src/my-place/place/PlacesDetector.h

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef _CONTEXT_PLACE_RECOGNITION_PLACES_DETECTOR_
  18 #define _CONTEXT_PLACE_RECOGNITION_PLACES_DETECTOR_
  19
  20 #include <vector>
  21 #include <cstdint>
  22 #include <UserPlacesTypes.h>
  23 #include <MyPlaceTypes.h>
  24 #include "Graph.h"
  25
  26 namespace ctx {
  27
  28         class PlacesDetector {
  29
  30         private:
  31                 static double __doubleValueFromJson(Json &row, const char* key);
  32                 static Categs __visitCategsFromJson(Json &row);
  33                 static void __visitLocationFromJson(Json &row, ctx::Visit &visit);
  34                 static Visit __visitFromJson(Json &row);
  35                 static Visits __visitsFromJsons(std::vector<Json>& records);
  36
  37                 static std::shared_ptr<graph::Graph> __graphFromVisits(const std::vector<Visit> &visits);
  38
  39                 static void __dbCreateTable();
  40                 static void __dbDeletePlaces();
  41                 static void __dbDeleteOldEntries();
  42                 static void __dbDeleteOlderVisitsThan(time_t threshold);
  43                 static void __dbDeleteOlderWifiAPsThan(time_t threshold);
  44                 static std::vector<Json> __dbGetVisits();
  45                 static void __dbInsertPlace(const Place &place);
  46
  47                 static std::shared_ptr<Place> __placeFromMergedVisits(Visits &mergedVisits);
  48                 static std::vector<std::shared_ptr<ctx::Place>> __processVisits(Visits &visits, bool testMode = false);
  49                 static void __mergeLocation(const Visits &mergedVisits, Place &place);
  50                 static std::shared_ptr<graph::Components> __mergeVisits(const std::vector<Visit> &visits);
  51                 static void __reduceOutliers(Visits &visits);
  52                 static void __reduceOutliers(std::shared_ptr<graph::Components> &cc);
  53
  54                 PlacesDetector();
  55
  56         public:
  57                 static void detectPlaces();
  58
  59         };  /* class PlacesDetector */
  60
  61 }       /* namespace ctx */
  62
  63 #endif /* End of _CONTEXT_PLACE_RECOGNITION_PLACES_DETECTOR_ */