1 files changed, 0 insertions, 73 deletions
diff --git a/src/mongo/db/range_preserver.h b/src/mongo/db/range_preserver.h
deleted file mode 100644
index 2a893c61b87..00000000000
--- a/src/mongo/db/range_preserver.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/**
- *    Copyright (C) 2013 10gen 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 <boost/optional.hpp>
-
-#include "mongo/db/catalog/collection.h"
-#include "mongo/db/clientcursor.h"
-
-namespace mongo {
-
-/**
- * A RangePreserver prevents the RangeDeleter from removing any new data ranges in a collection.
- * Previously queued ranges may still be deleted but the documents in those ranges will be
- * filtered by CollectionMetadata::belongsToMe.
- */
-class RangePreserver {
-public:
-    /**
-     * Sharding uses the set of active cursor IDs as the current state. We pin a dummy
-     * ClientCursor, which creates an additional cursor ID. The cursor ID lasts as long as this
-     * object does. The ClientCursorPin guarantees that the underlying ClientCursor is not deleted
-     * until this object goes out of scope.
-     */
-    RangePreserver(OperationContext* opCtx, const Collection* collection) {
-        // Empty collections don't have any data we need to preserve
-        if (collection) {
-            // Pin keeps the CC from being deleted while it's in scope.  We delete it ourselves.
-            _pin.emplace(
-                collection->getCursorManager()->registerRangePreserverCursor(opCtx, collection));
-        }
-    }
-
-    void release() {
-        if (_pin) {
-            _pin->deleteUnderlying();
-            _pin.reset();
-        }
-    }
-
-    ~RangePreserver() {
-        release();
-    }
-
-private:
-    boost::optional<ClientCursorPin> _pin;
-};
-
-}  // namespace mongo