/**
* Reindex documents from an old index to a new index.
*
* @link https://www.elastic.co/guide/en/elasticsearch/guide/master/reindex.html
*
* @param \Elastica\Index $oldIndex
* @param \Elastica\Index $newIndex
* @param array $options keys: CrossIndex::OPTION_* constants
*
* @return \Elastica\Index The new index object
*/
public static function reindex(Index $oldIndex, Index $newIndex, array $options = array())
{
// prepare search
$search = new Search($oldIndex->getClient());
$options = array_merge(array(self::OPTION_TYPE => null, self::OPTION_QUERY => new MatchAll(), self::OPTION_EXPIRY_TIME => '1m', self::OPTION_SIZE_PER_SHARD => 1000), $options);
$search->addIndex($oldIndex);
if (isset($options[self::OPTION_TYPE])) {
$type = $options[self::OPTION_TYPE];
$search->addTypes(is_array($type) ? $type : array($type));
}
$search->setQuery($options[self::OPTION_QUERY]);
// search on old index and bulk insert in new index
$scanAndScroll = new ScanAndScroll($search, $options[self::OPTION_EXPIRY_TIME], $options[self::OPTION_SIZE_PER_SHARD]);
foreach ($scanAndScroll as $resultSet) {
$bulk = new Bulk($newIndex->getClient());
$bulk->setIndex($newIndex);
foreach ($resultSet as $result) {
$action = new Bulk\Action();
$action->setType($result->getType());
$action->setId($result->getId());
$action->setSource($result->getData());
$bulk->addAction($action);
}
$bulk->send();
}
$newIndex->refresh();
return $newIndex;
}
/**
* {@inheritdoc}
* @see \Silex\ServiceProviderInterface::register()
*/
public function register(Application $app)
{
$app['elastic.client'] = $app->share(function () use($app) {
$config = $app['config']('elastic.connection', array());
$client = new Client($config);
return $client;
});
$app['elastic.bulk'] = $app->protect(function ($index) use($app) {
$bulk = new Bulk($app['elastic.client']);
$bulk->setIndex($index);
return $bulk;
});
$app['elastic.document'] = $app->protect(function ($type, array $data) {
$document = new Document();
$document->setType($type);
$document->setData($data);
return $document;
});
}
/**
* Deletes documents with the given ids, index, type from the index
*
* @throws \Elastica\Exception\InvalidException
* @link http://www.elastic.co/guide/en/elasticsearch/reference/current/docs-bulk.html
*
* @param array $ids Document ids
* @param string|\Elastica\Index $index Index name
* @param string|\Elastica\Type $type Type of documents
* @param string|false $routing Optional routing key for all ids
* @return \Elastica\Bulk\ResponseSet Response object
*/
public function deleteIds(array $ids, $index, $type, $routing = false)
{
if (empty($ids)) {
throw new InvalidException('Array has to consist of at least one id');
}
$bulk = new Bulk($this);
$bulk->setIndex($index);
$bulk->setType($type);
foreach ($ids as $id) {
$action = new Action(Action::OP_TYPE_DELETE);
$action->setId($id);
if (!empty($routing)) {
$action->setRouting($routing);
}
$bulk->addAction($action);
}
return $bulk->send();
}
/**
* @group unit
*/
public function testGetPath()
{
$client = $this->_getClient();
$bulk = new Bulk($client);
$this->assertEquals('_bulk', $bulk->getPath());
$indexName = 'testIndex';
$bulk->setIndex($indexName);
$this->assertEquals($indexName . '/_bulk', $bulk->getPath());
$typeName = 'testType';
$bulk->setType($typeName);
$this->assertEquals($indexName . '/' . $typeName . '/_bulk', $bulk->getPath());
}
