Class: DIY::StrategyBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/diy/strategy_builder.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ StrategyBuilder

Returns a new instance of StrategyBuilder.



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# File 'lib/diy/strategy_builder.rb', line 5

def initialize
  @ins = []
  @logger = DIY::Logger
end

Instance Attribute Details

#queue ⇒ Object (readonly)

Returns the value of attribute queue.



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# File 'lib/diy/strategy_builder.rb', line 9

def queue
  @queue
end

Instance Method Details

#add(strategy) ⇒ Object Also known as: << 



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# File 'lib/diy/strategy_builder.rb', line 11

def add(strategy)
  @ins << strategy
end

#call(hope_pkt, recv_pkt, queue) ⇒ Object 



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# File 'lib/diy/strategy_builder.rb', line 24

def call(hope_pkt, recv_pkt, queue)
  logger.debug("recv_pkt, I hope: #{ Utils.pp(hope_pkt) rescue nil }...")
  
  return if hope_pkt.nil?
  
  @ins.each do |strategy|
    begin
      ret = strategy.call(hope_pkt.content, recv_pkt.content, queue)
    rescue Exception => e
      #~ logger.error("user strategy exception: #{e.class} -> #{e.message}")
      raise StrategyCallError.new(e)
    else
      if ret == Strategy::OK
        logger.info("pkt same:")
        queue.shift
        return
      elsif ret == Strategy::OK_NO_POP
        logger.info("pkt skip:")
        return
      elsif ret == Strategy::FAIL
        logger.warn("pkt fail:")
        logger.warn("pkt fail: hope_pkt is #{hope_pkt.pretty_print}")
        logger.warn("pkt fail: recv_pkt is #{recv_pkt.pretty_print}")
        e = RuntimeError.new("Strategy FAIL: hope #{hope_pkt.pretty_print} but get #{recv_pkt.pretty_print}")
        e.set_backtrace(caller) # not used
        raise UnExpectPacketError.new(e)
      elsif ret == Strategy::NONE
        #~ logger.debug("pkt jumpped:")
        next
      end # end of if
    end # end of begin
  end # end of each
end

#logger ⇒ Object 



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# File 'lib/diy/strategy_builder.rb', line 20

def logger
  @logger
end

#logger=(logger) ⇒ Object 



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# File 'lib/diy/strategy_builder.rb', line 16

def logger=(logger)
  @logger = logger
end