connectionpolicy.hxx

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00001 /*-------------------------------------------------------------------------
00002  *
00003  *   FILE
00004  *      pqxx/connectionpolicy.hxx
00005  *
00006  *   DESCRIPTION
00007  *      definition of the connection policy classes
00008  *   Interface for defining connection policies
00009  *   DO NOT INCLUDE THIS FILE DIRECTLY; include pqxx/connection instead.
00010  *
00011  * Copyright (c) 2005-2006, 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 <string>
00023 
00024 #include "pqxx/libpq-forward.hxx"
00025 
00026 
00027 namespace pqxx
00028 {
00029 
00030 
00035 
00036 class PQXX_LIBEXPORT connectionpolicy
00037 {
00038 public:
00039   typedef internal::pq::PGconn *handle;
00040 
00041   explicit connectionpolicy(const PGSTD::string &opts);
00042   virtual ~connectionpolicy() throw ();
00043 
00044   const PGSTD::string &options() const throw () { return m_options; }
00045 
00046   virtual handle do_startconnect(handle orig);
00047   virtual handle do_completeconnect(handle orig);
00048   virtual handle do_dropconnect(handle orig) throw ();
00049   virtual handle do_disconnect(handle orig) throw ();
00050   virtual bool is_ready(handle) const throw ();
00051 
00052 protected:
00053   handle normalconnect(handle);
00054 
00055 private:
00056   PGSTD::string m_options;
00057 };
00058 
00060 } // namespace
00061 
00062 #include "pqxx/compiler-internal-post.hxx"

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