38a54df863
People keep tripping over the old copyrights and copy-pasting them to new files. Search and replace "Cloudius Systems" with "ScyllaDB". Message-Id: <1460013664-25966-1-git-send-email-penberg@scylladb.com>
90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Modified by ScyllaDB
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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 "utils/UUID.hh"
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#include "streaming/stream_summary.hh"
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#include <memory>
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#include "core/shared_ptr.hh"
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namespace streaming {
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class stream_session;
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/**
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* StreamTask is an abstraction of the streaming task performed over specific ColumnFamily.
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*/
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class stream_task {
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public:
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using UUID = utils::UUID;
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/** StreamSession that this task belongs */
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shared_ptr<stream_session> session;
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UUID cf_id;
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stream_task(shared_ptr<stream_session> _session, UUID _cf_id);
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virtual ~stream_task();
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public:
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/**
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* @return total number of files this task receives/streams.
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*/
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virtual int get_total_number_of_files() = 0;
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/**
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* @return total bytes expected to receive
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*/
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virtual long get_total_size() = 0;
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/**
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* Abort the task.
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* Subclass should implement cleaning up resources.
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*/
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virtual void abort() = 0;
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/**
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* @return StreamSummary that describes this task
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*/
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virtual stream_summary get_summary() {
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return stream_summary(this->cf_id, this->get_total_number_of_files(), this->get_total_size());
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}
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};
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} // namespace streaming
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