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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.
*
*/
#ifndef _TopicExchange_
#define _TopicExchange_
#include <map>
#include <vector>
#include "qpid/broker/BrokerImportExport.h"
#include "qpid/broker/Exchange.h"
#include "qpid/framing/FieldTable.h"
#include "qpid/sys/Monitor.h"
#include "qpid/broker/Queue.h"
#include "qpid/broker/TopicKeyNode.h"
namespace qpid {
namespace broker {
class TopicExchange : public virtual Exchange {
class Normalizer;
struct BindingKey { // binding for this node
Binding::vector bindingVector;
FedBinding fedBinding;
};
typedef TopicKeyNode<BindingKey> BindingNode;
BindingKey *getQueueBinding(Queue::shared_ptr queue, const std::string& pattern);
bool deleteBinding(Queue::shared_ptr queue,
const std::string& routingKey,
BindingKey *bk);
class ReOriginIter;
class BindingsFinderIter;
class QueueFinderIter;
BindingNode bindingTree;
unsigned long nBindings;
qpid::sys::RWlock lock; // protects bindingTree and nBindings
qpid::sys::RWlock cacheLock; // protects cache
std::map<std::string, BindingList> bindingCache; // cache of matched routes.
class ClearCache {
private:
qpid::sys::RWlock* cacheLock;
std::map<std::string, BindingList>* bindingCache;
bool cleared;
public:
ClearCache(qpid::sys::RWlock* l, std::map<std::string, BindingList>* bc) :
cacheLock(l), bindingCache(bc),cleared(false) {};
void clearCache() {
qpid::sys::RWlock::ScopedWlock l(*cacheLock);
if (!cleared) {
bindingCache->clear();
cleared =true;
}
};
~ClearCache(){
clearCache();
};
};
public:
QPID_BROKER_EXTERN static const std::string typeName;
static QPID_BROKER_EXTERN std::string normalize(const std::string& pattern);
QPID_BROKER_EXTERN TopicExchange(const std::string& name,
management::Manageable* parent = 0, Broker* broker = 0);
QPID_BROKER_EXTERN TopicExchange(const std::string& _name,
bool _durable, bool autodelete,
const qpid::framing::FieldTable& _args,
management::Manageable* parent = 0, Broker* broker = 0);
virtual std::string getType() const { return typeName; }
QPID_BROKER_EXTERN virtual bool bind(Queue::shared_ptr queue,
const std::string& routingKey,
const qpid::framing::FieldTable* args);
virtual bool unbind(Queue::shared_ptr queue, const std::string& routingKey, const qpid::framing::FieldTable* args);
QPID_BROKER_EXTERN virtual void route(Deliverable& msg);
QPID_BROKER_EXTERN virtual bool isBound(Queue::shared_ptr queue,
const std::string* const routingKey,
const qpid::framing::FieldTable* const args);
QPID_BROKER_EXTERN virtual ~TopicExchange();
virtual bool supportsDynamicBinding() { return true; }
class TopicExchangeTester;
friend class TopicExchangeTester;
protected:
bool hasBindings();
};
}
}
#endif
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