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21 
22 #if ! defined INCLUDED_DP_PERSMAP_H
23 #define INCLUDED_DP_PERSMAP_H
24 
25 #include "rtl/ustring.hxx"
26 #include "osl/file.hxx"
27 #include <hash_map>
28 
29 namespace dp_misc
30 {
31 
32 typedef ::std::hash_map<
33     ::rtl::OString, ::rtl::OString, ::rtl::OStringHash > t_string2string_map;
34 
35 //==============================================================================
36 class PersistentMap
37 {
38 	::osl::File m_MapFile;
39 	t_string2string_map m_entries;
40 	bool m_bReadOnly;
41 	bool m_bIsOpen;
42 	bool m_bToBeCreated;
43 	bool m_bIsDirty;
44 
45 public:
46     ~PersistentMap();
47     PersistentMap( ::rtl::OUString const & url, bool readOnly );
48     /** in mem db */
49     PersistentMap();
50 
51     bool has( ::rtl::OString const & key ) const;
52     bool get( ::rtl::OString * value, ::rtl::OString const & key ) const;
53     t_string2string_map getEntries() const;
54     void put( ::rtl::OString const & key, ::rtl::OString const & value );
55     bool erase( ::rtl::OString const & key, bool flush_immediately = true );
56 
57 protected:
58 	bool open( void);
59 	bool readAll( void);
60 	void flush( void);
61 };
62 
63 }
64 
65 #endif
66 
67