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Contents
# Logger class variable mix-in
#
# Lazy initialize and a logger class variable with instance accessor
#
# By including this mix-in into any class it will define a class level logger
# and make it accessible via instance methods
#
# Example
#
# require 'semantic_logger'
#
# class ExternalSupplier
# # Lazy load 'logger' class variable on first use
# include SemanticLogger::Loggable
#
# def call_supplier(amount, name)
# logger.debug "Calculating with amount", { :amount => amount, :name => name }
#
# # Measure and log on completion how long the call took to the external supplier
# logger.benchmark_info "Calling external interface" do
# # Code to call the external supplier ...
# end
# end
# end
module SemanticLogger
module Loggable
def self.included(base)
base.class_eval do
# Thread safe class variable initialization
include SyncAttr
sync_cattr_reader :logger do
SemanticLogger::Logger.new(self)
end
end
end
# Also make the logger available as an instance method MixIn
def logger
self.class.logger
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems