/*
 * Copyright 2011, Haiku, Inc.
 * Distributed under the terms of the MIT License.
 */
#ifndef _PACKAGE_PACKAGE_INFO_SET_H_
#define _PACKAGE_PACKAGE_INFO_SET_H_


#include <SupportDefs.h>


namespace BPackageKit {


class BPackageInfo;


class BPackageInfoSet {
public:
                        class Iterator;

public:
                                                                BPackageInfoSet();
                                                                BPackageInfoSet(const BPackageInfoSet& other);
        virtual                                         ~BPackageInfoSet();

                        status_t                        AddInfo(const BPackageInfo& info);
                        void                            MakeEmpty();

                        uint32                          CountInfos() const;
                        Iterator                        GetIterator() const;

                        BPackageInfoSet&        operator=(const BPackageInfoSet& other);

private:
                        bool                            _CopyOnWrite();

private:
                        struct PackageInfo;
                        struct PackageInfoHashDefinition;
                        struct PackageMap;

                        friend class Iterator;

private:
                        PackageMap*                     fPackageMap;
};


class BPackageInfoSet::Iterator {
public:
                                                                Iterator(const PackageMap* map = NULL);

                        bool                            HasNext() const;
                        const BPackageInfo*     Next();

private:
                        friend class BRepositoryCache;

private:
                        const PackageMap*       fMap;
                        PackageInfo*            fNextInfo;
};


}       // namespace BPackageKit


#endif // _PACKAGE_PACKAGE_INFO_SET_H_