FragmentLibrary.hpp

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/* 
 * FragmentLibrary.hpp 
 *
 * This file is part of the Chemical Data Processing Toolkit
 *
 * Copyright (C) 2003 Thomas Seidel <thomas.seidel@univie.ac.at>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; see the file COPYING. If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
 
#ifndef CDPL_CONFGEN_FRAGMENTLIBRARY_HPP
#define CDPL_CONFGEN_FRAGMENTLIBRARY_HPP
 
#include <iosfwd>
#include <cstddef>
#include <unordered_map>
#include <mutex>
#include <memory>
 
#include "CDPL/ConfGen/APIPrefix.hpp"
#include "CDPL/ConfGen/FragmentLibraryEntry.hpp"
 
 
namespace CDPL
{
 
    namespace ConfGen
    {
 
        class CDPL_CONFGEN_API FragmentLibrary
        {
 
            typedef std::unordered_map<std::uint64_t, FragmentLibraryEntry::SharedPointer> HashToEntryMap;
 
          public:
            typedef std::shared_ptr<FragmentLibrary> SharedPointer;
 
            typedef HashToEntryMap::value_type     Entry;
 
            typedef HashToEntryMap::const_iterator ConstEntryIterator;
 
            typedef HashToEntryMap::iterator       EntryIterator;
 
            FragmentLibrary();
 
            FragmentLibrary(const FragmentLibrary& lib);
 
            ~FragmentLibrary();
 
            FragmentLibrary& operator=(const FragmentLibrary& lib);
 
            void addEntries(const FragmentLibrary& lib);
 
            bool addEntry(const FragmentLibraryEntry::SharedPointer& entry);
 
            const FragmentLibraryEntry::SharedPointer& getEntry(std::uint64_t hash_code) const;
 
            bool containsEntry(std::uint64_t hash_code) const;
 
            std::size_t getNumEntries() const;
 
            void clear();
 
            bool removeEntry(std::uint64_t hash_code);
 
            EntryIterator removeEntry(const EntryIterator& it);
 
            ConstEntryIterator getEntriesBegin() const;
 
            ConstEntryIterator getEntriesEnd() const;
 
            EntryIterator getEntriesBegin();
 
            EntryIterator getEntriesEnd();
 
            ConstEntryIterator begin() const;
 
            ConstEntryIterator end() const;
 
            EntryIterator begin();
 
            EntryIterator end();
 
            void load(std::istream& is);
 
            void save(std::ostream& os) const;
 
            void loadDefaults();
 
            std::mutex& getMutex();
 
            static void set(const SharedPointer& lib);
 
            static const SharedPointer& get();
 
          private:
            static SharedPointer   defaultLib;
            mutable HashToEntryMap hashToEntryMap;
            mutable std::mutex     mutex;
        };
    } // namespace ConfGen
} // namespace CDPL
 
#endif // CDPL_CONFGEN_FRAGMENTLIBRARY_HPP