diff options
Diffstat (limited to 'lib/rubygems/resolver')
| -rw-r--r-- | lib/rubygems/resolver/api_specification.rb | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/lib/rubygems/resolver/api_specification.rb b/lib/rubygems/resolver/api_specification.rb index a47d910331..232c2b041b 100644 --- a/lib/rubygems/resolver/api_specification.rb +++ b/lib/rubygems/resolver/api_specification.rb @@ -7,6 +7,17 @@ class Gem::Resolver::APISpecification < Gem::Resolver::Specification ## + # We assume that all instances of this class are immutable; + # so avoid duplicated generation for performance. + @@cache = {} + def self.new(set, api_data) + cache_key = [set, api_data] + cache = @@cache[cache_key] + return cache if cache + @@cache[cache_key] = super + end + + ## # Creates an APISpecification for the given +set+ from the rubygems.org # +api_data+. # @@ -18,12 +29,12 @@ class Gem::Resolver::APISpecification < Gem::Resolver::Specification @set = set @name = api_data[:name] - @version = Gem::Version.new api_data[:number] - @platform = Gem::Platform.new api_data[:platform] - @original_platform = api_data[:platform] + @version = Gem::Version.new(api_data[:number]).freeze + @platform = Gem::Platform.new(api_data[:platform]).freeze + @original_platform = api_data[:platform].freeze @dependencies = api_data[:dependencies].map do |name, ver| - Gem::Dependency.new name, ver.split(/\s*,\s*/) - end + Gem::Dependency.new(name, ver.split(/\s*,\s*/)).freeze + end.freeze end def ==(other) # :nodoc: |