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Rework DB session + transactions. Now can handle multiple read only transactions in parallel

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This commit is contained in:
emeric
2019-07-16 13:17:23 +02:00
parent 2a1fb0182b
commit 38ce2600d2
79 changed files with 1840 additions and 1369 deletions
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src/similarity/features/SimilarityFeaturesSearcher.hpp
+9 -6
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@@ -22,24 +22,27 @@
#include <map>
#include <set>
#include "database/DatabaseHandler.hpp"
#include "database/Types.hpp"
#include "som/DataNormalizer.hpp"
#include "som/Network.hpp"
#include "SimilarityFeaturesCache.hpp"
namespace Similarity {
namespace Database
{
class Session;
}
namespace Similarity {
class FeaturesSearcher
{
public:
// Use cache
FeaturesSearcher(Wt::Dbo::Session& session, FeaturesCache cache, std::function<bool()> stopRequested);
FeaturesSearcher(Database::Session& session, FeaturesCache cache, std::function<bool()> stopRequested);
// Use training (may be very slow)
FeaturesSearcher(Wt::Dbo::Session& session, std::function<bool()> stopRequested);
FeaturesSearcher(Database::Session& session, std::function<bool()> stopRequested);
bool isValid() const;
@@ -51,7 +54,7 @@ class FeaturesSearcher
std::vector<Database::IdType> getSimilarReleases(Database::IdType releaseId, std::size_t maxCount) const;
std::vector<Database::IdType> getSimilarArtists(Database::IdType artistId, std::size_t maxCount) const;
void dump(Wt::Dbo::Session& session, std::ostream& os) const;
void dump(Database::Session& session, std::ostream& os) const;
FeaturesCache toCache() const;
@@ -59,7 +62,7 @@ class FeaturesSearcher
using ObjectPositions = std::map<Database::IdType, std::set<SOM::Position>>;
void init(Wt::Dbo::Session& session,
void init(Database::Session& session,
SOM::Network network,
ObjectPositions tracksPosition,
std::function<bool()> stopRequested);