/**
* @file
* @ingroup SMWHaloTriplestore
*
* Simple contributor only updates the 'has type' annotations.
*
* Called when property annotations get updated in a triple store.
*
* @param $semData All semantic data (for context)
* @param $property Currently processed property
* @param $propertyValueArray Values of current property
* @param $triplesFromHook Triples which are returned.
*
* @return Array of triples or false. If return value is a non-empty array processing stops for this property. Same if it is explicitly false.
* Otherwise normal processing goes on.
*/
function smwfTripleStorePropertyUpdate(&$data, &$property, &$propertyValueArray, &$triplesFromHook)
{
global $smwgTripleStoreGraph;
if (!$property instanceof SMWPropertyValue) {
// error. should not happen
trigger_error("Triple store update: property is not SMWPropertyValue");
return true;
}
// check if it is a property with special semantics
// check for 'has domain, range' and 'is inverse of' and 'has type'
// 'has min cardinality' and 'has max cardinality are read implictly when processing 'has domain and range'
// and therefore ignored.
$allProperties = $data->getProperties();
if (smwfGetSemanticStore()->inverseOf->getDBkey() == array_shift($property->getDBkeys())) {
foreach ($propertyValueArray as $inverseProps) {
if (count($propertyValueArray) == 1) {
$triplesFromHook[] = array("<{$smwgTripleStoreGraph}/property#" . $data->getSubject()->getDBkey() . ">", "owl:inverseOf", "<{$smwgTripleStoreGraph}/property#" . $inverseProps->getDBkey() . ">");
}
}
} elseif ($property->getPropertyID() == "_TYPE") {
// insert RDFS range/domain
foreach ($propertyValueArray as $value) {
$typeID = array_shift($value->getDBkeys());
if ($typeID != '_wpg') {
$triplesFromHook[] = array("<{$smwgTripleStoreGraph}/property#" . $data->getSubject()->getDBkey() . ">", "<{$smwgTripleStoreGraph}/property#Has_type>", WikiTypeToXSD::getXSDType($typeID));
}
}
}
return true;
}
private function getLiteral($literal, $predicate)
{
list($literalValue, $literalType) = $literal;
if (!empty($literalValue)) {
// create SMWDataValue either by property or if that is not possible by the given XSD type
if ($predicate instanceof SMWPropertyValue) {
$value = SMWDataValueFactory::newPropertyObjectValue($predicate, $literalValue);
} else {
$value = SMWDataValueFactory::newTypeIDValue(WikiTypeToXSD::getWikiType($literalType));
}
if ($value->getTypeID() == '_dat') {
// exception for dateTime
if ($literalValue != '') {
$value->setDBkeys(array(str_replace("-", "/", $literalValue)));
}
} else {
if ($value->getTypeID() == '_ema') {
// exception for email
$value->setDBkeys(array($literalValue));
} else {
$value->setUserValue($literalValue);
}
}
} else {
if ($predicate instanceof SMWPropertyValue) {
$value = SMWDataValueFactory::newPropertyObjectValue($predicate);
} else {
$value = SMWDataValueFactory::newTypeIDValue('_wpg');
}
}
return $value;
}
/**
* Gets an array of literal tuples (value, type, metadata-uri) and creates according
* SMWDataValue objects.
*
* @param array Tuple (string value, string xsd-type, hash array metadata) $literals
* @param PrintRequest $pr QueryPrinter contains property and thus denotes type (optional)
* @param array SMWDataValue (out) & $allValues
*/
protected function addLiteralToResult($literals, $pr, &$allValues)
{
foreach ($literals as $literal) {
list($literalValue, $literalType, $metadata) = $literal;
$property = !is_null($pr) ? $pr->getData() : NULL;
if (!empty($literalValue)) {
// create SMWDataValue either by property or if that is not possible by the given XSD type
if ($property instanceof SMWPropertyValue) {
$propertyTitle = Title::newFromText($pr->getData()->getText(), SMW_NS_PROPERTY);
if (!$propertyTitle->exists()) {
// fallback if property does not exist, then use tyoe
$value = SMWDataValueFactory::newTypeIDValue(WikiTypeToXSD::getWikiType($literalType));
} else {
$value = SMWDataValueFactory::newPropertyObjectValue($pr->getData(), $literalValue);
}
} else {
$value = SMWDataValueFactory::newTypeIDValue(WikiTypeToXSD::getWikiType($literalType));
}
if ($value->getTypeID() == '_dat') {
// exception for dateTime
if ($literalValue != '') {
// do not display time if it is 00:00:00
if (substr($literalValue, -9) == 'T00:00:00') {
$literalValue = substr($literalValue, 0, strpos($literalValue, "T"));
}
$value->setDBkeys(array(str_replace("-", "/", $literalValue)));
}
} else {
if ($value->getTypeID() == '_ema' || $value->getTypeID() == '_tel') {
// exception for email
$value->setDBkeys(array($literalValue));
} else {
$value->setUserValue($literalValue);
}
}
} else {
if ($property instanceof SMWPropertyValue) {
$value = SMWDataValueFactory::newPropertyObjectValue($property);
} else {
$value = SMWDataValueFactory::newTypeIDValue('_wpg');
}
}
foreach ($metadata as $mdProperty => $mdValue) {
if (strpos($mdProperty, "_meta_") === 0) {
$value->setMetadata(substr($mdProperty, 6), explode("|||", $mdValue));
}
}
$allValues[] = $value;
}
}
/**
* @file
* @ingroup SMWHaloTriplestore
*
* Schema contributor tries to add all schema information from the wiki
* Warning: may created complex models.
*
* Called when property annotations get updated in a triple store.
*
* @param $semData All semantic data (for context)
* @param $property Currently processed property
* @param $propertyValueArray Values of current property
* @param $triplesFromHook Triples which are returned.
*
* @return Array of triples or false. If return value is a non-empty array processing stops for this property. Same if it is explicitly false.
* Otherwise normal processing goes on.
*/
function smwfTripleStorePropertyUpdate(&$data, &$property, &$propertyValueArray, &$triplesFromHook)
{
global $smwgTripleStoreGraph;
if (!$property instanceof SMWPropertyValue) {
// error. should not happen
trigger_error("Triple store update: property is not SMWPropertyValue");
return true;
}
// check if it is a property with special semantics
// check for 'has domain, range' and 'is inverse of' and 'has type'
// 'has min cardinality' and 'has max cardinality are read implictly when processing 'has domain and range'
// and therefore ignored.
$allProperties = $data->getProperties();
if (smwfGetSemanticStore()->domainRangeHintRelation->getDBkey() == array_shift($property->getDBkeys())) {
foreach ($propertyValueArray as $domRange) {
if (!$domRange instanceof SMWRecordValue) {
continue;
}
// occurs if 'has domain and range' is not n-ary
if (count($domRange->getDVs()) == 2) {
$dvs = $domRange->getDVs();
if ($dvs[0] != NULL && $dvs[1] != NULL && $dvs[0]->isValid() && $dvs[1]->isValid()) {
// domain and range
$minCard = $data->getPropertyValues(smwfGetSemanticStore()->minCardProp);
$maxCard = $data->getPropertyValues(smwfGetSemanticStore()->maxCardProp);
// insert RDFS
$triplesFromHook[] = array("<{$smwgTripleStoreGraph}/property#" . $data->getSubject()->getDBkey() . ">", "rdfs:domain", "cat:" . $dvs[0]->getDBkey());
$triplesFromHook[] = array("<{$smwgTripleStoreGraph}/property#" . $data->getSubject()->getDBkey() . ">", "rdfs:range", "cat:" . $dvs[1]->getDBkey());
// insert OWL
$triplesFromHook[] = array("<{$smwgTripleStoreGraph}/category#" . $dvs[0]->getDBkey() . ">", "rdfs:subClassOf", "_:1");
$triplesFromHook[] = array("_:1", "owl:Restriction", "_:2");
$triplesFromHook[] = array("_:2", "owl:onProperty", "<{$smwgTripleStoreGraph}/property#" . $data->getSubject()->getDBkey() . ">");
$triplesFromHook[] = array("_:2", "owl:allValuesFrom", "<{$smwgTripleStoreGraph}/category#" . $dvs[1]->getDBkey() . ">");
foreach ($minCard as $value) {
if (array_shift($value->getDBkeys()) !== false) {
$triplesFromHook[] = array("_:2", "owl:minCardinality", "\"" . array_shift($value->getDBkeys()) . "\"");
}
}
foreach ($maxCard as $value) {
if (array_shift($value->getDBkeys()) !== false) {
$triplesFromHook[] = array("_:2", "owl:minCardinality", "\"" . array_shift($value->getDBkeys()) . "\"");
}
}
} elseif ($dvs[0] != NULL && $dvs[0]->isValid()) {
// only domain
$typeValues = $data->getPropertyValues(SMWPropertyValue::makeProperty("_TYPE"));
$minCard = $data->getPropertyValues(smwfGetSemanticStore()->minCardProp);
$maxCard = $data->getPropertyValues(smwfGetSemanticStore()->maxCardProp);
// insert RDFS
$triplesFromHook[] = array("prop:" . $data->getSubject()->getDBkey(), "rdfs:domain", "<{$smwgTripleStoreGraph}/category#" . $dvs[0]->getDBkey() . ">");
foreach ($typeValues as $value) {
if (array_shift($value->getDBkeys()) !== false) {
$typeID = array_shift($value->getDBkeys());
if ($typeID != '_wpg') {
$triplesFromHook[] = array("<{$smwgTripleStoreGraph}/property#" . $data->getSubject()->getDBkey() . ">", "rdfs:range", WikiTypeToXSD::getXSDType($typeID));
}
}
}
// insert OWL
$triplesFromHook[] = array("<{$smwgTripleStoreGraph}/category#" . $dvs[0]->getDBkey() . ">", "rdfs:subClassOf", "_:1");
$triplesFromHook[] = array("_:1", "owl:Restriction", "_:2");
$triplesFromHook[] = array("_:2", "owl:onProperty", "<{$smwgTripleStoreGraph}/property#" . $data->getSubject()->getDBkey() . ">");
foreach ($typeValues as $value) {
if (array_shift($value->getDBkeys()) !== false) {
$triplesFromHook[] = array("_:2", "owl:allValuesFrom", WikiTypeToXSD::getXSDType(array_shift($value->getDBkeys())));
}
}
foreach ($minCard as $value) {
if (array_shift($value->getDBkeys()) !== false) {
$triplesFromHook[] = array("_:2", "owl:minCardinality", "\"" . array_shift($value->getDBkeys()) . "\"");
}
}
foreach ($maxCard as $value) {
if (array_shift($value->getDBkeys()) !== false) {
$triplesFromHook[] = array("_:2", "owl:maxCardinality", "\"" . array_shift($value->getDBkeys()) . "\"");
}
}
}
}
}
} elseif (smwfGetSemanticStore()->inverseOf->getDBkey() == array_shift($property->getDBkeys())) {
foreach ($propertyValueArray as $inverseProps) {
if (count($propertyValueArray) == 1) {
$triplesFromHook[] = array("<{$smwgTripleStoreGraph}/property#" . $data->getSubject()->getDBkey() . ">", "owl:inverseOf", "<{$smwgTripleStoreGraph}/property#" . $inverseProps->getDBkey() . ">");
}
}
} elseif (smwfGetSemanticStore()->minCard->getDBkey() == array_shift($property->getDBkeys())) {
// do nothing
$triplesFromHook = false;
} elseif (smwfGetSemanticStore()->maxCard->getDBkey() == array_shift($property->getDBkeys())) {
// do nothing
$triplesFromHook = false;
} elseif ($property->getPropertyID() == "_TYPE") {
// serialize type only if there is no domain and range annotation
$domRanges = $data->getPropertyValues(smwfGetSemanticStore()->domainRangeHintProp);
if (count($domRanges) == 0) {
// insert only if domain and range annotation does not exist
// insert OWL restrictions
$minCard = $data->getPropertyValues(smwfGetSemanticStore()->minCardProp);
$maxCard = $data->getPropertyValues(smwfGetSemanticStore()->maxCardProp);
$triplesFromHook[] = array("<{$smwgTripleStoreGraph}/property#DefaultRootCategory>", "rdfs:subClassOf", "_:1");
$triplesFromHook[] = array("_:1", "owl:Restriction", "_:2");
$triplesFromHook[] = array("_:2", "owl:onProperty", "<{$smwgTripleStoreGraph}/property#" . $data->getSubject()->getDBkey() . ">");
foreach ($propertyValueArray as $value) {
if (array_shift($value->getDBkeys()) !== false) {
$typeID = array_shift($value->getDBkeys());
$triplesFromHook[] = array("_:2", "owl:allValuesFrom", WikiTypeToXSD::getXSDType($typeID));
}
}
foreach ($minCard as $value) {
if (array_shift($value->getDBkeys()) !== false) {
$triplesFromHook[] = array("_:2", "owl:minCardinality", "\"" . array_shift($value->getDBkeys()) . "\"");
}
}
foreach ($maxCard as $value) {
if (array_shift($value->getDBkeys()) !== false) {
$triplesFromHook[] = array("_:2", "owl:maxCardinality", "\"" . array_shift($value->getDBkeys()) . "\"");
}
}
// insert RDFS range/domain
foreach ($propertyValueArray as $value) {
$typeID = array_shift($value->getDBkeys());
//$triplesFromHook[] = array("prop:".$data->getSubject()->getDBkey(), "rdfs:domain", "cat:DefaultRootCategory");
if ($typeID != '_wpg') {
$triplesFromHook[] = array("<{$smwgTripleStoreGraph}/property#" . $data->getSubject()->getDBkey() . ">", "rdfs:range", WikiTypeToXSD::getXSDType($typeID));
}
}
}
// insert Has type
foreach ($propertyValueArray as $value) {
$typeID = array_shift($value->getDBkeys());
if ($typeID != '_wpg') {
$triplesFromHook[] = array("<{$smwgTripleStoreGraph}/property#" . $data->getSubject()->getDBkey() . ">", "Has_type", WikiTypeToXSD::getXSDType($typeID));
}
}
}
return true;
}