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authorKonstantin Käfer <mail@kkaefer.com>2017-06-21 13:01:33 -0700
committerKonstantin Käfer <mail@kkaefer.com>2017-06-21 17:18:08 -0700
commit122db775818a305cbae797875cc5aae48b6dfe19 (patch)
treea351f9f8dc8735c7e8f5d638003fc9917cac8d40
parent244484ca6c64b6024a59786a194ea8ba19fae809 (diff)
downloadqtlocation-mapboxgl-122db775818a305cbae797875cc5aae48b6dfe19.tar.gz
[core] document lifetimes of GeometryTileFeatures
-rw-r--r--src/mbgl/tile/geometry_tile_data.hpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mbgl/tile/geometry_tile_data.hpp b/src/mbgl/tile/geometry_tile_data.hpp
index 741c5149a9..449d8cab28 100644
--- a/src/mbgl/tile/geometry_tile_data.hpp
+++ b/src/mbgl/tile/geometry_tile_data.hpp
@@ -51,7 +51,11 @@ class GeometryTileLayer {
public:
virtual ~GeometryTileLayer() = default;
virtual std::size_t featureCount() const = 0;
+
+ // Returns the feature object at the given position within the layer. The returned feature
+ // object may *not* outlive the layer object.
virtual std::unique_ptr<GeometryTileFeature> getFeature(std::size_t) const = 0;
+
virtual std::string getName() const = 0;
};
@@ -59,6 +63,9 @@ class GeometryTileData {
public:
virtual ~GeometryTileData() = default;
virtual std::unique_ptr<GeometryTileData> clone() const = 0;
+
+ // Returns the layer with the given name. The returned layer object *may* outlive the data
+ // object.
virtual std::unique_ptr<GeometryTileLayer> getLayer(const std::string&) const = 0;
};