From a6423bf330c10089d7a0e2aaa8d971d0dcbb3fcf Mon Sep 17 00:00:00 2001
From: maybenotilya <maybenotilya@yandex-team.com>
Date: Fri, 17 Apr 2026 11:57:44 +0300
Subject: YT-26179: Add Abort for readers

* Changelog entry
  Type: feature
  Component: cpp-sdk

Add Abort for table readers
commit_hash:be5026883c90d18333f20468946f1e5a5b71839b
---
 yt/cpp/mapreduce/client/file_reader.h | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

(limited to 'yt/cpp/mapreduce/client/file_reader.h')

diff --git a/yt/cpp/mapreduce/client/file_reader.h b/yt/cpp/mapreduce/client/file_reader.h
index d3efe90f26a..6c7bcc8935e 100644
--- a/yt/cpp/mapreduce/client/file_reader.h
+++ b/yt/cpp/mapreduce/client/file_reader.h
@@ -2,13 +2,12 @@
 
 #include <yt/cpp/mapreduce/common/fwd.h>
 
+#include <yt/cpp/mapreduce/interface/abortable_stream.h>
 #include <yt/cpp/mapreduce/interface/io.h>
 
 #include <yt/cpp/mapreduce/http/context.h>
 #include <yt/cpp/mapreduce/http/requests.h>
 
-class IInputStream;
-
 namespace NYT {
 
 class TPingableTransaction;
@@ -27,6 +26,9 @@ public:
         const TClientContext& context,
         const TTransactionId& transactionId);
 
+    void Abort() override;
+    bool IsAborted() const override;
+
     ~TStreamReaderBase();
 
 protected:
@@ -37,13 +39,13 @@ protected:
 
 private:
     size_t DoRead(void* buf, size_t len) override;
-    virtual std::unique_ptr<IInputStream> Request(const TTransactionId& transactionId, ui64 readBytes) = 0;
+    virtual std::unique_ptr<IAbortableInputStream> Request(const TTransactionId& transactionId, ui64 readBytes) = 0;
 
 private:
     const IClientRetryPolicyPtr ClientRetryPolicy_;
     TFileReaderOptions FileReaderOptions_;
 
-    std::unique_ptr<IInputStream> Input_;
+    std::unique_ptr<IAbortableInputStream> Input_;
 
     std::unique_ptr<TPingableTransaction> ReadTransaction_;
 
@@ -66,7 +68,7 @@ public:
         const TFileReaderOptions& options = {});
 
 private:
-    std::unique_ptr<IInputStream> Request(const TTransactionId& transactionId, ui64 readBytes) override;
+    std::unique_ptr<IAbortableInputStream> Request(const TTransactionId& transactionId, ui64 readBytes) override;
 
 private:
     const ui64 StartOffset_;
@@ -93,7 +95,7 @@ public:
         const TBlobTableReaderOptions& options = {});
 
 private:
-    std::unique_ptr<IInputStream> Request(const TTransactionId& transactionId, ui64 readBytes) override;
+    std::unique_ptr<IAbortableInputStream> Request(const TTransactionId& transactionId, ui64 readBytes) override;
 
 private:
     const ui64 StartOffset_;
-- 
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