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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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_tee_consumer.h"
#include <boost/intrusive_ptr.hpp>
#include <boost/optional.hpp>
#include <vector>
#include "mongo/db/exec/document_value/document.h"
#include "mongo/db/pipeline/expression_context.h"
namespace mongo {
using boost::intrusive_ptr;
DocumentSourceTeeConsumer::DocumentSourceTeeConsumer(const intrusive_ptr<ExpressionContext>& expCtx,
size_t facetId,
const intrusive_ptr<TeeBuffer>& bufferSource)
: DocumentSource(kStageName, expCtx), _facetId(facetId), _bufferSource(bufferSource) {}
boost::intrusive_ptr<DocumentSourceTeeConsumer> DocumentSourceTeeConsumer::create(
const boost::intrusive_ptr<ExpressionContext>& expCtx,
size_t facetId,
const boost::intrusive_ptr<TeeBuffer>& bufferSource) {
return new DocumentSourceTeeConsumer(expCtx, facetId, bufferSource);
}
DocumentSource::GetNextResult DocumentSourceTeeConsumer::doGetNext() {
return _bufferSource->getNext(_facetId);
}
void DocumentSourceTeeConsumer::doDispose() {
_bufferSource->dispose(_facetId);
}
Value DocumentSourceTeeConsumer::serialize(
boost::optional<ExplainOptions::Verbosity> explain) const {
// We only serialize this stage in the context of explain.
return explain ? Value(DOC(kStageName << Document())) : Value();
}
} // namespace mongo
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