SERVER-37297 Move aggregation pipeline stages that require sharding out of the pipeline lib.

1 files changed, 0 insertions, 140 deletions

diff --git a/src/mongo/db/pipeline/document_source_merge_cursors.cpp b/src/mongo/db/pipeline/document_source_merge_cursors.cpp
deleted file mode 100644
index 795755893de..00000000000
--- a/src/mongo/db/pipeline/document_source_merge_cursors.cpp
+++ /dev/null
@@ -1,140 +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.
- */
-
-#include "mongo/platform/basic.h"
-
-#include "mongo/db/pipeline/document_source_merge_cursors.h"
-#include "mongo/db/pipeline/document_source_sort.h"
-#include "mongo/db/query/find_common.h"
-#include "mongo/executor/task_executor_pool.h"
-#include "mongo/s/grid.h"
-
-namespace mongo {
-
-REGISTER_DOCUMENT_SOURCE(mergeCursors,
-                         LiteParsedDocumentSourceDefault::parse,
-                         DocumentSourceMergeCursors::createFromBson);
-
-constexpr StringData DocumentSourceMergeCursors::kStageName;
-
-DocumentSourceMergeCursors::DocumentSourceMergeCursors(
-    executor::TaskExecutor* executor,
-    AsyncResultsMergerParams armParams,
-    const boost::intrusive_ptr<ExpressionContext>& expCtx,
-    boost::optional<BSONObj> ownedParamsSpec)
-    : DocumentSource(expCtx),
-      _armParamsObj(std::move(ownedParamsSpec)),
-      _executor(executor),
-      _armParams(std::move(armParams)) {}
-
-std::size_t DocumentSourceMergeCursors::getNumRemotes() const {
-    if (_armParams) {
-        return _armParams->getRemotes().size();
-    }
-    return _blockingResultsMerger->getNumRemotes();
-}
-
-bool DocumentSourceMergeCursors::remotesExhausted() const {
-    if (_armParams) {
-        // We haven't started iteration yet.
-        return false;
-    }
-    return _blockingResultsMerger->remotesExhausted();
-}
-
-void DocumentSourceMergeCursors::populateMerger() {
-    invariant(!_blockingResultsMerger);
-    invariant(_armParams);
-    _blockingResultsMerger.emplace(pExpCtx->opCtx, std::move(*_armParams), _executor);
-    _armParams = boost::none;
-}
-
-std::unique_ptr<RouterStageMerge> DocumentSourceMergeCursors::convertToRouterStage() {
-    invariant(!_blockingResultsMerger, "Expected conversion to happen before execution");
-    return stdx::make_unique<RouterStageMerge>(pExpCtx->opCtx, _executor, std::move(*_armParams));
-}
-
-DocumentSource::GetNextResult DocumentSourceMergeCursors::getNext() {
-    if (!_blockingResultsMerger) {
-        populateMerger();
-    }
-
-    auto next = uassertStatusOK(_blockingResultsMerger->next(pExpCtx->opCtx, _execContext));
-    if (next.isEOF()) {
-        return GetNextResult::makeEOF();
-    }
-    return Document::fromBsonWithMetaData(*next.getResult());
-}
-
-Value DocumentSourceMergeCursors::serialize(
-    boost::optional<ExplainOptions::Verbosity> explain) const {
-    invariant(!_blockingResultsMerger);
-    invariant(_armParams);
-    return Value(Document{{kStageName, _armParams->toBSON()}});
-}
-
-boost::intrusive_ptr<DocumentSource> DocumentSourceMergeCursors::createFromBson(
-    BSONElement elem, const boost::intrusive_ptr<ExpressionContext>& expCtx) {
-    uassert(17026,
-            "$mergeCursors stage expected an object as argument",
-            elem.type() == BSONType::Object);
-    auto ownedObj = elem.embeddedObject().getOwned();
-    auto armParams = AsyncResultsMergerParams::parse(IDLParserErrorContext(kStageName), ownedObj);
-    return new DocumentSourceMergeCursors(
-        Grid::get(expCtx->opCtx)->getExecutorPool()->getArbitraryExecutor(),
-        std::move(armParams),
-        expCtx,
-        std::move(ownedObj));
-}
-
-boost::intrusive_ptr<DocumentSourceMergeCursors> DocumentSourceMergeCursors::create(
-    executor::TaskExecutor* executor,
-    AsyncResultsMergerParams params,
-    const boost::intrusive_ptr<ExpressionContext>& expCtx) {
-    return new DocumentSourceMergeCursors(executor, std::move(params), expCtx);
-}
-
-void DocumentSourceMergeCursors::detachFromOperationContext() {
-    if (_blockingResultsMerger) {
-        _blockingResultsMerger->detachFromOperationContext();
-    }
-}
-
-void DocumentSourceMergeCursors::reattachToOperationContext(OperationContext* opCtx) {
-    if (_blockingResultsMerger) {
-        _blockingResultsMerger->reattachToOperationContext(opCtx);
-    }
-}
-
-void DocumentSourceMergeCursors::doDispose() {
-    if (_blockingResultsMerger) {
-        _blockingResultsMerger->kill(pExpCtx->opCtx);
-    }
-}
-
-}  // namespace mongo