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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 <ExchangeRegistry.h>
#include <DirectExchange.h>
#include <FanOutExchange.h>
#include <HeadersExchange.h>
#include <TopicExchange.h>
using namespace qpid::broker;
using namespace qpid::sys;
using std::pair;
pair<Exchange::shared_ptr, bool> ExchangeRegistry::declare(const string& name, const string& type) throw(UnknownExchangeTypeException){
Mutex::ScopedLock locker(lock);
ExchangeMap::iterator i = exchanges.find(name);
if (i == exchanges.end()) {
Exchange::shared_ptr exchange;
if(type == TopicExchange::typeName){
exchange = Exchange::shared_ptr(new TopicExchange(name));
}else if(type == DirectExchange::typeName){
exchange = Exchange::shared_ptr(new DirectExchange(name));
}else if(type == FanOutExchange::typeName){
exchange = Exchange::shared_ptr(new FanOutExchange(name));
}else if (type == HeadersExchange::typeName) {
exchange = Exchange::shared_ptr(new HeadersExchange(name));
}else{
throw UnknownExchangeTypeException();
}
exchanges[name] = exchange;
return std::pair<Exchange::shared_ptr, bool>(exchange, true);
} else {
return std::pair<Exchange::shared_ptr, bool>(i->second, false);
}
}
void ExchangeRegistry::destroy(const string& name){
Mutex::ScopedLock locker(lock);
exchanges.erase(name);
}
Exchange::shared_ptr ExchangeRegistry::get(const string& name){
Mutex::ScopedLock locker(lock);
return exchanges[name];
}
namespace
{
const std::string empty;
}
Exchange::shared_ptr ExchangeRegistry::getDefault()
{
return get(empty);
}
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