/**
* @param Suggestion[] $suggestions
* @param string $language
* @return array[]
*/
public function createResultArray(array $suggestions, $language)
{
$entries = array();
$ids = array();
foreach ($suggestions as $suggestion) {
$id = $suggestion->getPropertyId();
$ids[] = $id;
}
//See SearchEntities
$terms = $this->termIndex->getTermsOfEntities($ids, null, array($language));
$clusteredTerms = $this->clusterTerms($terms);
foreach ($suggestions as $suggestion) {
$id = $suggestion->getPropertyId();
$entries[] = $this->buildEntry($id, $clusteredTerms, $suggestion);
}
return $entries;
}
/**
* @param EntityId[] $entityIds
* @param string[]|null $termTypes
* @param string[]|null $languageCodes
*
* @return TermIndexEntry[]
*/
private function getTermsOfEntities(array $entityIds, array $termTypes = null, array $languageCodes = null)
{
$entityIdGroups = $this->splitPageEntityMapByType($entityIds);
$terms = array();
foreach ($entityIdGroups as $entityIds) {
$terms = array_merge($terms, $this->termIndex->getTermsOfEntities($entityIds, $termTypes, $languageCodes));
}
return $terms;
}
/**
* Loads a set of terms into the buffer.
* The source from which to fetch would typically be supplied to the buffer's constructor.
*
* @param EntityId[] $entityIds
* @param string[]|null $termTypes
* @param string[]|null $languageCodes
*
* @throws StorageException
*/
public function prefetchTerms(array $entityIds, array $termTypes = null, array $languageCodes = null)
{
if (empty($entityIds)) {
return;
}
// We could first check what's already in the buffer, but it's hard to determine which
// entities are actually "fully covered" by the cached terms. Also, our current use case
// (the ChangesListInitRows hook) would generally, trigger only one call to prefetchTerms,
// before any call to getTermsOfType().
$entityIdsByType = $this->groupEntityIds($entityIds);
$terms = array();
foreach ($entityIdsByType as $entityIdGroup) {
$terms = array_merge($terms, $this->termIndex->getTermsOfEntities($entityIdGroup, $termTypes, $languageCodes));
}
$bufferedKeys = $this->setBufferedTermObjects($terms);
if (!empty($languageCodes)) {
$this->setUndefinedTerms($entityIds, $termTypes, $languageCodes, $bufferedKeys);
}
}
