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[routing] Adding a comment to FeaturesLoaderGuard.

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Vladimir Byko-Ianko 2020-10-21 08:07:24 +03:00 • committed by mpimenov
parent 5393db32c2
commit 3fa1e93ca7
1 changed files with 5 additions and 0 deletions
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5
indexer/data_source.hpp
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@ -89,6 +89,11 @@ public:
/// Guard for loading features from particular MWM by demand.
/// @note This guard is suitable when mwm is loaded.
/// @note If you need to work with |FeatureType| from different threads you need to use
/// a unique |FeaturesLoaderGuard| instance for every threads. Construction of
/// |FeaturesLoaderGuard| should be serialized. Then instances of |FeaturesLoaderGuard|
/// may be used concurrently. The example of concurrent use of |FeaturesLoaderGuard|
/// please see |ConcurrentFeatureParsingTest|.
class FeaturesLoaderGuard
{
public: