Class: Droonga::Session

Inherits:
Object
  • Object
show all
Defined in:
lib/droonga/session.rb

Instance Method Summary collapse

Constructor Details

#initialize(id, dispatcher, collector_runner, tasks, inputs) ⇒ Session

Returns a new instance of Session.



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# File 'lib/droonga/session.rb', line 18

def initialize(id, dispatcher, collector_runner, tasks, inputs)
  @id = id
  @dispatcher = dispatcher
  @collector_runner = collector_runner
  @tasks = tasks
  @n_dones = 0
  @inputs = inputs
end

Instance Method Details

#done? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/droonga/session.rb', line 27

def done?
  @n_dones == @tasks.size
end

#receive(name, value) ⇒ Object 



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# File 'lib/droonga/session.rb', line 43

def receive(name, value)
  tasks = @inputs[name]
  unless tasks
    #TODO: result arrived before its query
    return
  end
  tasks.each do |task|
    task["n_of_inputs"] += 1
    step = task["step"]
    command = step["type"]
    n_of_expects = step["n_of_expects"]
    message = {
      "task"=>task,
      "name"=>name,
      "value"=>value
    }
    @collector_runner.collect(message)
    return if task["n_of_inputs"] < n_of_expects
    #the task is done
    result = task["values"]
    post = step["post"]
    if post
      # XXX: It is just a workaround.
      # Remove me when super step is introduced.
      if result["errors"]
        reply_body = result
      elsif command == "search_gather"
        reply_body = result
      else
        reply_body = result["result"]
      end
      @dispatcher.reply("body" => reply_body)
    end
    step["descendants"].each do |name, routes|
      message = {
        "id" => @id,
        "input" => name,
        "value" => result[name]
      }
      routes.each do |route|
        @dispatcher.dispatch(message, route)
      end
    end
    @n_dones += 1
  end
end

#start ⇒ Object 



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# File 'lib/droonga/session.rb', line 31

def start
  tasks = @inputs[nil] || []
  tasks.each do |task|
    local_message = {
      "id"   => @id,
      "task" => task,
    }
    @dispatcher.process_local_message(local_message)
    @n_dones += 1
  end
end