/**
* @since 2.3
*
* @param array $idList
*
* @return DIWikiPage[]
*/
public function getDataItemPoolHashListFor(array $idList)
{
$rows = $this->connection->select(\SMWSQLStore3::ID_TABLE, array('smw_title', 'smw_namespace', 'smw_iw', 'smw_subobject'), array('smw_id' => $idList), __METHOD__);
$resultIterator = $this->iteratorFactory->newResultIterator($rows);
$mappingIterator = $this->iteratorFactory->newMappingIterator($resultIterator, function ($row) {
return HashBuilder::createHashIdFromSegments($row->smw_title, $row->smw_namespace, $row->smw_iw, $row->smw_subobject);
});
return $mappingIterator;
}
public function testCanConstructMappingIterator()
{
$instance = new IteratorFactory();
$iterator = $this->getMockBuilder('\\Iterator')->disableOriginalConstructor()->getMock();
$this->assertInstanceOf('\\SMW\\Iterators\\MappingIterator', $instance->newMappingIterator($iterator, function () {
}));
}
/**
* Fetch all subobjects for a given subject using a lazy-mapping iterator
* in order to only resolve one subobject per iteration step.
*
* @since 2.5
*
* @param DIWikiPage $subject
*
* @return MappingIterator
*/
private function newMappingIterator(DIWikiPage $subject)
{
$callback = function ($row) use($subject) {
// #1955
if ($subject->getNamespace() === SMW_NS_PROPERTY) {
$property = new DIProperty($subject->getDBkey());
$subobject = $property->getCanonicalDiWikiPage($row->smw_subobject);
} else {
$subobject = new DIWikiPage($subject->getDBkey(), $subject->getNamespace(), $subject->getInterwiki(), $row->smw_subobject);
}
$subobject->setSortKey($row->smw_sortkey);
$subobject->setId($row->smw_id);
return $subobject;
};
return $this->iteratorFactory->newMappingIterator($this->newResultIterator($subject), $callback);
}
