diff options
Diffstat (limited to 'qpid/cpp/src/qpid/broker/QueueRegistry.cpp')
-rw-r--r-- | qpid/cpp/src/qpid/broker/QueueRegistry.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/broker/QueueRegistry.cpp b/qpid/cpp/src/qpid/broker/QueueRegistry.cpp new file mode 100644 index 0000000000..61bdb0ffde --- /dev/null +++ b/qpid/cpp/src/qpid/broker/QueueRegistry.cpp @@ -0,0 +1,93 @@ +/* + * + * 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 "QueueRegistry.h" +#include "qpid/log/Statement.h" +#include <sstream> +#include <assert.h> + +using namespace qpid::broker; +using namespace qpid::sys; + +QueueRegistry::QueueRegistry() : + counter(1), store(0), parent(0) {} + +QueueRegistry::~QueueRegistry(){} + +std::pair<Queue::shared_ptr, bool> +QueueRegistry::declare(const string& declareName, bool durable, + bool autoDelete, const OwnershipToken* owner) +{ + RWlock::ScopedWlock locker(lock); + string name = declareName.empty() ? generateName() : declareName; + assert(!name.empty()); + QueueMap::iterator i = queues.find(name); + + if (i == queues.end()) { + Queue::shared_ptr queue(new Queue(name, autoDelete, durable ? store : 0, owner, parent)); + queues[name] = queue; + + return std::pair<Queue::shared_ptr, bool>(queue, true); + } else { + return std::pair<Queue::shared_ptr, bool>(i->second, false); + } +} + +void QueueRegistry::destroyLH (const string& name){ + queues.erase(name); +} + +void QueueRegistry::destroy (const string& name){ + RWlock::ScopedWlock locker(lock); + destroyLH (name); +} + +Queue::shared_ptr QueueRegistry::find(const string& name){ + RWlock::ScopedRlock locker(lock); + QueueMap::iterator i = queues.find(name); + + if (i == queues.end()) { + return Queue::shared_ptr(); + } else { + return i->second; + } +} + +string QueueRegistry::generateName(){ + string name; + do { + std::stringstream ss; + ss << "tmp_" << counter++; + name = ss.str(); + // Thread safety: Private function, only called with lock held + // so this is OK. + } while(queues.find(name) != queues.end()); + return name; +} + +void QueueRegistry::setStore (MessageStore* _store) +{ + assert (store == 0 && _store != 0); + store = _store; +} + +MessageStore* QueueRegistry::getStore() const { + return store; +} |