Class: ExceptionHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/active_job_exception_handler.rb

Defined Under Namespace

Classes: ExceptionContext

Constant Summary collapse

RetryableError = 
Class.new(StandardError)
TYPES = 
%i[ignorables retryables unretryables].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(exception_context:, rescue_retryable_errors:, exception_processors: [ExceptionHandlerStatsdProcessor.new, ExceptionHandlerActionableFaultProcessor.new], logger: ActiveSupport::TaggedLogging.new(Logger.new(STDOUT))) ⇒ ExceptionHandler

Returns a new instance of ExceptionHandler.



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# File 'lib/active_job_exception_handler.rb', line 11

def initialize(exception_context:,
               rescue_retryable_errors:,
               exception_processors: [ExceptionHandlerStatsdProcessor.new,
                                      ExceptionHandlerActionableFaultProcessor.new],
               logger: ActiveSupport::TaggedLogging.new(Logger.new(STDOUT)))
  @exception_context = exception_context
  @exception_processors = exception_processors
  @rescue_retryable_errors = rescue_retryable_errors
  @logger = logger
  @error = nil
  @ignorables = []
  @retryables = [Timeout::Error, Net::HTTPError, Errno::ECONNREFUSED]
  @unretryables = []
end

Instance Attribute Details

#error ⇒ Object (readonly)

Returns the value of attribute error.



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# File 'lib/active_job_exception_handler.rb', line 9

def error
  @error
end

Instance Method Details

#add(error, type) ⇒ Object 



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# File 'lib/active_job_exception_handler.rb', line 26

def add(error, type)
  fail(StandardError, "Invalid error category: #{type}.") unless TYPES.include?(type)
  public_send(type) << error
end

#error? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_job_exception_handler.rb', line 31

def error?
  error.present?
end

#process! ⇒ Object 



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

def process!
  yield if block_given?

rescue *ignorables => error
  handle_ignorable(error)

rescue *retryables => error
  handle_retryable(error)

rescue *unretryables => error
  handle_unretryable(error)

rescue StandardError => error
  handle_unknown(error)
end