mirror of
https://github.com/scylladb/scylladb.git
synced 2026-06-02 21:17:01 +00:00
2d73c193e7
This object stores all read relevant context required all over the place. This leads to a cleaner code. Signed-off-by: Piotr Jastrzebski <piotr@scylladb.com> [tgrabiec: - made read_context shareable to allow storing shared mutable state later - added range and cache getters ]
72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
/*
|
|
* Copyright (C) 2017 ScyllaDB
|
|
*/
|
|
|
|
/*
|
|
* This file is part of Scylla.
|
|
*
|
|
* Scylla is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Scylla is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "schema.hh"
|
|
#include "query-request.hh"
|
|
#include "streamed_mutation.hh"
|
|
#include "partition_version.hh"
|
|
#include "tracing/tracing.hh"
|
|
#include "row_cache.hh"
|
|
|
|
namespace cache {
|
|
|
|
class read_context final : public enable_lw_shared_from_this<read_context> {
|
|
row_cache& _cache;
|
|
schema_ptr _schema;
|
|
const dht::partition_range& _range;
|
|
const query::partition_slice& _slice;
|
|
const io_priority_class& _pc;
|
|
tracing::trace_state_ptr _trace_state;
|
|
streamed_mutation::forwarding _fwd;
|
|
mutation_reader::forwarding _fwd_mr;
|
|
public:
|
|
read_context(row_cache& cache,
|
|
schema_ptr schema,
|
|
const dht::partition_range& range,
|
|
const query::partition_slice& slice,
|
|
const io_priority_class& pc,
|
|
tracing::trace_state_ptr trace_state,
|
|
streamed_mutation::forwarding fwd,
|
|
mutation_reader::forwarding fwd_mr)
|
|
: _cache(cache)
|
|
, _schema(std::move(schema))
|
|
, _range(range)
|
|
, _slice(slice)
|
|
, _pc(pc)
|
|
, _trace_state(std::move(trace_state))
|
|
, _fwd(fwd)
|
|
, _fwd_mr(fwd_mr)
|
|
{ }
|
|
read_context(const read_context&) = delete;
|
|
row_cache& cache() { return _cache; }
|
|
const schema_ptr& schema() const { return _schema; }
|
|
const dht::partition_range& range() const { return _range; }
|
|
const query::partition_slice& slice() const { return _slice; }
|
|
const io_priority_class& pc() const { return _pc; }
|
|
tracing::trace_state_ptr trace_state() const { return _trace_state; }
|
|
streamed_mutation::forwarding fwd() const { return _fwd; }
|
|
mutation_reader::forwarding fwd_mr() const { return _fwd_mr; }
|
|
};
|
|
|
|
}
|