tablestream.hxx

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00001 /*-------------------------------------------------------------------------
00002  *
00003  *   FILE
00004  *      pqxx/tablestream.hxx
00005  *
00006  *   DESCRIPTION
00007  *      definition of the pqxx::tablestream class.
00008  *   pqxx::tablestream provides optimized batch access to a database table
00009  *   DO NOT INCLUDE THIS FILE DIRECTLY; include pqxx/tablestream instead.
00010  *
00011  * Copyright (c) 2001-2006, Jeroen T. Vermeulen <jtv@xs4all.nl>
00012  *
00013  * See COPYING for copyright license.  If you did not receive a file called
00014  * COPYING with this source code, please notify the distributor of this mistake,
00015  * or contact the author.
00016  *
00017  *-------------------------------------------------------------------------
00018  */
00019 #include "pqxx/compiler-public.hxx"
00020 #include "pqxx/compiler-internal-pre.hxx"
00021 
00022 #include "pqxx/transaction_base"
00023 
00024 /* Methods tested in eg. self-test program test001 are marked with "//[t1]"
00025  */
00026 
00027 
00028 namespace pqxx
00029 {
00030 class transaction_base;
00031 
00032 
00034 
00043 class PQXX_LIBEXPORT tablestream : public internal::transactionfocus
00044 {
00045 public:
00046   explicit tablestream(transaction_base &Trans,
00047               const PGSTD::string &Null=PGSTD::string());               //[t6]
00048 
00049   virtual ~tablestream() throw () =0;                                   //[t6]
00050 
00052 
00059   virtual void complete() =0;
00060 
00061 #ifdef PQXX_DEPRECATED_HEADERS
00063   PGSTD::string Name() const PQXX_DEPRECATED { return name(); }
00064 #endif
00065 
00066 protected:
00067   const PGSTD::string &NullStr() const { return m_Null; }
00068   bool is_finished() const throw () { return m_Finished; }
00069   void base_close();
00070 
00072   template<typename ITER>
00073   static PGSTD::string columnlist(ITER colbegin, ITER colend);
00074 
00075 private:
00076   PGSTD::string m_Null;
00077   bool m_Finished;
00078 
00079   // Not allowed:
00080   tablestream();
00081   tablestream(const tablestream &);
00082   tablestream &operator=(const tablestream &);
00083 };
00084 
00085 
00086 template<typename ITER> inline
00087 PGSTD::string tablestream::columnlist(ITER colbegin, ITER colend)
00088 {
00089   return separated_list(",", colbegin, colend);
00090 }
00091 } // namespace pqxx
00092 
00093 #include "pqxx/compiler-internal-post.hxx"

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