/**
* Performs an import operation - migrate items from source to destination.
*/
public function import()
{
// Knock off migration if the requirements haven't been met.
if (!$this->migration->checkRequirements()) {
$this->message->display($this->t('Migration @id did not meet the requirements', array('@id' => $this->migration->id())), 'error');
return MigrationInterface::RESULT_FAILED;
}
$return = MigrationInterface::RESULT_COMPLETED;
$source = $this->getSource();
$id_map = $this->migration->getIdMap();
try {
$source->rewind();
} catch (\Exception $e) {
$this->message->display($this->t('Migration failed with source plugin exception: !e', array('!e' => $e->getMessage())), 'error');
return MigrationInterface::RESULT_FAILED;
}
$destination = $this->migration->getDestinationPlugin();
while ($source->valid()) {
$row = $source->current();
if ($this->sourceIdValues = $row->getSourceIdValues()) {
// Wipe old messages, and save any new messages.
$id_map->delete($this->sourceIdValues, TRUE);
$this->saveQueuedMessages();
}
try {
$this->processRow($row);
$save = TRUE;
} catch (MigrateSkipRowException $e) {
$id_map->saveIdMapping($row, array(), MigrateIdMapInterface::STATUS_IGNORED, $this->rollbackAction);
$save = FALSE;
}
if ($save) {
try {
$destination_id_values = $destination->import($row, $id_map->lookupDestinationId($this->sourceIdValues));
if ($destination_id_values) {
// We do not save an idMap entry for config.
if ($destination_id_values !== TRUE) {
$id_map->saveIdMapping($row, $destination_id_values, $this->sourceRowStatus, $this->rollbackAction);
}
$this->successesSinceFeedback++;
$this->totalSuccesses++;
} else {
$id_map->saveIdMapping($row, array(), MigrateIdMapInterface::STATUS_FAILED, $this->rollbackAction);
if (!$id_map->messageCount()) {
$message = $this->t('New object was not saved, no error provided');
$this->saveMessage($message);
$this->message->display($message);
}
}
} catch (MigrateException $e) {
$this->migration->getIdMap()->saveIdMapping($row, array(), $e->getStatus(), $this->rollbackAction);
$this->saveMessage($e->getMessage(), $e->getLevel());
$this->message->display($e->getMessage(), 'error');
} catch (\Exception $e) {
$this->migration->getIdMap()->saveIdMapping($row, array(), MigrateIdMapInterface::STATUS_FAILED, $this->rollbackAction);
$this->handleException($e);
}
}
$this->totalProcessed++;
$this->processedSinceFeedback++;
if ($highwater_property = $this->migration->get('highwaterProperty')) {
$this->migration->saveHighwater($row->getSourceProperty($highwater_property['name']));
}
// Reset row properties.
unset($sourceValues, $destinationValues);
$this->sourceRowStatus = MigrateIdMapInterface::STATUS_IMPORTED;
if (($return = $this->checkStatus()) != MigrationInterface::RESULT_COMPLETED) {
break;
}
if ($this->timeOptionExceeded()) {
break;
}
try {
$source->next();
} catch (\Exception $e) {
$this->message->display($this->t('Migration failed with source plugin exception: !e', array('!e' => $e->getMessage())), 'error');
return MigrationInterface::RESULT_FAILED;
}
}
/**
* @TODO uncomment this
*/
#$this->progressMessage($return);
return $return;
}
