8045751867
Use `consume_` consistently across the entire interface, instead of having some methods with `on_` and others with `consume_` prefixes.
49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
/*
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* Copyright (C) 2022-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#pragma once
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#include "seastarx.hh"
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#include <seastar/core/loop.hh>
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namespace sstables {
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class sstable;
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}
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class partition_start;
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class static_row;
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class clustering_row;
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class range_tombstone_change;
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class partition_end;
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// stop_iteration::no -> continue consuming sstable content
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class sstable_consumer {
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public:
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virtual ~sstable_consumer() = default;
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// called at the very start
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virtual future<> consume_stream_start() = 0;
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// stop_iteration::yes -> consume_end_of_sstable() - skip sstable content
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// sstable parameter is nullptr when merging multiple sstables
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virtual future<stop_iteration> consume_sstable_start(const sstables::sstable* const) = 0;
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// stop_iteration::yes -> consume(partition_end) - skip partition content
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virtual future<stop_iteration> consume(partition_start&&) = 0;
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// stop_iteration::yes -> consume(partition_end) - skip remaining partition content
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virtual future<stop_iteration> consume(static_row&&) = 0;
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// stop_iteration::yes -> consume(partition_end) - skip remaining partition content
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virtual future<stop_iteration> consume(clustering_row&&) = 0;
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// stop_iteration::yes -> consume(partition_end) - skip remaining partition content
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virtual future<stop_iteration> consume(range_tombstone_change&&) = 0;
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// stop_iteration::yes -> consume_end_of_sstable() - skip remaining partitions in sstable
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virtual future<stop_iteration> consume(partition_end&&) = 0;
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// stop_iteration::yes -> full stop - skip remaining sstables
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virtual future<stop_iteration> consume_sstable_end() = 0;
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// called at the very end
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virtual future<> consume_stream_end() = 0;
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};
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