protected function onJobScheduledForExecution($job_message)
{
$delivery_info = $job_message->delivery_info;
$channel = $delivery_info['channel'];
$delivery_tag = $delivery_info['delivery_tag'];
$job_state = JsonToolkit::parse($job_message->body);
$job = $this->job_service->createJob($job_state);
try {
$job->run();
} catch (Exception $error) {
throw $error;
if ($job->getStrategy()->canRetry()) {
$this->job_service->retry($job, $delivery_info['exchange'] . '.waiting');
} else {
$this->job_service->fail($job, ['error_message' => $error->getMessage(), 'error_trace' => $error->getTraceAsString()]);
}
}
// acknowledge the message to remove it from the event queue.
// an 'ack' is effectively the same as a 'nack'.
$channel->basic_ack($delivery_tag);
}
protected function getTypeMappings(MigrationTarget $migration_target)
{
$mappings = [];
$paths = (array) $this->getTypeMappingPaths($migration_target);
foreach ($paths as $type_name => $mapping_file) {
if (!is_readable($mapping_file)) {
throw new RuntimeError(sprintf('Unable to read type-mapping at: %s', $mapping_file));
}
$mappings[$type_name] = JsonToolkit::parse(file_get_contents($mapping_file));
}
return $mappings;
}
protected function tryToReadPayload()
{
$serialized_payload = fgets($this->file_pointer);
if (!$serialized_payload) {
return new BulkStreamError(BulkStreamError::INVALID_FORMAT, "Reached EOF, but was expecting payload for current metadata of the given bulk-operation.");
}
try {
return JsonToolkit::parse($serialized_payload);
} catch (ParseError $parse_error) {
return new BulkStreamError(BulkStreamError::INVALID_PAYLOAD, "Failed to parse payload for the given bulk-operation. Reason: " . $parse_error->getMessage());
}
}