SERVER-49061 Command base class changes for Versioned API

2 files changed, 14 insertions, 0 deletions

diff --git a/src/mongo/db/commands.cpp b/src/mongo/db/commands.cpp
index 7ed29dd83de..bd037fd0e59 100644
--- a/src/mongo/db/commands.cpp
+++ b/src/mongo/db/commands.cpp
@@ -68,6 +68,8 @@
 namespace mongo {
 
 using logv2::LogComponent;
+const std::set<std::string> kNoApiVersions = {};
+const std::set<std::string> kApiVersions1 = {"1"};
 
 namespace {
 
diff --git a/src/mongo/db/commands.h b/src/mongo/db/commands.h
index 08af2938a79..c029cf9febe 100644
--- a/src/mongo/db/commands.h
+++ b/src/mongo/db/commands.h
@@ -58,6 +58,8 @@ namespace mongo {
 extern FailPoint failCommand;
 extern FailPoint waitInCommandMarkKillOnClientDisconnect;
 extern const OperationContext::Decoration<boost::optional<BSONArray>> errorLabelsOverride;
+extern const std::set<std::string> kNoApiVersions;
+extern const std::set<std::string> kApiVersions1;
 
 class Command;
 class CommandInvocation;
@@ -353,6 +355,16 @@ public:
         return false;
     }
 
+    // List of API versions that include this command.
+    virtual const std::set<std::string>& apiVersions() const {
+        return kNoApiVersions;
+    };
+
+    // API versions in which this command is deprecated.
+    virtual const std::set<std::string>& deprecatedApiVersions() const {
+        return kNoApiVersions;
+    };
+
     /**
      * Like adminOnly, but even stricter: we must either be authenticated for admin db,
      * or, if running without auth, on the local interface.  Used for things which