userver: userver/storages/redis/impl/reply/ttl_reply.hpp Source File
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ttl_reply.hpp
1#pragma once
2
3#include <cstdint>
4#include <string>
5
6#include <userver/storages/redis/exception.hpp>
7#include <userver/storages/redis/impl/types.hpp>
8
9USERVER_NAMESPACE_BEGIN
10
11namespace redis {
12
13class TtlReply final {
14 public:
15 enum class TtlReplyValue { kKeyDoesNotExist = -2, kKeyHasNoExpiration = -1 };
16
17 static constexpr TtlReplyValue kKeyDoesNotExist =
18 TtlReplyValue::kKeyDoesNotExist;
19 static constexpr TtlReplyValue kKeyHasNoExpiration =
20 TtlReplyValue::kKeyHasNoExpiration;
21
22 explicit TtlReply(int64_t value);
23 TtlReply(TtlReplyValue value);
24
25 static TtlReply Parse(ReplyData&& reply_data,
26 const std::string& request_description = {});
27
28 bool KeyExists() const;
29 bool KeyHasExpiration() const;
30 size_t GetExpireSeconds() const;
31
32 private:
33 int64_t value_;
34};
35
36/// Trying to get expiration from a nonexistent or a persistent key
38 public:
39 using Exception::Exception;
40};
41
42} // namespace redis
43
44USERVER_NAMESPACE_END