Class: Chore::Fetcher

Inherits:
Object
  • Object
show all
Defined in:
lib/chore/fetcher.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(manager) ⇒ Fetcher

Returns a new instance of Fetcher.



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# File 'lib/chore/fetcher.rb', line 5

def initialize(manager)
  @stopping = false
  @manager = manager
  @strategy = Chore.config.consumer_strategy.new(self)
end

Instance Attribute Details

#consumers ⇒ Object (readonly)

Returns the value of attribute consumers.



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# File 'lib/chore/fetcher.rb', line 3

def consumers
  @consumers
end

#manager ⇒ Object (readonly)

Returns the value of attribute manager.



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# File 'lib/chore/fetcher.rb', line 3

def manager
  @manager
end

Instance Method Details

#provide_work(n) ⇒ Object

returns upto n work units



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# File 'lib/chore/fetcher.rb', line 33

def provide_work(n)
  @strategy.provide_work(n)
end

#return_work(work_units) ⇒ Object

gives work back to the consumer in case it couldn't be assigned



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# File 'lib/chore/fetcher.rb', line 38

def return_work(work_units)
  @strategy.return_work(work_units)
end

#start ⇒ Object

Starts the fetcher with the configured Consumer Strategy. This will begin consuming messages from your queue



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# File 'lib/chore/fetcher.rb', line 12

def start
  Chore.logger.info "Fetcher starting up"
  @strategy.fetch
end

#stop! ⇒ Object

Stops the fetcher, preventing any further messages from being pulled from the queue



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# File 'lib/chore/fetcher.rb', line 18

def stop!
  unless @stopping
    Chore.logger.info "Fetcher shutting down started"
    @stopping = true
    @strategy.stop!
    Chore.logger.info "Fetcher shutting down completed"
  end
end

#stopping? ⇒ Boolean

Determines in the fetcher is in the process of stopping

Returns:

  • (Boolean) 


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# File 'lib/chore/fetcher.rb', line 28

def stopping?
  @stopping
end