rf-web/vendor/bundle/gems/concurrent-ruby-1.1.5/lib/concurrent/concern/logging.rb
2019-10-21 10:18:17 +02:00

33 lines
1.2 KiB
Ruby

require 'logger'
module Concurrent
module Concern
# Include where logging is needed
#
# @!visibility private
module Logging
include Logger::Severity
# Logs through {Concurrent.global_logger}, it can be overridden by setting @logger
# @param [Integer] level one of Logger::Severity constants
# @param [String] progname e.g. a path of an Actor
# @param [String, nil] message when nil block is used to generate the message
# @yieldreturn [String] a message
def log(level, progname, message = nil, &block)
#NOTE: Cannot require 'concurrent/configuration' above due to circular references.
# Assume that the gem has been initialized if we've gotten this far.
logger = if defined?(@logger) && @logger
@logger
else
Concurrent.global_logger
end
logger.call level, progname, message, &block
rescue => error
$stderr.puts "`Concurrent.configuration.logger` failed to log #{[level, progname, message, block]}\n" +
"#{error.message} (#{error.class})\n#{error.backtrace.join "\n"}"
end
end
end
end