Changing SimpleGraph.matching_edges to expect one event

It previously worked with multiple, but the only caller
actually only ever passed one event.

Signed-off-by: Luke Kanies <luke@madstop.com>

1 files changed, 12 insertions, 14 deletions

diff --git a/lib/puppet/simple_graph.rb b/lib/puppet/simple_graph.rb
index 5e8f5cdb7..91603945c 100644
--- a/lib/puppet/simple_graph.rb
+++ b/lib/puppet/simple_graph.rb
@@ -145,21 +145,19 @@ class Puppet::SimpleGraph
 
     # Collect all of the edges that the passed events match.  Returns
     # an array of edges.
-    def matching_edges(events, base = nil)
-        events.collect do |event|
-            source = base || event.source
+    def matching_edges(event, base = nil)
+        source = base || event.resource
 
-            unless vertex?(source)
-                Puppet.warning "Got an event from invalid vertex %s" % source.ref
-                next
-            end
-            # Get all of the edges that this vertex should forward events
-            # to, which is the same thing as saying all edges directly below
-            # This vertex in the graph.
-            adjacent(source, :direction => :out, :type => :edges).find_all do |edge|
-                edge.match?(event.name)
-            end
-        end.compact.flatten
+        unless vertex?(source)
+            Puppet.warning "Got an event from invalid vertex #{source.ref}"
+            return []
+        end
+        # Get all of the edges that this vertex should forward events
+        # to, which is the same thing as saying all edges directly below
+        # This vertex in the graph.
+        adjacent(source, :direction => :out, :type => :edges).find_all do |edge|
+            edge.match?(event.name)
+        end
     end
 
     # Return a reversed version of this graph.