| /* |
| * |
| * 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. |
| * |
| */ |
| #include "qpid/broker/QueueListeners.h" |
| #include <boost/bind.hpp> |
| |
| namespace qpid { |
| namespace broker { |
| |
| void QueueListeners::addListener(Consumer::shared_ptr c) |
| { |
| if (!c->inListeners) { |
| if (c->acquires) { |
| add(consumers, c); |
| } else { |
| add(browsers, c); |
| } |
| c->inListeners = true; |
| } |
| } |
| |
| void QueueListeners::removeListener(Consumer::shared_ptr c) |
| { |
| if (c->inListeners) { |
| if (c->acquires) { |
| remove(consumers, c); |
| } else { |
| remove(browsers, c); |
| } |
| c->inListeners = false; |
| } |
| } |
| |
| void QueueListeners::populate(NotificationSet& set) |
| { |
| if (consumers.size()) { |
| set.consumer = consumers.front(); |
| consumers.pop_front(); |
| set.consumer->inListeners = false; |
| } else { |
| // Don't swap the deques, hang on to the memory allocated. |
| set.browsers = browsers; |
| browsers.clear(); |
| for (Listeners::iterator i = set.browsers.begin(); i != set.browsers.end(); i++) |
| (*i)->inListeners = false; |
| } |
| } |
| |
| void QueueListeners::add(Listeners& listeners, Consumer::shared_ptr c) |
| { |
| listeners.push_back(c); |
| } |
| |
| void QueueListeners::remove(Listeners& listeners, Consumer::shared_ptr c) |
| { |
| Listeners::iterator i = std::find(listeners.begin(), listeners.end(), c); |
| if (i != listeners.end()) listeners.erase(i); |
| } |
| |
| void QueueListeners::NotificationSet::notify() |
| { |
| if (consumer) consumer->notify(); |
| else std::for_each(browsers.begin(), browsers.end(), boost::mem_fn(&Consumer::notify)); |
| } |
| |
| bool QueueListeners::contains(Consumer::shared_ptr c) const { |
| return c->inListeners; |
| } |
| |
| void QueueListeners::ListenerSet::notifyAll() |
| { |
| std::for_each(listeners.begin(), listeners.end(), boost::mem_fn(&Consumer::notify)); |
| } |
| |
| void QueueListeners::snapshot(ListenerSet& set) |
| { |
| set.listeners.insert(set.listeners.end(), consumers.begin(), consumers.end()); |
| set.listeners.insert(set.listeners.end(), browsers.begin(), browsers.end()); |
| } |
| |
| }} // namespace qpid::broker |