Class: Typhoeus::Hydra

Inherits:
Object
  • Object
show all
Defined in:
lib/typhoeus/hydra.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Hydra

Returns a new instance of Hydra.



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# File 'lib/typhoeus/hydra.rb', line 3

def initialize
  @multi       = Multi.new
  @easy_pool   = []
  @stubs       = []
  @memoized_requests = {}
  @retrieved_from_cache = {}
end

Class Method Details

.hydra ⇒ Object 



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# File 'lib/typhoeus/hydra.rb', line 11

def self.hydra
  @hydra ||= new
end

.hydra=(val) ⇒ Object 



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# File 'lib/typhoeus/hydra.rb', line 15

def self.hydra=(val)
  @hydra = val
end

Instance Method Details

#cache_getter(&block) ⇒ Object 



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# File 'lib/typhoeus/hydra.rb', line 55

def cache_getter(&block)
  @cache_getter = block
end

#cache_setter(&block) ⇒ Object 



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# File 'lib/typhoeus/hydra.rb', line 59

def cache_setter(&block)
  @cache_setter = block
end

#clear_stubs ⇒ Object 



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# File 'lib/typhoeus/hydra.rb', line 19

def clear_stubs
  @stubs = []
end

#on_complete(&block) ⇒ Object 



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# File 'lib/typhoeus/hydra.rb', line 63

def on_complete(&block)
  @on_complete = block
end

#on_complete=(proc) ⇒ Object 



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# File 'lib/typhoeus/hydra.rb', line 67

def on_complete=(proc)
  @on_complete = proc
end

#queue(request) ⇒ Object 



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# File 'lib/typhoeus/hydra.rb', line 23

def queue(request)
  return if assign_to_stub(request)

  if request.method == :get
    if @memoized_requests.has_key? request.url
      if response = @retrieved_from_cache[request.url]
        request.response = response
        request.call_handlers
      else
        @memoized_requests[request.url] << request
      end
    else
      @memoized_requests[request.url] = []
      get_from_cache_or_queue(request)
    end
  else
    get_from_cache_or_queue(request)
  end
end

#run ⇒ Object 



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# File 'lib/typhoeus/hydra.rb', line 43

def run
  @stubs.each do |m|
    m.requests.each do |request|
      m.response.request = request
      handle_request(request, m.response)
    end
  end
  @multi.perform
  @memoized_requests = {}
  @retrieved_from_cache = {}
end

#stub(method, url) ⇒ Object 



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# File 'lib/typhoeus/hydra.rb', line 71

def stub(method, url)
  @stubs << HydraMock.new(url, method)
  @stubs.last
end