public function execute()
{
global $wgRequest, $wgOut, $smwgMessageBroker, $smwgWebserviceEndpoint, $wgUser, $smwgEnableObjectLogicRules;
$wgOut->setPageTitle(wfMsg('tsa'));
$html = "";
if ($wgRequest->getVal('init') != NULL) {
// after init
smwfGetStore()->initialize(false);
$html .= $wgUser->getSkin()->makeKnownLinkObj(Title::newFromText("TSA", NS_SPECIAL), wfMsg('smw_tsa_waitsoemtime'));
$wgOut->addHTML($html);
return;
}
$html .= "<div style=\"margin-bottom:10px;\">" . wfMsg('smw_tsa_welcome') . "</div>";
global $smwgTripleStoreGraph;
TSConnection::getConnector()->connect();
try {
$status = TSConnection::getConnector()->getStatus($smwgTripleStoreGraph);
} catch (Exception $e) {
// if no connection could be created
$html .= "<div style=\"color:red;font-weight:bold;\">" . wfMsg('smw_tsa_couldnotconnect') . "</div>" . wfMsg('smw_tsa_addtoconfig') . "<pre>\$smwgMessageBroker = <IP of messagebroker>\n" . "\$smwgWebserviceEndpoint = <IP and port of SPARQL endpoint>\n\nExample:\n\n\$smwgMessageBroker = \"localhost\";\n" . "\$smwgWebserviceEndpoint = \"localhost:8080\";</pre>" . wfMsg('smw_tsa_addtoconfig2') . " <pre>enableSMWHalo('SMWHaloStore2', 'SMWTripleStore', 'http://mywiki');</pre>" . wfMsg('smw_tsa_addtoconfig3');
$smwForumLink = '<a href="http://smwforum.ontoprise.com/smwforum/index.php/Help:Installing_the_Basic_Triplestore_manually">SMW-Forum</a>';
$html .= "<br><b>" . wfMsg('smw_tsa_addtoconfig4', $smwForumLink) . "</b>";
$wgOut->addHTML($html);
return;
}
// normal
$html .= "<h2>" . wfMsg('smw_tsa_driverinfo') . "</h2>" . $status['driverInfo'] . "";
$html .= "<h2>" . wfMsg('smw_tsa_tscinfo') . "</h2>";
$html .= wfMsg('smw_tsa_tscversion') . ": " . $status['tscversion'];
// show warning when rule support is missing or defined although it is not available.
if (in_array('RULES', $status['features']) && (!isset($smwgEnableObjectLogicRules) || $smwgEnableObjectLogicRules === false)) {
$html .= "<div style=\"color:red;font-weight:bold;\">" . wfMsg('smw_tsa_rulesupport') . "</div>";
}
if (!in_array('RULES', $status['features']) && $smwgEnableObjectLogicRules === true) {
$html .= "<div style=\"color:red;font-weight:bold;\">" . wfMsg('smw_tsa_norulesupport') . "</div>";
}
$html .= "<h2>" . wfMsg('smw_tsa_status') . "</h2>";
if ($status['isInitialized'] == true) {
$html .= "<div style=\"color:green;font-weight:bold;\">" . wfMsg('smw_tsa_wikiconfigured', is_array($smwgWebserviceEndpoint) ? implode(", ", $smwgWebserviceEndpoint) : $smwgWebserviceEndpoint) . "</div>";
$tsaPage = Title::newFromText("TSA", NS_SPECIAL);
$html .= "<br><form><input name=\"init\" type=\"submit\" value=\"" . wfMsg('smw_tsa_reinitialize') . "\"/><input name=\"title\" type=\"hidden\" value=\"" . $tsaPage->getPrefixedDBkey() . "\"/></form>";
} else {
$html .= "<div style=\"color:red;font-weight:bold;\">" . wfMsg('smw_tsa_notinitalized') . "</div>" . wfMsg('smw_tsa_pressthebutton');
$tsaPage = Title::newFromText("TSA", NS_SPECIAL);
$html .= "<br><form><input name=\"init\" type=\"submit\" value=\"" . wfMsg('smw_tsa_initialize') . "\"/><input name=\"title\" type=\"hidden\" value=\"" . $tsaPage->getPrefixedDBkey() . "\"/></form>";
}
$wgOut->addHTML($html);
}
public static function getConnector()
{
if (is_null(self::$_instance)) {
global $smwgMessageBroker, $smwgWebserviceProtocol;
if (isset($smwgMessageBroker)) {
if (isset($smwgWebserviceProtocol) && strtolower($smwgWebserviceProtocol) === 'rest') {
self::$_instance = new TSConnectorMessageBrokerAndRESTWebservice();
} else {
trigger_error("SOAP requests to TSC are not supported anymore.");
}
} else {
if (isset($smwgWebserviceProtocol) && strtolower($smwgWebserviceProtocol) === 'rest') {
self::$_instance = new TSConnectorRESTWebservice();
} else {
trigger_error("SOAP requests to TSC are not supported anymore.");
}
}
}
return self::$_instance;
}
public function filterBrowse($p_array)
{
$browserFilter = new SMWOntologyBrowserFilter();
$type = $p_array[0];
$hint = explode(" ", $p_array[1]);
$hint = smwfEliminateStopWords($hint);
if ($type != 'instance') {
return parent::filterBrowse($p_array);
}
global $wgServer, $wgScript, $smwgWebserviceUser, $smwgWebservicePassword, $smwgDeployVersion;
$client = TSConnection::getConnector();
$client->connect();
try {
global $smwgTripleStoreGraph;
$dataSpace = $this->getDataSourceParameters();
//query
for ($i = 0; $i < count($hint); $i++) {
$hint[$i] = preg_quote($hint[$i]);
$hint[$i] = str_replace("\\", "\\\\", $hint[$i]);
}
$filter = "";
if (count($hint) > 0) {
$filter = "FILTER (";
for ($i = 0; $i < count($hint); $i++) {
if ($i > 0) {
$filter .= " && ";
}
$filter .= "regex(str(?s), \"{$hint[$i]}\", \"i\")";
}
$filter .= ")";
}
$response = $client->query(TSNamespaces::getW3CPrefixes() . " SELECT ?s ?cat WHERE { ?s ?p ?o. OPTIONAL { ?s rdf:type ?cat. } {$filter} }", "limit=1000{$dataSpace}");
$titles = array();
$this->parseInstances($response, $titles);
} catch (Exception $e) {
return "Internal error: " . $e->getMessage();
}
// do not show partitions. 1000 instances is maximum here.
return SMWOntologyBrowserXMLGenerator::encapsulateAsInstancePartition($titles, 1001, 0);
}
function initialize($verbose = true)
{
global $smwgMessageBroker, $smwgTripleStoreGraph, $wgDBtype, $wgDBport, $wgDBserver, $wgDBname, $wgDBuser, $wgDBpassword, $wgDBprefix, $wgLanguageCode, $smwgBaseStore, $smwgIgnoreSchema, $smwgNamespaceIndex;
$ignoreSchema = isset($smwgIgnoreSchema) && $smwgIgnoreSchema === true ? "true" : "false";
try {
$con = TSConnection::getConnector();
$sparulCommands = array();
$sparulCommands[] = "DROP SILENT GRAPH <{$smwgTripleStoreGraph}>";
// drop may fail. don't worry
$sparulCommands[] = "CREATE SILENT GRAPH <{$smwgTripleStoreGraph}>";
$sparulCommands[] = "LOAD smw://" . urlencode($wgDBuser) . ":" . urlencode($wgDBpassword) . "@{$wgDBserver}:{$wgDBport}/{$wgDBname}?lang={$wgLanguageCode}&smwstore={$smwgBaseStore}&ignoreSchema={$ignoreSchema}&smwnsindex={$smwgNamespaceIndex}#" . urlencode($wgDBprefix) . " INTO <{$smwgTripleStoreGraph}>";
$con->connect();
$con->update("/topic/WIKI.TS.UPDATE", $sparulCommands);
$con->disconnect();
} catch (Exception $e) {
}
}
function smwf_tb_getTripleStoreStatus()
{
global $smwgTripleStoreGraph;
$con = TSConnection::getConnector();
try {
$con->connect();
$statusInfo = $con->getStatus($smwgTripleStoreGraph);
$response = new AjaxResponse(json_encode($statusInfo));
$response->setContentType("application/json");
$response->setResponseCode(200);
$con->disconnect();
} catch (Exception $e) {
$response = new AjaxResponse($e->getMessage());
$response->setContentType("application/text");
$response->setResponseCode(500);
}
return $response;
}
/**
* @see superclass
*/
function getPropertySubjects(SMWPropertyValue $property, $value, $requestoptions = NULL)
{
if (!$property->isUserDefined()) {
return parent::getPropertySubjects($property, $value, $requestoptions);
}
if (smwfCheckIfPredefinedSMWHaloProperty($property)) {
return parent::getPropertyValues($subject, $property, $requestoptions, $outputformat);
}
global $smwgTripleStoreGraph;
$client = TSConnection::getConnector();
$client->connect();
$values = array();
$propertyName = $property->getWikiPageValue()->getTitle()->getDBkey();
$limit = isset($requestoptions->limit) ? " LIMIT " . $requestoptions->limit : "";
$offset = isset($requestoptions->offset) ? " OFFSET " . $requestoptions->offset : "";
$nsPrefixProp = $this->tsNamespace->getNSPrefix($property->getWikiPageValue()->getTitle()->getNamespace());
try {
if (is_null($value)) {
$response = $client->query("SELECT ?s WHERE { GRAPH ?g { ?s <{$smwgTripleStoreGraph}/{$nsPrefixProp}#{$propertyName}> ?o. } } {$limit} {$offset}", "merge=false|graph={$smwgTripleStoreGraph}");
} else {
if ($value instanceof SMWWikiPageValue) {
$objectName = $value->getTitle()->getDBkey();
$nsPrefixObj = $this->tsNamespace->getNSPrefix($value->getTitle()->getNamespace());
$response = $client->query("SELECT ?s WHERE { GRAPH ?g { ?s <{$smwgTripleStoreGraph}/{$nsPrefixProp}#{$propertyName}> <{$smwgTripleStoreGraph}/{$nsPrefixObj}#{$objectName}>. } } {$limit} {$offset}", "merge=false");
} else {
$objectvalue = str_replace('"', '\\"', array_shift($value->getDBkeys()));
$objecttype = WikiTypeToXSD::getXSDType($value->getTypeID());
$response = $client->query("SELECT ?s WHERE { GRAPH ?g { ?s <{$smwgTripleStoreGraph}/{$nsPrefixProp}#{$propertyName}> \"{$objectvalue}\"^^{$objecttype}. } } {$limit} {$offset}", "merge=false");
}
}
} catch (Exception $e) {
wfDebug("Triplestore does probably not run.\n");
$response = TSNamespaces::$EMPTY_SPARQL_XML;
}
// query
global $smwgSPARQLResultEncoding;
// PHP strings are always interpreted in ISO-8859-1 but may be actually encoded in
// another charset.
if (isset($smwgSPARQLResultEncoding) && $smwgSPARQLResultEncoding == 'UTF-8') {
$response = utf8_decode($response);
}
$dom = simplexml_load_string($response);
$annotations = array();
$results = $dom->xpath('//result');
foreach ($results as $r) {
$children = $r->children();
// binding nodes
$b = $children->binding[0];
// predicate
$sv = $b->children()->uri[0];
$title = $this->getTitleFromURI((string) $sv);
$value = SMWWikiPageValue::makePage($title->getDBkey(), $title->getNamespace());
$metadata = $sv->attributes();
foreach ($metadata as $mdProperty => $mdValue) {
if (strpos($mdProperty, "_meta_") === 0) {
$value->setMetadata(substr($mdProperty, 6), explode("|||", $mdValue));
}
}
$values[] = $value;
}
return $values;
}
