From 8c170f7fc0abe63f4a6bdfd9fc554b626ea4b862 Mon Sep 17 00:00:00 2001
From: Quanzheng Long <qlong@indeed.com>
Date: Fri, 19 May 2023 15:56:19 -0700
Subject: [PATCH] Add dead end decision (#60)

---
 iwf/state_decision.go | 8 ++++++++
 iwf/state_movement.go | 1 +
 2 files changed, 9 insertions(+)

diff --git a/iwf/state_decision.go b/iwf/state_decision.go
index 61c986c..8bca161 100644
--- a/iwf/state_decision.go
+++ b/iwf/state_decision.go
@@ -58,6 +58,14 @@ func ForceFailWorkflow(output interface{}) *StateDecision {
 	}
 }
 
+var DeadEnd = &StateDecision{
+	NextStates: []StateMovement{
+		{
+			NextStateId: DeadEndStateId,
+		},
+	},
+}
+
 var GracefulCompletingWorkflow = GracefulCompleteWorkflow(nil)
 
 func GracefulCompleteWorkflow(output interface{}) *StateDecision {
diff --git a/iwf/state_movement.go b/iwf/state_movement.go
index 9b807e1..683061b 100644
--- a/iwf/state_movement.go
+++ b/iwf/state_movement.go
@@ -12,6 +12,7 @@ const (
 	GracefulCompletingWorkflowStateId = "_SYS_GRACEFUL_COMPLETING_WORKFLOW"
 	ForceCompletingWorkflowStateId    = "_SYS_FORCE_COMPLETING_WORKFLOW"
 	ForceFailingWorkflowStateId       = "_SYS_FORCE_FAILING_WORKFLOW"
+	DeadEndStateId                    = "_SYS_DEAD_END"
 )
 
 func NewStateMovement(st WorkflowState, in interface{}) StateMovement {