology.
// Check the size of the Ontology file to import. If the size is bigger than 8MB, then we will
// use another method that incurs some Virtuoso indexing. If it is the case, you have to make sure
// that Virtuoso is properly configured so that it can access (DirsAllowed Virtuoso config option)
// the folder where the ontology file has been saved.
if (filesize($this->ws->ontologyUri) > 8000000) {
$sliceSize = 100;
// Import the big file into Virtuoso
$sqlQuery = "DB.DBA.RDF_LOAD_RDFXML_MT(file_to_string_output('" . str_replace("file://localhost", "", $this->ws->ontologyUri) . "'),'" . $this->ws->ontologyUri . "/import','" . $this->ws->ontologyUri . "/import')";
$resultset = $this->ws->db->query($sqlQuery);
if (odbc_error()) {
// If there is an error, try to load it using the Turtle parser
$sqlQuery = "DB.DBA.TTLP_MT(file_to_string_output('" . str_replace("file://localhost", "", $this->ws->ontologyUri) . "'),'" . $this->ws->ontologyUri . "/import','" . $this->ws->ontologyUri . "/import')";
$resultset = $this->ws->db->query($sqlQuery);
if (odbc_error()) {
// echo "Error: can't import the file: $file, into the triple store.\n";
// return;
}
}
unset($resultset);
// count the number of records
$sparqlQuery = "\n \n select count(distinct ?s) as ?nb from <" . $this->ws->ontologyUri . "/import>\n where\n {\n ?s a ?o .\n }\n \n ";
$resultset = $this->ws->db->query($this->ws->db->build_sparql_query($sparqlQuery, array('nb'), FALSE));
$nb = odbc_result($resultset, 1);
unset($resultset);
$nbRecordsDone = 0;
while ($nbRecordsDone < $nb && $nb > 0) {
// Create slices of 100 records.
$sparqlQuery = "\n \n select ?s ?p ?o (DATATYPE(?o)) as ?otype (LANG(?o)) as ?olang\n where \n {\n {\n select distinct ?s from <" . $this->ws->ontologyUri . "/import> \n where \n {\n ?s a ?type.\n } \n limit " . $sliceSize . " \n offset " . $nbRecordsDone . "\n } \n \n ?s ?p ?o\n }\n \n ";
$resultset = $this->ws->db->query($this->ws->db->build_sparql_query($sparqlQuery, array('s', 'p', 'o', 'otype', 'olang'), FALSE));
if (odbc_error()) {
// echo "Error: can't get records slices.\n";
// return;
}
$crudCreates = "";
$crudUpdates = "";
$crudDeletes = array();
$rdfDocumentN3 = "";
$currentSubject = "";
$subjectDescription = "@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .\n";
while (odbc_fetch_row($resultset)) {
$s = odbc_result($resultset, 1);
$p = odbc_result($resultset, 2);
$o = $this->ws->db->odbc_getPossibleLongResult($resultset, 3);
$otype = odbc_result($resultset, 4);
$olang = odbc_result($resultset, 5);
if ($otype != "" || $olang != "") {
$subjectDescription .= "<{$s}> <{$p}> \"\"\"" . $this->n3Encode($o) . "\"\"\" .\n";
} else {
$subjectDescription .= "<{$s}> <{$p}> <{$o}> .\n";
}
}
unset($resultset);
$wsq = new WebServiceQuerier(rtrim($this->ws->wsf_base_url, "/") . "/ws/crud/create/", "post", "application/rdf+xml", "document=" . urlencode($subjectDescription) . "&dataset=" . urlencode($this->ws->ontologyUri) . "&mime=" . urlencode("application/rdf+n3") . "&mode=full" . "®istered_ip=" . urlencode($this->ws->registered_ip));
if ($wsq->getStatus() != 200) {
$this->ws->conneg->setStatus($wsq->getStatus());
$this->ws->conneg->setStatusMsg($wsq->getStatusMessage());
$this->ws->conneg->setStatusMsgExt($wsq->getStatusMessageDescription());
/*
$this->ws->conneg->setError($wsq->pipeline_getError()->id,
$crudCreate->pipeline_getError()->webservice, $crudCreate->pipeline_getError()->name,
$crudCreate->pipeline_getError()->description, $crudCreate->pipeline_getError()->debugInfo,
$crudCreate->pipeline_getError()->level);
*/
// In case of error, we delete the dataset we previously created.
$ontologyDelete = new OntologyDelete($this->ws->ontologyUri, $this->ws->registered_ip, $this->ws->requester_ip);
$ontologyDelete->ws_conneg($_SERVER['HTTP_ACCEPT'], $_SERVER['HTTP_ACCEPT_CHARSET'], $_SERVER['HTTP_ACCEPT_ENCODING'], $_SERVER['HTTP_ACCEPT_LANGUAGE']);
$ontologyDelete->deleteOntology();
if ($ontologyDelete->pipeline_getResponseHeaderStatus() != 200) {
$this->ws->conneg->setStatus($ontologyDelete->pipeline_getResponseHeaderStatus());
$this->ws->conneg->setStatusMsg($ontologyDelete->pipeline_getResponseHeaderStatusMsg());
$this->ws->conneg->setStatusMsgExt($ontologyDelete->pipeline_getResponseHeaderStatusMsgExt());
$this->ws->conneg->setError($ontologyDelete->pipeline_getError()->id, $ontologyDelete->pipeline_getError()->webservice, $ontologyDelete->pipeline_getError()->name, $ontologyDelete->pipeline_getError()->description, $ontologyDelete->pipeline_getError()->debugInfo, $ontologyDelete->pipeline_getError()->level);
//return;
}
//return;
}
$nbRecordsDone += $sliceSize;
}
// Now delete the graph we used to import the file
$sqlQuery = "sparql clear graph <" . $this->ws->ontologyUri . "/import>";
$resultset = $this->ws->db->query($sqlQuery);
if (odbc_error()) {
// echo "Error: can't delete the graph sued for importing the file\n";
// return;
}
unset($resultset);
} else {
$nbClasses = $ontology->getNbClasses();
$sliceSize = 200;
// Note: in OntologyCreate, we have to merge all the classes, properties and named individuals
// together. This is needed to properly handle possible punning used in imported ontologies.
// If we don't do this, and that a resource is both a class and an individual, then only
// the individual will be in the Solr index because it would overwrite the Class
// record document with the same URI.
include_once "../../framework/arc2/ARC2.php";
$rdfxmlParser = ARC2::getRDFParser();
$rdfxmlSerializer = ARC2::getRDFXMLSerializer();
$resourcesIndex = $rdfxmlParser->getSimpleIndex(0);
for ($i = 0; $i < $nbClasses; $i += $sliceSize) {
$ontologyRead = new OntologyRead($this->ws->ontologyUri, "getClasses", "mode=descriptions;limit={$sliceSize};offset={$i}", $this->ws->registered_ip, $this->ws->requester_ip);
// Since we are in pipeline mode, we have to set the owlapisession using the current one.
// otherwise the java bridge will return an error
$ontologyRead->setOwlApiSession($OwlApiSession);
$ontologyRead->ws_conneg("application/rdf+xml", $_SERVER['HTTP_ACCEPT_CHARSET'], $_SERVER['HTTP_ACCEPT_ENCODING'], $_SERVER['HTTP_ACCEPT_LANGUAGE']);
if ($this->ws->reasoner) {
$ontologyRead->useReasoner();
} else {
$ontologyRead->stopUsingReasoner();
}
$ontologyRead->process();
$classesRDF = $ontologyRead->ws_serialize();
$rdfxmlParser->parse($this->ws->ontologyUri, $classesRDF);
$resourceIndex = $rdfxmlParser->getSimpleIndex(0);
$resourcesIndex = ARC2::getMergedIndex($resourcesIndex, $resourceIndex);
unset($ontologyRead);
}
$nbProperties = 0;
$nbProperties += $ontology->getNbObjectProperties();
$nbProperties += $ontology->getNbDataProperties();
$nbProperties += $ontology->getNbAnnotationProperties();
$sliceSize = 200;
for ($i = 0; $i < $nbProperties; $i += $sliceSize) {
$ontologyRead = new OntologyRead($this->ws->ontologyUri, "getProperties", "mode=descriptions;limit={$sliceSize};offset={$i};type=all", $this->ws->registered_ip, $this->ws->requester_ip);
// Since we are in pipeline mode, we have to set the owlapisession using the current one.
// otherwise the java bridge will return an error
$ontologyRead->setOwlApiSession($OwlApiSession);
$ontologyRead->ws_conneg("application/rdf+xml", $_SERVER['HTTP_ACCEPT_CHARSET'], $_SERVER['HTTP_ACCEPT_ENCODING'], $_SERVER['HTTP_ACCEPT_LANGUAGE']);
if ($this->ws->reasoner) {
$ontologyRead->useReasoner();
} else {
$ontologyRead->stopUsingReasoner();
}
$ontologyRead->process();
$propertiesRDF = $ontologyRead->ws_serialize();
$rdfxmlParser->parse($this->ws->ontologyUri, $propertiesRDF);
$resourceIndex = $rdfxmlParser->getSimpleIndex(0);
$resourcesIndex = ARC2::getMergedIndex($resourcesIndex, $resourceIndex);
unset($ontologyRead);
}
$nbNamedIndividuals = $ontology->getNbNamedIndividuals();
$sliceSize = 200;
for ($i = 0; $i < $nbNamedIndividuals; $i += $sliceSize) {
$ontologyRead = new OntologyRead($this->ws->ontologyUri, "getNamedIndividuals", "classuri=all;mode=descriptions;limit={$sliceSize};offset={$i}", $this->ws->registered_ip, $this->ws->requester_ip);
// Since we are in pipeline mode, we have to set the owlapisession using the current one.
// otherwise the java bridge will return an error
$ontologyRead->setOwlApiSession($OwlApiSession);
$ontologyRead->ws_conneg("application/rdf+xml", $_SERVER['HTTP_ACCEPT_CHARSET'], $_SERVER['HTTP_ACCEPT_ENCODING'], $_SERVER['HTTP_ACCEPT_LANGUAGE']);
if ($this->ws->reasoner) {
$ontologyRead->useReasoner();
} else {
$ontologyRead->stopUsingReasoner();
}
$ontologyRead->process();
$namedIndividualsRDF = $ontologyRead->ws_serialize();
$rdfxmlParser->parse($this->ws->ontologyUri, $namedIndividualsRDF);
$resourceIndex = $rdfxmlParser->getSimpleIndex(0);
$resourcesIndex = ARC2::getMergedIndex($resourcesIndex, $resourceIndex);
unset($ontologyRead);
}
// Now, let's index the resources of this ontology within structWSF (for the usage of browse, search
// and sparql)
// Split the aggregated resources in multiple slices
$nbResources = count($resourcesIndex);
$sliceSize = 200;
for ($i = 0; $i < $nbResources; $i += $sliceSize) {
$slicedResourcesIndex = array_slice($resourcesIndex, $i, $sliceSize);
$resourcesRDF = $rdfxmlSerializer->getSerializedIndex($slicedResourcesIndex);
$crudCreate = new CrudCreate($resourcesRDF, "application/rdf+xml", "full", $this->ws->ontologyUri, $this->ws->registered_ip, $this->ws->requester_ip);
$crudCreate->ws_conneg($_SERVER['HTTP_ACCEPT'], $_SERVER['HTTP_ACCEPT_CHARSET'], $_SERVER['HTTP_ACCEPT_ENCODING'], $_SERVER['HTTP_ACCEPT_LANGUAGE']);
$crudCreate->process();
if ($crudCreate->pipeline_getResponseHeaderStatus() != 200) {
$this->ws->conneg->setStatus($crudCreate->pipeline_getResponseHeaderStatus());
$this->ws->conneg->setStatusMsg($crudCreate->pipeline_getResponseHeaderStatusMsg());
$this->ws->conneg->setStatusMsgExt($crudCreate->pipeline_getResponseHeaderStatusMsgExt());
$this->ws->conneg->setError($crudCreate->pipeline_getError()->id, $crudCreate->pipeline_getError()->webservice, $crudCreate->pipeline_getError()->name, $crudCreate->pipeline_getError()->description, $crudCreate->pipeline_getError()->debugInfo, $crudCreate->pipeline_getError()->level);
// In case of error, we delete the dataset we previously created.
$ontologyDelete = new OntologyDelete($this->ws->ontologyUri, $this->ws->registered_ip, $this->ws->requester_ip);
$ontologyDelete->ws_conneg($_SERVER['HTTP_ACCEPT'], $_SERVER['HTTP_ACCEPT_CHARSET'], $_SERVER['HTTP_ACCEPT_ENCODING'], $_SERVER['HTTP_ACCEPT_LANGUAGE']);
$ontologyDelete->deleteOntology();
if ($ontologyDelete->pipeline_getResponseHeaderStatus() != 200) {
$this->ws->conneg->setStatus($ontologyDelete->pipeline_getResponseHeaderStatus());
$this->ws->conneg->setStatusMsg($ontologyDelete->pipeline_getResponseHeaderStatusMsg());
$this->ws->conneg->setStatusMsgExt($ontologyDelete->pipeline_getResponseHeaderStatusMsgExt());
$this->ws->conneg->setError($ontologyDelete->pipeline_getError()->id, $ontologyDelete->pipeline_getError()->webservice, $ontologyDelete->pipeline_getError()->name, $ontologyDelete->pipeline_getError()->description, $ontologyDelete->pipeline_getError()->debugInfo, $ontologyDelete->pipeline_getError()->level);
return;
}
return;
}
unset($crudCreate);
}
}
}
}
}
}