exclusive_read_write.hpp

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#pragma once
 
/// @file userver/storages/sqlite/infra/strategy/exclusive_read_write.hpp
/// @brief @copybrief storages::sqlite::infra::strategy::ExclusiveReadWriteStrategy
 
#include <userver/engine/condition_variable.hpp>
#include <userver/engine/mutex.hpp>
 
#include <userver/storages/sqlite/infra/strategy/pool_strategy.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace storages::sqlite::infra::strategy {
 
/// @brief SQLite pool strategy: single shared read-write pool
class ExclusiveReadWriteStrategy final : public PoolStrategyBase {
public:
    ExclusiveReadWriteStrategy(
        const settings::SQLiteSettings& settings,
        engine::TaskProcessor& blocking_task_processor
    );
    ~ExclusiveReadWriteStrategy() final;
 
    void WriteStatistics(utils::statistics::Writer& writer) const final;
 
private:
    Pool& GetReadOnly() const final;
    Pool& GetReadWrite() const final;
 
    PoolPtr InitializeReadWritePoolReference(
        settings::SQLiteSettings settings,
        engine::TaskProcessor& blocking_task_processor
    );
 
    PoolPtr read_write_connection_pool_;
};
 
}  // namespace storages::sqlite::infra::strategy
 
USERVER_NAMESPACE_END