1 files changed, 38 insertions, 0 deletions
diff --git a/lib/rubygems/resolver/api_specification.rb b/lib/rubygems/resolver/api_specification.rb
new file mode 100644
index 0000000000..19611e17d8
--- /dev/null
+++ b/lib/rubygems/resolver/api_specification.rb
@@ -0,0 +1,38 @@
+##
+# Represents a specification retrieved via the rubygems.org API.
+#
+# This is used to avoid loading the full Specification object when all we need
+# is the name, version, and dependencies.
+
+class Gem::Resolver::APISpecification < Gem::Resolver::Specification
+
+  ##
+  # Creates an APISpecification for the given +set+ from the rubygems.org
+  # +api_data+.
+  #
+  # See http://guides.rubygems.org/rubygems-org-api/#misc_methods for the
+  # format of the +api_data+.
+
+  def initialize(set, api_data)
+    super()
+
+    @set = set
+    @name = api_data[:name]
+    @version = Gem::Version.new api_data[:number]
+    @platform = api_data[:platform]
+    @dependencies = api_data[:dependencies].map do |name, ver|
+      Gem::Dependency.new name, ver.split(/\s*,\s*/)
+    end
+  end
+
+  def == other # :nodoc:
+    self.class === other and
+      @set          == other.set and
+      @name         == other.name and
+      @version      == other.version and
+      @platform     == other.platform and
+      @dependencies == other.dependencies
+  end
+
+end
+