/**
* @param $index
* @param null $output
*/
public function resetIndex($index, $output = null)
{
$indexObj = $this->indexRegistry->getIndex($index);
$config = $this->configManager->getIndexConfiguration($index)->getSettings();
if (!$indexObj->exists()) {
$indexObj->create($config);
} else {
$indexObj->close();
$indexObj->setSettings($config);
$indexObj->open();
}
}
/**
* @param $index
* @param $type
* @return array
* @throws \Exception
*/
protected function getTypesToPopulate($index, $type = null)
{
$indexObj = $this->indexRegistry->getIndex($index);
if (!$indexObj) {
throw new \Exception("The index {$index} is not defined");
}
// creating index if not exists
if (!$indexObj->exists()) {
$this->resetter->resetIndex($index);
}
$typesConfig = $this->configManager->getIndexConfiguration($index)->getTypes();
if ($type) {
if (!isset($typesConfig[$type])) {
throw new \Exception("The type {$type} is not defined in this index.");
}
$typeConfig = $typesConfig[$type];
$types = array($type => $indexObj->getType($typeConfig->getType()));
} else {
$this->resetter->reset($index);
$types = array_combine(array_keys($typesConfig), array_map(function (TypeConfig $typeConfig) use($indexObj) {
return $indexObj->getType($typeConfig->getType());
}, $typesConfig));
}
return $types;
}
/**
* Transform a resource to an elastica document.
*
* @param $uri
* @param $index
* @param $type
*
* @return Document|null
*/
public function transform($uri, $index, $type)
{
if ($index && $this->serializerHelper->isTypeIndexed($index, $type)) {
$frame = $this->serializerHelper->getTypeFramePath($index, $type);
$phpClass = TypeMapper::get($type);
if (!$phpClass) {
$phpClass = "EasyRdf\\Resource";
}
$jsonLd = $this->jsonLdSerializer->serialize(new $phpClass($uri), $frame, array("includeParentClassFrame" => true));
$graph = json_decode($jsonLd, true);
if (!isset($graph['@graph'][0])) {
return;
}
$resource = $graph['@graph'][0];
$resource['@id'] = $uri;
$json = json_encode($resource);
$json = str_replace('@id', '_id', $json);
$json = str_replace('@type', '_type', $json);
$index = $this->configManager->getIndexConfiguration($index)->getElasticSearchName();
return new Document($uri, $json, $type, $index);
}
return;
}
