Package org.apache.mahout.cf.taste.hadoop

Examples of org.apache.mahout.cf.taste.hadoop.TopItemsQueue.top()

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      }
      if (itemsToRecommendFor == null || itemsToRecommendFor.contains(itemID)) {
        float value = (float) element.get();
        if (!Float.isNaN(value)) {

          MutableRecommendedItem topItem = topKItems.top();
          if (value > topItem.getValue()) {
            topItem.set(itemID, value);
            topKItems.updateTop();
          }
        }
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      @Override
      public boolean apply(int itemID, Vector itemFeatures) {
        if (!alreadyRatedItems.contains(itemID)) {
          double predictedRating = userFeatures.dot(itemFeatures);

          MutableRecommendedItem top = topItemsQueue.top();
          if (predictedRating > top.getValue()) {
            top.set(itemID, (float) predictedRating);
            topItemsQueue.updateTop();
          }
        }
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      if (shouldIncludeItemIntoRecommendations(itemID, itemsToRecommendFor, itemsForUser)) {

        float value = (float) element.get();
        if (!Float.isNaN(value)) {

          MutableRecommendedItem topItem = topKItems.top();
          if (value > topItem.getValue()) {
            topItem.set(itemID, value);
            topKItems.updateTop();
          }
        }
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