/**
* Returns the plain SPARQL string of this query.
*
* @param bool $includePrefixes
* @return string
* @throws InvalidArgumentException
* @throws RangeException
*/
public function getSPARQL($includePrefixes = true)
{
if (!is_bool($includePrefixes)) {
throw new InvalidArgumentException('$includePrefixes has to be a bool');
}
$this->usageValidator->validate();
$sparql = $includePrefixes ? $this->prefixBuilder->getSPARQL() : '';
$sparql .= 'SELECT ' . $this->uniqueness . $this->formatSelects() . ' WHERE';
$sparql .= ' {' . $this->graphBuilder->getSPARQL() . ' }';
$sparql .= $this->modifierBuilder->getSPARQL();
return $sparql;
}
private function getGraphBuilder($subject, $predicate, $object)
{
if ($subject instanceof GraphBuilder) {
return $subject;
}
$graphBuilder = new GraphBuilder($this->usageValidator);
return $graphBuilder->where($subject, $predicate, $object);
}
public function testGetSPARQL()
{
$graphBuilder = new GraphBuilder(new UsageValidator());
$graphBuilder->where('?a', '?b', '?c');
$graphBuilder->also('?x', '?y');
$graphBuilder->also('?z');
$graphBuilder->where('?a', '?b', '?z');
$this->assertEquals(' ?a ?b ?c , ?z ; ?x ?y , ?z .', $graphBuilder->getSPARQL());
}