[PATCH 1/3] Rabbit: add notion of a 'global' collection

[lutter]

From: David Lutterkort <lut...@redhat.com>

Global collections are supported by every driver
---
 server/lib/sinatra/rabbit.rb |   17 +++++++++++++++--
 1 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/server/lib/sinatra/rabbit.rb b/server/lib/sinatra/rabbit.rb
index a465ed6..8be2b8b 100644
--- a/server/lib/sinatra/rabbit.rb
+++ b/server/lib/sinatra/rabbit.rb
@@ -179,6 +179,7 @@ module Sinatra
         @name = name
         @description = ""
         @operations = {}
+        @global = false
         instance_eval(&block) if block_given?
         generate_documentation
         generate_head
@@ -193,6 +194,18 @@ module Sinatra
         @description = text
       end
 
+      # Mark this collection as global, i.e. independent of any specific
+      # driver
+      def global!
+        @global = true
+      end
+
+      # Return +true+ if this collection is global, i.e. independent of any
+      # specific driver
+      def global?
+        @global
+      end
+
       def generate_head
         current_collection = self
         ::Sinatra::Application.head("/api/#{name}") do
@@ -261,7 +274,7 @@ module Sinatra
       end
 
       def check_supported(driver)
-        unless driver.has_collection?(@name)
+        unless global? || driver.has_collection?(@name)
           raise UnsupportedCollectionException,
             "Collection #{@name} not supported by this driver"
         end
@@ -301,7 +314,7 @@ module Sinatra
 
     def entry_points
       collections.values.select { |coll|
-        driver.has_collection?(coll.name)
+        coll.global? || driver.has_collection?(coll.name)
       }.inject([]) do |m, coll|
         url = url_for coll.operations[:index].path, :full
         m << [ coll.name, url ]
-- 
1.7.4