From 18acdb2401350634700216c342b375f47d9efd60 Mon Sep 17 00:00:00 2001
From: samskivert <samskivert@6335cc39-0255-0410-8fd6-9bcaacd3b74c>
Date: Tue, 7 Jul 2009 18:32:55 +0000
Subject: [PATCH] Check for circular dependency of very small diameter, from
 Mike T.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@2582 6335cc39-0255-0410-8fd6-9bcaacd3b74c
---
 src/java/com/samskivert/util/DependencyGraph.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/java/com/samskivert/util/DependencyGraph.java b/src/java/com/samskivert/util/DependencyGraph.java
index cab24b35..2e8747cc 100644
--- a/src/java/com/samskivert/util/DependencyGraph.java
+++ b/src/java/com/samskivert/util/DependencyGraph.java
@@ -108,7 +108,7 @@ public class DependencyGraph<T>
         if (dependeeNode == null) {
             throw new IllegalArgumentException("Unknown dependee? " + dependee);
         }
-        if (dependsOn(dependee, dependant)) {
+        if (dependee == dependant || dependsOn(dependee, dependant)) {
             throw new IllegalArgumentException("Refusing to create circular dependency.");
         }
         dependantNode.parents.add(dependeeNode);