/**
* {@inheritdoc}
*/
public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration)
{
parent::__construct($configuration, $plugin_id, $plugin_definition);
$this->migration = $migration;
// Set up some defaults based on the source configuration.
$this->cacheCounts = !empty($configuration['cache_counts']);
$this->skipCount = !empty($configuration['skip_count']);
$this->cacheKey = !empty($configuration['cache_key']) ? $configuration['cache_key'] : NULL;
$this->trackChanges = !empty($configuration['track_changes']) ? $configuration['track_changes'] : FALSE;
$this->idMap = $this->migration->getIdMap();
// Pull out the current highwater mark if we have a highwater property.
if ($this->highWaterProperty = $this->migration->getHighWaterProperty()) {
$this->originalHighWater = $this->migration->getHighWater();
}
// Don't allow the use of both highwater and track changes together.
if ($this->highWaterProperty && $this->trackChanges) {
throw new MigrateException('You should either use a highwater mark or track changes not both. They are both designed to solve the same problem');
}
}
/**
* {@inheritdoc}
*/
public function import()
{
// Only begin the import operation if the migration is currently idle.
if ($this->migration->getStatus() !== MigrationInterface::STATUS_IDLE) {
$this->message->display($this->t('Migration @id is busy with another operation: @status', array('@id' => $this->migration->id(), '@status' => $this->t($this->migration->getStatusLabel()))), 'error');
return MigrationInterface::RESULT_FAILED;
}
$this->getEventDispatcher()->dispatch(MigrateEvents::PRE_IMPORT, new MigrateImportEvent($this->migration));
// Knock off migration if the requirements haven't been met.
try {
$this->migration->checkRequirements();
} catch (RequirementsException $e) {
$this->message->display($this->t('Migration @id did not meet the requirements. @message @requirements', array('@id' => $this->migration->id(), '@message' => $e->getMessage(), '@requirements' => $e->getRequirementsString())), 'error');
return MigrationInterface::RESULT_FAILED;
}
$this->migration->setStatus(MigrationInterface::STATUS_IMPORTING);
$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');
$this->migration->setStatus(MigrationInterface::STATUS_IDLE);
return MigrationInterface::RESULT_FAILED;
}
$destination = $this->migration->getDestinationPlugin();
while ($source->valid()) {
$row = $source->current();
$this->sourceIdValues = $row->getSourceIdValues();
try {
$this->processRow($row);
$save = TRUE;
} catch (MigrateException $e) {
$this->migration->getIdMap()->saveIdMapping($row, array(), $e->getStatus());
$this->saveMessage($e->getMessage(), $e->getLevel());
$save = FALSE;
} catch (MigrateSkipRowException $e) {
$id_map->saveIdMapping($row, array(), MigrateIdMapInterface::STATUS_IGNORED);
$save = FALSE;
}
if ($save) {
try {
$this->getEventDispatcher()->dispatch(MigrateEvents::PRE_ROW_SAVE, new MigratePreRowSaveEvent($this->migration, $row));
$destination_id_values = $destination->import($row, $id_map->lookupDestinationId($this->sourceIdValues));
$this->getEventDispatcher()->dispatch(MigrateEvents::POST_ROW_SAVE, new MigratePostRowSaveEvent($this->migration, $row, $destination_id_values));
if ($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, $destination->rollbackAction());
}
} else {
$id_map->saveIdMapping($row, array(), MigrateIdMapInterface::STATUS_FAILED);
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());
$this->saveMessage($e->getMessage(), $e->getLevel());
} catch (\Exception $e) {
$this->migration->getIdMap()->saveIdMapping($row, array(), MigrateIdMapInterface::STATUS_FAILED);
$this->handleException($e);
}
}
if ($high_water_property = $this->migration->getHighWaterProperty()) {
$this->migration->saveHighWater($row->getSourceProperty($high_water_property['name']));
}
// Reset row properties.
unset($sourceValues, $destinationValues);
$this->sourceRowStatus = MigrateIdMapInterface::STATUS_IMPORTED;
// Check for memory exhaustion.
if (($return = $this->checkStatus()) != MigrationInterface::RESULT_COMPLETED) {
break;
}
// If anyone has requested we stop, return the requested result.
if ($this->migration->getStatus() == MigrationInterface::STATUS_STOPPING) {
$return = $this->migration->getInterruptionResult();
$this->migration->clearInterruptionResult();
break;
}
try {
$source->next();
} catch (\Exception $e) {
$this->message->display($this->t('Migration failed with source plugin exception: @e', array('@e' => $e->getMessage())), 'error');
$this->migration->setStatus(MigrationInterface::STATUS_IDLE);
return MigrationInterface::RESULT_FAILED;
}
}
$this->getEventDispatcher()->dispatch(MigrateEvents::POST_IMPORT, new MigrateImportEvent($this->migration));
$this->migration->setStatus(MigrationInterface::STATUS_IDLE);
return $return;
}