From 89edfbd3a452ce80b1865b136df8a13aad7835b4 Mon Sep 17 00:00:00 2001
From: Guo Xiang Tan <tgx_world@hotmail.com>
Date: Wed, 18 Jun 2014 19:16:30 -0700
Subject: Partition routes during setup.

Partitioning of all the routes is currently being done during the
first request. Since there is no need to clear the cache for
`partitioned_routes` when adding a new route. We can move the
partitioning of the routes during setup time.
---
 actionpack/lib/action_dispatch/journey/router.rb |  2 +-
 actionpack/lib/action_dispatch/journey/routes.rb | 19 ++++++++++++-------
 2 files changed, 13 insertions(+), 8 deletions(-)

(limited to 'actionpack/lib')

diff --git a/actionpack/lib/action_dispatch/journey/router.rb b/actionpack/lib/action_dispatch/journey/router.rb
index e9df984c86..ed63a5bd8b 100644
--- a/actionpack/lib/action_dispatch/journey/router.rb
+++ b/actionpack/lib/action_dispatch/journey/router.rb
@@ -88,7 +88,7 @@ module ActionDispatch
         end
 
         def custom_routes
-          partitioned_routes.last
+          routes.custom_routes
         end
 
         def filter_routes(path)
diff --git a/actionpack/lib/action_dispatch/journey/routes.rb b/actionpack/lib/action_dispatch/journey/routes.rb
index 80e3818ccd..a6d1980db2 100644
--- a/actionpack/lib/action_dispatch/journey/routes.rb
+++ b/actionpack/lib/action_dispatch/journey/routes.rb
@@ -5,13 +5,14 @@ module ActionDispatch
     class Routes # :nodoc:
       include Enumerable
 
-      attr_reader :routes, :named_routes
+      attr_reader :routes, :named_routes, :custom_routes, :anchored_routes
 
       def initialize
         @routes             = []
         @named_routes       = {}
         @ast                = nil
-        @partitioned_routes = nil
+        @anchored_routes    = []
+        @custom_routes      = []
         @simulator          = nil
       end
 
@@ -30,18 +31,22 @@ module ActionDispatch
 
       def clear
         routes.clear
+        anchored_routes.clear
+        custom_routes.clear
         named_routes.clear
       end
 
-      def partitioned_routes
-        @partitioned_routes ||= routes.partition do |r|
-          r.path.anchored && r.ast.grep(Nodes::Symbol).all?(&:default_regexp?)
+      def partition_route(route)
+        if route.path.anchored && route.ast.grep(Nodes::Symbol).all?(&:default_regexp?)
+          anchored_routes << route
+        else
+          custom_routes << route
         end
       end
 
       def ast
         @ast ||= begin
-          asts = partitioned_routes.first.map(&:ast)
+          asts = anchored_routes.map(&:ast)
           Nodes::Or.new(asts) unless asts.empty?
         end
       end
@@ -60,6 +65,7 @@ module ActionDispatch
         route.precedence = routes.length
         routes << route
         named_routes[name] = route if name && !named_routes[name]
+        partition_route(route)
         clear_cache!
         route
       end
@@ -68,7 +74,6 @@ module ActionDispatch
 
         def clear_cache!
           @ast                = nil
-          @partitioned_routes = nil
           @simulator          = nil
         end
     end
-- 
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