public IAsyncResult DoQuery (Query query, IQueryResult result, IQueryableChangeData changeData) { ICollection l; SearchRequest sreq = new SearchRequest(); l = query.Text; if ((l != null) && (l.Count > 0)) sreq.text = ICollection2StringList(query.Text); l = query.MimeTypes; if ((l != null) && (l.Count > 0)) sreq.mimeType = ICollection2StringList(query.MimeTypes); l = query.Sources; if ((l != null) && (l.Count > 0)) sreq.searchSources = ICollection2StringList(query.Sources); sreq.qdomain = QueryDomain.Global; //Caution: This Enables Cascaded NetBeagle searching ! //sreq.qdomain = QueryDomain.System; //Cache the query request, get a unique searchId and include in network searchRequest: sreq.searchId = NetworkedBeagle.AddRequest(query); int hc = NetworkedBeagle.HopCount(query); sreq.hopCount = (hc > 0) ? hc:1; log.Info("NetBeagleHandler: Starting WebService Query for " + Hostname + ":" + Port); ReqContext rc = new ReqContext(wsp, result, netBeagleQueryable); IAsyncResult ar = wsp.BeginBeagleQuery(sreq, DoQueryResponseHandler, rc); // Return w/o waiting for Async query to complete. // Return IAsynResult handle, to allow caller to control it, if required. return ar; }
public System.IAsyncResult BeginBeagleQuery(SearchRequest req, System.AsyncCallback callback, object asyncState) { return(this.BeginInvoke("BeagleQuery", new object[] { req }, callback, asyncState)); }
public SearchResult BeagleQuery(SearchRequest req) { object[] results = this.Invoke("BeagleQuery", new object[] { req}); return ((SearchResult)(results[0])); }
public System.IAsyncResult BeginBeagleQuery(SearchRequest req, System.AsyncCallback callback, object asyncState) { return this.BeginInvoke("BeagleQuery", new object[] { req}, callback, asyncState); }
//Full beagledQuery public SearchResult doQuery(SearchRequest sreq, bool isLocalReq) { SearchResult sr = null; if (sreq.text == null || sreq.text.Length == 0 || (sreq.text.Length == 1 && sreq.text[0].Trim() == "") ) { sr = new SearchResult(); sr.statusCode = SC_INVALID_QUERY; sr.statusMsg = "Error: No search terms specified"; return sr; } Query query = new Query(); string searchString = ""; foreach (string text in sreq.text) { query.AddText(text); searchString += (searchString.Length == 0) ? text:" " + text; } Logger.Log.Info("WebServiceBackEnd: Received {0} WebService Query with search term: {1}", isLocalReq ? "Local":"External", searchString.Trim()); if (sreq.mimeType != null && sreq.mimeType[0] != null) foreach (string mtype in sreq.mimeType) query.AddMimeType(mtype); if (sreq.searchSources != null && sreq.searchSources[0] != null) foreach (string src in sreq.searchSources) query.AddSource(src); //If needed, check to restrict queries to System or Neighborhood domain, can be added here if (sreq.qdomain > 0) query.AddDomain(sreq.qdomain); if (!isLocalReq) { //External Request, check if this Node is already processing it lock (this) { if ((sreq.searchId != 0) && NetworkedBeagle.IsCachedRequest(sreq.searchId)) { sr = new SearchResult(); sr.numResults = sr.totalResults = sr.firstResultIndex = 0; sr.hitResults = new HitResult[sr.numResults]; sr.searchToken = ""; sr.statusCode = SC_DUPLICATE_QUERY; sr.statusMsg = "Error: Duplicate Query loopback"; Logger.Log.Warn("WebServiceBackEnd: Received duplicate Query for a query already in process!"); Logger.Log.Warn("WebServiceBackEnd: Check NetBeagle configuration on all nodes to remove possible loops"); } if (sreq.hopCount >= 5) { //If request has traversed 5 nodes in reaching here, stop cascading. //Make it a Local Query. query.RemoveDomain(sreq.qdomain); query.AddDomain(QueryDomain.System); } if ((sr == null) && (sreq.searchId != 0) ) NetworkedBeagle.CacheRequest(query, sreq.searchId, sreq.hopCount + 1); } if (sr != null) return sr; //Logger.Log.Info("New external Query: searchId = {0}", sreq.searchId); } ArrayList results = ArrayList.Synchronized(new ArrayList()); QueryResult qres = new QueryResult (); string searchToken = TokenGenerator(); SessionData sdata = new SessionData(query, results, isLocalReq); AttachQueryResult (qres, sdata); /* Include this code, if sessionID passed from front-end: if (sessionTable.Contains(searchToken)) sessionTable[searchToken] = sdata; else */ sessionTable.Add(searchToken, sdata); QueryDriver.DoQueryLocal (query, qres); while (resultTable.Contains(qres) && (results.Count < MAX_RESULTS_PER_CALL) ) Thread.Sleep(100); //Console.WriteLine("WebServiceBackEnd: Got {0} results from beagled", results.Count); sr = new SearchResult(); if (results.Count > 0) { lock (results.SyncRoot) { //Lock results ArrayList to prevent more Hits added till we've processed doQuery sr.numResults = results.Count < MAX_RESULTS_PER_CALL ? results.Count: MAX_RESULTS_PER_CALL; sr.hitResults = new HitResult[sr.numResults]; string hitUri; for (int i = 0; i < sr.numResults; i++) { Hit h = (Hit) results[i]; string snippet; //Queryable queryable = h.SourceObject as Queryable; Queryable queryable = QueryDriver.GetQueryable (h.SourceObjectName); if (queryable == null) snippet = "ERROR: hit.SourceObject is null, uri=" + h.Uri; else snippet = queryable.GetSnippet (ICollection2StringList(query.StemmedText), h); sr.hitResults[i] = new HitResult(); hitUri = h.UriAsString; if (isLocalReq || hitUri.StartsWith(NetworkedBeagle.BeagleNetPrefix)) sr.hitResults[i].uri = hitUri; else sr.hitResults[i].uri = AccessFilter.TranslateHit(h); sr.hitResults[i].resourceType = h.Type; sr.hitResults[i].mimeType = h.MimeType; sr.hitResults[i].source = h.Source; sr.hitResults[i].score = h.Score; int plen = h.Properties.Count; sr.hitResults[i].properties = new HitProperty[plen]; for (int j = 0; j < plen; j++) { Property p = (Property) h.Properties[j]; sr.hitResults[i].properties[j] = new HitProperty(); sr.hitResults[i].properties[j].PKey = p.Key; sr.hitResults[i].properties[j].PVal = p.Value; sr.hitResults[i].properties[j].IsMutable = p.IsMutable; sr.hitResults[i].properties[j].IsSearched = p.IsSearched; } sr.hitResults[i].hashCode = h.GetHashCode (); if (snippet != null) sr.hitResults[i].snippet = snippet.Trim(); } } //end lock }// end if else { sr.numResults = 0; sr.hitResults = new HitResult[sr.numResults]; } sr.totalResults = results.Count; sr.firstResultIndex = 0; sr.searchToken = ""; if (sr.totalResults > 0) sr.searchToken = searchToken; sr.statusCode = SC_QUERY_SUCCESS; sr.statusMsg = "Success"; Logger.Log.Info("WebServiceBackEnd: Total Results = " + sr.totalResults); return sr; }