Class: Messaging::Routing::Route

Inherits:
Object
  • Object
show all
Defined in:
lib/messaging/routing/route.rb

Overview

Internal: Used by routing to match a pattern against a callable (handler)

Direct Known Subclasses

EnqueuedRoute

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pattern, handler) ⇒ Route

Returns a new instance of Route.



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# File 'lib/messaging/routing/route.rb', line 12

def initialize(pattern, handler)
  @matcher = MessageMatcher.new(pattern: pattern)
  @handler = handler.respond_to?(:to_proc) ? handler : handler.method(:call)
  verify_handler!
end

Instance Attribute Details

#handler ⇒ Object (readonly)

Returns the value of attribute handler.



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# File 'lib/messaging/routing/route.rb', line 10

def handler
  @handler
end

#matcher ⇒ Object (readonly)

Returns the value of attribute matcher.



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# File 'lib/messaging/routing/route.rb', line 9

def matcher
  @matcher
end

Instance Method Details

#call(message, context = self) ⇒ Object 



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# File 'lib/messaging/routing/route.rb', line 18

def call(message, context = self)
  return unless @matcher.matches?(message)

  context.instance_exec(message, &@handler)
end

#categories ⇒ Object 



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# File 'lib/messaging/routing/route.rb', line 28

def categories
  matcher.categories
end

#topics ⇒ Object 



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# File 'lib/messaging/routing/route.rb', line 24

def topics
  matcher.topics
end