From 1a74fa4b04da04bd2bb33103dd3cf431438df38e Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 14 Dec 2017 15:09:35 +0000
Subject: add tag v2_2_9

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v2_2_9@61257 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ruby_2_2/lib/rubygems/resolver/set.rb | 56 +++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 ruby_2_2/lib/rubygems/resolver/set.rb

(limited to 'ruby_2_2/lib/rubygems/resolver/set.rb')

diff --git a/ruby_2_2/lib/rubygems/resolver/set.rb b/ruby_2_2/lib/rubygems/resolver/set.rb
new file mode 100644
index 0000000000..b26dc45c7b
--- /dev/null
+++ b/ruby_2_2/lib/rubygems/resolver/set.rb
@@ -0,0 +1,56 @@
+##
+# Resolver sets are used to look up specifications (and their
+# dependencies) used in resolution.  This set is abstract.
+
+class Gem::Resolver::Set
+
+  ##
+  # Set to true to disable network access for this set
+
+  attr_accessor :remote
+
+  ##
+  # Errors encountered when resolving gems
+
+  attr_accessor :errors
+
+  ##
+  # When true, allows matching of requests to prerelease gems.
+
+  attr_accessor :prerelease
+
+  def initialize # :nodoc:
+    @prerelease = false
+    @remote     = true
+    @errors     = []
+  end
+
+  ##
+  # The find_all method must be implemented.  It returns all Resolver
+  # Specification objects matching the given DependencyRequest +req+.
+
+  def find_all req
+    raise NotImplementedError
+  end
+
+  ##
+  # The #prefetch method may be overridden, but this is not necessary.  This
+  # default implementation does nothing, which is suitable for sets where
+  # looking up a specification is cheap (such as installed gems).
+  #
+  # When overridden, the #prefetch method should look up specifications
+  # matching +reqs+.
+
+  def prefetch reqs
+  end
+
+  ##
+  # When true, this set is allowed to access the network when looking up
+  # specifications or dependencies.
+
+  def remote? # :nodoc:
+    @remote
+  end
+
+end
+
-- 
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