Module: Malevich::Loader

Included in:
Kernel
Defined in:
lib/malevich/loader.rb

Instance Method Summary collapse

Instance Method Details

#find_plugin(name) ⇒ Object 



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# File 'lib/malevich/loader.rb', line 13

def find_plugin(name)
  @all_plugins.find { |p| p.name == name }
end

#load_plugins(plugin_path, config_file) ⇒ Object 



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# File 'lib/malevich/loader.rb', line 11

def load_plugins(plugin_path, config_file)

  def find_plugin(name)
    @all_plugins.find { |p| p.name == name }
  end

  @all_plugins = Malevich::DSL.load(plugin_path)
  @all_names = Array.new
  @plugins_to_run = Array.new

  self.config.deep_merge! YAML.load_file(config_file) #rescue {}
  self.config.each do |name, val|
    @all_names << name
    next if val.nil?
    # dup plugins for val - array
    if val.kind_of?(Array)
      parent = find_plugin(name)
      if parent.nil?
        Kernel::log :error, "Unable to find parent plugin for #{name}"
        next
      end
      val.each_with_index do |p_settings, i|
        child = parent.dup
        child.name = "#{name}_#{i}"
        child.settings.deep_merge!(parent.settings.dup)
        child.settings.deep_merge!(p_settings)
        @all_plugins << child
        @all_names << child.name
      end
      # delete parent plugin
      @all_plugins.delete(parent)
      next
    end

    # dup plugin with parent
    if val.is_a?(Hash) && val.has_key?('parent')
      parent_name = val['parent']
      parent = find_plugin(parent_name)
      if parent.nil?
        Kernel::log :error, "Plugin #{parent_name} not found"
        next
      end
      child = parent.dup
      child.name = name
      child.settings.deep_merge!(parent.settings.dup)
      child.settings.deep_merge!(val)
      @all_plugins << child
      @all_names << child.name
      next
    end
    # over plugins merge
    @all_plugins.each { |p| p.settings.deep_merge!(val) if name == p.name }
  end
  # add plugin if it always_start or get settings and runnable
  @all_plugins.each do |p|
    unless p.always_start || @all_names.include?(p.name)
      Kernel::log(:info, "Plugin '#{p.name}' not started, because it not 'always_start' and not in config")
      next
    end
    @plugins_to_run << p if p.runnable?
  end
  @all_plugins = nil
  @all_names = nil
  # start plugins! 
  @plugins_to_run.each { |p| monitor << p }
  @plugins_to_run = nil
end

#load_responders ⇒ Object 



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# File 'lib/malevich/loader.rb', line 4

def load_responders
  Malevich::Responder.constants.select do |c|
    next unless Class === Malevich::Responder.const_get(c)
    monitor << Malevich::Responder.const_get(c).new
  end
end