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#pragma once
#include <unordered_map>
#include <library/cpp/threading/future/core/future.h>
#include <yql/essentials/minikql/computation/mkql_spiller.h>
namespace NKikimr::NMiniKQL {
//Dummy synchronous in-memory spiller
class TMockSpiller: public ISpiller{
public:
TMockSpiller()
: NextKey(0)
{}
NThreading::TFuture<TKey> Put(NYql::TChunkedBuffer&& blob) override {
auto promise = NThreading::NewPromise<ISpiller::TKey>();
auto key = NextKey;
Storage[key] = std::move(blob);
NextKey++;
promise.SetValue(key);
return promise.GetFuture();;
}
NThreading::TFuture<std::optional<NYql::TChunkedBuffer>> Get(TKey key) override {
auto promise = NThreading::NewPromise<std::optional<NYql::TChunkedBuffer>>();
if (auto it = Storage.find(key); it != Storage.end()) {
promise.SetValue(it->second);
} else {
promise.SetValue(std::nullopt);
}
return promise.GetFuture();
}
NThreading::TFuture<std::optional<NYql::TChunkedBuffer>> Extract(TKey key) override {
auto promise = NThreading::NewPromise<std::optional<NYql::TChunkedBuffer>>();
if (auto it = Storage.find(key); it != Storage.end()) {
promise.SetValue(std::move(it->second));
Storage.erase(it);
} else {
promise.SetValue(std::nullopt);
}
return promise.GetFuture();
}
NThreading::TFuture<void> Delete(TKey key) override {
auto promise = NThreading::NewPromise<void>();
promise.SetValue();
Storage.erase(key);
return promise.GetFuture();
}
private:
ISpiller::TKey NextKey;
std::unordered_map<ISpiller::TKey, NYql::TChunkedBuffer> Storage;
};
inline ISpiller::TPtr CreateMockSpiller() {
return std::make_shared<TMockSpiller>();
}
} //namespace NKikimr::NMiniKQL
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