101 lines
3.4 KiB
C++
101 lines
3.4 KiB
C++
/*
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* Copyright (C) 2015 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "api.hh"
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#include "api/api-doc/column_family.json.hh"
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#include "database.hh"
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namespace api {
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void set_column_family(http_context& ctx, routes& r);
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const utils::UUID& get_uuid(const sstring& name, const database& db);
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future<> foreach_column_family(http_context& ctx, const sstring& name, std::function<void(column_family&)> f);
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template<class Mapper, class I, class Reducer>
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future<I> map_reduce_cf_raw(http_context& ctx, const sstring& name, I init,
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Mapper mapper, Reducer reducer) {
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auto uuid = get_uuid(name, ctx.db.local());
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return ctx.db.map_reduce0([mapper, uuid](database& db) {
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return mapper(db.find_column_family(uuid));
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}, init, reducer);
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}
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template<class Mapper, class I, class Reducer>
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future<json::json_return_type> map_reduce_cf(http_context& ctx, const sstring& name, I init,
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Mapper mapper, Reducer reducer) {
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return map_reduce_cf_raw(ctx, name, init, mapper, reducer).then([](const I& res) {
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return make_ready_future<json::json_return_type>(res);
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});
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}
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template<class Mapper, class I, class Reducer, class Result>
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future<I> map_reduce_cf_raw(http_context& ctx, const sstring& name, I init,
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Mapper mapper, Reducer reducer, Result result) {
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auto uuid = get_uuid(name, ctx.db.local());
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return ctx.db.map_reduce0([mapper, uuid](database& db) {
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return mapper(db.find_column_family(uuid));
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}, init, reducer);
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}
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template<class Mapper, class I, class Reducer, class Result>
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future<json::json_return_type> map_reduce_cf(http_context& ctx, const sstring& name, I init,
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Mapper mapper, Reducer reducer, Result result) {
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return map_reduce_cf_raw(ctx, name, init, mapper, reducer, result).then([result](const I& res) mutable {
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result = res;
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return make_ready_future<json::json_return_type>(result);
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});
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}
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template<class Mapper, class I, class Reducer>
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future<I> map_reduce_cf_raw(http_context& ctx, I init,
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Mapper mapper, Reducer reducer) {
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return ctx.db.map_reduce0([mapper, init, reducer](database& db) {
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auto res = init;
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for (auto i : db.get_column_families()) {
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res = reducer(res, mapper(*i.second.get()));
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}
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return res;
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}, init, reducer);
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}
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template<class Mapper, class I, class Reducer>
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future<json::json_return_type> map_reduce_cf(http_context& ctx, I init,
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Mapper mapper, Reducer reducer) {
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return map_reduce_cf_raw(ctx, init, mapper, reducer).then([](const I& res) {
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return make_ready_future<json::json_return_type>(res);
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});
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}
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future<json::json_return_type> get_cf_stats(http_context& ctx, const sstring& name,
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int64_t column_family::stats::*f);
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future<json::json_return_type> get_cf_stats(http_context& ctx,
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int64_t column_family::stats::*f);
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}
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