libzypp: zypp/target/store/Backend.h Source File

00001 /*---------------------------------------------------------------------\
00002 |                          ____ _   __ __ ___                          |
00003 |                         |__  / \ / / . \ . \                         |
00004 |                           / / \ V /|  _/  _/                         |
00005 |                          / /__ | | | | | |                           |
00006 |                         /_____||_| |_| |_|                           |
00007 |                                                                      |
00008 \---------------------------------------------------------------------*/
00012 #ifndef ZYPP_STORAGE_BACKEND_H
00013 #define ZYPP_STORAGE_BACKEND_H
00014 
00015 #include <iosfwd>
00016 
00017 #include "zypp/base/PtrTypes.h"
00018 #include <zypp/Pathname.h>
00019 #include <zypp/Patch.h>
00020 
00021 #include <zypp/target/store/PersistentStorage.h>
00022 
00024 namespace zypp
00025 { 
00026 
00027 namespace storage
00028 { 
00029 
00031 //
00032 //      CLASS NAME : Backend
00033 //
00037 class Backend
00038 {
00039   friend std::ostream & operator<<( std::ostream & str, const Backend & obj );
00040 public:
00042   Backend(const Pathname &root);
00044   virtual ~Backend();
00045   virtual void doTest() = 0;
00046 
00050   virtual bool isBackendInitialized() const = 0;
00054   virtual void initBackend() = 0;
00055 
00059   virtual Date timestamp() const = 0;
00060   
00064   virtual void storeObject( ResObject::constPtr resolvable )  = 0;
00068   virtual void deleteObject( ResObject::constPtr resolvable ) = 0;
00069 
00073   virtual std::list<ResObject::Ptr> storedObjects() const = 0;
00077   virtual std::list<ResObject::Ptr> storedObjects(const Resolvable::Kind) const = 0;
00082   virtual std::list<ResObject::Ptr> storedObjects(const Resolvable::Kind, const std::string & name, bool partial_match = false) const = 0;
00083 
00085   // Resolvables Flags API
00087   public:
00088   virtual void setObjectFlag( ResObject::constPtr resolvable, const std::string &flag ) = 0;
00089   virtual void removeObjectFlag( ResObject::constPtr resolvable, const std::string &flag ) = 0;
00090   virtual std::set<std::string> objectFlags( ResObject::constPtr resolvable ) const = 0;
00091   virtual bool doesObjectHasFlag( ResObject::constPtr resolvable, const std::string &flag ) const = 0;
00092 
00094   // Named Flags API
00096   public:
00097   virtual void setFlag( const std::string &key, const std::string &flag ) = 0;
00098   virtual void removeFlag( const std::string &key, const std::string &flag ) = 0;
00099   virtual std::set<std::string> flags( const std::string &key ) const = 0;
00100   virtual bool hasFlag( const std::string &key, const std::string &flag ) const = 0;
00101 
00102 private:
00104   class Private;
00105   Private *d;
00106 };
00108 
00110 std::ostream & operator<<( std::ostream & str, const Backend & obj );
00111 
00113 } // namespace storage
00116 } // namespace zypp
00118 #endif // DEVEL_DEVEL_DMACVICAR_BACKEND_H