/* * * 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 #ifndef _Queue_ #define _Queue_ namespace qpid { namespace client { /** * A 'handle' used to represent an AMQP queue in the Channel * methods. Creating an instance of this class does not cause the * queue to be created on the broker. Rather, an instance of this * class should be passed to Channel::declareQueue() to ensure * that the queue exists or is created. * * Queues hold messages and allow clients to consume * (see Channel::consume()) or get (see Channel::get()) those messags. A * queue receives messages by being bound to one or more Exchange; * messages published to that exchange may then be routed to the * queue based on the details of the binding and the type of the * exchange (see Channel::bind()). * * Queues are identified by a name. They can be exclusive (in which * case they can only be used in the context of the connection * over which they were declared, and are deleted when then * connection closes), or they can be shared. Shared queues can be * auto deleted when they have no consumers. * * We use the term 'temporary queue' to refer to an exclusive * queue. * * \ingroup clientapi */ class Queue{ std::string name; const bool autodelete; const bool exclusive; public: /** * Creates an unnamed, temporary queue. A name will be * assigned to this queue instance by a call to * Channel::declareQueue(). */ Queue(); /** * Creates a shared queue with a given name, that will not be * autodeleted. * * @param name the name of the queue */ Queue(std::string name); /** * Creates a queue with a given name. * * @param name the name of the queue * * @param temp if true the queue will be a temporary queue, if * false it will be shared and not autodeleted. */ Queue(std::string name, bool temp); /** * This constructor allows the autodelete and exclusive * propeties to be explictly set. Note however that if * exclusive is true, autodelete has no meaning as exclusive * queues are always destroyed when the connection that * created them is closed. */ Queue(std::string name, bool autodelete, bool exclusive); const std::string& getName() const; void setName(const std::string&); bool isAutoDelete() const; bool isExclusive() const; }; } } #endif