Class: RubyReactor::Executor::ResultHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby_reactor/executor/result_handler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(context:, compensation_manager:, dependency_graph:) ⇒ ResultHandler

Returns a new instance of ResultHandler.



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# File 'lib/ruby_reactor/executor/result_handler.rb', line 6

def initialize(context:, compensation_manager:, dependency_graph:)
  @context = context
  @compensation_manager = compensation_manager
  @dependency_graph = dependency_graph
  @step_results = {}
end

Instance Attribute Details

#step_results ⇒ Object (readonly)

Returns the value of attribute step_results.



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# File 'lib/ruby_reactor/executor/result_handler.rb', line 13

def step_results
  @step_results
end

Instance Method Details

#final_result(reactor_class) ⇒ Object 



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# File 'lib/ruby_reactor/executor/result_handler.rb', line 77

def final_result(reactor_class)
  if reactor_class.return_step
    result_value = @context.get_result(reactor_class.return_step)
    RubyReactor.Success(result_value)
  else
    RubyReactor.Success(@context.intermediate_results)
  end
end

#handle_execution_error(error) ⇒ Object 



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# File 'lib/ruby_reactor/executor/result_handler.rb', line 46

def handle_execution_error(error)
  case error
  when Error::StepFailureError
    # Step failure has already been handled (compensation and rollback for the failed step)
    # But we need to rollback all completed steps
    @compensation_manager.rollback_completed_steps

    redact_inputs = error.context.reactor_class.inputs.select { |_, config| config[:redact] }.keys

    RubyReactor::Failure(
      error.message,
      step_name: error.step,
      inputs: error.context.inputs,
      redact_inputs: redact_inputs,
      backtrace: error.backtrace,
      reactor_name: error.context.reactor_class.name,
      step_arguments: error.step_arguments
    )
  when Error::InputValidationError
    # Preserve validation errors as-is for proper error handling
    RubyReactor.Failure(error)
  when Error::Base
    # Other errors need rollback
    @compensation_manager.rollback_completed_steps
    RubyReactor.Failure("Execution error: #{error.message}")
  else
    # Unknown errors - don't rollback as they may not be reactor-related
    RubyReactor.Failure("Execution failed: #{error.message}")
  end
end

#handle_step_result(step_config, result, resolved_arguments) ⇒ Object 



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# File 'lib/ruby_reactor/executor/result_handler.rb', line 15

def handle_step_result(step_config, result, resolved_arguments)
  case result
  when RubyReactor::Success
    validate_step_output(step_config, result.value, resolved_arguments)
    @step_results[step_config.name] = result
    @compensation_manager.add_to_undo_stack({ step: step_config, arguments: resolved_arguments, result: result })
    @context.set_result(step_config.name, result.value)
    @dependency_graph.complete_step(step_config.name)
  when RubyReactor::MaxRetriesExhaustedFailure
    # For MaxRetriesExhaustedFailure, use the original error to avoid double-wrapping the message
    # The error message from MaxRetriesExhaustedFailure already includes "failed after N attempts"
    @compensation_manager.handle_step_failure(step_config, result.original_error, resolved_arguments)
    # Use the MaxRetriesExhaustedFailure error message for the final error
    raise Error::StepFailureError.new(result.error, step: step_config.name, context: @context,
                                                    step_arguments: resolved_arguments)
  when RubyReactor::Failure
    failure_result = @compensation_manager.handle_step_failure(step_config, result.error, resolved_arguments)
    raise Error::StepFailureError.new(failure_result.error, step: step_config.name, context: @context,
                                                            step_arguments: resolved_arguments)
  else
    # Treat non-Success/Failure results as success with that value
    validate_step_output(step_config, result, resolved_arguments)
    success_result = RubyReactor.Success(result)
    @step_results[step_config.name] = success_result
    @compensation_manager.add_to_undo_stack({ step: step_config, arguments: resolved_arguments,
                                              result: success_result })
    @context.set_result(step_config.name, result)
    @dependency_graph.complete_step(step_config.name)
  end
end