Class: Sbmt::KafkaConsumer::Instrumentation::ChainableMonitor

Inherits:
BaseMonitor
  • Object
show all
Defined in:
lib/sbmt/kafka_consumer/instrumentation/chainable_monitor.rb

Direct Known Subclasses

TracingMonitor

Constant Summary

Constants inherited from BaseMonitor

BaseMonitor::SBMT_KAFKA_CONSUMER_EVENTS

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(monitors = []) ⇒ ChainableMonitor

Returns a new instance of ChainableMonitor.



9
10
11
12
13
 
# File 'lib/sbmt/kafka_consumer/instrumentation/chainable_monitor.rb', line 9

def initialize(monitors = [])
  super()

  @monitors = monitors
end

Instance Attribute Details

#monitors ⇒ Object (readonly)

Returns the value of attribute monitors.



7
8
9
 
# File 'lib/sbmt/kafka_consumer/instrumentation/chainable_monitor.rb', line 7

def monitors
  @monitors
end

Instance Method Details

#instrument(event_id, payload = EMPTY_HASH, &block) ⇒ Object 



15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/sbmt/kafka_consumer/instrumentation/chainable_monitor.rb', line 15

def instrument(event_id, payload = EMPTY_HASH, &block)
  return super if monitors.empty?

  chain = monitors.map { |monitor| monitor.new(event_id, payload) }
  traverse_chain = proc do
    if chain.empty?
      super
    else
      chain.shift.trace(&traverse_chain)
    end
  end
  traverse_chain.call
end