/**
* Perfom work.
*
* @param Opus_Job $job Job description and attached data.
* @return array Array of Jobs to be newly created.
*/
public function work(Opus_Job $job)
{
if ($job->getLabel() != $this->getActivationLabel()) {
throw new Opus_Job_Worker_InvalidJobException($job->getLabel() . " is not a suitable job for this worker.");
}
$data = $job->getData();
if (!(is_object($data) && isset($data->xml) && !is_null($data->xml))) {
throw new Opus_Job_Worker_InvalidJobException("Incomplete or missing data.");
}
if (null !== $this->_logger) {
$this->_logger->debug("Importing Metadata:\n" . $data->xml);
}
$importer = new Opus_Util_MetadataImport($data->xml);
$importer->run();
}
/**
* Load all published documents from database and check consistency.
* A document is considered as inconsistent, if
*
* - it exists in database, but does not exist in Solr index
* - it exists in Solr index, but does not exist in database or exists
* but with server_state != published
* - it exists both in database and Solr index, but server_date_modified
* timestamps do not coincide
*
* @param Opus_Job $job Job description and attached data.
* @return void
*/
public function work(Opus_Job $job)
{
// make sure we have the right job
if ($job->getLabel() != $this->getActivationLabel()) {
throw new Opus_Job_Worker_InvalidJobException($job->getLabel() . " is not a suitable job for this worker.");
}
$lockFile = $this->logfilePath . '.lock';
if (file_exists($lockFile)) {
unlink($lockFile);
}
touch($lockFile);
$consistencyChecker = new Opus_Util_ConsistencyCheck($this->_logger);
$consistencyChecker->run();
unlink($lockFile);
}
/**
* Load a document from database and optional file(s) and index them,
* or remove document from index (depending on job)
*
* @param Opus_Job $job Job description and attached data.
* @return void
*/
public function work(Opus_Job $job)
{
// make sure we have the right job
if ($job->getLabel() != $this->getActivationLabel()) {
throw new Opus_Job_Worker_InvalidJobException($job->getLabel() . " is not a suitable job for this worker.");
}
$this->_job = $job;
$data = $job->getData();
if (!(is_object($data) && isset($data->documentId) && isset($data->task))) {
throw new Opus_Job_Worker_InvalidJobException("Incomplete or missing data.");
}
if (null !== $this->_logger) {
$this->_logger->info('Indexing document with ID: ' . $data->documentId . '.');
}
// create index document or remove index, depending on task
if ($data->task === 'index') {
$document = new Opus_Document($data->documentId);
$this->getIndex()->addDocumentToEntryIndex($document)->commit();
} else {
if ($data->task === 'remove') {
$this->getIndex()->removeDocumentFromEntryIndexById($data->documentId)->commit();
} else {
throw new Opus_Job_Worker_InvalidJobException("unknown task '{$data->task}'.");
}
}
}
/**
* Execute a job and remove it from the jobs table on success.
*
* @param Opus_Job $job Job description model.
* @return boolean Returns true if a job is consumend false if not
*/
protected function consume(Opus_Job $job)
{
$label = $job->getLabel();
if ($job->getState() !== null) {
return false;
}
if (array_key_exists($label, $this->_workers)) {
$worker = $this->_workers[$label];
if (null !== $this->_logger) {
$this->_logger->info('Processing ' . $label);
}
$job->setState(Opus_Job::STATE_PROCESSING);
$job->store();
try {
$worker->setLogger($this->_logger);
$worker->work($job);
$job->delete();
sleep($this->_delay);
} catch (Exception $ex) {
if (null !== $this->_logger) {
$msg = get_class($worker) . ': ' . $ex->getMessage();
$this->_logger->err($msg);
}
$job->setErrors(json_encode(array('exception' => get_class($ex), 'message' => $ex->getMessage(), 'trace' => $ex->getTraceAsString())));
$job->setState(Opus_Job::STATE_FAILED);
$job->store();
return false;
}
return true;
}
return false;
}
