dbAdapter.hpp

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#ifndef RAD_DB_ADAPTER_HPP
#define RAD_DB_ADAPTER_HPP
 
#include <map>
#include <string>
#include <vector>
 
namespace rad {
 
#define DB_EMPTY_RESULT "(nil)"
 
class DbAdapter {
   public:
    virtual ~DbAdapter() = default;
    virtual void Config(const std::string& endpoint, const timeval& timeout) = 0;
 
    virtual int Delete(const std::vector<std::string>& keys) = 0;
    virtual bool Exists(const std::string& key) = 0;
 
    virtual std::string Get(const std::string& key) = 0;
    virtual std::vector<std::string> MultiGet(const std::vector<std::string>& keys) = 0;
    virtual std::string Get(const std::string& key, const std::string& field) = 0;
    virtual std::vector<std::string> MultiGet(const std::string& key,
                                              const std::vector<std::string>& fields) = 0;
    virtual std::map<std::string, std::string> Scan(const std::string& sorted_set,
                                                    const std::string& pattern) = 0;
 
    virtual void Set(const std::string& key, const std::string& value) = 0;
    virtual void MultiSet(const std::vector<std::string>& kvs) = 0;
    virtual void Set(const std::string& key, const std::string& field,
                     const std::string& value) = 0;
    virtual void MultiSet(const std::string& key, const std::vector<std::string>& fvs) = 0;
 
    virtual void Connect() = 0;
    virtual void Disconnect() = 0;
    virtual bool IsConnected() = 0;
};
 
}  // namespace rad
 
#endif