Class: AmqpTopicBinding::Matcher

Inherits:
Object
  • Object
show all
Defined in:
lib/amqp_topic_binding/matcher.rb

Instance Method Summary collapse

Constructor Details

#initialize(pattern) ⇒ Matcher

Returns a new instance of Matcher.



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# File 'lib/amqp_topic_binding/matcher.rb', line 3

def initialize(pattern)
  @pattern = pattern || ''
  @pattern_parts = @pattern.split('.')
end

Instance Method Details

#matches?(routing_key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/amqp_topic_binding/matcher.rb', line 8

def matches?(routing_key)
  if routing_key.nil? || routing_key == ''
    return false
  end

  if @pattern == routing_key
    return true
  end

  routing_key_parts = routing_key.split('.')

  if @pattern_parts.length > routing_key_parts.length
    return false
  end

  last_checked_index = 0

  @pattern_parts.each_with_index do |pattern_part, index|
    if pattern_part == '#'
      return true
    end

    routing_key_part = routing_key_parts[index]

    if pattern_part != '*' && pattern_part != routing_key_part
      return false
    end

    last_checked_index = index
  end

  if routing_key_parts.length > (last_checked_index + 1)
    return false
  end

  return true
end