Module: Monus

Defined in:
lib/monus.rb

Defined Under Namespace

Modules: Backend, BuiltInMetric, Engine

Constant Summary collapse

ConfigurationError = 
Class.new StandardError
@@prepared = 
false
@@preparing = 
false
@@options = 
{}

Class Method Summary collapse

Class Method Details

.accept(field) ⇒ Object 



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# File 'lib/monus.rb', line 60

def self.accept(field)
  set field, true
end

.backend ⇒ Object 



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# File 'lib/monus.rb', line 40

def self.backend
  prepare unless @@prepared
  @@backend
end

.configure(options) ⇒ Object 



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# File 'lib/monus.rb', line 8

def self.configure(options)
  @@options = options
  prepare
end

.engine ⇒ Object 



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# File 'lib/monus.rb', line 35

def self.engine
  prepare unless @@prepared
  @@engine
end

.logger ⇒ Object 



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# File 'lib/monus.rb', line 45

def self.logger
  @@logger ||= options[:logger] || begin
    require 'logger'
    Logger.new STDOUT
  end
end

.options ⇒ Object 



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# File 'lib/monus.rb', line 13

def self.options
  @@options
end

.prepare ⇒ Object 



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# File 'lib/monus.rb', line 17

def self.prepare
  return true if @@prepared or @@preparing
  @@preparing = true

  @@engine = Monus::Engine[options[:engine] || :pure]
  @@engine.prepare

  @@backend = Monus::Backend[options[:backend] || :memory]
  @@backend.prepare

  options[:built_in_metrics]&.each do |metric|
    Monus::BuiltInMetric[metric].activate
  end

  @@preparing = false
  @@prepared = true
end

.refuse(field) ⇒ Object 



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# File 'lib/monus.rb', line 64

def self.refuse(field)
  set field, false
end

.set(field, value, context = nil) ⇒ Object 



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# File 'lib/monus.rb', line 56

def self.set(field, value, context = nil)
  write({field => value}, context)
end

.write(fields, context = nil) ⇒ Object 



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# File 'lib/monus.rb', line 52

def self.write(fields, context = nil)
  backend.write(fields, context)
end