/**
*
*/
public static function exportAsRdfTurtle($dataHash, $model, $titleHelperLimit, $dimensionElementLimit)
{
$c = new CubeViz_ConfigurationLink($model, $titleHelperLimit, $dimensionElementLimit);
$data = array();
// get all information to export
list($data, $dh) = $c->read($dataHash, 'data');
$graph = new EasyRdf_Graph();
EasyRdf_Namespace::set('qb', 'http://purl.org/linked-data/cube#');
/**
* selected data structure definition
*/
foreach ($data['dataStructureDefinitions'] as $element) {
if ($data['selectedDSD']['__cv_uri'] == $element['__cv_uri']) {
// go through all non-cubeviz element values
foreach ($element as $predicateUri => $object) {
// no cubeviz internal information, its plain from the store
if (false === strstr($predicateUri, '__cv_')) {
CubeViz_Exporter::handleNonCVObjects($element['__cv_uri'], $predicateUri, $object, $graph);
}
}
}
}
/**
* selected data set
*/
foreach ($data['dataSets'] as $element) {
if ($data['selectedDS']['__cv_uri'] == $element['__cv_uri']) {
// go through all non-cubeviz element values
foreach ($element as $predicateUri => $object) {
// no cubeviz internal information, its plain from the store
if (false === strstr($predicateUri, '__cv_')) {
CubeViz_Exporter::handleNonCVObjects($element['__cv_uri'], $predicateUri, $object, $graph);
}
}
}
}
/**
* selected components: component specifications of the dimensions
*/
foreach ($data['selectedComponents']['dimensions'] as $element) {
// go through all non-cubeviz element values
foreach ($element as $predicateUri => $object) {
// no cubeviz internal information, its plain from the store
if (false === strstr($predicateUri, '__cv_')) {
CubeViz_Exporter::handleNonCVObjects($element['__cv_uri'], $predicateUri, $object, $graph);
}
}
// dimension itself
$dimension = $element['http://purl.org/linked-data/cube#dimension'];
$graph->addResource($dimension, 'rdf:type', 'qb:DimensionProperty');
// dimension elements
foreach ($element['__cv_elements'] as $dimension) {
// go through all non-cubeviz element values
foreach ($dimension as $predicateUri => $object) {
// no cubeviz internal information, its plain from the store
if (false === strstr($predicateUri, '__cv_')) {
CubeViz_Exporter::handleNonCVObjects($element['__cv_uri'], $predicateUri, $object, $graph);
}
}
}
}
/**
* selected components: component specifications of the selected attribute
*/
if (true === isset($data['selectedComponents']['attribute']) && true === is_array($data['selectedComponents']['attribute']) && 0 < count($data['selectedComponents']['attribute'])) {
foreach ($data['selectedComponents']['attribute'] as $predicateUri => $object) {
// no cubeviz internal information, its plain from the store
if (false === strstr($predicateUri, '__cv_')) {
CubeViz_Exporter::handleNonCVObjects($data['selectedComponents']['attribute']['__cv_uri'], $predicateUri, $object, $graph);
}
}
$unit = $data['selectedComponents']['attribute']['http://purl.org/linked-data/cube#attribute'];
$graph->addResource($unit, 'rdf:type', 'qb:AttributeProperty');
}
/**
* selected components: component specifications of the selected measure
*/
foreach ($data['selectedComponents']['measure'] as $predicateUri => $object) {
// no cubeviz internal information, its plain from the store
if (false === strstr($predicateUri, '__cv_')) {
CubeViz_Exporter::handleNonCVObjects($data['selectedComponents']['measure']['__cv_uri'], $predicateUri, $object, $graph);
}
}
$measure = $data['selectedComponents']['measure']['http://purl.org/linked-data/cube#measure'];
$graph->addResource($measure, 'rdf:type', 'qb:MeasureProperty');
/**
* Observations
*/
foreach ($data['retrievedObservations'] as $element) {
foreach ($element as $predicateUri => $object) {
// no cubeviz internal information, its plain from the store
if (false === strstr($predicateUri, '__cv_')) {
CubeViz_Exporter::handleNonCVObjects($element['__cv_uri'], $predicateUri, $object, $graph);
}
}
}
return "#" . PHP_EOL . "# CubeViz Export of data hash " . $dataHash . PHP_EOL . "#" . PHP_EOL . PHP_EOL . $graph->serialise('turtle');
}
