SERVER-20224 commands that write support writeConcern

1 files changed, 12 insertions, 0 deletions

diff --git a/src/mongo/db/write_concern_options.h b/src/mongo/db/write_concern_options.h
index 0c187ed2887..f969fc08031 100644
--- a/src/mongo/db/write_concern_options.h
+++ b/src/mongo/db/write_concern_options.h
@@ -64,6 +64,15 @@ public:
     Status parse(const BSONObj& obj);
 
     /**
+     * Attempts to extract a writeConcern from cmdObj.
+     * Verifies that the writeConcern is of type Object (BSON type).
+     */
+    static StatusWith<WriteConcernOptions> extractWCFromCommand(
+        const BSONObj& cmdObj,
+        const std::string& dbName,
+        const WriteConcernOptions& defaultWC = WriteConcernOptions());
+
+    /**
      * Return true if the server needs to wait for other secondary nodes to satisfy this
      * write concern setting. Errs on the false positive for non-empty wMode.
      */
@@ -95,6 +104,9 @@ public:
 
     // Timeout in milliseconds.
     int wTimeout;
+
+    // True if the default write concern was used.
+    bool usedDefault = false;
 };
 
 }  // namespace mongo