Class: Trifle::Stats::Configuration

Inherits:
Object
  • Object
show all
Defined in:
lib/trifle/stats/configuration.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Configuration

Returns a new instance of Configuration.



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# File 'lib/trifle/stats/configuration.rb', line 12

def initialize
  @default_granularities = %w[1m 1h 1d 1w 1mo 1q 1y]
  @beginning_of_week = :monday
  @time_zone = 'GMT'
  @buffer_enabled = true
  @buffer_duration = Trifle::Stats::Buffer::DEFAULT_DURATION
  @buffer_size = Trifle::Stats::Buffer::DEFAULT_SIZE
  @buffer_aggregate = true
  @storage = nil
end

Instance Attribute Details

#beginning_of_week ⇒ Object

Returns the value of attribute beginning_of_week.



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# File 'lib/trifle/stats/configuration.rb', line 9

def beginning_of_week
  @beginning_of_week
end

#buffer_aggregate ⇒ Object

Returns the value of attribute buffer_aggregate.



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# File 'lib/trifle/stats/configuration.rb', line 10

def buffer_aggregate
  @buffer_aggregate
end

#buffer_duration ⇒ Object

Returns the value of attribute buffer_duration.



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# File 'lib/trifle/stats/configuration.rb', line 10

def buffer_duration
  @buffer_duration
end

#buffer_enabled ⇒ Object

Returns the value of attribute buffer_enabled.



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# File 'lib/trifle/stats/configuration.rb', line 10

def buffer_enabled
  @buffer_enabled
end

#buffer_size ⇒ Object

Returns the value of attribute buffer_size.



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# File 'lib/trifle/stats/configuration.rb', line 10

def buffer_size
  @buffer_size
end

#granularities ⇒ Object 



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# File 'lib/trifle/stats/configuration.rb', line 31

def granularities
  (@granularities || @default_granularities).uniq.filter do |grn|
    Trifle::Stats::Nocturnal::Parser.new(grn).valid?
  end
end

#time_zone ⇒ Object

Returns the value of attribute time_zone.



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# File 'lib/trifle/stats/configuration.rb', line 9

def time_zone
  @time_zone
end

Instance Method Details

#driver ⇒ Object

Raises:



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# File 'lib/trifle/stats/configuration.rb', line 37

def driver
  raise DriverNotFound if @driver.nil?

  @driver
end

#driver=(value) ⇒ Object 



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# File 'lib/trifle/stats/configuration.rb', line 54

def driver=(value)
  reset_buffer!
  @driver = value
end

#reset_buffer! ⇒ Object 



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# File 'lib/trifle/stats/configuration.rb', line 79

def reset_buffer!
  @storage&.shutdown!
  @storage = nil
end

#storage ⇒ Object 



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# File 'lib/trifle/stats/configuration.rb', line 43

def storage
  return driver unless buffer_enabled

  @storage ||= Trifle::Stats::Buffer.new(
    driver: driver,
    duration: buffer_duration,
    size: buffer_size,
    aggregate: buffer_aggregate
  )
end

#tz ⇒ Object 



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# File 'lib/trifle/stats/configuration.rb', line 23

def tz
  TZInfo::Timezone.get(@time_zone)
rescue TZInfo::InvalidTimezoneIdentifier => e
  puts "Trifle: #{e} - #{time_zone}; Defaulting to GMT."

  TZInfo::Timezone.get('GMT')
end