src/qpid/client/LocalQueueImpl.cpp

/*
 *
 * 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/client/LocalQueueImpl.h"
#include "qpid/client/MessageImpl.h"
#include "qpid/Exception.h"
#include "qpid/framing/FrameSet.h"
#include "qpid/framing/MessageTransferBody.h"
#include "qpid/framing/reply_exceptions.h"
#include "qpid/client/PrivateImplRef.h"
#include "qpid/client/SubscriptionImpl.h"
#include "qpid/client/CompletionImpl.h"

namespace qpid {
namespace client {

using namespace framing;

Message LocalQueueImpl::pop(sys::Duration timeout) { return get(timeout); }

Message LocalQueueImpl::get(sys::Duration timeout) {
    Message result;
    bool ok = get(result, timeout);
    if (!ok) throw Exception("Timed out waiting for a message");
    return result;
}

bool LocalQueueImpl::get(Message& result, sys::Duration timeout) {
    if (!queue)
        throw ClosedException();
    FrameSet::shared_ptr content;
    bool ok = queue->pop(content, timeout);
    if (!ok) return false;
    if (content->isA<MessageTransferBody>()) {

        *MessageImpl::get(result) = MessageImpl(*content);
        boost::intrusive_ptr<SubscriptionImpl> si = PrivateImplRef<Subscription>::get(subscription);
        assert(si);
        if (si) si->received(result);
        return true;
    }
    else
        throw CommandInvalidException(
            QPID_MSG("Unexpected method: " << content->getMethod()));
}

bool LocalQueueImpl::empty() const
{ 
    if (!queue)
        throw ClosedException();
    return queue->empty(); 
}

size_t LocalQueueImpl::size() const
{ 
    if (!queue)
        throw ClosedException();
    return queue->size(); 
}

}} // namespace qpid::client