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Class: Gem::Resolver::ComposedSet

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Subclasses:
BestSet
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Set
Instance Chain:
self, Set
Inherits: Gem::Resolver::Set
Defined in: lib/rubygems/resolver/composed_set.rb

Overview

A ComposedSet allows multiple sets to be queried like a single set.

To create a composed set with any number of sets use:

Gem::Resolver.compose_sets set1, set2

This method will eliminate nesting of composed sets.

Class Method Summary

Set - Inherited

.new

Instance Attribute Summary

Set - Inherited

#errors

Errors encountered when resolving gems.
#prerelease

When true, allows matching of requests to prerelease gems.
#remote

Set to true to disable network access for this set.
#remote?

When true, this set is allowed to access the network when looking up specifications or dependencies.

Instance Method Summary

Set - Inherited

#find_all

The find_all method must be implemented.
#prefetch

The #prefetch method may be overridden, but this is not necessary.

Constructor Details

.new(*sets) ⇒ ComposedSet

Creates a new ComposedSet containing #sets. Use Gem::Resolver.compose_sets instead.

[ GitHub ] 

  


# File 'lib/rubygems/resolver/composed_set.rb', line 19



def initialize(*sets)
  super()

  @sets = sets
end


  







Instance Attribute Details



  

    #prerelease=(allow_prerelease)   (writeonly)
  



  

    

When allow_prerelease is set to true prereleases gems are allowed to match dependencies.


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/composed_set.rb', line 29



def prerelease=(allow_prerelease)
  super

  sets.each do |set|
    set.prerelease = allow_prerelease
  end
end


  








  

    #remote=(remote)   (writeonly)
  



  

    

Sets the remote network access for all composed sets.


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/composed_set.rb', line 40



def remote=(remote)
  super

  @sets.each {|set| set.remote = remote }
end


  








  

    #sets   (readonly)
  

  

    This method is for internal use only.
  

  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/composed_set.rb', line 13



attr_reader :sets # :nodoc:


  







Instance Method Details



  

    #errors  
  

  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/composed_set.rb', line 46



def errors
  @errors + @sets.map {|set| set.errors }.flatten
end


  








  

    #find_all(req)  
  



  

    

Finds all specs matching req in all sets.


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/composed_set.rb', line 53



def find_all(req)
  @sets.map do |s|
    s.find_all req
  end.flatten
end


  








  

    #prefetch(reqs)  
  



  

    

Prefetches reqs in all sets.


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/composed_set.rb', line 62



def prefetch(reqs)
  @sets.each {|s| s.prefetch(reqs) }
end