public override async Task RunAction()

in Forge.TreeWalker/src/SubroutineAction.cs [48:78]
18 lines of code
2 McCabe index (conditional complexity)

        public override async Task<ActionResponse> RunAction(ActionContext actionContext)
        {
            SubroutineInput input = (SubroutineInput)actionContext.ActionInput;

            // Rehydrate the subroutine's SessionId if previously persisted.
            SubroutineIntermediates intermediates = await actionContext.GetIntermediates<SubroutineIntermediates>();
            if (intermediates == null)
            {
                intermediates = new SubroutineIntermediates()
                {
                    SessionId = Guid.NewGuid()
                };

                await actionContext.CommitIntermediates<SubroutineIntermediates>(intermediates);
            }

            // Initialize TreeWalkerSession for this subroutine.
            TreeWalkerSession subroutineSession = this.parameters.InitializeSubroutineTree(input, intermediates.SessionId, this.parameters);

            // Update KeyPrefix of ForgeState for state persistence separation.
            subroutineSession.Parameters.ForgeState.UpdateKeyPrefix(subroutineSession.Parameters.RootSessionId, subroutineSession.Parameters.SessionId);

            // Walk tree starting at CurrentTreeNode if persisted, otherwise RootTreeNodeKey if given, otherwise "Root" as default.
            string currentTreeNode = await subroutineSession.GetCurrentTreeNode() ?? subroutineSession.Schema.RootTreeNodeKey;

            // WalkTree may throw exceptions. We let this happen to allow for possible retry handling.
            await subroutineSession.WalkTree(currentTreeNode);

            // Return the subroutine's last action response if available, otherwise return tree walker Status.
            return await subroutineSession.GetLastActionResponseAsync() ?? new ActionResponse() { Status = subroutineSession.Status };
        }