Class: Handler

Inherits:
AbstractHandler show all
Defined in:
lib/javonet-ruby-sdk/core/handler/handler.rb

Class Method Summary collapse

Methods inherited from AbstractHandler

#handle_command

Class Method Details

.handle_command(command) ⇒ Object 



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# File 'lib/javonet-ruby-sdk/core/handler/handler.rb', line 170

def self.handle_command(command)
  initialize_handler_dict
  begin
    if command.command_type == CommandType::RETRIEVE_ARRAY
      response_array = $handler_dict[CommandType::REFERENCE].handle_command(command.payload[0])
      return Command.create_array_response(response_array, command.runtime_name)
    end

    response = $handler_dict[command.command_type].handle_command(command)

    if response.is_a? Exception
      ExceptionSerializer.serialize_exception(response, command)
    else
      parse_response(response, command.runtime_name)
    end
  rescue Exception => e
    ExceptionSerializer.serialize_exception(e, command)
  end
end

.initialize_handler_dict ⇒ Object 



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# File 'lib/javonet-ruby-sdk/core/handler/handler.rb', line 64

def self.initialize_handler_dict
  return unless $handler_dict.empty?

  value_handler = ValueHandler.new
  load_library_handler = LoadLibraryHandler.new
  invoke_static_method_handler = InvokeStaticMethodHandler.new
  get_static_field_handler = GetStaticFieldHandler.new
  set_static_field_handler = SetStaticFieldHandler.new
  create_class_instance_handler = CreateClassInstanceHandler.new
  get_type_handler = GetTypeHandler.new
  resolve_instance_handler = ResolveInstanceHandler.new
  get_module_handler = GetModuleHandler.new
  invoke_instance_method_handler = InvokeInstanceMethodHandler.new
  exception_handler = ExceptionHandler.new
  heartbeat_handler = HeartbeatHandler.new
  casting_handler = CastingHandler.new
  get_instance_field_handler = GetInstanceFieldHandler.new
  optimize_handler = OptimizeHandler.new
  generate_lib_handler = GenerateLibHandler.new
  invoke_global_function_handler = InvokeGlobalFunctionHandler.new
  destruct_reference_handler = DestructReferenceHandler.new
  array_reference_handler = ArrayReferenceHandler.new
  array_get_item_handler = ArrayGetItemHandler.new
  array_get_size_handler = ArrayGetSizeHandler.new
  array_get_rank_handler = ArrayGetRankHandler.new
  array_set_item_handler = ArraySetItemHandler.new
  array_handler = ArrayHandler.new
  retrieve_array_handler = RetrieveArrayHandler.new
  set_instance_field_handler = SetInstanceFieldHandler.new
  invoke_generic_static_method_handler = InvokeGenericStaticMethodHandler.new
  invoke_generic_method_handler = InvokeGenericMethodHandler.new
  get_enum_item_handler = GetEnumItemHandler.new
  get_enum_name_handler = GetEnumNameHandler.new
  get_enum_value_handler = GetEnumValueHandler.new
  as_ref_handler = AsRefHandler.new
  as_out_handler = AsOutHandler.new
  get_ref_value_handler = GetRefValueHandler.new
  enable_namespace_handler = EnableNamespaceHandler.new
  enable_type_handler = EnableTypeHandler.new
  create_null_handler = CreateNullHandler.new
  get_static_method_as_delegate_handler = GetStaticMethodAsDelegateHandler.new
  get_instance_method_as_delegate_handler = GetInstanceMethodAsDelegateHandler.new
  pass_delegate_handler = PassDelegateHandler.new
  invoke_delegate_handler = InvokeDelegateHandler.new
  convert_type_handler = ConvertTypeHandler.new
  add_event_listener_handler = AddEventListenerHandler.new
  plugin_wrapper_handler = PluginWrapperHandler.new
  get_async_operation_result_handler = GetAsyncOperationResultHandler.new
  as_kwargs_handler = AsKwargsHandler.new
  get_result_type_handler = GetResultTypeHandler.new
  get_global_field_handler = GetGlobalFieldHandler.new
  register_for_update_handler = RegisterForUpdateHandler.new
  value_for_update_handler = ValueForUpdateHandler.new

  $handler_dict[CommandType::VALUE] = value_handler
  $handler_dict[CommandType::LOAD_LIBRARY] = load_library_handler
  $handler_dict[CommandType::INVOKE_STATIC_METHOD] = invoke_static_method_handler
  $handler_dict[CommandType::GET_STATIC_FIELD] = get_static_field_handler
  $handler_dict[CommandType::SET_STATIC_FIELD] = set_static_field_handler
  $handler_dict[CommandType::CREATE_CLASS_INSTANCE] = create_class_instance_handler
  $handler_dict[CommandType::GET_TYPE] = get_type_handler
  $handler_dict[CommandType::REFERENCE] = resolve_instance_handler
  $handler_dict[CommandType::GET_MODULE] = get_module_handler
  $handler_dict[CommandType::INVOKE_INSTANCE_METHOD] = invoke_instance_method_handler
  $handler_dict[CommandType::EXCEPTION] = exception_handler
  $handler_dict[CommandType::HEARTBEAT] = heartbeat_handler
  $handler_dict[CommandType::CAST] = casting_handler
  $handler_dict[CommandType::GET_INSTANCE_FIELD] = get_instance_field_handler
  $handler_dict[CommandType::OPTIMIZE] = optimize_handler
  $handler_dict[CommandType::GENERATE_LIB] = generate_lib_handler
  $handler_dict[CommandType::INVOKE_GLOBAL_FUNCTION] = invoke_global_function_handler
  $handler_dict[CommandType::DESTRUCT_REFERENCE] = destruct_reference_handler
  $handler_dict[CommandType::ARRAY_REFERENCE] = array_reference_handler
  $handler_dict[CommandType::ARRAY_GET_ITEM] = array_get_item_handler
  $handler_dict[CommandType::ARRAY_GET_SIZE] = array_get_size_handler
  $handler_dict[CommandType::ARRAY_GET_RANK] = array_get_rank_handler
  $handler_dict[CommandType::ARRAY_SET_ITEM] = array_set_item_handler
  $handler_dict[CommandType::ARRAY] = array_handler
  $handler_dict[CommandType::RETRIEVE_ARRAY] = retrieve_array_handler
  $handler_dict[CommandType::SET_INSTANCE_FIELD] = set_instance_field_handler
  $handler_dict[CommandType::INVOKE_GENERIC_STATIC_METHOD] = invoke_generic_static_method_handler
  $handler_dict[CommandType::INVOKE_GENERIC_METHOD] = invoke_generic_method_handler
  $handler_dict[CommandType::GET_ENUM_ITEM] = get_enum_item_handler
  $handler_dict[CommandType::GET_ENUM_NAME] = get_enum_name_handler
  $handler_dict[CommandType::GET_ENUM_VALUE] = get_enum_value_handler
  $handler_dict[CommandType::AS_REF] = as_ref_handler
  $handler_dict[CommandType::AS_OUT] = as_out_handler
  $handler_dict[CommandType::GET_REF_VALUE] = get_ref_value_handler
  $handler_dict[CommandType::ENABLE_NAMESPACE] = enable_namespace_handler
  $handler_dict[CommandType::ENABLE_TYPE] = enable_type_handler
  $handler_dict[CommandType::CREATE_NULL] = create_null_handler
  $handler_dict[CommandType::GET_STATIC_METHOD_AS_DELEGATE] = get_static_method_as_delegate_handler
  $handler_dict[CommandType::GET_INSTANCE_METHOD_AS_DELEGATE] = get_instance_method_as_delegate_handler
  $handler_dict[CommandType::PASS_DELEGATE] = pass_delegate_handler
  $handler_dict[CommandType::INVOKE_DELEGATE] = invoke_delegate_handler
  $handler_dict[CommandType::CONVERT_TYPE] = convert_type_handler
  $handler_dict[CommandType::ADD_EVENT_LISTENER] = add_event_listener_handler
  $handler_dict[CommandType::PLUGIN_WRAPPER] = plugin_wrapper_handler
  $handler_dict[CommandType::GET_ASYNC_OPERATION_RESULT] = get_async_operation_result_handler
  $handler_dict[CommandType::AS_KWARGS] = as_kwargs_handler
  $handler_dict[CommandType::GET_RESULT_TYPE] = get_result_type_handler
  $handler_dict[CommandType::GET_GLOBAL_FIELD] = get_global_field_handler
  $handler_dict[CommandType::REGISTER_FOR_UPDATE] = register_for_update_handler
  $handler_dict[CommandType::VALUE_FOR_UPDATE] = value_for_update_handler
end

.is_response_array(response) ⇒ Object 



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# File 'lib/javonet-ruby-sdk/core/handler/handler.rb', line 224

def self.is_response_array(response)
  response.is_a? Array
end

.parse_response(response, runtime_name) ⇒ Object 



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# File 'lib/javonet-ruby-sdk/core/handler/handler.rb', line 192

def self.parse_response(response, runtime_name)
  # Build base response (primitive vs reference)
  response_command =
    if TypesHandler.primitive_or_none?(response)
      Command.create_response(response, runtime_name)
    else
      reference_cache = ReferencesCache.instance
      guid = reference_cache.cache_reference(response)
      Command.create_reference(guid, runtime_name)
    end

  # Append ValueForUpdate commands from invocation contexts if present
  invocation_contexts = RegisterForUpdateHandler.get_or_create_context_dict
  if invocation_contexts && !invocation_contexts.empty?
    ref_cache = ReferencesCache.instance
    invocation_contexts.each do |key, value|
      instance_guid = ref_cache.cache_reference(value)
      update_context_command = Command.new(
        runtime_name,
        CommandType::VALUE_FOR_UPDATE,
        [key.to_s,
         instance_guid]
      )
      response_command = response_command.add_arg_to_payload(update_context_command)
    end
    # Clear all entries after processing this request
    invocation_contexts.clear
  end

  response_command
end