f3eade2f62
Drop the AGPL license in favor of a source-available license. See the blog post [1] for details. [1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
/*
|
|
* Copyright (C) 2022-present ScyllaDB
|
|
*/
|
|
|
|
/*
|
|
* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "seastarx.hh"
|
|
|
|
#include <seastar/core/loop.hh>
|
|
|
|
namespace sstables {
|
|
class sstable;
|
|
}
|
|
|
|
class partition_start;
|
|
class static_row;
|
|
class clustering_row;
|
|
class range_tombstone_change;
|
|
class partition_end;
|
|
|
|
// stop_iteration::no -> continue consuming sstable content
|
|
class sstable_consumer {
|
|
public:
|
|
virtual ~sstable_consumer() = default;
|
|
// called at the very start
|
|
virtual future<> consume_stream_start() = 0;
|
|
// stop_iteration::yes -> consume_end_of_sstable() - skip sstable content
|
|
// sstable parameter is nullptr when merging multiple sstables
|
|
virtual future<stop_iteration> consume_sstable_start(const sstables::sstable* const) = 0;
|
|
// stop_iteration::yes -> consume(partition_end) - skip partition content
|
|
virtual future<stop_iteration> consume(partition_start&&) = 0;
|
|
// stop_iteration::yes -> consume(partition_end) - skip remaining partition content
|
|
virtual future<stop_iteration> consume(static_row&&) = 0;
|
|
// stop_iteration::yes -> consume(partition_end) - skip remaining partition content
|
|
virtual future<stop_iteration> consume(clustering_row&&) = 0;
|
|
// stop_iteration::yes -> consume(partition_end) - skip remaining partition content
|
|
virtual future<stop_iteration> consume(range_tombstone_change&&) = 0;
|
|
// stop_iteration::yes -> consume_end_of_sstable() - skip remaining partitions in sstable
|
|
virtual future<stop_iteration> consume(partition_end&&) = 0;
|
|
// stop_iteration::yes -> full stop - skip remaining sstables
|
|
virtual future<stop_iteration> consume_sstable_end() = 0;
|
|
// called at the very end
|
|
virtual future<> consume_stream_end() = 0;
|
|
};
|