#ifndef QPID_CLUSTER_EXPIRYPOLICY_H
#define QPID_CLUSTER_EXPIRYPOLICY_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 "types.h"
#include "qpid/broker/ExpiryPolicy.h"
#include "qpid/sys/Mutex.h"
#include <boost/function.hpp>
#include <boost/intrusive_ptr.hpp>
#include <set>

namespace qpid {

namespace broker { class Timer; }

namespace cluster {
class Multicaster;

/**
 * Cluster expiry policy
 */
class ExpiryPolicy : public broker::ExpiryPolicy
{
  public:
    ExpiryPolicy(const boost::function<bool()> & isLeader, Multicaster&, const MemberId&, broker::Timer&);

    void willExpire(broker::Message&);

    bool hasExpired(broker::Message&);

    // Send expiration notice to cluster.
    void sendExpire(uint64_t);

    // Cluster delivers expiry notice.
    void deliverExpire(uint64_t);

  private:
    sys::Mutex lock;
    typedef std::set<uint64_t> IdSet;

    struct Expired : public broker::ExpiryPolicy {
        bool hasExpired(broker::Message&);
        void willExpire(broker::Message&);
    };

    IdSet expired;
    boost::intrusive_ptr<Expired> expiredPolicy;
    boost::function<bool()> isLeader;
    Multicaster& mcast;
    MemberId memberId;
    broker::Timer& timer;
};

}} // namespace qpid::cluster

#endif  /*!QPID_CLUSTER_EXPIRYPOLICY_H*/