Class: Concur::EventMachineFuture2

Inherits:
Object
  • Object
show all
Includes:
Future
Defined in:
lib/futures/event_machine_future.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Future

#future?

Constructor Details

#initialize(http_data, &block) ⇒ EventMachineFuture2

Returns a new instance of EventMachineFuture2.



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# File 'lib/futures/event_machine_future.rb', line 115

def initialize(http_data, &block)
  @http_data = http_data
  if block_given?
    @blk = block
  end

  puts 'http_data=' + http_data.inspect

  req = EventMachine::HttpRequest.new(http_data[:base_url])

  opts = {:timeout => http_data[:timeout], :head => http_data[:headers]} #, :ssl => true

  if http_data[:http_method] == :post
    http = req.post opts.merge(:path=>http_data[:path], :body=>http_data[:body])
  elsif http_data[:http_method] == :put
    http = req.put opts.merge(:path=>http_data[:path], :body=>http_data[:body])
  elsif http_data[:http_method] == :head
    http = req.head opts.merge(:path=>http_data[:path])
  elsif  http_data[:http_method] == :delete
    http = req.delete opts.merge(:path=>http_data[:path])
  else
    http = req.get opts.merge(:path=>http_data[:path], :query=>http_data[:query])
  end

  if http.error.empty?
    http.errback {
      begin
        puts 'Uh oh'
        p http.response_header.status
        p http.response_header
        p http.response
        @ex = StandardError.new("ERROR: #{http.response_header.status} #{http.response}")
      rescue => ex
        @ex = ex
      end
      self.complete
    }
    http.callback {
      begin
        puts 'success callback'
#            puts 'status=' + http.response_header.status
#            puts 'response header=' + http.response_header
        if @blk
          @result = @blk.call(HttpResponseWrapper.new(http))
        else
          @result = HttpResponseWrapper.new(http)
        end
      rescue => ex
        @ex = ex
      end
      self.complete
    }
  else
    p http.error.inspect
    @ex = StandardError.new(http.error)
    self.complete
  end


end

Instance Attribute Details

#ex ⇒ Object

Returns the value of attribute ex.



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# File 'lib/futures/event_machine_future.rb', line 113

def ex
  @ex
end

#result ⇒ Object

Returns the value of attribute result.



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# File 'lib/futures/event_machine_future.rb', line 113

def result
  @result
end

Instance Method Details

#complete ⇒ Object 



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# File 'lib/futures/event_machine_future.rb', line 177

def complete
  @complete = true
end

#complete? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/futures/event_machine_future.rb', line 181

def complete?
  @complete
end

#get ⇒ Object

Returns results. Will wait for thread to complete execution if not already complete.



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# File 'lib/futures/event_machine_future.rb', line 186

def get
#      @thread.value
#      if !@complete
#        # todo: gotta be a better way
##          puts 'sleeping'
##          sleep 0.1
#        @fiber = Fiber.new do
#          while !@complete
#            sleep 0.1
#          end
#          Fiber.yield # give back control
#        end
#        @fiber.resume # start fiber
#      end
  while !@complete
    sleep 0.1
  end
  return get_response
end

#get_response ⇒ Object 



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# File 'lib/futures/event_machine_future.rb', line 206

def get_response
  if @ex
    raise @ex
  end
  @result
end