1 files changed, 0 insertions, 110 deletions
diff --git a/src/mongo/db/pipeline/document_source_backup_cursor.cpp b/src/mongo/db/pipeline/document_source_backup_cursor.cpp
deleted file mode 100644
index cb1ce4264d5..00000000000
--- a/src/mongo/db/pipeline/document_source_backup_cursor.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-/**
- * Copyright (C) 2018 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.
- */
-
-#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kQuery
-
-#include "mongo/platform/basic.h"
-
-#include "mongo/db/pipeline/document_source_backup_cursor.h"
-
-#include <vector>
-
-#include "mongo/bson/bsonmisc.h"
-#include "mongo/util/log.h"
-
-namespace mongo {
-
-REGISTER_DOCUMENT_SOURCE(backupCursor,
-                         DocumentSourceBackupCursor::LiteParsed::parse,
-                         DocumentSourceBackupCursor::createFromBson);
-
-const char* DocumentSourceBackupCursor::kStageName = "$backupCursor";
-
-DocumentSourceBackupCursor::DocumentSourceBackupCursor(
-    const boost::intrusive_ptr<ExpressionContext>& pExpCtx)
-    : DocumentSource(pExpCtx),
-      _backupCursorState(pExpCtx->mongoProcessInterface->openBackupCursor(pExpCtx->opCtx)) {}
-
-
-DocumentSourceBackupCursor::~DocumentSourceBackupCursor() {
-    try {
-        pExpCtx->mongoProcessInterface->closeBackupCursor(pExpCtx->opCtx,
-                                                          _backupCursorState.cursorId);
-    } catch (DBException& exc) {
-        severe() << exc.toStatus("Error closing a backup cursor.");
-        fassertFailed(50909);
-    }
-}
-
-DocumentSource::GetNextResult DocumentSourceBackupCursor::getNext() {
-    pExpCtx->checkForInterrupt();
-
-    if (_backupCursorState.preamble) {
-        Document doc = _backupCursorState.preamble.get();
-        _backupCursorState.preamble = boost::none;
-
-        return std::move(doc);
-    }
-
-    if (!_backupCursorState.filenames.empty()) {
-        Document doc = {{"filename", _backupCursorState.filenames.back()}};
-        _backupCursorState.filenames.pop_back();
-
-        return std::move(doc);
-    }
-
-    return GetNextResult::makeEOF();
-}
-
-boost::intrusive_ptr<DocumentSource> DocumentSourceBackupCursor::createFromBson(
-    BSONElement spec, const boost::intrusive_ptr<ExpressionContext>& pExpCtx) {
-    // The anticipated usage of a backup cursor: open the backup cursor, consume the results, copy
-    // data off disk, close the backup cursor. The backup cursor must be successfully closed for
-    // the data copied to be valid. Hence, the caller needs a way to keep the cursor open after
-    // consuming the results, as well as the ability to send "heartbeats" to prevent the client
-    // cursor manager from timing out the backup cursor. A backup cursor does consume resources;
-    // in the event the calling process crashes, the cursors should eventually be timed out.
-    pExpCtx->tailableMode = TailableModeEnum::kTailable;
-
-    uassert(
-        ErrorCodes::FailedToParse,
-        str::stream() << kStageName << " value must be an object. Found: " << typeName(spec.type()),
-        spec.type() == BSONType::Object);
-
-    uassert(ErrorCodes::CannotBackup,
-            str::stream() << kStageName << " cannot be executed against a MongoS.",
-            !pExpCtx->inMongos && !pExpCtx->fromMongos && !pExpCtx->needsMerge);
-
-    return new DocumentSourceBackupCursor(pExpCtx);
-}
-
-Value DocumentSourceBackupCursor::serialize(
-    boost::optional<ExplainOptions::Verbosity> explain) const {
-    return Value(BSON(kStageName << 1));
-}
-}  // namespace mongo