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/*
*
* 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/Broker.h"
#include "qpid/broker/Queue.h"
#include "qpid/broker/QueueRegistry.h"
#include "qpid/broker/Exchange.h"
#include "qpid/log/Statement.h"
#include "qpid/management/ManagementAgent.h"
#include "qpid/framing/reply_exceptions.h"
#include "qmf/org/apache/qpid/broker/EventQueueDeclare.h"
#include "qmf/org/apache/qpid/broker/EventQueueDelete.h"
#include <sstream>
#include <assert.h>
namespace _qmf = qmf::org::apache::qpid::broker;
using namespace qpid::broker;
using namespace qpid::sys;
using std::string;
QueueRegistry::QueueRegistry(Broker* b)
{
setBroker(b);
}
QueueRegistry::~QueueRegistry(){}
std::pair<Queue::shared_ptr, bool>
QueueRegistry::declare(const string& name, const QueueSettings& settings,
boost::shared_ptr<Exchange> alternate,
bool recovering/*true if this declare is a
result of recovering queue
definition from persistent
record*/,
const OwnershipToken* owner,
std::string connectionId,
std::string userId)
{
std::pair<Queue::shared_ptr, bool> result;
{
RWlock::ScopedWlock locker(lock);
QueueMap::iterator i = queues.find(name);
if (i == queues.end()) {
Queue::shared_ptr queue = create(name, settings);
//Move this to factory also?
if (alternate)
queue->setAlternateExchange(alternate);//need to do this *before* create
if (!recovering) {
//create persistent record if required
queue->create();
}
queues[name] = queue;
// NOTE: raiseEvent and queueCreate must be called with the lock held in
// order to ensure events are generated in the correct order.
// Call queueCreate before raiseEvents so it can add arguments that
// will be included in the management event.
if (getBroker()) getBroker()->getConfigurationObservers().queueCreate(queue);
result = std::pair<Queue::shared_ptr, bool>(queue, true);
} else {
result = std::pair<Queue::shared_ptr, bool>(i->second, false);
}
if (getBroker() && getBroker()->getManagementAgent()) {
getBroker()->getManagementAgent()->raiseEvent(
_qmf::EventQueueDeclare(
connectionId, userId, name,
settings.durable, owner, settings.autodelete,
alternate ? alternate->getName() : string(),
result.first->getSettings().asMap(),
result.second ? "created" : "existing"));
}
}
return result;
}
void QueueRegistry::destroy(
const string& name, const string& connectionId, const string& userId)
{
Queue::shared_ptr q;
{
qpid::sys::RWlock::ScopedWlock locker(lock);
QueueMap::iterator i = queues.find(name);
if (i != queues.end()) {
q = i->second;
queues.erase(i);
if (getBroker()) {
// NOTE: queueDestroy and raiseEvent must be called with the
// lock held in order to ensure events are generated
// in the correct order.
getBroker()->getConfigurationObservers().queueDestroy(q);
if (getBroker()->getManagementAgent())
getBroker()->getManagementAgent()->raiseEvent(
_qmf::EventQueueDelete(connectionId, userId, 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;
}
}
Queue::shared_ptr QueueRegistry::get(const string& name) {
Queue::shared_ptr q = find(name);
if (!q) throw framing::NotFoundException(QPID_MSG("Queue not found: "<<name));
return q;
}
//void QueueRegistry::setStore (MessageStore* _store)
void QueueRegistry::setStore (AsyncStore* const _store)
{
QueueFactory::setStore(_store);
}
//MessageStore* QueueRegistry::getStore() const
AsyncStore* QueueRegistry::getStore() const
{
return QueueFactory::getStore();
}
void QueueRegistry::setParent(qpid::management::Manageable* _parent)
{
QueueFactory::setParent(_parent);
}
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