1 files changed, 56 insertions, 0 deletions
diff --git a/ruby_2_2/lib/rubygems/resolver/spec_specification.rb b/ruby_2_2/lib/rubygems/resolver/spec_specification.rb
new file mode 100644
index 0000000000..1350e8a7ab
--- /dev/null
+++ b/ruby_2_2/lib/rubygems/resolver/spec_specification.rb
@@ -0,0 +1,56 @@
+##
+# The Resolver::SpecSpecification contains common functionality for
+# Resolver specifications that are backed by a Gem::Specification.
+
+class Gem::Resolver::SpecSpecification < Gem::Resolver::Specification
+
+  ##
+  # A SpecSpecification is created for a +set+ for a Gem::Specification in
+  # +spec+.  The +source+ is either where the +spec+ came from, or should be
+  # loaded from.
+
+  def initialize set, spec, source = nil
+    @set    = set
+    @source = source
+    @spec   = spec
+  end
+
+  ##
+  # The dependencies of the gem for this specification
+
+  def dependencies
+    spec.dependencies
+  end
+
+  ##
+  # The name and version of the specification.
+  #
+  # Unlike Gem::Specification#full_name, the platform is not included.
+
+  def full_name
+    "#{spec.name}-#{spec.version}"
+  end
+
+  ##
+  # The name of the gem for this specification
+
+  def name
+    spec.name
+  end
+
+  ##
+  # The platform this gem works on.
+
+  def platform
+    spec.platform
+  end
+
+  ##
+  # The version of the gem for this specification.
+
+  def version
+    spec.version
+  end
+
+end
+