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21 
22 
23 
24 #if ! defined INCLUDED_DP_PERSMAP_H
25 #define INCLUDED_DP_PERSMAP_H
26 
27 #include "rtl/ustring.hxx"
28 #include "osl/file.hxx"
29 #include <hash_map>
30 
31 namespace dp_misc
32 {
33 
34 typedef ::std::hash_map<
35     ::rtl::OString, ::rtl::OString, ::rtl::OStringHash > t_string2string_map;
36 
37 //==============================================================================
38 class PersistentMap
39 {
40 	::osl::File m_MapFile;
41 	t_string2string_map m_entries;
42 	bool m_bReadOnly;
43 	bool m_bIsOpen;
44 	bool m_bToBeCreated;
45 	bool m_bIsDirty;
46 
47 public:
48     ~PersistentMap();
49     PersistentMap( ::rtl::OUString const & url, bool readOnly );
50     /** in mem db */
51     PersistentMap();
52 
53     bool has( ::rtl::OString const & key ) const;
54     bool get( ::rtl::OString * value, ::rtl::OString const & key ) const;
55     t_string2string_map getEntries() const;
56     void put( ::rtl::OString const & key, ::rtl::OString const & value );
57     bool erase( ::rtl::OString const & key, bool flush_immediately = true );
58 
59 private:
60 	bool open( void);
61 	void flush( void);
62 };
63 
64 }
65 
66 #endif
67 
68