public Query Parse( ulong collectionId, HttpRequest request, ReadSession mappingSession) { var query = _httpQueryParser.Parse(collectionId, request); mappingSession.Map(query); return(query); }
public Query Parse( ulong collectionId, HttpRequest request, ReadSession readSession, IStringModel tokenizer) { var query = _httpQueryParser.Parse(collectionId, tokenizer, request); readSession.Map(query); return(query); }
public async Task <Result> Read(string collectionId, HttpRequest request) { Query query = null; try { query = _httpQueryParser.Parse(collectionId, request, _tokenizer); ulong keyHash = query.Term.Key.ToString().ToHash(); long keyId; var timer = new Stopwatch(); timer.Start(); if (_sessionFactory.TryGetKeyId(keyHash, out keyId)) { using (var session = _sessionFactory.CreateReadSession(collectionId)) { var result = await session.Read(query, query.Take); var docs = result.Docs; _log.Log(string.Format("fetched {0} docs from disk in {1}", docs.Count, timer.Elapsed)); timer.Restart(); var stream = new MemoryStream(); Serialize(docs, stream); _log.Log(string.Format("serialized {0} docs in {1}", docs.Count, timer.Elapsed)); return(new Result { MediaType = "application/json", Data = stream, Documents = docs, Total = result.Total }); } } return(new Result { Total = 0 }); } catch (Exception ex) { _log.Log(string.Format("read failed for query: {0} {1}", query.ToString() ?? "unknown", ex)); throw; } }
public ResponseModel Read(string collectionName, IStringModel model, HttpRequest request) { var timer = Stopwatch.StartNew(); var collectionId = collectionName.ToHash(); using (var session = _sessionFactory.CreateReadSession(collectionName, collectionId)) { var query = _httpQueryParser.Parse(collectionId, model, request); if (query == null) { return(new ResponseModel { MediaType = "application/json", Total = 0 }); } var result = session.Read(query); long total = result.Total; this.Log(string.Format("executed query {0} in {1}", query, timer.Elapsed)); if (request.Query.ContainsKey("create")) { var newCollectionName = request.Query["newCollection"].ToString(); if (string.IsNullOrWhiteSpace(newCollectionName)) { newCollectionName = Guid.NewGuid().ToString(); } _sessionFactory.ExecuteWrite(new Job(newCollectionName, result.Docs, model)); } var mem = new MemoryStream(); Serialize(result.Docs, mem); return(new ResponseModel { MediaType = "application/json", Documents = result.Docs, Total = total, Body = mem.ToArray() }); } }
public async Task <ResponseModel> Read(string collectionName, HttpRequest request) { var timer = Stopwatch.StartNew(); var vec1FileName = Path.Combine(_sessionFactory.Dir, string.Format("{0}.vec1", collectionName.ToHash())); if (File.Exists(vec1FileName)) { using (var readSession = _sessionFactory.CreateReadSession(collectionName, collectionName.ToHash())) using (var bowReadSession = _sessionFactory.CreateBOWReadSession(collectionName, collectionName.ToHash())) { int skip = 0; int take = 10; if (request.Query.ContainsKey("take")) { take = int.Parse(request.Query["take"]); } if (request.Query.ContainsKey("skip")) { skip = int.Parse(request.Query["skip"]); } var query = _httpBowQueryParser.Parse(collectionName, request, readSession, _sessionFactory); var result = bowReadSession.Read(query, readSession, skip, take); var docs = result.Docs; this.Log(string.Format("executed query {0} and read {1} docs from disk in {2}", query, docs.Count, timer.Elapsed)); var stream = new MemoryStream(); Serialize(docs, stream); return(new ResponseModel { MediaType = "application/json", Stream = stream, Documents = docs, Total = result.Total }); } } else { using (var session = _sessionFactory.CreateReadSession(collectionName, collectionName.ToHash())) { IList <IDictionary> docs; long total; var stream = new MemoryStream(); if (request.Query.ContainsKey("id")) { var ids = request.Query["id"].Select(s => long.Parse(s)); docs = session.ReadDocs(ids); total = docs.Count; this.Log(string.Format("executed lookup by id in {0}", timer.Elapsed)); } else { var query = _httpQueryParser.Parse(collectionName, request); if (query == null) { return(new ResponseModel { MediaType = "application/json", Total = 0 }); } var result = session.Read(query); docs = result.Docs; total = result.Total; this.Log(string.Format("executed query {0} in {1}", query, timer.Elapsed)); if (request.Query.ContainsKey("create")) { var newCollectionName = request.Query["newCollection"].ToString(); if (string.IsNullOrWhiteSpace(newCollectionName)) { newCollectionName = Guid.NewGuid().ToString(); } await _storeWriter.ExecuteWrite(newCollectionName, docs); } } Serialize(docs, stream); return(new ResponseModel { MediaType = "application/json", Stream = stream, Documents = docs, Total = total }); } } }