Class: Pwwka::ErrorHandlers::Chain
- Inherits:
-
Object
- Object
- Pwwka::ErrorHandlers::Chain
- Includes:
- Logging
- Defined in:
- lib/pwwka/error_handlers/chain.rb
Overview
Given a chain of error handlers, calls them until either one returns false/aborts or we exhaust the chain of handlers
Constant Summary
Constants included from Logging
Instance Method Summary collapse
- #handle_error(message_handler_klass, receiver, queue_name, payload, delivery_info, exception) ⇒ Object
-
#initialize(default_handler_chain = []) ⇒ Chain
constructor
A new instance of Chain.
Methods included from Logging
Constructor Details
#initialize(default_handler_chain = []) ⇒ Chain
Returns a new instance of Chain.
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# File 'lib/pwwka/error_handlers/chain.rb', line 7 def initialize(default_handler_chain=[]) @error_handlers = default_handler_chain end |
Instance Method Details
#handle_error(message_handler_klass, receiver, queue_name, payload, delivery_info, exception) ⇒ Object
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# File 'lib/pwwka/error_handlers/chain.rb', line 10 def handle_error(,receiver,queue_name,payload,delivery_info,exception) logf "Error Processing Message in %{message_handler_klass} due to %{exception} from payload '%{payload}'", at: :error, message_handler_klass: , exception: exception., payload: payload if .respond_to?(:error_handler) @error_handlers.unshift(.send(:error_handler)) end @error_handlers.reduce(true) { |keep_going,error_handler| begin logf "%{error_handler_class} is being evaluated as part of pwwka's error-handling chain", error_handler_class: error_handler if keep_going keep_going = error_handler.new.handle_error(receiver,queue_name,payload,delivery_info,exception) if keep_going logf "%{error_handler_class} has asked to continue pwwka's error-handling chain", error_handler_class: error_handler else logf "%{error_handler_class} has halted pwwka's error-handling chain", error_handler_class: error_handler end else logf "Skipping %{error_handler_class} as we were asked to abort pwwka's error-handling chain", error_handler_class: error_handler end keep_going rescue StandardError => exception logf "'%{error_handler_class}' aborting due to unhandled exception '%{exception}'", at: :fatal, error_handler_class: error_handler, exception: exception false end } end |