/*
 *
 * Copyright (c) 2006 The Apache Software Foundation
 *
 * Licensed 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 "FanOutExchange.h"
#include "ExchangeBinding.h"
#include <algorithm>

using namespace qpid::broker;
using namespace qpid::framing;
using namespace qpid::concurrent;

FanOutExchange::FanOutExchange(const std::string& name) : Exchange(name) {}

void FanOutExchange::bind(Queue::shared_ptr queue, const string& routingKey, FieldTable* args){
    Locker locker(lock);
    // Add if not already present.
    Queue::vector::iterator i = std::find(bindings.begin(), bindings.end(), queue);
    if (i == bindings.end()) {
        bindings.push_back(queue);
        queue->bound(new ExchangeBinding(this, queue, routingKey, args));
    }
}

void FanOutExchange::unbind(Queue::shared_ptr queue, const string& routingKey, FieldTable* args){
    Locker locker(lock);
    Queue::vector::iterator i = std::find(bindings.begin(), bindings.end(), queue);
    if (i != bindings.end()) {
        bindings.erase(i);
        // TODO aconway 2006-09-14: What about the ExchangeBinding object? Don't we have to verify routingKey/args match?
    }
}

void FanOutExchange::route(Message::shared_ptr& msg, const string& routingKey, FieldTable* args){
    Locker locker(lock);
    for(Queue::vector::iterator i = bindings.begin(); i != bindings.end(); ++i){
        (*i)->deliver(msg);
    }
}

FanOutExchange::~FanOutExchange() {}

const std::string FanOutExchange::typeName("fanout");