/*
 * 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 "ConnectionState.h"

#include <decaf/lang/exceptions/IllegalStateException.h>

#include <activemq/commands/SessionId.h>
#include <activemq/commands/SessionInfo.h>

using namespace activemq;
using namespace activemq::state;
using namespace activemq::commands;

////////////////////////////////////////////////////////////////////////////////
ConnectionState::ConnectionState(Pointer<ConnectionInfo> info) :
    info(info), transactions(), sessions(), tempDestinations(), disposed(false),
    connectionInterruptProcessingComplete(true), recoveringPullConsumers() {

    Pointer<SessionId> sessionId(new SessionId(info->getConnectionId().get(), -1));
    Pointer<SessionInfo> session(new SessionInfo());
    session->setSessionId(sessionId);

    // Add the default session id.
    addSession(session);
}

////////////////////////////////////////////////////////////////////////////////
ConnectionState::~ConnectionState() {
    transactions.clear();
    sessions.clear();
    tempDestinations.clear();
}

////////////////////////////////////////////////////////////////////////////////
std::string ConnectionState::toString() const {

    if (this->info.get() != NULL) {
        return this->info->toString();
    }

    return "NULL";
}

////////////////////////////////////////////////////////////////////////////////
void ConnectionState::reset(Pointer<ConnectionInfo> info) {
    this->info = info;
    transactions.clear();
    sessions.clear();
    tempDestinations.clear();
    disposed.set(false);
}

////////////////////////////////////////////////////////////////////////////////
void ConnectionState::shutdown() {

    if (this->disposed.compareAndSet(false, true)) {
        Pointer< Iterator< Pointer<SessionState> > > iterator(this->sessions.values().iterator());
        while (iterator->hasNext()) {
            iterator->next()->shutdown();
        }
    }
}

////////////////////////////////////////////////////////////////////////////////
void ConnectionState::checkShutdown() const {
    if (this->disposed.get()) {
        throw decaf::lang::exceptions::IllegalStateException(
            __FILE__, __LINE__, "Connection already Disposed");
    }
}

////////////////////////////////////////////////////////////////////////////////
void ConnectionState::removeTempDestination(Pointer<ActiveMQDestination> destination) {

    std::auto_ptr<decaf::util::Iterator<Pointer<DestinationInfo> > > iter(tempDestinations.iterator());

    while (iter->hasNext()) {
        Pointer<DestinationInfo> di = iter->next();
        if (di->getDestination()->equals(destination.get())) {
            iter->remove();
        }
    }
}