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Check for circular dependency of very small diameter, from Mike T.

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git-svn-id: https://samskivert.googlecode.com/svn/trunk@2582 6335cc39-0255-0410-8fd6-9bcaacd3b74c
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samskivert
2009-07-07 18:32:55 +00:00
parent 2f35801566
commit 18acdb2401
1 changed files with 1 additions and 1 deletions
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src/java/com/samskivert/util/DependencyGraph.java
+1 -1
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@@ -108,7 +108,7 @@ public class DependencyGraph<T>
if (dependeeNode == null) { if (dependeeNode == null) {
throw new IllegalArgumentException("Unknown dependee? " + dependee); throw new IllegalArgumentException("Unknown dependee? " + dependee);
} }
if (dependsOn(dependee, dependant)) { if (dependee == dependant || dependsOn(dependee, dependant)) {
throw new IllegalArgumentException("Refusing to create circular dependency."); throw new IllegalArgumentException("Refusing to create circular dependency.");
} }
dependantNode.parents.add(dependeeNode); dependantNode.parents.add(dependeeNode);