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Diffstat (limited to 'qpid/cpp/src/qpid/broker/QueueFactory.cpp')
-rw-r--r-- | qpid/cpp/src/qpid/broker/QueueFactory.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/broker/QueueFactory.cpp b/qpid/cpp/src/qpid/broker/QueueFactory.cpp new file mode 100644 index 0000000000..efeb9ae53b --- /dev/null +++ b/qpid/cpp/src/qpid/broker/QueueFactory.cpp @@ -0,0 +1,114 @@ +/* + * + * 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/QueueFactory.h" +#include "qpid/broker/Broker.h" +#include "qpid/broker/QueueSettings.h" +#include "qpid/broker/Queue.h" +#include "qpid/broker/LossyQueue.h" +#include "qpid/broker/Lvq.h" +#include "qpid/broker/Messages.h" +#include "qpid/broker/MessageDistributor.h" +#include "qpid/broker/MessageGroupManager.h" +#include "qpid/broker/Fairshare.h" +#include "qpid/broker/MessageDeque.h" +#include "qpid/broker/MessageMap.h" +#include "qpid/broker/PriorityQueue.h" +#include "qpid/broker/QueueFlowLimit.h" +#include "qpid/broker/ThresholdAlerts.h" +#include "qpid/broker/FifoDistributor.h" +#include <map> +#include <memory> + +namespace qpid { +namespace broker { + + +QueueFactory::QueueFactory() : broker(0), store(0), parent(0) {} + +boost::shared_ptr<Queue> QueueFactory::create(const std::string& name, const QueueSettings& settings) +{ + settings.validate(); + + //1. determine Queue type (i.e. whether we are subclassing Queue) + // -> if 'ring' policy is in use then subclass + boost::shared_ptr<Queue> queue; + if (settings.dropMessagesAtLimit) { + queue = boost::shared_ptr<Queue>(new LossyQueue(name, settings, settings.durable ? store : 0, parent, broker)); + } else if (settings.lvqKey.size()) { + std::auto_ptr<MessageMap> map(new MessageMap(settings.lvqKey)); + queue = boost::shared_ptr<Queue>(new Lvq(name, map, settings, settings.durable ? store : 0, parent, broker)); + } else { + queue = boost::shared_ptr<Queue>(new Queue(name, settings, settings.durable ? store : 0, parent, broker)); + } + + //2. determine Messages type (i.e. structure) + if (settings.priorities) { + if (settings.defaultFairshare || settings.fairshare.size()) { + queue->messages = Fairshare::create(settings); + } else { + queue->messages = std::auto_ptr<Messages>(new PriorityQueue(settings.priorities)); + } + } else if (settings.lvqKey.empty()) {//LVQ already handled above + queue->messages = std::auto_ptr<Messages>(new MessageDeque()); + } + + //3. determine MessageDistributor type + if (settings.groupKey.size()) { + boost::shared_ptr<MessageGroupManager> mgm(MessageGroupManager::create( name, *(queue->messages), settings)); + queue->allocator = mgm; + queue->addObserver(mgm); + } else { + queue->allocator = boost::shared_ptr<MessageDistributor>(new FifoDistributor( *(queue->messages) )); + } + + + //4. threshold event config + if (broker && broker->getManagementAgent()) { + ThresholdAlerts::observe(*queue, *(broker->getManagementAgent()), settings, broker->getOptions().queueThresholdEventRatio); + } + //5. flow control config + QueueFlowLimit::observe(*queue, settings); + + return queue; +} + +void QueueFactory::setBroker(Broker* b) +{ + broker = b; +} +Broker* QueueFactory::getBroker() +{ + return broker; +} +void QueueFactory::setStore (MessageStore* s) +{ + store = s; +} +MessageStore* QueueFactory::getStore() const +{ + return store; +} +void QueueFactory::setParent(management::Manageable* p) +{ + parent = p; +} + +}} // namespace qpid::broker |