class SemanticLogger::Appenders

Manage a collection of appenders.

Attributes

logger[RW]

Public Class Methods

new(logger = Processor.logger.dup) click to toggle source
# File lib/semantic_logger/appenders.rb, line 6
def initialize(logger = Processor.logger.dup)
  @logger      = logger
  @logger.name = self.class.name
end

Public Instance Methods

add(**args, &block) click to toggle source
# File lib/semantic_logger/appenders.rb, line 11
def add(**args, &block)
  appender = SemanticLogger::Appender.factory(**args, &block)

  if appender.respond_to?(:console_output?) && appender.console_output? && console_output?
    logger.warn "Ignoring attempt to add a second console appender: #{appender.class.name} since it would result in duplicate console output."
    return
  end

  self << appender
  appender
end
close() click to toggle source
# File lib/semantic_logger/appenders.rb, line 47
def close
  to_a.each do |appender|
    logger.trace "Closing appender: #{appender.name}"
    delete(appender)
    appender.flush
    appender.close
  rescue Exception => e
    logger.error "Failed to close appender: #{appender.name}", e
  end
  logger.trace "All appenders closed and removed from appender list"
end
console_output?() click to toggle source

Whether any of the existing appenders already output to the console? I.e. Writes to stdout or stderr.

# File lib/semantic_logger/appenders.rb, line 25
def console_output?
  any? { |appender| appender.respond_to?(:console_output?) && appender.console_output? }
end
flush() click to toggle source
# File lib/semantic_logger/appenders.rb, line 37
def flush
  each do |appender|
    logger.trace "Flushing appender: #{appender.name}"
    appender.flush
  rescue Exception => e
    logger.error "Failed to flush appender: #{appender.name}", e
  end
  logger.trace "All appenders flushed"
end
log(log) click to toggle source
# File lib/semantic_logger/appenders.rb, line 29
def log(log)
  each do |appender|
    appender.log(log) if appender.should_log?(log)
  rescue Exception => e
    logger.error "Failed to log to appender: #{appender.name}", e
  end
end
reopen() click to toggle source

After a fork the appender thread is not running, start it if it is not running.

# File lib/semantic_logger/appenders.rb, line 60
def reopen
  each do |appender|
    next unless appender.respond_to?(:reopen)

    logger.trace "Reopening appender: #{appender.name}"
    appender.reopen
  rescue Exception => e
    logger.error "Failed to re-open appender: #{appender.name}", e
  end
  logger.trace "All appenders re-opened"
end