My Batch Handler Solr example

MyBatchHandler.php

<?php
…
        $documents = [];
        foreach ($jobs as [$job, $ack]) {          
            try {
                $documents[] = $this->solrService->createDocument($job->something());
                $ack->ack($job);
            } catch (\Exception $e) {
                $ack->nack($e);
            }
        }
… 
        // Index documents in Solr using Solarium PHP client
…
        $update->addDocuments($documents);
        $update->addCommit();
        $client->update($update);