trigger.hxx

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00001 /*-------------------------------------------------------------------------
00002  *
00003  *   FILE
00004  *      pqxx/trigger.hxx
00005  *
00006  *   DESCRIPTION
00007  *      definition of the pqxx::trigger functor interface.
00008  *   pqxx::trigger describes a database trigger to wait on, and what it does
00009  *   DO NOT INCLUDE THIS FILE DIRECTLY; include pqxx/trigger 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/connection_base"
00023 
00024 
00025 /* Methods tested in eg. self-test program test001 are marked with "//[t1]"
00026  */
00027 
00028 namespace pqxx
00029 {
00031 
00056 class PQXX_LIBEXPORT trigger : public PGSTD::unary_function<int, void>
00057 {
00058 public:
00060 
00064   trigger(connection_base &C, const PGSTD::string &N) :                 //[t4]
00065     m_Conn(C), m_Name(N) { m_Conn.AddTrigger(this); }
00066 
00067   virtual ~trigger() throw ()                                           //[t4]
00068   {
00069 #ifdef PQXX_QUIET_DESTRUCTORS
00070     internal::disable_noticer Quiet(Conn());
00071 #endif
00072     m_Conn.RemoveTrigger(this);
00073   }
00074 
00075   const PGSTD::string &name() const { return m_Name; }                  //[t4]
00076 
00078 
00083   virtual void operator()(int be_pid) =0;                               //[t4]
00084 
00085 
00086 protected:
00087   connection_base &Conn() const throw () { return m_Conn; }             //[t23]
00088 
00089 private:
00091   trigger(const trigger &);
00093   trigger &operator=(const trigger &);
00094 
00095   connection_base &m_Conn;
00096   PGSTD::string m_Name;
00097 };
00098 
00099 }
00100 
00101 
00102 #include "pqxx/compiler-internal-post.hxx"

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