From c3630843d2e30a10d1c15bc6affe0b6db4e430b9 Mon Sep 17 00:00:00 2001
From: parrt <parrt@antlr.org>
Date: Sun, 11 Dec 2011 11:23:42 -0800
Subject: [PATCH] add convenience method

[git-p4: depot-paths = "//depot/code/antlr4/main/": change = 9558]
---
 runtime/Java/src/org/antlr/v4/runtime/atn/ATN.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/runtime/Java/src/org/antlr/v4/runtime/atn/ATN.java b/runtime/Java/src/org/antlr/v4/runtime/atn/ATN.java
index e66dc941c..279a50ef2 100644
--- a/runtime/Java/src/org/antlr/v4/runtime/atn/ATN.java
+++ b/runtime/Java/src/org/antlr/v4/runtime/atn/ATN.java
@@ -118,6 +118,13 @@ public class ATN {
 		return s.decision;
 	}
 
+    public DecisionState getDecisionState(int decision) {
+        if ( decisionToState.size()>0 ) {
+            return decisionToState.get(decision);
+        }
+        return null;
+    }
+
 	public int getNumberOfDecisions() {
 		return decisionToState.size();
 	}