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| author | Kevin Pulo <kevin.pulo@mongodb.com> | 2019-10-21 11:59:09 +0000 |
|---|---|---|
| committer | evergreen <evergreen@mongodb.com> | 2019-10-21 11:59:09 +0000 |
| commit | c7e3ba1d4f415fb94eace24e1f94e5d4eb60456f (patch) | |
| tree | 96638b25c046aaafe094bcfc8d666d21ae2a3332 /src/mongo/db/repl/read_concern_args.h | |
| parent | 42c40db7ef341b3dbf2b975e61d87ce8000042a9 (diff) | |
| download | mongo-c7e3ba1d4f415fb94eace24e1f94e5d4eb60456f.tar.gz | |
SERVER-43123 SERVER-43124 Use ReadWriteConcernDefaults for incoming mongod requests
Diffstat (limited to 'src/mongo/db/repl/read_concern_args.h')
| -rw-r--r-- | src/mongo/db/repl/read_concern_args.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/src/mongo/db/repl/read_concern_args.h b/src/mongo/db/repl/read_concern_args.h index 310cfc59432..110624649bd 100644 --- a/src/mongo/db/repl/read_concern_args.h +++ b/src/mongo/db/repl/read_concern_args.h @@ -54,12 +54,6 @@ public: static constexpr StringData kAtClusterTimeFieldName = "atClusterTime"_sd; static constexpr StringData kLevelFieldName = "level"_sd; - static constexpr StringData kLocalReadConcernStr = "local"_sd; - static constexpr StringData kMajorityReadConcernStr = "majority"_sd; - static constexpr StringData kLinearizableReadConcernStr = "linearizable"_sd; - static constexpr StringData kAvailableReadConcernStr = "available"_sd; - static constexpr StringData kSnapshotReadConcernStr = "snapshot"_sd; - /** * Represents the internal mechanism an operation uses to satisfy 'majority' read concern. */ @@ -147,6 +141,13 @@ public: bool isEmpty() const; /** + * Returns true if this ReadConcernArgs represents a read concern that was actually specified. + * If the RC was specified as an empty BSON object this will still be true (unlike isEmpty()). + * False represents an absent or missing read concern, ie. one which wasn't present at all. + */ + bool isSpecified() const; + + /** * Returns default kLocalReadConcern if _level is not set. */ ReadConcernLevel getLevel() const; @@ -187,6 +188,12 @@ private: * level is 'majority'. */ MajorityReadMechanism _majorityReadMechanism{MajorityReadMechanism::kMajoritySnapshot}; + + /** + * True indicates that a read concern has been specified (even if it might be empty), as + * opposed to being absent or missing. + */ + bool _specified; }; } // namespace repl |