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#ifndef _broker_ExchangeRegistry_h
#define _broker_ExchangeRegistry_h
/*
*
* 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/BrokerImportExport.h"
#include "qpid/broker/Exchange.h"
#include "qpid/broker/MessageStore.h"
#include "qpid/framing/FieldTable.h"
#include "qpid/sys/Monitor.h"
#include "qpid/management/Manageable.h"
#include <boost/function.hpp>
#include <boost/bind.hpp>
#include <algorithm>
#include <map>
namespace qpid {
namespace broker {
namespace {
const std::string UNKNOWN_EXCHANGE_TYPE("Unknown exchange type: ");
}
struct UnknownExchangeTypeException : std::exception
{
const std::string message;
UnknownExchangeTypeException(const std::string& type) throw() : message(UNKNOWN_EXCHANGE_TYPE + type) {}
~UnknownExchangeTypeException() throw() {}
const char* what() const throw()
{
return message.c_str();
}
};
class ExchangeRegistry{
public:
typedef boost::function6<Exchange::shared_ptr, const std::string&,
bool, bool, const qpid::framing::FieldTable&, qpid::management::Manageable*, qpid::broker::Broker*> FactoryFunction;
ExchangeRegistry (Broker* b = 0) : parent(0), broker(b) {}
QPID_BROKER_EXTERN std::pair<Exchange::shared_ptr, bool> declare(
const std::string& name, const std::string& type);
QPID_BROKER_EXTERN std::pair<Exchange::shared_ptr, bool> declare(
const std::string& name,
const std::string& type,
bool durable,
bool autodelete,
const qpid::framing::FieldTable& args = framing::FieldTable(),
Exchange::shared_ptr alternate = Exchange::shared_ptr(),
const std::string& connectionId = std::string(),
const std::string& userId = std::string());
QPID_BROKER_EXTERN void destroy(
const std::string& name,
const std::string& connectionId = std::string(),
const std::string& userId = std::string());
QPID_BROKER_EXTERN Exchange::shared_ptr getDefault();
/**
* Find the named exchange. Return 0 if not found.
*/
QPID_BROKER_EXTERN boost::shared_ptr<Exchange> find(const std::string& name);
/**
* Get the named exchange. Throw exception if not found.
*/
QPID_BROKER_EXTERN boost::shared_ptr<Exchange> get(const std::string& name);
/**
* Register the manageable parent for declared exchanges
*/
void setParent (management::Manageable* _parent) { parent = _parent; }
/** Register an exchange instance.
*@return true if registered, false if exchange with same name is already registered.
*/
QPID_BROKER_EXTERN bool registerExchange(const Exchange::shared_ptr&);
QPID_BROKER_EXTERN void registerType(const std::string& type, FactoryFunction);
QPID_BROKER_EXTERN void checkType(const std::string& type);
/** Call f for each exchange in the registry. */
template <class F> void eachExchange(F f) const {
qpid::sys::RWlock::ScopedRlock l(lock);
for (ExchangeMap::const_iterator i = exchanges.begin(); i != exchanges.end(); ++i)
f(i->second);
}
private:
typedef std::map<std::string, Exchange::shared_ptr> ExchangeMap;
typedef std::map<std::string, FactoryFunction > FunctionMap;
ExchangeMap exchanges;
FunctionMap factory;
mutable qpid::sys::RWlock lock;
management::Manageable* parent;
Broker* broker;
};
}} // namespace qpid::broker
#endif /*!_broker_ExchangeRegistry_h*/
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