/**
* Parses configuration options from YAML configuration files related to the
* configurable object.
*
* This method throws the SearchEvents::CONFIG_LOAD event. If configurations
* are loaded during this event, processing stops and the directories are
* not scanned for configuration files.
*
* @return array
* An associative array of options.
*
* @throws ParseException
*/
public function load()
{
$log = $this->_agent->getLogger();
$context = array('collection' => $this->_collection->getId());
// Allow the schema to be loaded from another source.
$event = new SchemaLoaderEvent($this->_agent, $this->_collection);
$this->_agent->dispatchEvent(SearchEvents::SCHEMA_LOAD, $event);
if (!($options = $event->getOptions())) {
if ($conf_dir = $this->getConfDir()) {
$filename = $this->_collection->getConfigBasename() . '.yml';
$filepath = $conf_dir . '/' . $filename;
$context['filepath'] = $filepath;
$log->debug('Attempting to parse schema configuration file', $context);
$options = Yaml::parse($filepath);
$log->debug('Schema options parsed from configuration file', $context);
} else {
$log->notice('Path to conf directory could not be resolved', $context);
}
} else {
$log->debug('Schema configuration loaded from an external source.', $context);
}
$schema = new Schema();
$schema->build($options);
return $schema;
}
/**
* Queues the items scheduled for indexing for the collection.
*
* @param CollectionAbstract $collection
* The collection that fetches the items scheduled for indexing.
*
* @return int
* The number of items sent to the queue.
*/
public function queueCollection(CollectionAbstract $collection)
{
$log = $this->getLogger();
$context = array('collection' => $collection->getId());
$log->info('Begin fetching items that are scheduled for indexing', $context);
$event = new CollectionEvent($this, $collection);
$this->dispatchEvent(SearchEvents::COLLECTION_PRE_QUEUE, $event, $context);
// The producer fetches the items scheduled for indexing from the
// collection and publishes them to the indexing queue.
$producer = new QueueProducer($this, $collection);
foreach ($producer as $message) {
// @todo Have this return a boolean suceess flag and modify the log
// message accordingly?
$message->publish();
$context['item'] = $message->getBody();
$log->debug('Published item scheduled for indexing to queue', $context);
}
unset($context['item']);
// The item is no longer in context.
$this->dispatchEvent(SearchEvents::COLLECTION_POST_QUEUE, $event, $context);
// Get and log the number of items queued for this collection.
$num_queued = count($producer);
$context['queued'] = $num_queued;
$log->info('Finished fetching and queueing items that are scheduled for indexing', $context);
return $num_queued;
}
/**
*
* @param CollectionAbstract $collection
*
* @return Schema
*
* @throws
*/
public function loadCollectionSchema(CollectionAbstract $collection)
{
$loader = new SchemaLoader($this, $collection);
$schema = $loader->load();
$context = array('collection' => $collection->getId());
$event = new SchemaEvent($this, $collection, $schema);
$this->dispatchEvent(SearchEvents::SCHEMA_ALTER, $event, $context);
return $schema;
}
/**
* Implements SearchEngineAbstract::indexDocument().
*
* @param CollectionAbstract $collection
* @param IndexDocument $document
*/
public function indexDocument(CollectionAbstract $collection, IndexDocument $document)
{
$index_doc = array();
if (null !== ($boost = $document->getBoost())) {
$index_doc['_boost'] = $boost;
}
foreach ($document as $field_id => $normalized_value) {
$name = $document->getFieldName($field_id);
$index_doc[$name] = $normalized_value;
}
$native_doc = new Elastica_Document(null, $index_doc);
$native_doc->setIndex($this->_activeIndex);
$native_doc->setType($collection->getType());
$this->_documents[] = $native_doc;
}
