# class Gem::AvailableSet

### Constants

Tuple

### Attributes

set [R]

### Public Class Methods

new ()
Source

    # File lib/rubygems/available_set.rb, line 10
    def initialize
      @set = []
      @sorted = nil
      @remote = true
    end

### Public Instance Methods

<< (o)
Source

    # File lib/rubygems/available_set.rb, line 24
    def <<(o)
      case o
      when Gem::AvailableSet
        s = o.set
      when Array
        s = o.map do |sp,so|
          if !sp.is_a?(Gem::Specification) || !so.is_a?(Gem::Source)
            raise TypeError, "Array must be in [[spec, source], ...] form"
          end

          Tuple.new(sp,so)
        end
      else
        raise TypeError, "must be a Gem::AvailableSet"
      end

      @set += s
      @sorted = nil

      self
    end

add (spec, source)
Source

    # File lib/rubygems/available_set.rb, line 18
    def add(spec, source)
      @set << Tuple.new(spec, source)
      @sorted = nil
      self
    end

all_specs ()
Source

    # File lib/rubygems/available_set.rb, line 72
    def all_specs
      @set.map(&:spec)
    end

each () { |tuple| ... }
Source

    # File lib/rubygems/available_set.rb, line 49
    def each
      return enum_for __method__ unless block_given?

      @set.each do |tuple|
        yield tuple
      end
    end

Yields each `Tuple` in this `AvailableSet`

each_spec () { |spec| ... }
Source

    # File lib/rubygems/available_set.rb, line 60
    def each_spec
      return enum_for __method__ unless block_given?

      each do |tuple|
        yield tuple.spec
      end
    end

Yields the `Gem::Specification` for each `Tuple` in this `AvailableSet`

empty? ()
Source

    # File lib/rubygems/available_set.rb, line 68
    def empty?
      @set.empty?
    end

find_all (req)
Source

    # File lib/rubygems/available_set.rb, line 126
    def find_all(req)
      dep = req.dependency

      match = @set.find_all do |t|
        dep.match? t.spec
      end

      match.map do |t|
        Gem::Resolver::LocalSpecification.new(self, t.spec, t.source)
      end
    end

Used by the Resolver, the protocol to use a `AvailableSet` as a search `Set`.

inject_into_list (dep_list)
Source

    # File lib/rubygems/available_set.rb, line 162
    def inject_into_list(dep_list)
      @set.each {|t| dep_list.add t.spec }
    end

match_platform! ()
Source

    # File lib/rubygems/available_set.rb, line 76
    def match_platform!
      @set.reject! {|t| !Gem::Platform.match_spec?(t.spec) }
      @sorted = nil
      self
    end

pick_best! ()
Source

    # File lib/rubygems/available_set.rb, line 141
    def pick_best!
      return self if empty?

      @set = [sorted.first]
      @sorted = nil
      self
    end

prefetch (reqs)
Source

    # File lib/rubygems/available_set.rb, line 138
    def prefetch(reqs)
    end

remove_installed! (dep)
Source

    # File lib/rubygems/available_set.rb, line 149
    def remove_installed!(dep)
      @set.reject! do |_t|
        # already locally installed
        Gem::Specification.any? do |installed_spec|
          dep.name == installed_spec.name &&
            dep.requirement.satisfied_by?(installed_spec.version)
        end
      end

      @sorted = nil
      self
    end

size ()
Source

    # File lib/rubygems/available_set.rb, line 89
    def size
      @set.size
    end

sorted ()
Source

    # File lib/rubygems/available_set.rb, line 82
    def sorted
      @sorted ||= @set.sort do |a,b|
        i = b.spec <=> a.spec
        i != 0 ? i : (a.source <=> b.source)
      end
    end

source_for (spec)
Source

    # File lib/rubygems/available_set.rb, line 93
    def source_for(spec)
      f = @set.find {|t| t.spec == spec }
      f.source
    end

to_request_set (development = :none)
Source

    # File lib/rubygems/available_set.rb, line 106
    def to_request_set(development = :none)
      request_set = Gem::RequestSet.new
      request_set.development = development == :all

      each_spec do |spec|
        request_set.always_install << spec

        request_set.gem spec.name, spec.version
        request_set.import spec.development_dependencies if
          development == :shallow
      end

      request_set
    end

Converts this `AvailableSet` into a RequestSet that can be used to install gems.

If `development` is :none then no development dependencies are installed. Other options are :shallow for only direct development dependencies of the gems in this set or :all for all development dependencies.