class Gem::Resolver::ActivationRequest

Specifies a Specification object that should be activated. Also contains a dependency that was used to introduce this activation.

Attributes

request[R]

The parent request for this activation request.

spec[R]

The specification to be activated.

Public Class Methods

new(spec, request, others_possible = true) click to toggle source

Creates a new ActivationRequest that will activate spec. The parent request is used to provide diagnostics in case of conflicts.

others_possible indicates that other specifications may also match this activation request.

# File lib/rubygems/resolver/activation_request.rb, line 25
def initialize spec, request, others_possible = true
  @spec = spec
  @request = request
  @others_possible = others_possible
end

Public Instance Methods

development?() click to toggle source

Is this activation request for a development dependency?

# File lib/rubygems/resolver/activation_request.rb, line 45
def development?
  @request.development?
end

download(path) click to toggle source

Downloads a gem at path and returns the file path.

# File lib/rubygems/resolver/activation_request.rb, line 52
def download path
  Gem.ensure_gem_subdirectories path

  if @spec.respond_to? :sources
    exception = nil
    path = @spec.sources.find{ |source|
      begin
        source.download full_spec, path
      rescue exception
      end
    }
    return path      if path
    raise  exception if exception

  elsif @spec.respond_to? :source
    source = @spec.source
    source.download full_spec, path

  else
    source = Gem.sources.first
    source.download full_spec, path
  end
end

full_name() click to toggle source

The full name of the specification to be activated.

# File lib/rubygems/resolver/activation_request.rb, line 79
def full_name
  @spec.full_name
end

Also aliased as: to_s

full_spec() click to toggle source

The Gem::Specification for this activation request.

# File lib/rubygems/resolver/activation_request.rb, line 88
def full_spec
  Gem::Specification === @spec ? @spec : @spec.spec
end

installed?() click to toggle source

True if the requested gem has already been installed.

# File lib/rubygems/resolver/activation_request.rb, line 114
def installed?
  case @spec
  when Gem::Resolver::VendorSpecification then
    true
  else
    this_spec = full_spec

    Gem::Specification.any? do |s|
      s == this_spec
    end
  end
end

name() click to toggle source

The name of this activation request's specification

# File lib/rubygems/resolver/activation_request.rb, line 130
def name
  @spec.name
end

others_possible?() click to toggle source

Indicate if this activation is one of a set of possible requests for the same Dependency request.

# File lib/rubygems/resolver/activation_request.rb, line 138
def others_possible?
  case @others_possible
  when true, false then
    @others_possible
  else
    not @others_possible.empty?
  end
end

parent() click to toggle source

Return the ActivationRequest that contained the dependency that we were activated for.

# File lib/rubygems/resolver/activation_request.rb, line 151
def parent
  @request.requester
end

to_s()

Alias for: full_name

version() click to toggle source

The version of this activation request's specification

# File lib/rubygems/resolver/activation_request.rb, line 182
def version
  @spec.version
end