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// ephemeral_for_test_recovery_unit.h
/**
* Copyright (C) 2014 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.
*/
#pragma once
#include <vector>
#include "mongo/db/record_id.h"
#include "mongo/db/storage/recovery_unit.h"
#include "mongo/stdx/functional.h"
namespace mongo {
class SortedDataInterface;
class EphemeralForTestRecoveryUnit : public RecoveryUnit {
public:
EphemeralForTestRecoveryUnit(stdx::function<void()> cb = nullptr)
: _waitUntilDurableCallback(cb) {}
void beginUnitOfWork(OperationContext* opCtx) final{};
void commitUnitOfWork() final;
void abortUnitOfWork() final;
virtual bool waitUntilDurable() {
if (_waitUntilDurableCallback) {
_waitUntilDurableCallback();
}
return true;
}
virtual void abandonSnapshot() {}
Status obtainMajorityCommittedSnapshot() final;
virtual void registerChange(Change* change) {
_changes.push_back(ChangePtr(change));
}
virtual SnapshotId getSnapshotId() const {
return SnapshotId();
}
virtual void setOrderedCommit(bool orderedCommit) {}
virtual void prepareUnitOfWork() override {}
virtual void setPrepareTimestamp(Timestamp ts) override {
_prepareTimestamp = ts;
}
virtual Timestamp getPrepareTimestamp() const override {
return _prepareTimestamp;
}
virtual void setCommitTimestamp(Timestamp ts) override {
_commitTimestamp = ts;
}
virtual Timestamp getCommitTimestamp() const override {
return _commitTimestamp;
}
virtual void clearCommitTimestamp() override {
_commitTimestamp = Timestamp::min();
}
private:
typedef std::shared_ptr<Change> ChangePtr;
typedef std::vector<ChangePtr> Changes;
Changes _changes;
stdx::function<void()> _waitUntilDurableCallback;
Timestamp _prepareTimestamp = Timestamp::min();
Timestamp _commitTimestamp = Timestamp::min();
};
} // namespace mongo
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