public function addLink($predicate, Erfurt_Sparql_Query2_Abstraction_ClassNode $target)
{
if (is_string($predicate)) {
$predicate = new Erfurt_Sparql_Query2_IriRef($predicate);
}
if (!$predicate instanceof Erfurt_Sparql_Query2_IriRef) {
throw new RuntimeException('Argument 1 passed to Erfurt_Sparql_Query2_Abstraction_ClassNode::addFilter must be an instance of Erfurt_Sparql_Query2_IriRef instance of ' . typeHelper($predicate) . ' given');
}
$this->outgoinglinks[] = new Erfurt_Sparql_Query2_Abstraction_Link($predicate, $target);
$this->query->getWhere()->addElement(new Erfurt_Sparql_Query2_Triple($this->classVar, $predicate, new Erfurt_Sparql_Query2_Var($target->getClass()->getIri())));
return $this;
//for chaining
}
/**
* addNode
*
* add a node to the tree of class-nodes
*
* @param Erfurt_Sparql_Query2_Abstraction_ClassNode $sourceNode where in the tree of nodes should the new node be added
* @param Erfurt_Sparql_Query2_IriRef|string $LinkPredicate over which predicate you want to link
* @param Erfurt_Sparql_Query2_IriRef|string|null $targetClass can be used to link to a subset of all possible
* @param bool $withChilds wether to include subclasses of $class
* @param string|null $varName the var-name to be used for instances of this class
* @param string $member_predicate the predicate that stands between the class und its instances (mostly rdf:type)
* @return Erfurt_Sparql_Query2_Abstraction_ClassNode the new node
*/
public function addNode(Erfurt_Sparql_Query2_Abstraction_ClassNode $sourceNode, $LinkPredicate, $targetClass = null, $withChilds = true, $varName = null, $member_predicate = EF_RDF_TYPE)
{
// hack for overloaded functioncalls
if (!$LinkPredicate instanceof Erfurt_Sparql_Query2_IriRef) {
if (is_string($LinkPredicate)) {
$LinkPredicate = new Erfurt_Sparql_Query2_IriRef($LinkPredicate);
} else {
throw new RuntimeException("Argument 2 passed to Erfurt_Sparql_Query2_Abstraction::addNode must be an instance of Erfurt_Sparql_Query2_IriRef or string, instance of " . typeHelper($LinkPredicate) . " given");
}
}
if ($targetClass == null) {
//TODO: find type of referenced objects
}
//add link from source node to new node
$newnode = new Erfurt_Sparql_Query2_Abstraction_ClassNode($targetClass, $member_predicate, $this->query, $varName, $withChilds);
$sourceNode->addLink($LinkPredicate, $newnode);
return $newnode;
//for chaining
}
/**
* Adds a property to the properties fetched for every resource.
*
* @param $propertyUri The URI of the property
* @param $propertyName Name to be used for the variable
*
* @return OntoWiki_Model_Instances
*/
public function addShownProperty($propertyUri, $propertyName = null, $inverse = false, $datatype = null, $hidden = false)
{
if (in_array($propertyUri, $this->_ignoredShownProperties)) {
return $this;
//no action
}
if (!$propertyName) {
$propertyName = preg_replace('/^.*[#\\/]/', '', $propertyUri);
$propertyName = str_replace('-', '', $propertyName);
}
$used = false;
foreach ($this->_shownProperties as $shownProp) {
if ($shownProp['name'] == $propertyName) {
$used = true;
}
}
//solve duplicate name problem by adding counter
if ($used) {
$counter = 2;
while ($used) {
$name = $propertyName . $counter;
++$counter;
$used = false;
foreach ($this->_shownProperties as $shownProp) {
if ($shownProp['name'] == $name) {
$used = true;
}
}
}
$propertyName = $name;
}
$ret = Erfurt_Sparql_Query2_Abstraction_ClassNode::addShownPropertyHelper($this->_valueQuery, $this->_resourceVar, $propertyUri, $propertyName, $inverse);
$this->_shownProperties[$propertyUri . '-' . ($inverse ? 'inverse' : 'direct')] = array('uri' => $propertyUri, 'name' => $propertyName, 'inverse' => $inverse, 'datatype' => $datatype, 'varName' => $ret['var']->getName(), 'var' => $ret['var'], 'optionalpart' => $ret['optional'], 'filter' => $ret['filter'], 'hidden' => $hidden);
$this->_valuesUptodate = false;
// getValues will not use the cache next time
$this->_resultsUptodate = false;
return $this;
}
