BundleList.h

Go to the documentation of this file.

/*
 * BundleList.h
 *
 * Copyright (C) 2011 IBR, TU Braunschweig
 *
 * Written-by: Johannes Morgenroth <morgenroth@ibr.cs.tu-bs.de>
 *
 * 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.
 *
 */

#ifndef BUNDLELIST_H_
#define BUNDLELIST_H_

#include <ibrdtn/data/Number.h>
#include <ibrdtn/data/MetaBundle.h>
#include <set>

namespace dtn
{
        namespace data
        {
                class BundleList
                {
                public:
                        class Listener {
                        public:
                                virtual ~Listener() = 0;
                                virtual void eventBundleExpired(const dtn::data::MetaBundle&) throw () = 0;
                        };

                        BundleList(BundleList::Listener *listener = NULL);
                        virtual ~BundleList();

                        virtual void add(const dtn::data::MetaBundle &bundle) throw ();
                        virtual void remove(const dtn::data::MetaBundle &bundle) throw ();
                        virtual void clear() throw ();

                        virtual void expire(const Timestamp &timestamp) throw ();

                        typedef std::set<dtn::data::MetaBundle> meta_set;
                        typedef meta_set::iterator iterator;
                        typedef meta_set::const_iterator const_iterator;

                        iterator begin() { return _meta_bundles.begin(); }
                        iterator end() { return _meta_bundles.end(); }

                        const_iterator begin() const { return _meta_bundles.begin(); }
                        const_iterator end() const { return _meta_bundles.end(); }

                        template<class T>
                        iterator find(const T &b) { return _meta_bundles.find(b); }

                        template<class T>
                        const_iterator find(const T &b) const { return _meta_bundles.find(b); }

                        bool empty() const { return _meta_bundles.empty(); }
                        Size size() const { return _meta_bundles.size(); }

                private:
                        class ExpiringBundle
                        {
                        public:
                                ExpiringBundle(const MetaBundle &b);
                                virtual ~ExpiringBundle();

                                bool operator!=(const ExpiringBundle& other) const;
                                bool operator==(const ExpiringBundle& other) const;
                                bool operator<(const ExpiringBundle& other) const;
                                bool operator>(const ExpiringBundle& other) const;

                                const MetaBundle &bundle;
                        };

                        std::set<ExpiringBundle> _bundles;
                        std::set<dtn::data::MetaBundle> _meta_bundles;

                        BundleList::Listener *_listener;
                };

        }
}

#endif /* BUNDLELIST_H_ */