Module: OSGi::PackageResolvingStrategies

Defined in:
lib/osgi/resolving_strategies.rb

Overview

Functions declared on this module are used to select bundles exporting a particular package. Functions must have the signature (package, bundles)

where 
  package: the name of the package
  bundles: an array of bundles

Class Method Summary collapse

Class Method Details

.all(package, bundles) ⇒ Object

Default module function that selects all the matching bundles to the dependencies. This is the default function.



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# File 'lib/osgi/resolving_strategies.rb', line 53

def all(package, bundles)
  warn "*** SPLIT PACKAGE: #{package} is exported by <#{bundles.join(", ")}>"
  return bundles
end

.prompt(package, bundles) ⇒ Object

Default module function that prompts the user to select the bundle(s) he’d like to select as dependencies.



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# File 'lib/osgi/resolving_strategies.rb', line 29

def prompt(package, bundles)
  bundle = nil
  while (bundle.nil?)
    puts "This package #{package} is exported by all the bundles present.\n" +
          "Choose a bundle amongst those presented or press A to select them all:\n" + bundles.sort! {|a, b| a.version <=> b.version }.
    collect {|b| "\t#{bundles.index(b) +1}. #{b.name} #{b.version}"}.join("\n")
    number = $stdin.gets.chomp
    begin
      return bundles if (number == 'A')
      number = number.to_i
      number -= 1
      bundle = bundles[number] if number >= 0 # no negative indexing here.
      puts "Invalid index" if number < 0
    rescue Exception => e
      puts "Invalid index"
      #do nothing
    end
  end
  [bundle]
end