/**
* Retrieve a batch of documents.
*
* @param array $ids Array of document identifiers
* @param ParamBag $params Search backend parameters
*
* @return RecordCollectionInterface
*/
public function retrieveBatch($ids, ParamBag $params = null)
{
$onCampus = null !== $params ? $params->get('onCampus') : [false];
$onCampus = $onCampus ? $onCampus[0] : false;
// Load 100 records at a time; this is a good number to avoid memory
// problems while still covering a lot of ground.
$pageSize = 100;
// Retrieve records a page at a time:
$results = false;
while (count($ids) > 0) {
$currentPage = array_splice($ids, 0, $pageSize, []);
try {
$response = $this->connector->getRecords($currentPage, $this->connector->getInstitutionCode(), $onCampus);
} catch (\Exception $e) {
throw new BackendException($e->getMessage(), $e->getCode(), $e);
}
$next = $this->createRecordCollection($response);
if (!$results) {
$results = $next;
} else {
foreach ($next->getRecords() as $record) {
$results->add($record);
}
}
}
$this->injectSourceIdentifier($results);
return $results;
}
/**
* Retrieve a single document.
*
* @param string $id Document identifier
* @param ParamBag $params Search backend parameters
*
* @return RecordCollectionInterface
*/
public function retrieve($id, ParamBag $params = null)
{
try {
$response = $this->connector->getRecord($id, $this->connector->getInstitutionCode());
} catch (\Exception $e) {
throw new BackendException($e->getMessage(), $e->getCode(), $e);
}
$collection = $this->createRecordCollection($response);
$this->injectSourceIdentifier($collection);
return $collection;
}
