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<?php
namespace SMW\Elastic\Indexer;
use SMW\ApplicationFactory;
use SMW\DIWikiPage;
use SMW\MediaWiki\Job;
use SMW\Elastic\Connection\Client as ElasticClient;
use SMW\Elastic\ElasticFactory;
use SMW\SQLStore\ChangeOp\ChangeDiff;
use Title;
/**
* @license GNU GPL v2+
* @since 3.0
*
* @author mwjames
*/
class IndexerRecoveryJob extends Job {
/**
* @since 3.0
*
* @param Title $title
* @param array $params job parameters
*/
public function __construct( Title $title, $params = [] ) {
parent::__construct( 'smw.elasticIndexerRecovery', $title, $params );
$this->removeDuplicates = true;
}
/**
* @see Job::run
*
* @since 3.0
*/
public function allowRetries() {
return false;
}
/**
* @see Job::run
*
* @since 3.0
*/
public function run() {
$applicationFactory = ApplicationFactory::getInstance();
$store = $applicationFactory->getStore( '\SMW\SQLStore\SQLStore' );
$connection = $store->getConnection( 'elastic' );
// Make sure a node is available
if ( $connection->hasLock( ElasticClient::TYPE_DATA ) || !$connection->ping() ) {
if ( $connection->hasLock( ElasticClient::TYPE_DATA ) ) {
$this->params['retryCount'] = 0;
}
return $this->requeueRetry( $connection->getConfig() );
}
$elasticFactory = $applicationFactory->singleton( 'ElasticFactory' );
$this->indexer = $elasticFactory->newIndexer(
$store
);
$this->indexer->setOrigin( __METHOD__ );
$this->indexer->setLogger(
$applicationFactory->getMediaWikiLogger( 'smw-elastic' )
);
if ( $this->hasParameter( 'delete' ) ) {
$this->delete( $this->getParameter( 'delete' ) );
}
if ( $this->hasParameter( 'create' ) ) {
$this->create( $this->getParameter( 'create' ) );
}
if ( $this->hasParameter( 'index' ) ) {
$this->index(
$connection,
$applicationFactory->getCache(),
$this->getParameter( 'index' )
);
}
return true;
}
private function requeueRetry( $config ) {
// Give up!
if ( $this->getParameter( 'retryCount' ) >= $config->dotGet( 'indexer.job.recovery.retries' ) ) {
return true;
}
if ( !isset( $this->params['retryCount'] ) ) {
$this->params['retryCount'] = 1;
} else {
$this->params['retryCount']++;
}
if ( !isset( $this->params['createdAt'] ) ) {
$this->params['createdAt'] = time();
}
$job = new self( $this->title, $this->params );
$job->setDelay( 60 * 10 );
$job->insert();
}
private function delete( array $idList ) {
$this->indexer->delete( $idList );
}
private function create( $hash ) {
$this->indexer->create( DIWikiPage::doUnserialize( $hash ) );
}
private function index( $connection, $cache, $hash ) {
$subject = DIWikiPage::doUnserialize( $hash );
$text = '';
$changeDiff = ChangeDiff::fetch(
$cache,
$subject
);
if ( $connection->getConfig()->dotGet( 'indexer.raw.text', false ) ) {
$text = $this->indexer->fetchNativeData( $subject );
}
if ( $changeDiff !== false ) {
$this->indexer->index( $changeDiff, $text );
}
}
}
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