class SemanticLogger::Appender::Wrapper
Attributes
logger[R]
Public Class Methods
new(logger:, **args, &block)
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Forward all logging calls to the supplied logging instance.
Parameters
logger: [Object] Instance of an existing logger conforming to the Ruby Logger methods. level: [:trace | :debug | :info | :warn | :error | :fatal] Override the log level for this appender. Default: SemanticLogger.default_level formatter: [Object|Proc] An instance of a class that implements #call, or a Proc to be used to format the output from this appender Default: Use the built-in formatter (See: #call) filter: [Regexp|Proc] RegExp: Only include log messages where the class name matches the supplied. regular expression. All other messages will be ignored. Proc: Only include log messages where the supplied Proc returns true The Proc must return true or false.
Ruby Logger
require 'logger' require 'semantic_logger' ruby_logger = Logger.new($stdout) SemanticLogger.add_appender(logger: ruby_logger) logger = SemanticLogger['test'] logger.info('Hello World', some: :payload)
Install the `rails_semantic_logger` gem to replace the Rails logger with Semantic Logger
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Calls superclass method
SemanticLogger::Subscriber::new
# File lib/semantic_logger/appender/wrapper.rb, line 42 def initialize(logger:, **args, &block) @logger = logger # Check if the custom appender responds to all the log levels. For example Ruby ::Logger does_not_implement = LEVELS[1..-1].find { |i| !@logger.respond_to?(i) } if does_not_implement raise(ArgumentError, "Supplied logger does not implement:#{does_not_implement}. It must implement all of #{LEVELS[1..-1].inspect}") end super(**args, &block) end
Public Instance Methods
flush()
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Flush all pending logs to disk.
Waits for all sent documents to be writted to disk
# File lib/semantic_logger/appender/wrapper.rb, line 65 def flush @logger.flush if @logger.respond_to?(:flush) end
log(log)
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Pass log calls to the underlying Rails, log4j or Ruby logger
trace entries are mapped to debug since :trace is not supported by the Ruby or Rails Loggers
# File lib/semantic_logger/appender/wrapper.rb, line 58 def log(log) @logger.send(log.level == :trace ? :debug : log.level, formatter.call(log, self)) true end