private async Task WriteAsync(string indexName, Action <IndexWriter> action, bool close = false)
{
if (!_writers.TryGetValue(indexName, out var writer))
{
var indexAnalyzer = await _luceneIndexSettingsService.LoadIndexAnalyzerAsync(indexName);
lock (this)
{
if (!_writers.TryGetValue(indexName, out writer))
{
var directory = CreateDirectory(indexName);
var analyzer = _luceneAnalyzerManager.CreateAnalyzer(indexAnalyzer);
var config = new IndexWriterConfig(LuceneSettings.DefaultVersion, analyzer)
{
OpenMode = OpenMode.CREATE_OR_APPEND,
WriteLockTimeout = Lock.LOCK_POLL_INTERVAL * 3
};
writer = new IndexWriterWrapper(directory, config);
if (close)
{
action?.Invoke(writer);
writer.Dispose();
_timestamps[indexName] = _clock.UtcNow;
return;
}
_writers[indexName] = writer;
}
}
}
if (writer.IsClosing)
{
return;
}
action?.Invoke(writer);
_timestamps[indexName] = _clock.UtcNow;
}
private void Write(string indexName, Action <IndexWriter> action, bool close = false)
{
if (!_writers.TryGetValue(indexName, out var writer))
{
lock (this)
{
if (!_writers.TryGetValue(indexName, out writer))
{
var directory = CreateDirectory(indexName);
var analyzer = _luceneAnalyzerManager.CreateAnalyzer(LuceneSettings.StandardAnalyzer);
var config = new IndexWriterConfig(LuceneSettings.DefaultVersion, analyzer)
{
OpenMode = OpenMode.CREATE_OR_APPEND
};
writer = _writers[indexName] = new IndexWriterWrapper(directory, config);
}
}
}
if (writer.IsClosing)
{
return;
}
action?.Invoke(writer);
if (close && !writer.IsClosing)
{
lock (this)
{
if (!writer.IsClosing)
{
writer.IsClosing = true;
writer.Dispose();
_writers.TryRemove(indexName, out writer);
}
}
}
_timestamps[indexName] = _clock.UtcNow;
}