rel.h

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#pragma once
 
#include <cstdint>
#include <memory>
#include <string>
#include <utility>
#include <vector>
 
#include "api.h"
 
namespace kuzu {
namespace common {
 
class Value;
 
class RelVal {
public:
    KUZU_API static std::vector<std::pair<std::string, std::unique_ptr<Value>>> getProperties(
        const Value* val);
    KUZU_API static uint64_t getNumProperties(const Value* val);
    KUZU_API static std::string getPropertyName(const Value* val, uint64_t index);
    KUZU_API static Value* getPropertyVal(const Value* val, uint64_t index);
    KUZU_API static Value* getSrcNodeIDVal(const Value* val);
    KUZU_API static Value* getDstNodeIDVal(const Value* val);
    KUZU_API static Value* getIDVal(const Value* val);
    KUZU_API static Value* getLabelVal(const Value* val);
    KUZU_API static std::string toString(const Value* val);
 
private:
    static void throwIfNotRel(const Value* val);
    // 4 offset for id, label, src, dst.
    static constexpr uint64_t OFFSET = 4;
};
 
} // namespace common
} // namespace kuzu