public function processInterface()
{
// 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) {
// Get triples from ARC for some offline processing.
include_once "../../framework/arc2/ARC2.php";
$parser = ARC2::getRDFParser();
$parser->parse($this->ws->dataset, $this->ws->document);
$rdfxmlSerializer = ARC2::getRDFXMLSerializer();
$resourceIndex = $parser->getSimpleIndex(0);
if (count($parser->getErrors()) > 0) {
$errorsOutput = "";
$errors = $parser->getErrors();
foreach ($errors as $key => $error) {
$errorsOutput .= "[Error #{$key}] {$error}\n";
}
$this->ws->conneg->setStatus(400);
$this->ws->conneg->setStatusMsg("Bad Request");
$this->ws->conneg->setError($this->ws->errorMessenger->_301->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_301->name, $this->ws->errorMessenger->_301->description, $errorsOutput, $this->ws->errorMessenger->_301->level);
return;
}
// First: check for a void:Dataset description to add to the "dataset description graph" of structWSF
$break = FALSE;
$datasetUri = "";
foreach ($resourceIndex as $resource => $description) {
foreach ($description as $predicate => $values) {
if ($predicate == "http://www.w3.org/1999/02/22-rdf-syntax-ns#type") {
foreach ($values as $value) {
if ($value["type"] == "uri" && $value["value"] == "http://rdfs.org/ns/void#Dataset") {
$datasetUri = $resource;
break;
}
}
}
if ($break) {
break;
}
}
if ($break) {
break;
}
}
// Second: get all the reification statements
$break = FALSE;
$statementsUri = array();
foreach ($resourceIndex as $resource => $description) {
foreach ($description as $predicate => $values) {
if ($predicate == "http://www.w3.org/1999/02/22-rdf-syntax-ns#type") {
foreach ($values as $value) {
if ($value["type"] == "uri" && $value["value"] == "http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement") {
array_push($statementsUri, $resource);
break;
}
}
}
if ($break) {
break;
}
}
if ($break) {
break;
}
}
// Third, get all references of all instance records resources (except for the statement resources)
$irsUri = array();
foreach ($resourceIndex as $resource => $description) {
if ($resource != $datasetUri && array_search($resource, $statementsUri) === FALSE) {
array_push($irsUri, $resource);
}
}
// Fourth: Track the record description changes
if ($this->ws->track_create === TRUE) {
foreach ($irsUri as $uri) {
// First check if the record is already existing for this record, within this dataset.
$ws_cr = new CrudRead($uri, $this->ws->dataset, FALSE, TRUE, $this->ws->registered_ip, $this->ws->requester_ip);
$ws_cr->ws_conneg("application/rdf+xml", "utf-8", "identity", "en");
$ws_cr->process();
$oldRecordDescription = $ws_cr->ws_serialize();
$ws_cr_error = $ws_cr->pipeline_getError();
if ($ws_cr->pipeline_getResponseHeaderStatus() == 400 && $ws_cr_error->id == "WS-CRUD-READ-300") {
// The record is not existing within this dataset, so we simply move-on
continue;
} elseif ($ws_cr->pipeline_getResponseHeaderStatus() != 200) {
// An error occured. Since we can't get the past state of a record, we have to send an error
// for the CrudCreate call since we can't create a tracking record for this record.
$this->ws->conneg->setStatus(400);
$this->ws->conneg->setStatusMsg("Bad Request");
$this->ws->conneg->setError($this->ws->errorMessenger->_305->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_305->name, $this->ws->errorMessenger->_305->description, "We can't create a track record for the following record: {$uri}", $this->ws->errorMessenger->_305->level);
break;
}
$endpoint = "";
if ($this->ws->tracking_endpoint != "") {
// We send the query to a remove tracking endpoint
$endpoint = $this->ws->tracking_endpoint . "create/";
} else {
// We send the query to a local tracking endpoint
$endpoint = $this->ws->wsf_base_url . "/ws/tracker/create/";
}
$wsq = new WebServiceQuerier($endpoint, "post", "text/xml", "from_dataset=" . urlencode($this->ws->dataset) . "&record=" . urlencode($uri) . "&action=create" . "&previous_state=" . urlencode($oldRecordDescription) . "&previous_state_mime=" . urlencode("application/rdf+xml") . "&performer=" . urlencode($this->ws->registered_ip) . "®istered_ip=self");
if ($wsq->getStatus() != 200) {
$this->ws->conneg->setStatus($wsq->getStatus());
$this->ws->conneg->setStatusMsg($wsq->getStatusMessage());
/*
$this->ws->conneg->setError($this->ws->errorMessenger->_302->id, $this->ws->errorMessenger->ws,
$this->ws->errorMessenger->_302->name, $this->ws->errorMessenger->_302->description, odbc_errormsg(),
$this->ws->errorMessenger->_302->level);
*/
}
unset($wsq);
}
}
// If the query is still valid
if ($this->ws->conneg->getStatus() == 200) {
// Index all the instance records in the dataset
if ($this->ws->mode == "full" || $this->ws->mode == "triplestore") {
$irs = array();
foreach ($irsUri as $uri) {
$irs[$uri] = $resourceIndex[$uri];
}
$this->ws->db->query("DB.DBA.RDF_LOAD_RDFXML_MT('" . str_replace("'", "\\'", $rdfxmlSerializer->getSerializedIndex($irs)) . "', '" . $this->ws->dataset . "', '" . $this->ws->dataset . "')");
if (odbc_error()) {
$this->ws->conneg->setStatus(400);
$this->ws->conneg->setStatusMsg("Bad Request");
$this->ws->conneg->setError($this->ws->errorMessenger->_302->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_302->name, $this->ws->errorMessenger->_302->description, odbc_errormsg(), $this->ws->errorMessenger->_302->level);
return;
}
unset($irs);
// Index all the reification statements into the statements graph
$statements = array();
foreach ($statementsUri as $uri) {
$statements[$uri] = $resourceIndex[$uri];
}
$this->ws->db->query("DB.DBA.RDF_LOAD_RDFXML_MT('" . str_replace("'", "\\'", $rdfxmlSerializer->getSerializedIndex($statements)) . "', '" . $this->ws->dataset . "reification/', '" . $this->ws->dataset . "reification/')");
if (odbc_error()) {
$this->ws->conneg->setStatus(400);
$this->ws->conneg->setStatusMsg("Bad Request");
$this->ws->conneg->setError($this->ws->errorMessenger->_302->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_302->name, $this->ws->errorMessenger->_302->description, odbc_errormsg(), $this->ws->errorMessenger->_302->level);
return;
}
unset($statements);
/* Link the dataset description of the file, by using the wsf:meta property,
to its internal description (dataset graph description)
*/
if ($datasetUri != "") {
$datasetRes[$datasetUri] = $resourceIndex[$datasetUri];
$datasetRes[$this->ws->dataset] = array("http://purl.org/ontology/wsf#meta" => array(array("value" => $datasetUri, "type" => "uri")));
$datasetDescription = $resourceIndex[$datasetRes];
/* Make the link between the dataset description and its "meta" description (all other
information than its basic description)
*/
$this->ws->db->query("DB.DBA.RDF_LOAD_RDFXML_MT('" . str_replace("'", "\\'", $rdfxmlSerializer->getSerializedIndex($datasetRes)) . "', '" . $this->ws->wsf_graph . "datasets/', '" . $this->ws->wsf_graph . "datasets/')");
if (odbc_error()) {
$this->ws->conneg->setStatus(400);
$this->ws->conneg->setStatusMsg("Bad Request");
$this->ws->conneg->setError($this->ws->errorMessenger->_302->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_302->name, $this->ws->errorMessenger->_302->description, "", $this->ws->errorMessenger->_302->level);
return;
}
unset($datasetRes);
}
}
// Index everything in Solr
if ($this->ws->mode == "full" || $this->ws->mode == "searchindex") {
$labelProperties = array(Namespaces::$iron . "prefLabel", Namespaces::$iron . "altLabel", Namespaces::$skos_2008 . "prefLabel", Namespaces::$skos_2008 . "altLabel", Namespaces::$skos_2004 . "prefLabel", Namespaces::$skos_2004 . "altLabel", Namespaces::$rdfs . "label", Namespaces::$dcterms . "title", Namespaces::$foaf . "name", Namespaces::$foaf . "givenName", Namespaces::$foaf . "family_name");
$descriptionProperties = array(Namespaces::$iron . "description", Namespaces::$dcterms . "description", Namespaces::$skos_2008 . "definition", Namespaces::$skos_2004 . "definition");
$filename = rtrim($this->ws->ontological_structure_folder, "/") . "/classHierarchySerialized.srz";
$file = fopen($filename, "r");
$classHierarchy = fread($file, filesize($filename));
$classHierarchy = unserialize($classHierarchy);
fclose($file);
if ($classHierarchy === FALSE) {
$this->ws->conneg->setStatus(500);
$this->ws->conneg->setStatusMsg("Internal Error");
$this->ws->conneg->setError($this->ws->errorMessenger->_306->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_306->name, $this->ws->errorMessenger->_306->description, "", $this->ws->errorMessenger->_306->level);
return;
}
// Index in Solr
$solr = new Solr($this->ws->wsf_solr_core, $this->ws->solr_host, $this->ws->solr_port, $this->ws->fields_index_folder);
// Used to detect if we will be creating a new field. If we are, then we will
// update the fields index once the new document will be indexed.
$indexedFields = $solr->getFieldsIndex();
$newFields = FALSE;
foreach ($irsUri as $subject) {
// Skip Bnodes indexation in Solr
// One of the prerequise is that each records indexed in Solr (and then available in Search and Browse)
// should have a URI. Bnodes are simply skiped.
if (stripos($subject, "_:arc") !== FALSE) {
continue;
}
$add = "<add><doc><field name=\"uid\">" . md5($this->ws->dataset . $subject) . "</field>";
$add .= "<field name=\"uri\">" . $this->ws->xmlEncode($subject) . "</field>";
$add .= "<field name=\"dataset\">" . $this->ws->dataset . "</field>";
// Get types for this subject.
$types = array();
foreach ($resourceIndex[$subject]["http://www.w3.org/1999/02/22-rdf-syntax-ns#type"] as $value) {
array_push($types, $value["value"]);
$add .= "<field name=\"type\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
$add .= "<field name=\"" . urlencode("http://www.w3.org/1999/02/22-rdf-syntax-ns#type") . "_attr_facets\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
}
// Use the first defined type to add the the single-valued fiedl in the Solr schema.
// This will be used to enabled sorting on (the first) type
$add .= "<field name=\"type_single_valued\">" . $this->ws->xmlEncode($resourceIndex[$subject]["http://www.w3.org/1999/02/22-rdf-syntax-ns#type"][0]["value"]) . "</field>";
// get the preferred and alternative labels for this resource
$prefLabelFound = array();
foreach ($this->ws->supportedLanguages as $lang) {
$prefLabelFound[$lang] = FALSE;
}
foreach ($labelProperties as $property) {
if (isset($resourceIndex[$subject][$property])) {
foreach ($resourceIndex[$subject][$property] as $value) {
$lang = "";
if (isset($value["lang"])) {
if (array_search($value["lang"], $this->ws->supportedLanguages) !== FALSE) {
// The language used for this string is supported by the system, so we index it in
// the good place
$lang = $value["lang"];
} else {
// The language used for this string is not supported by the system, so we
// index it in the default language
$lang = $this->ws->supportedLanguages[0];
}
} else {
// The language is not defined for this string, so we simply consider that it uses
// the default language supported by the structWSF instance
$lang = $this->ws->supportedLanguages[0];
}
if (!$prefLabelFound[$lang]) {
$prefLabelFound[$lang] = TRUE;
$add .= "<field name=\"prefLabel_" . $lang . "\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
$add .= "<field name=\"prefLabelAutocompletion_" . $lang . "\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$iron . "prefLabel") . "</field>";
$add .= "<field name=\"" . urlencode($this->ws->xmlEncode(Namespaces::$iron . "prefLabel")) . "_attr_facets\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
} else {
$add .= "<field name=\"altLabel_" . $lang . "\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$iron . "altLabel") . "</field>";
$add .= "<field name=\"" . urlencode($this->ws->xmlEncode(Namespaces::$iron . "altLabel")) . "_attr_facets\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
}
}
}
}
// If no labels are found for this resource, we use the ending of the URI as the label
if (!$prefLabelFound) {
$lang = $this->ws->supportedLanguages[0];
if (strrpos($subject, "#")) {
$add .= "<field name=\"prefLabel_" . $lang . "\">" . substr($subject, strrpos($subject, "#") + 1) . "</field>";
$add .= "<field name=\"prefLabelAutocompletion_" . $lang . "\">" . substr($subject, strrpos($subject, "#") + 1) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$iron . "prefLabel") . "</field>";
$add .= "<field name=\"" . urlencode($this->ws->xmlEncode(Namespaces::$iron . "prefLabel")) . "_attr_facets\">" . $this->ws->xmlEncode(substr($subject, strrpos($subject, "#") + 1)) . "</field>";
} elseif (strrpos($subject, "/")) {
$add .= "<field name=\"prefLabel_" . $lang . "\">" . substr($subject, strrpos($subject, "/") + 1) . "</field>";
$add .= "<field name=\"prefLabelAutocompletion_" . $lang . "\">" . substr($subject, strrpos($subject, "/") + 1) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$iron . "prefLabel") . "</field>";
$add .= "<field name=\"" . urlencode($this->ws->xmlEncode(Namespaces::$iron . "prefLabel")) . "_attr_facets\">" . $this->ws->xmlEncode(substr($subject, strrpos($subject, "/") + 1)) . "</field>";
}
}
// get the description of the resource
foreach ($descriptionProperties as $property) {
if (isset($resourceIndex[$subject][$property])) {
$lang = "";
foreach ($resourceIndex[$subject][$property] as $value) {
if (isset($value["lang"])) {
if (array_search($value["lang"], $this->ws->supportedLanguages) !== FALSE) {
// The language used for this string is supported by the system, so we index it in
// the good place
$lang = $value["lang"];
} else {
// The language used for this string is not supported by the system, so we
// index it in the default language
$lang = $this->ws->supportedLanguages[0];
}
} else {
// The language is not defined for this string, so we simply consider that it uses
// the default language supported by the structWSF instance
$lang = $this->ws->supportedLanguages[0];
}
$add .= "<field name=\"description_" . $lang . "\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$iron . "description") . "</field>";
$add .= "<field name=\"" . urlencode($this->ws->xmlEncode(Namespaces::$iron . "description")) . "_attr_facets\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
}
}
}
// Add the prefURL if available
if (isset($resourceIndex[$subject][Namespaces::$iron . "prefURL"])) {
$add .= "<field name=\"prefURL\">" . $this->ws->xmlEncode($resourceIndex[$subject][Namespaces::$iron . "prefURL"][0]["value"]) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$iron . "prefURL") . "</field>";
$add .= "<field name=\"" . urlencode($this->ws->xmlEncode(Namespaces::$iron . "prefURL")) . "_attr_facets\">" . $this->ws->xmlEncode($resourceIndex[$subject][Namespaces::$iron . "prefURL"][0]["value"]) . "</field>";
}
// If enabled, and supported by the structWSF setting, let's add any lat/long positionning to the index.
if ($this->ws->geoEnabled) {
// Check if there exists a lat-long coordinate for that resource.
if (isset($resourceIndex[$subject][Namespaces::$geo . "lat"]) && isset($resourceIndex[$subject][Namespaces::$geo . "long"])) {
$lat = str_replace(",", ".", $resourceIndex[$subject][Namespaces::$geo . "lat"][0]["value"]);
$long = str_replace(",", ".", $resourceIndex[$subject][Namespaces::$geo . "long"][0]["value"]);
// Add Lat/Long
$add .= "<field name=\"lat\">" . $this->ws->xmlEncode($lat) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$geo . "lat") . "</field>";
$add .= "<field name=\"long\">" . $this->ws->xmlEncode($long) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$geo . "long") . "</field>";
// Add hashcode
$add .= "<field name=\"geohash\">" . "{$lat},{$long}" . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$sco . "geohash") . "</field>";
// Add cartesian tiers
// Note: Cartesian tiers are not currently supported. The Lucene Java API
// for this should be ported to PHP to enable this feature.
}
$coordinates = array();
// Check if there is a polygonCoordinates property
if (isset($resourceIndex[$subject][Namespaces::$sco . "polygonCoordinates"])) {
foreach ($resourceIndex[$subject][Namespaces::$sco . "polygonCoordinates"] as $polygonCoordinates) {
$coordinates = explode(" ", $polygonCoordinates["value"]);
$add .= "<field name=\"polygonCoordinates\">" . $this->ws->xmlEncode($polygonCoordinates["value"]) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$sco . "polygonCoordinates") . "</field>";
}
}
// Check if there is a polylineCoordinates property
if (isset($resourceIndex[$subject][Namespaces::$sco . "polylineCoordinates"])) {
foreach ($resourceIndex[$subject][Namespaces::$sco . "polylineCoordinates"] as $polylineCoordinates) {
$coordinates = array_merge($coordinates, explode(" ", $polylineCoordinates["value"]));
$add .= "<field name=\"polylineCoordinates\">" . $this->ws->xmlEncode($polylineCoordinates["value"]) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$sco . "polylineCoordinates") . "</field>";
}
}
if (count($coordinates) > 0) {
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$geo . "lat") . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$geo . "long") . "</field>";
foreach ($coordinates as $key => $coordinate) {
$points = explode(",", $coordinate);
if ($points[0] != "" && $points[1] != "") {
// Add Lat/Long
$add .= "<field name=\"lat\">" . $this->ws->xmlEncode($points[1]) . "</field>";
$add .= "<field name=\"long\">" . $this->ws->xmlEncode($points[0]) . "</field>";
// Add altitude
if (isset($points[2]) && $points[2] != "") {
$add .= "<field name=\"alt\">" . $this->ws->xmlEncode($points[2]) . "</field>";
if ($key == 0) {
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$geo . "alt") . "</field>";
}
}
// Add hashcode
$add .= "<field name=\"geohash\">" . $points[1] . "," . $points[0] . "</field>";
if ($key == 0) {
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$sco . "geohash") . "</field>";
}
// Add cartesian tiers
// Note: Cartesian tiers are not currently supported. The Lucene Java API
// for this should be ported to PHP to enable this feature.
}
}
}
// Check if there is any geonames:locatedIn assertion for that resource.
if (isset($resourceIndex[$subject][Namespaces::$geoname . "locatedIn"])) {
$add .= "<field name=\"located_in\">" . $this->ws->xmlEncode($resourceIndex[$subject][Namespaces::$geoname . "locatedIn"][0]["value"]) . "</field>";
$add .= "<field name=\"" . urlencode($this->ws->xmlEncode(Namespaces::$geoname . "locatedIn")) . "_attr_facets\">" . $this->ws->xmlEncode($resourceIndex[$subject][Namespaces::$geoname . "locatedIn"][0]["value"]) . "</field>";
}
// Check if there is any wgs84_pos:alt assertion for that resource.
if (isset($resourceIndex[$subject][Namespaces::$geo . "alt"])) {
$add .= "<field name=\"alt\">" . $this->ws->xmlEncode($resourceIndex[$subject][Namespaces::$geo . "alt"][0]["value"]) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode(Namespaces::$geo . "alt") . "</field>";
}
}
$filename = rtrim($this->ws->ontological_structure_folder, "/") . "/propertyHierarchySerialized.srz";
$file = fopen($filename, "r");
$propertyHierarchy = fread($file, filesize($filename));
$propertyHierarchy = unserialize($propertyHierarchy);
fclose($file);
if ($propertyHierarchy === FALSE) {
$this->ws->conneg->setStatus(500);
$this->ws->conneg->setStatusMsg("Internal Error");
$this->ws->conneg->setError($this->ws->errorMessenger->_310->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_310->name, $this->ws->errorMessenger->_310->description, "", $this->ws->errorMessenger->_310->level);
return;
}
// When a property appears in this array, it means that it is already
// used in the Solr document we are creating
$usedSingleValuedProperties = array();
// Get properties with the type of the object
foreach ($resourceIndex[$subject] as $predicate => $values) {
if (array_search($predicate, $labelProperties) === FALSE && array_search($predicate, $descriptionProperties) === FALSE && $predicate != Namespaces::$iron . "prefURL" && $predicate != Namespaces::$geo . "long" && $predicate != Namespaces::$geo . "lat" && $predicate != Namespaces::$geo . "alt" && $predicate != Namespaces::$sco . "polygonCoordinates" && $predicate != Namespaces::$sco . "polylineCoordinates") {
foreach ($values as $value) {
if ($value["type"] == "literal") {
$lang = "";
if (isset($value["lang"])) {
if (array_search($value["lang"], $this->ws->supportedLanguages) !== FALSE) {
// The language used for this string is supported by the system, so we index it in
// the good place
$lang = $value["lang"];
} else {
// The language used for this string is not supported by the system, so we
// index it in the default language
$lang = $this->ws->supportedLanguages[0];
}
} else {
// The language is not defined for this string, so we simply consider that it uses
// the default language supported by the structWSF instance
$lang = $this->ws->supportedLanguages[0];
}
// Detect if the field currently exists in the fields index
if (!$newFields && array_search(urlencode($predicate) . "_attr_" . $lang, $indexedFields) === FALSE && array_search(urlencode($predicate) . "_attr_date", $indexedFields) === FALSE && array_search(urlencode($predicate) . "_attr_int", $indexedFields) === FALSE && array_search(urlencode($predicate) . "_attr_float", $indexedFields) === FALSE && array_search(urlencode($predicate) . "_attr_" . $lang . "_single_valued", $indexedFields) === FALSE && array_search(urlencode($predicate) . "_attr_date_single_valued", $indexedFields) === FALSE && array_search(urlencode($predicate) . "_attr_int_single_valued", $indexedFields) === FALSE && array_search(urlencode($predicate) . "_attr_float_single_valued", $indexedFields) === FALSE) {
$newFields = TRUE;
}
// Check the datatype of the datatype property
$property = $propertyHierarchy->getProperty($predicate);
if (is_array($property->range) && array_search("http://www.w3.org/2001/XMLSchema#dateTime", $property->range) !== FALSE && $this->safeDate($value["value"]) != "") {
// Check if the property is defined as a cardinality of maximum 1
// If it doesn't we consider it a multi-valued field, otherwise
// we use the single-valued version of the field.
if ($property->cardinality == 1 || $property->maxCardinality == 1) {
if (array_search($predicate, $usedSingleValuedProperties) === FALSE) {
$add .= "<field name=\"" . urlencode($predicate) . "_attr_date_single_valued\">" . $this->ws->xmlEncode($this->safeDate($value["value"])) . "</field>";
$usedSingleValuedProperties[] = $predicate;
}
} else {
$add .= "<field name=\"" . urlencode($predicate) . "_attr_date\">" . $this->ws->xmlEncode($this->safeDate($value["value"])) . "</field>";
}
} elseif (is_array($property->range) && array_search("http://www.w3.org/2001/XMLSchema#int", $property->range) !== FALSE || is_array($property->range) && array_search("http://www.w3.org/2001/XMLSchema#integer", $property->range) !== FALSE) {
// Check if the property is defined as a cardinality of maximum 1
// If it doesn't we consider it a multi-valued field, otherwise
// we use the single-valued version of the field.
if ($property->cardinality == 1 || $property->maxCardinality == 1) {
if (array_search($predicate, $usedSingleValuedProperties) === FALSE) {
$add .= "<field name=\"" . urlencode($predicate) . "_attr_int_single_valued\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
$usedSingleValuedProperties[] = $predicate;
}
} else {
$add .= "<field name=\"" . urlencode($predicate) . "_attr_int\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
}
} elseif (is_array($property->range) && array_search("http://www.w3.org/2001/XMLSchema#float", $property->range) !== FALSE) {
// Check if the property is defined as a cardinality of maximum 1
// If it doesn't we consider it a multi-valued field, otherwise
// we use the single-valued version of the field.
if ($property->cardinality == 1 || $property->maxCardinality == 1) {
if (array_search($predicate, $usedSingleValuedProperties) === FALSE) {
$add .= "<field name=\"" . urlencode($predicate) . "_attr_float_single_valued\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
$usedSingleValuedProperties[] = $predicate;
}
} else {
$add .= "<field name=\"" . urlencode($predicate) . "_attr_float\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
}
} else {
// By default, the datatype used is a literal/string
// Check if the property is defined as a cardinality of maximum 1
// If it doesn't we consider it a multi-valued field, otherwise
// we use the single-valued version of the field.
if ($property->cardinality == 1 || $property->maxCardinality == 1) {
if (array_search($predicate, $usedSingleValuedProperties) === FALSE) {
$add .= "<field name=\"" . urlencode($predicate) . "_attr_" . $lang . "_single_valued\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
$usedSingleValuedProperties[] = $predicate;
}
} else {
$add .= "<field name=\"" . urlencode($predicate) . "_attr_" . $lang . "\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
}
}
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode($predicate) . "</field>";
$add .= "<field name=\"" . urlencode($predicate) . "_attr_facets\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
/*
Check if there is a reification statement for that triple. If there is one, we index it in
the index as:
<property> <text>
Note: Eventually we could want to update the Solr index to include a new "reifiedText" field.
*/
foreach ($statementsUri as $statementUri) {
if ($resourceIndex[$statementUri]["http://www.w3.org/1999/02/22-rdf-syntax-ns#subject"][0]["value"] == $subject && $resourceIndex[$statementUri]["http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate"][0]["value"] == $predicate && $resourceIndex[$statementUri]["http://www.w3.org/1999/02/22-rdf-syntax-ns#object"][0]["value"] == $value["value"]) {
foreach ($resourceIndex[$statementUri] as $reiPredicate => $reiValues) {
if ($reiPredicate != "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" && $reiPredicate != "http://www.w3.org/1999/02/22-rdf-syntax-ns#subject" && $reiPredicate != "http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate" && $reiPredicate != "http://www.w3.org/1999/02/22-rdf-syntax-ns#object") {
foreach ($reiValues as $reiValue) {
$reiLang = "";
if (isset($reiValue["lang"])) {
if (array_search($reiValue["lang"], $this->ws->supportedLanguages) !== FALSE) {
// The language used for this string is supported by the system, so we index it in
// the good place
$reiLang = $reiValue["lang"];
} else {
// The language used for this string is not supported by the system, so we
// index it in the default language
$reiLang = $this->ws->supportedLanguages[0];
}
} else {
// The language is not defined for this string, so we simply consider that it uses
// the default language supported by the structWSF instance
$reiLang = $this->ws->supportedLanguages[0];
}
if ($reiValue["type"] == "literal") {
// Attribute used to reify information to a statement.
$add .= "<field name=\"" . urlencode($reiPredicate) . "_reify_attr\">" . $this->ws->xmlEncode($predicate) . "</field>";
$add .= "<field name=\"" . urlencode($reiPredicate) . "_reify_obj\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
$add .= "<field name=\"" . urlencode($reiPredicate) . "_reify_value_" . $reiLang . "\">" . $this->ws->xmlEncode($reiValue["value"]) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode($reiPredicate) . "</field>";
}
}
}
}
}
}
} elseif ($value["type"] == "uri") {
// Set default language
$lang = $this->ws->supportedLanguages[0];
// Detect if the field currently exists in the fields index
if (!$newFields && array_search(urlencode($predicate) . "_attr_obj_uri", $indexedFields) === FALSE && array_search(urlencode($predicate) . "_attr_obj_" . $lang, $indexedFields) === FALSE && array_search(urlencode($predicate) . "_attr_obj_" . $lang . "_single_valued", $indexedFields) === FALSE) {
$newFields = TRUE;
}
// If it is an object property, we want to bind labels of the resource referenced by that
// object property to the current resource. That way, if we have "paul" -- know --> "bob", and the
// user send a seach query for "bob", then "paul" will be returned as well.
$query = $this->ws->db->build_sparql_query("select ?p ?o where {<" . $value["value"] . "> ?p ?o.}", array('p', 'o'), FALSE);
$resultset3 = $this->ws->db->query($query);
$subjectTriples = array();
while (odbc_fetch_row($resultset3)) {
$p = odbc_result($resultset3, 1);
$o = $this->ws->db->odbc_getPossibleLongResult($resultset3, 2);
if (!isset($subjectTriples[$p])) {
$subjectTriples[$p] = array();
}
array_push($subjectTriples[$p], $o);
}
unset($resultset3);
// We allign all label properties values in a single string so that we can search over all of them.
$labels = "";
foreach ($labelProperties as $property) {
if (isset($subjectTriples[$property])) {
$labels .= $subjectTriples[$property][0] . " ";
}
}
$property = $propertyHierarchy->getProperty($predicate);
if ($labels != "") {
$labels = trim($labels);
// Check if the property is defined as a cardinality of maximum 1
// If it doesn't we consider it a multi-valued field, otherwise
// we use the single-valued version of the field.
if ($property->cardinality == 1 || $property->maxCardinality == 1) {
if (array_search($predicate, $usedSingleValuedProperties) === FALSE) {
$add .= "<field name=\"" . urlencode($predicate) . "_attr_obj_" . $lang . "_single_valued\">" . $this->ws->xmlEncode($labels) . "</field>";
$usedSingleValuedProperties[] = $predicate;
}
} else {
$add .= "<field name=\"" . urlencode($predicate) . "_attr_obj_" . $lang . "\">" . $this->ws->xmlEncode($labels) . "</field>";
}
$add .= "<field name=\"" . urlencode($predicate) . "_attr_obj_uri\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode($predicate) . "</field>";
$add .= "<field name=\"" . urlencode($predicate) . "_attr_facets\">" . $this->ws->xmlEncode($labels) . "</field>";
$add .= "<field name=\"" . urlencode($predicate) . "_attr_uri_label_facets\">" . $this->ws->xmlEncode($value["value"]) . '::' . $this->ws->xmlEncode($labels) . "</field>";
} else {
// If no label is found, we may want to manipulate the ending of the URI to create
// a "temporary" pref label for that object, and then to index it as a search string.
$pos = strripos($value["value"], "#");
if ($pos !== FALSE) {
$temporaryLabel = substr($value["value"], $pos + 1);
} else {
$pos = strripos($value["value"], "/");
if ($pos !== FALSE) {
$temporaryLabel = substr($value["value"], $pos + 1);
}
}
// Check if the property is defined as a cardinality of maximum 1
// If it doesn't we consider it a multi-valued field, otherwise
// we use the single-valued version of the field.
if ($property->cardinality == 1 || $property->maxCardinality == 1) {
if (array_search($predicate, $usedSingleValuedProperties) === FALSE) {
$add .= "<field name=\"" . urlencode($predicate) . "_attr_obj_" . $lang . "_single_valued\">" . $this->ws->xmlEncode($temporaryLabel) . "</field>";
$usedSingleValuedProperties[] = $predicate;
}
} else {
$add .= "<field name=\"" . urlencode($predicate) . "_attr_obj_" . $lang . "\">" . $this->ws->xmlEncode($temporaryLabel) . "</field>";
}
$add .= "<field name=\"" . urlencode($predicate) . "_attr_obj_uri\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode($predicate) . "</field>";
$add .= "<field name=\"" . urlencode($predicate) . "_attr_facets\">" . $this->ws->xmlEncode($temporaryLabel) . "</field>";
$add .= "<field name=\"" . urlencode($predicate) . "_attr_uri_label_facets\">" . $this->ws->xmlEncode($value["value"]) . '::' . $this->ws->xmlEncode($temporaryLabel) . "</field>";
}
/*
Check if there is a reification statement for that triple. If there is one, we index it in the
index as:
<property> <text>
Note: Eventually we could want to update the Solr index to include a new "reifiedText" field.
*/
$statementAdded = FALSE;
foreach ($statementsUri as $statementUri) {
if ($resourceIndex[$statementUri]["http://www.w3.org/1999/02/22-rdf-syntax-ns#subject"][0]["value"] == $subject && $resourceIndex[$statementUri]["http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate"][0]["value"] == $predicate && $resourceIndex[$statementUri]["http://www.w3.org/1999/02/22-rdf-syntax-ns#object"][0]["value"] == $value["value"]) {
foreach ($resourceIndex[$statementUri] as $reiPredicate => $reiValues) {
if ($reiPredicate != "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" && $reiPredicate != "http://www.w3.org/1999/02/22-rdf-syntax-ns#subject" && $reiPredicate != "http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate" && $reiPredicate != "http://www.w3.org/1999/02/22-rdf-syntax-ns#object") {
foreach ($reiValues as $reiValue) {
if ($reiValue["type"] == "literal") {
$reiLang = "";
if (isset($reiValue["lang"])) {
if (array_search($reiValue["lang"], $this->ws->supportedLanguages) !== FALSE) {
// The language used for this string is supported by the system, so we index it in
// the good place
$reiLang = $reiValue["lang"];
} else {
// The language used for this string is not supported by the system, so we
// index it in the default language
$reiLang = $this->ws->supportedLanguages[0];
}
} else {
// The language is not defined for this string, so we simply consider that it uses
// the default language supported by the structWSF instance
$reiLang = $this->ws->supportedLanguages[0];
}
// Attribute used to reify information to a statement.
$add .= "<field name=\"" . urlencode($reiPredicate) . "_reify_attr\">" . $this->ws->xmlEncode($predicate) . "</field>";
$add .= "<field name=\"" . urlencode($reiPredicate) . "_reify_obj\">" . $this->ws->xmlEncode($value["value"]) . "</field>";
$add .= "<field name=\"" . urlencode($reiPredicate) . "_reify_value_" . $reiLang . "\">" . $this->ws->xmlEncode($reiValue["value"]) . "</field>";
$add .= "<field name=\"attribute\">" . $this->ws->xmlEncode($reiPredicate) . "</field>";
$statementAdded = TRUE;
break;
}
}
}
if ($statementAdded) {
break;
}
}
}
}
}
}
}
}
// Get all types by inference
$inferredTypes = array();
foreach ($types as $type) {
$superClasses = $classHierarchy->getSuperClasses($type);
// Add the type to make the closure of the set of inferred types
array_push($inferredTypes, $type);
foreach ($superClasses as $sc) {
if (array_search($sc->name, $inferredTypes) === FALSE) {
array_push($inferredTypes, $sc->name);
}
}
}
foreach ($inferredTypes as $sc) {
$add .= "<field name=\"inferred_type\">" . $this->ws->xmlEncode($sc) . "</field>";
}
$add .= "</doc></add>";
if (!$solr->update($add)) {
$this->ws->conneg->setStatus(500);
$this->ws->conneg->setStatusMsg("Internal Error");
$this->ws->conneg->setError($this->ws->errorMessenger->_303->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_303->name, $this->ws->errorMessenger->_303->description, $solr->errorMessage . '[Debugging information: ]' . $solr->errorMessageDebug, $this->ws->errorMessenger->_303->level);
return;
}
}
if ($this->ws->solr_auto_commit === FALSE) {
if (!$solr->commit()) {
$this->ws->conneg->setStatus(500);
$this->ws->conneg->setStatusMsg("Internal Error");
$this->ws->conneg->setError($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, $this->ws->errorMessenger->_304->level);
return;
}
}
// Update the fields index if a new field as been detected.
if ($newFields) {
$solr->updateFieldsIndex();
}
}
/*
// Optimisation can be time consuming "on-the-fly" (which decrease user's experience)
if(!$solr->optimize())
{
$this->ws->conneg->setStatus(500);
$this->ws->conneg->setStatusMsg("Internal Error");
$this->ws->conneg->setStatusMsgExt("Error #crud-create-106");
return;
}
*/
}
}
}
}
$mtime = explode(' ', $mtime);
$mtime = $mtime[1] + $mtime[0];
$starttime = $mtime;
$start_datetime = date("Y-m-d h:i:s");
$requester_ip = "0.0.0.0";
if (isset($_SERVER['REMOTE_ADDR'])) {
$requester_ip = $_SERVER['REMOTE_ADDR'];
}
$parameters = "";
if (isset($_SERVER['REQUEST_URI'])) {
$parameters = $_SERVER['REQUEST_URI'];
$pos = strpos($parameters, "?");
if ($pos !== FALSE) {
$parameters = substr($parameters, $pos, strlen($parameters) - $pos);
}
} elseif (isset($_SERVER['PHP_SELF'])) {
$parameters = $_SERVER['PHP_SELF'];
}
$ws_cr = new CrudRead($uri, $dataset, $include_linksback, $include_reification, $registered_ip, $requester_ip, $include_attributes_list, $interface, $version, $lang);
$ws_cr->ws_conneg(isset($_SERVER['HTTP_ACCEPT']) ? $_SERVER['HTTP_ACCEPT'] : "", isset($_SERVER['HTTP_ACCEPT_CHARSET']) ? $_SERVER['HTTP_ACCEPT_CHARSET'] : "", isset($_SERVER['HTTP_ACCEPT_ENCODING']) ? $_SERVER['HTTP_ACCEPT_ENCODING'] : "", isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : "");
$ws_cr->process();
$ws_cr->ws_respond($ws_cr->ws_serialize());
$mtime = microtime();
$mtime = explode(" ", $mtime);
$mtime = $mtime[1] + $mtime[0];
$endtime = $mtime;
$totaltime = $endtime - $starttime;
if ($ws_cr->isLoggingEnabled()) {
$logger = new Logger("crud_read", $requester_ip, "?uri=" . $uri . "&dataset=" . $dataset . "&include_linksback=" . $include_linksback . "®istered_ip=" . $registered_ip . "&requester_ip={$requester_ip}", isset($_SERVER['HTTP_ACCEPT']) ? $_SERVER['HTTP_ACCEPT'] : "", $start_datetime, $totaltime, $ws_cr->pipeline_getResponseHeaderStatus(), isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : "");
}
//@}
public function processInterface()
{
// Make sure there was no conneg error prior to this process call
if ($this->ws->conneg->getStatus() == 200) {
$this->ws->validateQuery();
// If the query is still valid
if ($this->ws->conneg->getStatus() == 200) {
// Track the record description changes
if ($this->ws->track_delete === TRUE) {
// First check if the record is already existing for this record, within this dataset.
$ws_cr = new CrudRead($this->ws->resourceUri, $this->ws->dataset, FALSE, TRUE, $this->ws->registered_ip, $this->ws->requester_ip);
$ws_cr->ws_conneg("application/rdf+xml", "utf-8", "identity", "en");
$ws_cr->process();
$oldRecordDescription = $ws_cr->ws_serialize();
$ws_cr_error = $ws_cr->pipeline_getError();
if ($ws_cr->pipeline_getResponseHeaderStatus() != 200) {
// An error occured. Since we can't get the past state of a record, we have to send an error
// for the CrudUpdate call since we can't create a tracking record for this record.
$this->ws->conneg->setStatus(400);
$this->ws->conneg->setStatusMsg("Bad Request");
$this->ws->conneg->setError($this->ws->errorMessenger->_303->id, $this->ws->errorMessenger->ws, $this->ws->errorMessenger->_303->name, $this->ws->errorMessenger->_303->description, "We can't create a track record for the following record: " . $this->ws->resourceUri, $this->ws->errorMessenger->_303->level);
break;
}
$endpoint = "";
if ($this->ws->tracking_endpoint != "") {
// We send the query to a remove tracking endpoint
$endpoint = $this->ws->tracking_endpoint . "create/";
} else {
// We send the query to a local tracking endpoint
$endpoint = $this->ws->wsf_base_url . "/ws/tracker/create/";
}
$wsq = new WebServiceQuerier($endpoint, "post", "text/xml", "from_dataset=" . urlencode($this->ws->dataset) . "&record=" . urlencode($this->ws->resourceUri) . "&action=delete" . "&previous_state=" . urlencode($oldRecordDescription) . "&previous_state_mime=" . urlencode("application/rdf+xml") . "&performer=" . urlencode($this->ws->registered_ip) . "®istered_ip=self");
if ($wsq->getStatus() != 200) {
$this->ws->conneg->setStatus($wsq->getStatus());
$this->ws->conneg->setStatusMsg($wsq->getStatusMessage());
/*
$this->ws->conneg->setError($this->ws->errorMessenger->_302->id, $this->ws->errorMessenger->ws,
$this->ws->errorMessenger->_302->name, $this->ws->errorMessenger->_302->description, odbc_errormsg(),
$this->ws->errorMessenger->_302->level);
*/
}
unset($wsq);
}
// Delete all triples for this URI in that dataset
$query = "delete from <" . $this->ws->dataset . ">\n { \n <" . $this->ws->resourceUri . "> ?p ?o. \n }\n where\n {\n <" . $this->ws->resourceUri . "> ?p ?o. \n }";
@$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;
}
// Delete the Solr document in the Solr index
$solr = new Solr($this->ws->wsf_solr_core, $this->ws->solr_host, $this->ws->solr_port, $this->ws->fields_index_folder);
if (!$solr->deleteInstanceRecord($this->ws->resourceUri, $this->ws->dataset)) {
$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, $solr->errorMessage . '[Debugging information: ]' . $solr->errorMessageDebug, $this->ws->errorMessenger->_301->level);
return;
}
if ($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->_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, $solr->errorMessage . '[Debugging information: ]' . $solr->errorMessageDebug, $this->ws->errorMessenger->_302->level);
return;
}
}
}
}
}
