blob: e0ce2706d8e62a38316c52b097f7c4012c878235 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
#pragma once
#include <library/cpp/threading/future/core/future.h>
#include <yql/essentials/utils/chunked_buffer.h>
namespace NKikimr::NMiniKQL {
struct ISpiller
{
using TPtr = std::shared_ptr<ISpiller>;
virtual ~ISpiller(){}
using TKey = ui64;
virtual NThreading::TFuture<TKey> Put(NYql::TChunkedBuffer&& blob) = 0;
///\return
/// nullopt for absent keys
/// TFuture
virtual NThreading::TFuture<std::optional<NYql::TChunkedBuffer>> Get(TKey key) = 0;
virtual NThreading::TFuture<void> Delete(TKey) = 0;
///Get + Delete
///Stored value may be moved to future
virtual NThreading::TFuture<std::optional<NYql::TChunkedBuffer>> Extract(TKey key) = 0;
};
}//namespace NKikimr::NMiniKQL
|
