diff options
Diffstat (limited to 'src/mongo/s/chunk_version.h')
| -rw-r--r-- | src/mongo/s/chunk_version.h | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/src/mongo/s/chunk_version.h b/src/mongo/s/chunk_version.h index 7cfef0533a5..32bafdb7a8b 100644 --- a/src/mongo/s/chunk_version.h +++ b/src/mongo/s/chunk_version.h @@ -77,6 +77,13 @@ public: static StatusWith<ChunkVersion> parseFromBSONForSetShardVersion(const BSONObj& obj); /** + * Interprets the specified BSON content as the format for chunk persistence, which is in the + * form: + * { ..., lastmod: [ <combined major/minor> ], lastmodEpoch: [ <OID epoch> ], ... } + */ + static StatusWith<ChunkVersion> parseFromBSONForChunk(const BSONObj& obj); + + /** * Indicates a dropped collection. All components are zeroes (OID is zero time, zero * machineId/inc). */ @@ -255,12 +262,6 @@ public: // { version : <TS>, versionEpoch : <OID> } object format // - static bool canParseBSON(const BSONObj& obj, const std::string& prefix = "") { - bool canParse; - fromBSON(obj, prefix, &canParse); - return canParse; - } - static ChunkVersion fromBSON(const BSONObj& obj, const std::string& prefix = "") { bool canParse; return fromBSON(obj, prefix, &canParse); @@ -346,10 +347,16 @@ public: void appendForSetShardVersion(BSONObjBuilder* builder) const; /** - * Appends the contents to the specified builder in the format expected by the write commands. + * Appends the contents to the specified builder in the format expected by the sharded commands. */ void appendForCommands(BSONObjBuilder* builder) const; + /** + * Appends the contents to the specified builder in the format expected by the chunk + * serialization/deserialization code. + */ + void appendForChunk(BSONObjBuilder* builder) const; + std::string toString() const { StringBuilder sb; sb << majorVersion() << "|" << minorVersion() << "||" << _epoch; |