desktop/source/deployment/inc/dp_persmap.h

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  30
  31 #if ! defined INCLUDED_DP_PERSMAP_H
  32 #define INCLUDED_DP_PERSMAP_H
  33
  34 #include "rtl/ustring.hxx"
  35 #include "db.hxx"
  36 #include <hash_map>
  37
  38 using namespace berkeleydbproxy;
  39
  40 namespace dp_misc
  41 {
  42
  43 typedef ::std::hash_map<
  44     ::rtl::OString, ::rtl::OString, ::rtl::OStringHash > t_string2string_map;
  45
  46 //==============================================================================
  47 class PersistentMap
  48 {
  49     ::rtl::OUString m_sysPath;
  50     mutable Db m_db;
  51     void throw_rtexc( int err, char const * msg = 0 ) const;
  52
  53 public:
  54     ~PersistentMap();
  55     PersistentMap( ::rtl::OUString const & url, bool readOnly );
  56     /** in mem db */
  57     PersistentMap();
  58
  59     void flush() const;
  60
  61     bool has( ::rtl::OString const & key ) const;
  62     bool get( ::rtl::OString * value, ::rtl::OString const & key ) const;
  63     t_string2string_map getEntries() const;
  64     void put( ::rtl::OString const & key, ::rtl::OString const & value );
  65     bool erase( ::rtl::OString const & key, bool flush_immediately = true );
  66 };
  67
  68 }
  69
  70 #endif