boot.rb in rom-0.3.1

- old
+ new

@@ -6,10 +6,12 @@
 
   # Exposes DSL for defining schema, relations and mappers
   #
   # @api public
   class Boot
+    include Equalizer.new(:repositories, :env)
+
     attr_reader :repositories, :adapter_relation_map, :env
 
     # @api private
     def initialize(repositories)
       @repositories = repositories
@@ -34,10 +36,11 @@
     #   end
     #
     # @api public
     def schema(&block)
       @schema = DSL.new(self).schema(&block)
+      self
     end
 
     # Relation definition DSL
     #
     # @example
@@ -49,10 +52,11 @@
     #   end
     #
     # @api public
     def relation(name, &block)
       @relations.update(name => block)
+      self
     end
 
     # Mapper definition DSL
     #
     # @example
@@ -68,10 +72,11 @@
     #   end
     #
     # @api public
     def mappers(&block)
       @mappers.concat(DSL.new(self).mappers(&block))
+      self
     end
 
     # Finalize the setup
     #
     # @return [Env] frozen env with access to repositories, schema, relations and mappers
@@ -120,10 +125,12 @@
       Schema.new(base_relations)
     end
 
     # @api private
     def load_relations(schema)
+      return RelationRegistry.new unless adapter_relation_map.any?
+
       builder = RelationBuilder.new(schema)
 
       relations = @relations.each_with_object({}) do |(name, block), h|
         adapter = adapter_relation_map[name]
 
@@ -142,16 +149,18 @@
       RelationRegistry.new(relations)
     end
 
     # @api private
     def load_readers(relations)
+      return ReaderRegistry.new unless adapter_relation_map.any?
+
       reader_builder = ReaderBuilder.new(relations)
 
       readers = @mappers.each_with_object({}) do |(name, options, block), h|
         h[name] = reader_builder.call(name, options, &block)
       end
 
-      RelationRegistry.new(readers)
+      ReaderRegistry.new(readers)
     end
 
   end
 
 end