| #-- |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| #++ |
| |
| module Qpid::Proton::Handler |
| |
| class WrappedHandler |
| |
| # @private |
| include Qpid::Proton::Util::Wrapper |
| |
| def self.wrap(impl, on_error = nil) |
| return nil if impl.nil? |
| |
| result = self.fetch_instance(impl) || WrappedHandler.new(impl) |
| result.on_error = on_error |
| return result |
| end |
| |
| include Qpid::Proton::Util::Handler |
| |
| def initialize(impl_or_constructor) |
| if impl_or_constructor.is_a?(Method) |
| @impl = impl_or_constructor.call |
| else |
| @impl = impl_or_constructor |
| Cproton.pn_incref(@impl) |
| end |
| @on_error = nil |
| self.class.store_instance(self) |
| end |
| |
| def add(handler) |
| return if handler.nil? |
| |
| impl = chandler(handler, self.method(:_on_error)) |
| Cproton.pn_handler_add(@impl, impl) |
| Cproton.pn_decref(impl) |
| end |
| |
| def clear |
| Cproton.pn_handler_clear(@impl) |
| end |
| |
| def on_error=(on_error) |
| @on_error = on_error |
| end |
| |
| private |
| |
| def _on_error(info) |
| if self.has?['on_error'] |
| self['on_error'].call(info) |
| else |
| raise info |
| end |
| end |
| |
| end |
| |
| end |