diff options
Diffstat (limited to 'src/mongo/db/pipeline/document_source.h')
| -rw-r--r-- | src/mongo/db/pipeline/document_source.h | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/src/mongo/db/pipeline/document_source.h b/src/mongo/db/pipeline/document_source.h index e9885f2aaa5..f87a81c9be1 100644 --- a/src/mongo/db/pipeline/document_source.h +++ b/src/mongo/db/pipeline/document_source.h @@ -865,10 +865,13 @@ public: GetDepsReturn getDependencies(DepsTracker* deps) const final; /** - Create a filter. + * Convenience method for creating a $match stage. + */ + static boost::intrusive_ptr<DocumentSourceMatch> create( + BSONObj filter, const boost::intrusive_ptr<ExpressionContext>& expCtx); - @param pBsonElement the raw BSON specification for the filter - @returns the filter + /** + * Parses a $match stage from 'elem'. */ static boost::intrusive_ptr<DocumentSource> createFromBson( BSONElement elem, const boost::intrusive_ptr<ExpressionContext>& pCtx); @@ -2063,6 +2066,15 @@ private: */ class DocumentSourceProject final { public: + /** + * Convenience method to create a $project stage from 'projectSpec'. + */ + static boost::intrusive_ptr<DocumentSource> create( + BSONObj projectSpec, const boost::intrusive_ptr<ExpressionContext>& expCtx); + + /** + * Parses a $project stage from the user-supplied BSON. + */ static boost::intrusive_ptr<DocumentSource> createFromBson( BSONElement elem, const boost::intrusive_ptr<ExpressionContext>& pExpCtx); @@ -2076,8 +2088,17 @@ private: */ class DocumentSourceAddFields final { public: + /** + * Convenience method for creating a $addFields stage from 'addFieldsSpec'. + */ + static boost::intrusive_ptr<DocumentSource> create( + BSONObj addFieldsSpec, const boost::intrusive_ptr<ExpressionContext>& expCtx); + + /** + * Parses a $addFields stage from the user-supplied BSON. + */ static boost::intrusive_ptr<DocumentSource> createFromBson( - BSONElement elem, const boost::intrusive_ptr<ExpressionContext>& pExpCtx); + BSONElement elem, const boost::intrusive_ptr<ExpressionContext>& expCtx); private: DocumentSourceAddFields() = default; |