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/**
* Copyright 2011 (c) 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 "mongo/pch.h"
#include "mongo/db/pipeline/document.h"
#include "mongo/db/pipeline/document_source.h"
namespace mongo {
boost::optional<Document> DocumentSourceBsonArray::getNext() {
pExpCtx->checkForInterrupt();
if (!arrayIterator.more())
return boost::none;
return Document(arrayIterator.next().Obj());
}
void DocumentSourceBsonArray::setSource(DocumentSource *pSource) {
/* this doesn't take a source */
verify(false);
}
DocumentSourceBsonArray::DocumentSourceBsonArray(
BSONElement *pBsonElement,
const intrusive_ptr<ExpressionContext> &pExpCtx)
: DocumentSource(pExpCtx)
, embeddedObject(pBsonElement->embeddedObject())
, arrayIterator(embeddedObject)
{}
intrusive_ptr<DocumentSourceBsonArray> DocumentSourceBsonArray::create(
BSONElement *pBsonElement,
const intrusive_ptr<ExpressionContext> &pExpCtx) {
verify(pBsonElement->type() == Array);
intrusive_ptr<DocumentSourceBsonArray> pSource(
new DocumentSourceBsonArray(pBsonElement, pExpCtx));
return pSource;
}
Value DocumentSourceBsonArray::serialize(bool explain) const {
if (explain) {
return Value(DOC("bsonArray" << Document()));
}
return Value();
}
}
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