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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/>.
*/
#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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