/** * Apply the callback to the contents of the resource iterator * * @param int $perBatch The number of records to group per batch transfer * * @return int Returns the number of iterated resources */ public function apply($perBatch = 50) { $this->iterated = $this->batches = $batches = 0; $that = $this; $it = $this->iterator; $callback = $this->callback; $batch = BatchBuilder::factory()->createBatchesWith(new BatchSizeDivisor($perBatch))->transferWith(new BatchClosureTransfer(function (array $batch) use($that, $callback, &$batches, $it) { $batches++; $that->dispatch('iterator_batch.before_batch', array('iterator' => $it, 'batch' => $batch)); call_user_func_array($callback, array($it, $batch)); $that->dispatch('iterator_batch.after_batch', array('iterator' => $it, 'batch' => $batch)); }))->autoFlushAt($perBatch)->build(); $this->dispatch('iterator_batch.created_batch', array('batch' => $batch)); foreach ($this->iterator as $resource) { $this->iterated++; $batch->add($resource); } $batch->flush(); $this->batches = $batches; return $this->iterated; }
/** * Factory for creating a DeleteObjectsBatch * * @param AwsClientInterface $client Client used to transfer requests * @param string $bucket Bucket that contains the objects to delete * @param string $mfa MFA token to use with the request * * @return self */ public static function factory(AwsClientInterface $client, $bucket, $mfa = null) { $batch = BatchBuilder::factory()->createBatchesWith(new BatchSizeDivisor(1000))->transferWith(new DeleteObjectsTransfer($client, $bucket, $mfa))->build(); return new self($batch); }