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/**
* Copyright (C) 2017 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/s/chunk_splitter.h"
#include "mongo/db/client.h"
#include "mongo/db/namespace_string.h"
#include "mongo/db/operation_context.h"
#include "mongo/s/catalog/type_chunk.h"
namespace mongo {
namespace {
/**
* Constructs the default options for the thread pool used by the cache loader.
*/
ThreadPool::Options makeDefaultThreadPoolOptions() {
ThreadPool::Options options;
options.poolName = "ChunkSplitter";
options.minThreads = 0;
options.maxThreads = 1;
// Ensure all threads have a client
options.onCreateThread = [](const std::string& threadName) {
Client::initThread(threadName.c_str());
};
return options;
}
} // namespace
ChunkSplitter::ChunkSplitter() : _threadPool(makeDefaultThreadPoolOptions()) {
_threadPool.startup();
}
ChunkSplitter::~ChunkSplitter() {
_threadPool.shutdown();
_threadPool.join();
}
bool ChunkSplitter::trySplitting(OperationContext* opCtx,
const NamespaceString& nss,
const ChunkRange& chunkRange) {
return false;
}
} // namespace mongo
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