Class: TimeWindowDropCollector::Storage

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/time_window_drop_collector/storage.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Utils

#grouping_count, #slice_milliseconds, #slice_start_timestamp, #timestamp, #timestamp_key, #timestamp_key_multi, #window_keys, #window_keys_multi

Constructor Details

#initialize(wrapper, window, slices) ⇒ Storage

Returns a new instance of Storage.



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# File 'lib/time_window_drop_collector/storage.rb', line 6

def initialize( wrapper, window, slices )
  @wrapper = wrapper
  @window  = window
  @slices  = slices
end

Instance Attribute Details

#slices ⇒ Object (readonly)

Returns the value of attribute slices.



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# File 'lib/time_window_drop_collector/storage.rb', line 4

def slices
  @slices
end

#window ⇒ Object (readonly)

Returns the value of attribute window.



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# File 'lib/time_window_drop_collector/storage.rb', line 4

def window
  @window
end

#wrapper ⇒ Object (readonly)

Returns the value of attribute wrapper.



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# File 'lib/time_window_drop_collector/storage.rb', line 4

def wrapper
  @wrapper
end

Instance Method Details

#count(keys) ⇒ Object 



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# File 'lib/time_window_drop_collector/storage.rb', line 22

def count( keys )
  return {} if keys.empty?

  window_keys = window_keys_multi( keys )
  keys_values = wrapper.get( window_keys )

  grouping_count( keys_values )
end

#decr(timestamp, keys, amount = 1) ⇒ Object 



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# File 'lib/time_window_drop_collector/storage.rb', line 18

def decr( timestamp, keys, amount=1 )
  wrapper.decr(timestamp_key_multi( keys, timestamp), window, amount)
end

#incr(keys, amount = 1) ⇒ Object 



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# File 'lib/time_window_drop_collector/storage.rb', line 12

def incr( keys, amount=1 )
  now = Time.now
  wrapper.incr( timestamp_key_multi( keys, now), window, amount )
  now
end