//--- Constructors ---
public SearchInstanceData(string indexPath, Analyzer analyzer, UpdateDelayQueue queue, TimeSpan commitInterval, TaskTimerFactory taskTimerFactory)
{
_analyzer = analyzer;
_directory = FSDirectory.GetDirectory(indexPath);
// Note (arnec): Needed with SimpleFSLock, since a hard shutdown will have left the lock dangling
IndexWriter.Unlock(_directory);
try {
_writer = new IndexWriter(_directory, _analyzer, IndexWriter.MaxFieldLength.UNLIMITED);
} catch (CorruptIndexException e) {
_log.WarnFormat("The Search index at {0} is corrupt. You must repair or delete it before restarting the service. If you delete it, you must rebuild your index after service restart.", indexPath);
if (e.Message.StartsWith("Unknown format version"))
{
_log.Warn("The index is considered corrupt because it's an unknown version. Did you accidentally downgrade your install?");
}
throw;
}
_reader = IndexReader.Open(_directory);
_searcher = new IndexSearcher(_reader);
_queue = queue;
_commitInterval = commitInterval;
_taskTimerFactory = taskTimerFactory;
if (_commitInterval != TimeSpan.Zero)
{
_commitTimer = _taskTimerFactory.New(_commitInterval, Commit, null, TaskEnv.None);
}
}
//--- Constructors ---
public SearchInstanceData(string indexPath, Analyzer analyzer, UpdateDelayQueue queue) {
_analyzer = analyzer;
_directory = FSDirectory.GetDirectory(indexPath);
// Note (arnec): Needed with 2.4.0 SimpleFSLock, since a hard shutdown will have left the lock dangling
IndexWriter.Unlock(_directory);
try {
_writer = new IndexWriter(_directory, _analyzer, IndexWriter.MaxFieldLength.UNLIMITED);
} catch(CorruptIndexException e) {
_log.WarnFormat("The Search index at {0} is corrupt. You must repair or delete it before restarting the service. If you delete it, you must rebuild your index after service restart.", indexPath);
if(e.Message.StartsWith("Unknown format version")) {
_log.Warn("The index is considered corrupt because it's an unknown version. Did you accidentally downgrade your install?");
}
throw;
}
_reader = IndexReader.Open(_directory);
_searcher = new IndexSearcher(_reader);
_queue = queue;
}
public void Setup() {
_peekQueue = new TransactionalQueue<XDoc>(new SingleFileQueueStream(new MemoryStream()), new XDocQueueItemSerializer());
_dispatcher = new MockUpdateRecordDispatcher();
_queue = new UpdateDelayQueue(TimeSpan.FromSeconds(3), _dispatcher, _peekQueue);
}
private SearchInstanceData GetInstance(string wikiid) {
SearchInstanceData instance;
lock(_instances) {
var entry = _instances[wikiid];
if(entry == null) {
var indexPath = string.Format(_indexPath, wikiid);
var queuePath = string.Format(_queuePathBase, wikiid);
var persistentQueue = new TransactionalQueue<XDoc>(new MultiFileQueueStream(queuePath), new XDocQueueItemSerializer());
var queue = new UpdateDelayQueue(_indexAccumulationTime, new UpdateRecordDispatcher(OnQueueExpire, _indexerParallelism, _indexerMaxRetry, _indexerRetrySleep), persistentQueue);
instance = new SearchInstanceData(indexPath, _defaultAnalyzer, queue, _instanceCommitInterval, TimerFactory);
_instances.Set(wikiid, instance, _instanceTtl);
_log.DebugFormat("created instance '{0}'", wikiid);
} else {
instance = entry.Value;
}
}
return instance;
}
