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Class: Gem::Resolver::ActivationRequest

Relationships & Source Files
Inherits: Object
Defined in: lib/rubygems/resolver/activation_request.rb

Overview

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

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(spec, request, others_possible = true) ⇒ ActivationRequest

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.

[ GitHub ] 

  


# File 'lib/rubygems/resolver/activation_request.rb', line 24



def initialize spec, request, others_possible = true
  @spec = spec
  @request = request
  @others_possible = others_possible
end


  







Instance Attribute Details



  

    #development?  ⇒ Boolean  (readonly)
  



  

    

Is this activation request for a development dependency?


  





  


  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/activation_request.rb', line 44



def development?
  @request.development?
end


  








  

    #installed?  ⇒ Boolean  (readonly)
  



  

    

True if the requested gem has already been installed.


  





  


  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/activation_request.rb', line 99



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


  








  

    #others_possible?  ⇒ Boolean  (readonly)
  



  

    

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


  





  


  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/activation_request.rb', line 123



def others_possible?
  case @others_possible
  when true, false then
    @others_possible
  else
    not @others_possible.empty?
  end
end


  








  

    #request   (readonly)
  



  

    

The parent request for this activation request.


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/activation_request.rb', line 10



attr_reader :request


  








  

    #spec   (readonly)
  



  

    

The specification to be activated.


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/activation_request.rb', line 15



attr_reader :spec


  







Instance Method Details



  

    #download(path)  
  



  

    

Downloads a gem at Gem.path and returns the file path.


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/activation_request.rb', line 51



def download path
  if @spec.respond_to? :source
    source = @spec.source
  else
    source = Gem.sources.first
  end

  Gem.ensure_gem_subdirectories path

  source.download full_spec, path
end


  








  

    #full_name  
  



  

    

The full name of the specification to be activated.


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/activation_request.rb', line 66



def full_name
  @spec.full_name
end


  








  

    #full_spec  
  



  

    

The ::Gem::Specification for this activation request.


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/activation_request.rb', line 73



def full_spec
  Gem::Specification === @spec ? @spec : @spec.spec
end


  








  

    #name  
  



  

    

The name of this activation request's specification


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/activation_request.rb', line 115



def name
  @spec.name
end


  








  

    #parent  
  



  

    

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


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/activation_request.rb', line 136



def parent
  @request.requester
end


  








  

    #version  
  



  

    

The version of this activation request's specification


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/activation_request.rb', line 167



def version
  @spec.version
end