Class: ElmerFudd::DirectHandler

Inherits:
Object
  • Object
show all
Includes:
Filter
Defined in:
lib/ElmerFudd/direct_handler.rb

Direct Known Subclasses

RpcHandler, TopicHandler

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Filter

#call_next

Constructor Details

#initialize(route, callback, filters, options) ⇒ DirectHandler

Returns a new instance of DirectHandler.



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# File 'lib/ElmerFudd/direct_handler.rb', line 7

def initialize(route, callback, filters, options)
  @route = route
  @callback = callback
  @filters = filters
  @durable = options.fetch(:durable)
  @call_reply_content_type = ElmerFudd::DEFAULT_CONTENT_TYPE
  initialize_filters
end

Instance Attribute Details

#call_reply_content_type ⇒ Object

Returns the value of attribute call_reply_content_type.



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# File 'lib/ElmerFudd/direct_handler.rb', line 5

def call_reply_content_type
  @call_reply_content_type
end

#route ⇒ Object (readonly)

Returns the value of attribute route.



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# File 'lib/ElmerFudd/direct_handler.rb', line 4

def route
  @route
end

Instance Method Details

#call(env, message) ⇒ Object 



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# File 'lib/ElmerFudd/direct_handler.rb', line 37

def call(env, message)
  env.logger.debug "ElmerFudd #{self.class.name}.call (#{object_id}) queue_name: #{@route.queue_name}, exchange_name: #{@route.exchange_name}, filters: #{filters_names}, message: #{message.payload}"
  call_next(env, message, @filters + [@callback])
end

#ensure_that_queue_exists(env) ⇒ Object 



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# File 'lib/ElmerFudd/direct_handler.rb', line 28

def ensure_that_queue_exists(env)
  env.channel.queue_declare(@route.queue_name, durable: @durable, exclusive: is_exclusive_queue)
end

#exchange(env) ⇒ Object 



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# File 'lib/ElmerFudd/direct_handler.rb', line 32

def exchange(env)
  env.logger.debug "ElmerFudd Handler.exchange queue_name: #{@route.queue_name}, exchange_name: #{@route.exchange_name}, filters: #{filters_names}"
  env.channel.direct(@route.exchange_name)
end

#queue(env) ⇒ Object 



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# File 'lib/ElmerFudd/direct_handler.rb', line 16

def queue(env)
  ensure_that_queue_exists(env)
  env.channel.queue(@route.queue_name, durable: @durable, exclusive: is_exclusive_queue).tap do |queue|
    unless @route.exchange_name == ""
      Array(@route.routing_keys).each do |routing_key|
        queue.bind(exchange(env), routing_key: routing_key)
      end
    end
    @route.queue_name = queue.name
  end
end