Esempio n. 1
1
  /**
   * Retrieves the access token used for interacting with Twitter.
   *
   * @return
   */
  public static AccessToken getAccessToken() {
    // Try to grab the token from the cache.
    StoredAccessToken storedToken = (StoredAccessToken) cache.get(ACCESS_TOKEN_KEY);

    if (storedToken != null) {
      return storedToken.getAccessToken();
    }

    // Now try to grab it from the datastore
    PersistenceManager pm = PMF.get().getPersistenceManager();
    Extent<StoredAccessToken> extent = pm.getExtent(StoredAccessToken.class, false);

    try {
      Iterator<StoredAccessToken> itr = extent.iterator();
      storedToken = itr.next();

      // If the token was found, cache it and return.
      if (storedToken != null) {
        cache.put(ACCESS_TOKEN_KEY, storedToken);
        return storedToken.getAccessToken();
      }
    } finally {
      extent.closeAll();
      pm.close();
    }

    return null;
  }
Esempio n. 2
0
  public static String getUpdatesSince(long sinceId) {
    // First try to pull the response from the cache.
    @SuppressWarnings("unchecked")
    Map<Long, String> cachedQueries = (Map<Long, String>) cache.get(CACHED_QUERIES_KEY);
    Long sinceIdObj = Long.valueOf(sinceId);

    if (cachedQueries == null) {
      cachedQueries = new HashMap<Long, String>();
    } else if (cachedQueries.containsKey(sinceIdObj)) {
      log.info("Found query in the cache: " + sinceId);
      return cachedQueries.get(sinceIdObj);
    }

    // If we haven't cached this response, we must query for it.
    PersistenceManager pm = PMF.get().getPersistenceManager();
    JSONArray resultArray = new JSONArray();

    try {
      Query query = pm.newQuery(TrainUpdate.class);
      query.setOrdering("twitterId ASC");

      if (sinceId >= 0) {
        query.setFilter("twitterId > " + sinceId);
      }

      @SuppressWarnings("unchecked")
      List<TrainUpdate> updates = (List<TrainUpdate>) query.execute();

      for (TrainUpdate update : updates) {
        JSONObject updateJson = update.getJSON();
        resultArray.put(updateJson);
      }

      // Append any updates that are stored in the cache to this result.
      @SuppressWarnings("unchecked")
      List<TrainUpdate> cachedUpdates = (List<TrainUpdate>) cache.get(CACHED_UPDATES_KEY);

      if (cachedUpdates != null) {
        log.info("Fetched cache with size of : " + cachedUpdates.size());

        for (TrainUpdate update : cachedUpdates) {
          if (update.getTwitterId() > sinceId) {
            JSONObject updateJson = update.getJSON();
            resultArray.put(updateJson);
          }
        }
      }
    } finally {
      pm.close();
    }

    // Finally cache the response.
    String result = resultArray.toString();
    cachedQueries.put(sinceIdObj, result);
    cache.put(CACHED_QUERIES_KEY, cachedQueries);

    return result;
  }
Esempio n. 3
0
 @SuppressWarnings("unchecked")
 public Collection<Point> getSearchPointsForLine(
     Key<Line> l, int middleIndex, int plusMinusIndex, Objectify ofy) {
   String functionName = "getSearchPointsForLine(int plusMinusIndex)";
   List<Key<Point>> keys;
   plusMinusIndex++; // query is exclusive, therefore we expand by one to return the expected
                     // number of results
   Query<Point> q =
       ofy.query(Point.class)
           .ancestor(l)
           .filter("ignore", false)
           .filter("index <", middleIndex + plusMinusIndex)
           .filter("index >", middleIndex - plusMinusIndex);
   try {
     Cache cache =
         CacheManager.getInstance().getCacheFactory().createCache(Collections.emptyMap());
     keys = (List<Key<Point>>) cache.get(q.toString());
     if (keys == null) {
       keys = q.listKeys();
       cache.put(q.toString(), keys);
     }
   } catch (CacheException e) {
     keys = q.listKeys();
     Logger.getLogger(location).log(Level.SEVERE, functionName + ": Cache error: " + e);
     e.printStackTrace();
   }
   Map<Key<Point>, Point> points = ofy.get(keys);
   return points.values();
 }
Esempio n. 4
0
 public PQA getPQA(String geoCell, Objectify ofy) {
   String shortened = geoCell.substring(0, geoCell.length() - 2);
   if (mapBusCache.containsKey(shortened)) {
     // System.err.println("getting cached pqa");
     return mapBusCache.get(shortened).get(geoCell);
   } else {
     try {
       Cache cache =
           CacheManager.getInstance().getCacheFactory().createCache(Collections.emptyMap());
       @SuppressWarnings("unchecked")
       HashMap<String, PQA> list = (HashMap<String, PQA>) cache.get("PQAsCache" + shortened);
       if (list == null) {
         list = generatePQAsCombination(shortened, ofy);
         cache.put("PQAsCache" + shortened, list);
         //					System.out.print("was not in cache ... ");
       }
       //				System.out.println("got a result " + list.size());
       mapBusCache.put(shortened, list);
       return list.get(geoCell);
     } catch (CacheException e) {
       Logger.getLogger(location).log(Level.INFO, "getPQA(): CacheException: " + e);
       HashMap<String, PQA> list = generatePQAsCombination(shortened, ofy);
       mapBusCache.put(shortened, list);
       return list.get(geoCell);
     }
   }
 }
Esempio n. 5
0
 @SuppressWarnings("unchecked")
 public static synchronized List<Key<Line>> getTrainKeys() {
   String functionName = "getTrainKeys()";
   if (trainKeys == null || trainKeys.size() == 0) {
     Objectify ofy = ObjectifyService.begin();
     Query<Line> q = ofy.query(Line.class).filter("type", 21);
     List<Key<Line>> keys;
     try {
       Cache cache =
           CacheManager.getInstance().getCacheFactory().createCache(Collections.emptyMap());
       keys = (List<Key<Line>>) cache.get(q.toString());
       if (keys == null) {
         keys = q.listKeys();
         cache.put(q.toString(), keys);
       }
     } catch (CacheException e) {
       keys = q.listKeys();
       Logger.getLogger(location).log(Level.SEVERE, functionName + ": Cache error: " + e);
       e.printStackTrace();
     }
     trainKeys = keys;
     Logger.getLogger(location)
         .log(Level.INFO, functionName + ": served new trainKeys. #" + trainKeys.size());
   }
   return trainKeys;
 }
Esempio n. 6
0
  protected static StorageStats getStorageStats() {
    // Try to grab the token from the cache.
    StorageStats stats = (StorageStats) cache.get(STORAGE_STATS_KEY);

    if (stats != null) {
      return stats;
    }

    // Now try to grab it from the datastore
    PersistenceManager pm = PMF.get().getPersistenceManager();
    Extent<StorageStats> extent = pm.getExtent(StorageStats.class, false);

    try {
      Iterator<StorageStats> itr = extent.iterator();

      if (itr.hasNext()) {
        stats = itr.next();
      } else {
        stats = new StorageStats();
        pm.makePersistent(stats);
      }

      return stats;
    } finally {
      extent.closeAll();
      pm.close();

      cache.put(STORAGE_STATS_KEY, stats);
    }
  }
  @Override
  public Datastore.Stats getStats(boolean useCache) {
    if (useCache) {
      try {
        Stats cachedStats = (Stats) STATS_CACHE.get(STATS_CACHE_KEY);
        if (cachedStats != null) {
          return cachedStats;
        }
        logger.info("Stats not in cache, re-computing");
      } catch (InvalidValueException err) {
        logger.log(Level.WARNING, "Could not load data from memcache", err);
      }
    }

    Stats ret = new Stats();
    DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
    PreparedQuery pq =
        datastore.prepare(new com.google.appengine.api.datastore.Query("__Stat_Kind__"));
    for (Entity kindStat : pq.asIterable()) {
      String kind = (String) kindStat.getProperty("kind_name");
      if ("Channel".equals(kind)) {
        ret.numChannels = ((Long) kindStat.getProperty("count")).intValue();
        ret.timestamp = (Date) kindStat.getProperty("timestamp");
      }
    }

    ret.numUsers = countUsersActiveInLastNDays(datastore, -1);
    ret.oneDayActiveUsers = countUsersActiveInLastNDays(datastore, 1);
    ret.sevenDayActiveUsers = countUsersActiveInLastNDays(datastore, 7);
    ret.thirtyDayActiveUsers = countUsersActiveInLastNDays(datastore, 30);

    STATS_CACHE.put(STATS_CACHE_KEY, ret);

    return ret;
  }
Esempio n. 8
0
 public int addAndCheckSearchForIp(String ip, int mode) {
   String functionName = "addAndCheckSearchForIp()";
   Cache cache;
   Map<String, Integer> props = new HashMap<String, Integer>();
   props.put(GCacheFactory.EXPIRATION_DELTA, 600); // 10 minutes
   if (Utils.isUserInSpecialACL()) {
     //        	System.err.println("No limit for user: "******"(" +
     // Utils.getUser().getNickname() + ")");
     Logger.getLogger(location)
         .log(
             Level.INFO,
             functionName
                 + ": No limit for user: "******"("
                 + Utils.getUser().getNickname()
                 + ")");
     return 1;
   }
   try {
     String key = "requestCounter:" + mode + ":" + ip;
     CacheFactory cacheFactory = CacheManager.getInstance().getCacheFactory();
     cache = cacheFactory.createCache(props);
     Integer counter = new Integer(1);
     Integer o = (Integer) cache.get(key);
     if (o != null) {
       counter = counter + o;
     }
     cache.put(key, counter);
     return counter;
   } catch (CacheException e) {
     Logger.getLogger(location).log(Level.SEVERE, functionName + ": caching error: " + e);
     return -1;
   }
 }
Esempio n. 9
0
 @SuppressWarnings("unchecked")
 public Collection<Point> getSearchPointsForLine(
     Key<Line> l, String geoCell, int plusMinusIndex, Objectify ofy) {
   String functionName = "getSearchPointsForLine(String geoCell)";
   Query<Point> q =
       ofy.query(Point.class)
           .ancestor(l)
           .filter("ignore", false)
           .filter("defaultGeoCell", geoCell)
           .limit(1);
   Key<Point> kMiddle;
   try {
     Cache cache =
         CacheManager.getInstance().getCacheFactory().createCache(Collections.emptyMap());
     kMiddle = (Key<Point>) cache.get(q.toString());
     if (kMiddle == null) {
       kMiddle = q.getKey();
       cache.put(q.toString(), kMiddle);
     }
   } catch (CacheException e) {
     kMiddle = q.getKey();
     Logger.getLogger(location).log(Level.SEVERE, functionName + ": Cache error: " + e);
     e.printStackTrace();
   }
   if (kMiddle
       == null) { // dirty hack, but still better than failing in case that no point was found
     q = ofy.query(Point.class).ancestor(l).filter("defaultGeoCell", geoCell).limit(1);
     kMiddle = q.getKey();
     System.err.println(
         "had to resort to dirty hack and retrieve a point that is set to ignore for line "
             + l
             + " in cell "
             + geoCell
             + ". Result: "
             + kMiddle);
   }
   try {
     Point middle = ofy.get(kMiddle);
     Collection<Point> points;
     if (plusMinusIndex > 0) {
       points = getSearchPointsForLine(l, middle.getIndex(), plusMinusIndex, ofy);
     } else {
       points = new LinkedList<Point>();
       points.add(middle);
     }
     return points;
   } catch (NullPointerException e) {
     q = ofy.query(Point.class).ancestor(l).filter("ignore", false);
     System.err.println(
         "because of "
             + e
             + " had to resort to even dirtier hack and retrieve all potential points for line "
             + l
             + ", even those not in cell "
             + geoCell);
     return q.list();
   }
 }
Esempio n. 10
0
  /**
   * Gets the ID of the last pulled train update.
   *
   * @return the ID or -1 if there aren't any stored IDs.
   */
  public static long getLatestUpdateId() {
    StorageStats stats = getStorageStats();

    if (stats != null) {
      return stats.getLatestUpdateId();
    }

    // TODO: will stats ever be null?

    // TODO:  We should store the latest ID instead of querying for it.
    // That way we don't run into a situation where the data store gets cleared and we end up
    // pulling 200 updates.

    // Attempt to just pull the value out of the cache.
    // We assume that the latest updates will always live here.
    @SuppressWarnings("unchecked")
    List<TrainUpdate> cachedUpdates = (List<TrainUpdate>) cache.get(CACHED_UPDATES_KEY);

    if (cachedUpdates != null && !cachedUpdates.isEmpty()) {
      log.info("Fetched cache with size of : " + cachedUpdates.size());
      return cachedUpdates.get(cachedUpdates.size() - 1).getTwitterId();
    }

    // If no cached updates were found, we must query the datastore.

    long sinceId = -1;
    PersistenceManager pm = PMF.get().getPersistenceManager();

    try {
      Query query = pm.newQuery(TrainUpdate.class);
      query.setOrdering("date DESC");
      query.setRange(0, 1);

      @SuppressWarnings("unchecked")
      List<TrainUpdate> oldUpdates = (List<TrainUpdate>) query.execute();

      if (oldUpdates.size() > 0) {
        sinceId = oldUpdates.get(0).getTwitterId();
      }
    } finally {
      pm.close();
    }

    return sinceId;
  }
Esempio n. 11
0
 @SuppressWarnings("unchecked")
 public Collection<UserFavouritePosition> getUserFavouritePositions(User user, Objectify ofy) {
   String functionName = "getUserFavouritePositions()";
   Query<UserFavouritePosition> q = ofy.query(UserFavouritePosition.class).filter("user", user);
   List<Key<UserFavouritePosition>> keys;
   try {
     Cache cache =
         CacheManager.getInstance().getCacheFactory().createCache(Collections.emptyMap());
     keys = (List<Key<UserFavouritePosition>>) cache.get(q.toString());
     if (keys == null) {
       keys = q.listKeys();
       cache.put(q.toString(), keys);
     }
   } catch (CacheException e) {
     Logger.getLogger(location).log(Level.SEVERE, functionName + ": caching error: " + e);
     keys = q.listKeys();
   }
   return ofy.get(keys).values();
 }
Esempio n. 12
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 @SuppressWarnings("unchecked")
 public static synchronized HashMap<String, Set<TrainNode>> getTrainNodes() {
   String functionName = "getTrainNodes()";
   if (trainNodes == null || trainNodes.size() == 0) {
     trainNodes = new HashMap<String, Set<TrainNode>>();
     Objectify ofy = ObjectifyService.begin();
     Query<TrainNode> q = ofy.query(TrainNode.class);
     List<Key<TrainNode>> keys;
     try {
       Cache cache =
           CacheManager.getInstance().getCacheFactory().createCache(Collections.emptyMap());
       keys = (List<Key<TrainNode>>) cache.get(q.toString());
       if (keys == null) {
         keys = q.listKeys();
         cache.put(q.toString(), keys);
       }
     } catch (CacheException e) {
       keys = q.listKeys();
       Logger.getLogger(location).log(Level.SEVERE, functionName + ": Cache error: " + e);
       e.printStackTrace();
     }
     Map<Key<TrainNode>, TrainNode> res = ofy.get(keys);
     Collection<TrainNode> tns = res.values();
     Logger.getLogger(location)
         .log(
             Level.INFO,
             functionName + ": Got " + res.size() + " TrainNodes. keys.size(): " + keys.size());
     //			String m = "";
     for (TrainNode tn : tns) {
       if (!trainNodes.containsKey(tn.getGeoCell())) {
         trainNodes.put(tn.getGeoCell(), new HashSet<TrainNode>());
       }
       trainNodes.get(tn.getGeoCell()).add(tn);
       /*				if(tn.getLineKey().equals(new Key<Line>(Line.class, 155))) {
       //				if(tn.getLineType() == 11) {
       					System.err.print("\"" + tn.getGeoCell() + "\", ");
       				}*/
     }
     //			Utils.eMailGeneric(m, "DaoTemp");
   }
   return trainNodes;
 }
Esempio n. 13
0
 /*
  * returns the Points of a line which are from the original import, without the intermediate points that are created for searches
  * caches the keys of the query result so that the entities can be read through a batch get (which checks memcache first). this caching should be evaluated and removed if it does not work out
  */
 @SuppressWarnings("unchecked")
 public Collection<Point> getPointsToDisplayForLine(Line l, Objectify ofy) {
   String functionName = "getPointsForLine()";
   List<Key<Point>> keys;
   Query<Point> q =
       ofy.query(Point.class).ancestor(l).filter("forSearchOnly", false).order("index");
   try {
     Cache cache =
         CacheManager.getInstance().getCacheFactory().createCache(Collections.emptyMap());
     keys = (List<Key<Point>>) cache.get(q.toString());
     if (keys == null) {
       keys = q.listKeys();
       cache.put(q.toString(), keys);
     }
   } catch (CacheException e) {
     keys = q.listKeys();
     Logger.getLogger(location).log(Level.SEVERE, functionName + ": Cache error: " + e);
     e.printStackTrace();
   }
   Map<Key<Point>, Point> points = ofy.get(keys);
   return points.values();
 }
Esempio n. 14
0
  /**
   * Adds new updates to storage.
   *
   * @param newUpdates
   */
  public static void addUpdates(List<TrainUpdate> newUpdates) {
    if (newUpdates.isEmpty()) {
      return;
    }

    // Add the new updates to the list of cached results.
    @SuppressWarnings("unchecked")
    List<TrainUpdate> cachedUpdates = (List<TrainUpdate>) cache.get(CACHED_UPDATES_KEY);

    if (cachedUpdates == null) {
      cachedUpdates = new ArrayList<TrainUpdate>();
    }

    log.info("Fetched cache with size of : " + cachedUpdates.size());
    cachedUpdates.addAll(newUpdates);
    // Update the storage stats
    StorageStats stats = getStorageStats();
    stats.setLatestUpdateId(newUpdates.get(0).getTwitterId());

    // Attempt to persist the updates to the data store.
    PersistenceManager pm = PMF.get().getPersistenceManager();

    try {
      pm.makePersistentAll(cachedUpdates);
      pm.makePersistent(stats);
      cachedUpdates.clear();
      log.info("Cache cleared");
    } catch (DatastoreTimeoutException ex) {
      log.info("Couldn't write to datastore.  caching instead");
    } finally {
      // No matter what happens, store the new cached results.
      cache.remove(CACHED_QUERIES_KEY);
      cache.put(CACHED_UPDATES_KEY, cachedUpdates);
      cache.put(STORAGE_STATS_KEY, stats);
      log.info("Updated cache to size of : " + cachedUpdates.size());
      pm.close();
    }
  }
Esempio n. 15
0
  @Override
  public void run() {
    Cache cache = CacheManager.getInstance().getCache(cacheName);
    Random random = new Random();

    try {
      while (true) {
        Thread.sleep((long) (random.nextFloat() * 5));

        long maxKey = ObjectFactory.getMaxKey(cacheName);
        long key = (long) (maxKey * random.nextFloat());

        Object value = cache.get(String.valueOf(key));

        if (value != null) {
          if (!value.getClass().getName().equals(cacheName)) {
            new RuntimeException("Wrong object in cache");
          }
        }
      }
    } catch (InterruptedException e) {
    }
  }
Esempio n. 16
0
 @SuppressWarnings("unchecked")
 public List<ArticleLink> getRecentArticlesUrl() {
   return (List<ArticleLink>) cache.get(RECENT_ARTICLE_KEY);
 }
Esempio n. 17
0
 @SuppressWarnings("unchecked")
 public List<ArticleLink> getRelativeUrls() {
   return (List<ArticleLink>) cache.get(RELATIVE_URL_KEY);
 }
Esempio n. 18
0
  public ConnectionProxy indirectSearch(
      GeoPt start, GeoPt dest, Set<Key<Line>> tabuTrainsSet, Set<Key<Line>> mlkSet, Objectify ofy) {
    final String functionName = "newIndirectSearch()";
    final int plusMinus = 8;
    final int maxAlternatives = 8;
    HashSet<Key<PQA>> PQsForAStar = new HashSet<Key<PQA>>();
    Logger.getLogger(location)
        .log(Level.INFO, functionName + ": " + "fetching PQAs for " + mlkSet.size() + " lines.");
    try {
      Cache cache =
          CacheManager.getInstance().getCacheFactory().createCache(Collections.emptyMap());
      for (Key<Line> k : mlkSet) {
        Query<PQA> q = ofy.query(PQA.class).filter("lineKeys", k);
        @SuppressWarnings("unchecked")
        List<Key<PQA>> rl = (List<Key<PQA>>) cache.get(q.toString());
        if (rl == null) {
          rl = q.listKeys();
          cache.put(q.toString(), rl);
        }
        PQsForAStar.addAll(rl);
      }
    } catch (CacheException e) {
      Logger.getLogger(location).log(Level.SEVERE, functionName + ": Cache error: " + e);
      e.printStackTrace();
    }
    Logger.getLogger(location)
        .log(Level.FINER, functionName + ": " + "Got " + PQsForAStar.size() + " PQs.");
    /*for(PlanQuadrat pq : PQsForAStar) {
    	System.err.print("\"" + pq.getGeoCell() + "\",");
    }
    System.err.println();*/
    HashSet<String> setBusKey = new HashSet<String>();
    for (Key<PQA> pq : PQsForAStar) {
      setBusKey.add(pq.getName());
    }
    //		HashMap<String, PlanQuadrat> mapBus = new HashMap<String, PlanQuadrat>();
    WayHolder wh =
        new AStarImpl()
            .aStarSearch(
                Utils.computeGeoCell(
                    new com.beoui.geocell.model.Point(start.getLatitude(), start.getLongitude())),
                Utils.computeGeoCell(
                    new com.beoui.geocell.model.Point(dest.getLatitude(), dest.getLongitude())),
                setBusKey,
                mlkSet,
                tabuTrainsSet,
                ofy); // erste Cell jeweils aus Liste Start und Liste Dest Cells. das gehört noch
                      // überarbeitet
    /*
    for(AStarNode asn : wh.getWay()) {
    	System.err.print("\"" + asn.getGeoCell() + "\", ");
    }
    System.err.println();
    for(AStarNode asn : wh.getWay()) {
    	System.err.print("\"" + asn.getOwningLine() + "\", ");
    }
    System.err.println();*/
    if (wh != null && wh.getWay().size() > 1) {
      List<AStarNode> way = wh.getWay();
      List<AStarNode> umsteigen = wh.getCombinationPoints();
      int index = 0;
      if (way.get(0).getOwningLine() == null) {
        index = 1;
      }
      Collection<Point> pointsStart;
      if (way.get(index).getClass() == AStarNodeImpl.class) {
        pointsStart =
            getSearchPointsForLine(
                way.get(index).getOwningLine(), way.get(index).getPointGeoCell(), plusMinus, ofy);
      } else {
        Line tempLine = getLineByKey(way.get(index).getOwningLine(), ofy);
        if (tempLine.getType() == 11 || tempLine.getType() == 13 || tempLine.getType() == 15) {
          pointsStart =
              getSearchPointsForLine(
                  way.get(index).getOwningLine(), way.get(index).getPointGeoCell(), 1, ofy);
        } else {
          pointsStart =
              getSearchPointsForLine(
                  way.get(index).getOwningLine(), way.get(index).getPointGeoCell(), 0, ofy);
        }
      }
      //			System.err.println("pointsStart.size: " + pointsStart.size());
      Point startPoint = Utils.closestPoint(start, pointsStart);
      List<LineProxy> lineProxies = new LinkedList<LineProxy>();
      LineProxy walk =
          Utils.walk(new Point(null, start.getLatitude(), start.getLongitude(), null), startPoint);
      lineProxies.add(walk);

      Point lastPoint = startPoint;
      AStarNode lastNode = way.get(index);
      for (int i = index; i < way.size(); i++) {
        AStarNode an = way.get(i);
        if (umsteigen.contains(an)) {
          Collection<Point> pointsLine1;
          if (an.getClass() == AStarNodeImpl.class) {
            pointsLine1 =
                getSearchPointsForLine(lastPoint.getOwner(), an.getPointGeoCell(), plusMinus, ofy);
          } else {
            Line tempLine = getLineByKey(an.getOwningLine(), ofy);
            if (tempLine.getType() == 11 || tempLine.getType() == 13 || tempLine.getType() == 15) {
              pointsLine1 =
                  getSearchPointsForLine(an.getOwningLine(), an.getPointGeoCell(), 1, ofy);
            } else {
              pointsLine1 =
                  getSearchPointsForLine(an.getOwningLine(), an.getPointGeoCell(), 0, ofy);
            }
          }
          AStarNode next = way.get(i + 1);
          Collection<Point> pointsLine2;
          if (next.getClass() == AStarNodeImpl.class) {
            //						System.err.println("Line: " + next.getOwningLine() + " / " +
            // Dao.getInstance().getLineByKey(next.getOwningLine(), ofy) + " / " +
            // next.getPointGeoCell());
            pointsLine2 =
                getSearchPointsForLine(
                    next.getOwningLine(), next.getPointGeoCell(), plusMinus, ofy);
          } else {
            Line tempLine = getLineByKey(next.getOwningLine(), ofy);
            if (tempLine.getType() == 11 || tempLine.getType() == 13 || tempLine.getType() == 15) {
              pointsLine2 =
                  getSearchPointsForLine(next.getOwningLine(), next.getPointGeoCell(), 1, ofy);
            } else {
              pointsLine2 =
                  getSearchPointsForLine(next.getOwningLine(), next.getPointGeoCell(), 0, ofy);
            }
          }
          Logger.getLogger(location)
              .log(
                  Level.FINE,
                  functionName
                      + ": Umsteigen von "
                      + an.getOwningLine()
                      + " zu "
                      + next.getOwningLine()
                      + " in "
                      + an.getPointGeoCell()
                      + " und "
                      + next.getPointGeoCell()
                      + ". Results: "
                      + pointsLine1.size()
                      + " und "
                      + pointsLine2.size());

          Iterator<Point> j1 = pointsLine1.iterator();
          double min_distance = 999999999.9;
          Tuple<Point, Point> tuple_min = null;
          while (j1.hasNext()) {
            Point outerPoint = j1.next();
            Iterator<Point> j2 = pointsLine2.iterator();
            while (j2
                .hasNext()) { // für jeden Punkt (innerhalb der errechneten cells) von Line inner
                              // distanz zu jedem Punkt von outer berechnen, das kürzeste Paar
                              // speichern
              Point innerPoint = j2.next();
              double distance = Utils.distanceApprox(innerPoint, outerPoint);
              if (innerPoint.isIgnore()
                  || outerPoint
                      .isIgnore()) { // absolutely avoid points that are set as ignore. Related to
                                     // the dirty hack that searches any point, if none were found
                                     // that are not "ignore"-flagged. Theoretically there shouldn't
                                     // be any case where this is necessary, but right now there is
                                     // (rarely).
                distance += 10000;
              }
              if (distance < min_distance) {
                min_distance = distance;
                tuple_min = new Tuple<Point, Point>(outerPoint, innerPoint);
              }
            }
          }
          LineProxy c = Utils.getConnection(lastPoint, tuple_min.getFirst(), ofy);
          lineProxies.add(c);
          Line lastPointOwner1 = ofy.get(lastPoint.getOwner());
          if (lastPointOwner1.getType() == 1) { // wenn bus, alternativen suchen
            List<Key<Line>> alternativesK = new LinkedList<Key<Line>>();
            PlanQuadrat pq1 = Dao.getInstance().getPlanQuadrat(lastPoint.getDefaultGeoCell(), ofy);
            PlanQuadrat pq2 =
                Dao.getInstance().getPlanQuadrat(tuple_min.getFirst().getDefaultGeoCell(), ofy);
            int counter = 0;
            for (Key<Line> k1 : pq1.getDirectLineKeys()) {
              if (k1.getId()
                      != lastPoint.getOwner().getId() // nicht der bus der eh schon genommen wird
                  && pq2.getDirectLineKeys()
                      .contains(k1) // in anfangs und end PQ gleichermaßen enthalten
                  && pq1.getIndices().get(pq1.getDirectLineKeys().indexOf(k1))
                      <= pq2.getIndices().get(pq2.getDirectLineKeys().indexOf(k1))
                  && counter < maxAlternatives) {
                alternativesK.add(k1);
                counter++;
                // Logger.getLogger("ListPointsServiceImpl").log(Level.INFO, functionName + ":
                // Matching line: " + KeyFactory.keyToString(k1));
              }
            }
            for (Key<Line> k : alternativesK) {
              Line l = getLineByKey(k, ofy);
              c.addAlternativeLine(l.getLinenum() + " " + l.getRamal());
            }
          } else if (lastPointOwner1.getType() == 21) { // auch für züge alternativen suchen
            List<Key<Line>> alternativesK = new LinkedList<Key<Line>>();
            Set<TrainNode> tns1 = Dao.getTrainNodes().get(lastNode.getGeoCell());
            Set<TrainNode> tns2 = Dao.getTrainNodes().get(an.getGeoCell());
            for (TrainNode tn1 : tns1) {
              if (!tn1.getLineKey()
                  .equals(lastPoint.getOwner())) { // nicht der Zug der eh schon genommen wird
                for (TrainNode tn2 : tns2) {
                  if (tn1.getLineKey().equals(tn2.getLineKey()) // gehören zum gleichen zug
                      && tn1.getIndex() < tn2.getIndex()) { // und der index steig
                    alternativesK.add(tn1.getLineKey());
                  }
                }
              }
            }
            for (Key<Line> k : alternativesK) {
              Line l = getLineByKey(k, ofy);
              if (!l.getRamal().equals(c.getRamal())) {
                c.addAlternativeLine("Ramal a " + l.getRamal());
              }
            }
          }
          walk = Utils.walk(tuple_min.getFirst(), tuple_min.getSecond());
          lineProxies.add(walk);
          lastPoint = tuple_min.getSecond();
          lastNode = next;
        }
      }
      index = way.size() - 1;
      if (way.get(index).getOwningLine() == null) {
        index = way.size() - 2;
      }
      Collection<Point> pointsDest;
      if (way.get(index).getClass() == AStarNodeImpl.class) {
        pointsDest =
            getSearchPointsForLine(
                way.get(index).getOwningLine(), way.get(index).getPointGeoCell(), plusMinus, ofy);
      } else {
        Line tempLine = getLineByKey(way.get(index).getOwningLine(), ofy);
        if (tempLine.getType() == 11 || tempLine.getType() == 13 || tempLine.getType() == 15) {
          pointsDest =
              getSearchPointsForLine(
                  way.get(index).getOwningLine(), way.get(index).getPointGeoCell(), 1, ofy);
        } else {
          pointsDest =
              getSearchPointsForLine(
                  way.get(index).getOwningLine(), way.get(index).getPointGeoCell(), 0, ofy);
        }
      }
      Point destPoint = Utils.closestPoint(dest, pointsDest);
      LineProxy c = Utils.getConnection(lastPoint, destPoint, ofy);
      lineProxies.add(c);
      Line lastPointOwner2 = ofy.get(lastPoint.getOwner());
      if (lastPointOwner2.getType() == 1) { // wenn bus, alternativen suchen
        List<Key<Line>> alternativesK = new LinkedList<Key<Line>>();
        PlanQuadrat pq1 = Dao.getInstance().getPlanQuadrat(lastPoint.getDefaultGeoCell(), ofy);
        PlanQuadrat pq2 = Dao.getInstance().getPlanQuadrat(destPoint.getDefaultGeoCell(), ofy);
        int counter = 0;
        for (Key<Line> k1 : pq1.getDirectLineKeys()) {
          if (k1.getId() != lastPoint.getOwner().getId() // nicht der bus der eh schon genommen wird
              && pq2.getDirectLineKeys()
                  .contains(k1) // in anfangs und end PQ gleichermaßen enthalten
              && pq1.getIndices().get(pq1.getDirectLineKeys().indexOf(k1))
                  <= pq2.getIndices().get(pq2.getDirectLineKeys().indexOf(k1))
              && counter < maxAlternatives) {
            alternativesK.add(k1);
            counter++;
            // Logger.getLogger("ListPointsServiceImpl").log(Level.INFO, functionName + ": Matching
            // line: " + KeyFactory.keyToString(k1));
          }
        }
        for (Key<Line> k : alternativesK) {
          Line l = getLineByKey(k, ofy);
          c.addAlternativeLine(l.getLinenum() + " " + l.getRamal());
        }
      } else if (lastPointOwner2.getType() == 21) { // auch für züge alternativen suchen
        //				System.err.println(lastPoint.getOwner() + " " + lastPointOwner2 + " " +
        // lastPoint.getDefaultGeoCell());
        List<Key<Line>> alternativesK = new LinkedList<Key<Line>>();
        Set<TrainNode> tns1 = Dao.getTrainNodes().get(lastNode.getGeoCell());
        Set<TrainNode> tns2 = Dao.getTrainNodes().get(way.get(index).getGeoCell());
        for (TrainNode tn1 : tns1) {
          if (!tn1.getLineKey()
              .equals(lastPoint.getOwner())) { // nicht der Zug der eh schon genommen wird
            for (TrainNode tn2 : tns2) {
              if (tn1.getLineKey().equals(tn2.getLineKey()) // gehören zum gleichen zug
                  && tn1.getIndex() < tn2.getIndex()) { // und der index steig
                alternativesK.add(tn1.getLineKey());
              }
            }
          }
        }
        for (Key<Line> k : alternativesK) {
          Line l = getLineByKey(k, ofy);
          if (!l.getRamal().equals(c.getRamal())) {
            c.addAlternativeLine("Ramal " + l.getRamal());
          }
        }
      }

      walk = Utils.walk(destPoint, new Point(null, dest.getLatitude(), dest.getLongitude(), null));
      lineProxies.add(walk);

      ConnectionProxy cp = new ConnectionProxy(lineProxies);
      return cp;
    } else {
      Logger.getLogger(location).log(Level.INFO, functionName + ": no indirect connection found.");
      return null;
    }
  }
Esempio n. 19
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 @SuppressWarnings("unchecked")
 public List<ArticleLink> getPopularArticlesUrl() {
   return (List<ArticleLink>) cache.get(POPULAR_ARTICLE_KEY);
 }