Merge pull request riak-ripple#277 from jcoyne/inheritable_indexes

Indexes should inherit from the superclass

Author: Sean Cribbs

lib/ripple/indexes.rb

@@ -7,11 +7,21 @@ module Indexes
     extend ActiveSupport::Concern
 
     module ClassMethods
+
+      def inherited(subclass)
+        super
+        subclass.indexes = indexes.dup
+      end
+
       # Indexes defined on the document.
       def indexes
         @indexes ||= {}.with_indifferent_access
       end
 
+      def indexes=(idx)
+        @indexes = idx
+      end
+
       def property(key, type, options={})
         if indexed = options.delete(:index)
           indexes[key] = Index.new(key, type, indexed)

spec/ripple/indexes_spec.rb

@@ -16,6 +16,16 @@
       subject.properties[:name_greeting].should == nil
     end
   end
+  context "inherited indexes" do
+    subject { SubIndexer }
+    it { should have(5).indexes }
+    it "should have inherited indexes" do
+      subject.indexes.keys.should include('age', 'name', 'name_age', 'name_greeting')
+    end
+    it "should have indexes defined on the subclass" do
+      subject.indexes.keys.should include('height')
+    end
+  end
 
   context "instance methods" do
     before { subject.robject.stub!(:store).and_return(true) }

spec/support/models/indexer.rb

@@ -20,3 +20,7 @@ def name_greeting
     "#{name}: Hello!"
   end
 end
+
+class SubIndexer < Indexer
+  property :height, String, :index => true
+end