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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) 2001-2003, 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 <string>
00020 
00021 /* Methods tested in eg. self-test program test1 are marked with "//[t1]"
00022  */
00023 
00024 namespace pqxx
00025 {
00026 
00028 
00046 class PQXX_LIBEXPORT trigger : public PGSTD::unary_function<int, void>
00047 {
00048   // TODO: Rename to trigger
00049 public:
00051 
00055   trigger(connection_base &C, const PGSTD::string &N) :                 //[t4]
00056     m_Conn(C), m_Name(N) { m_Conn.AddTrigger(this); }
00057 
00058   virtual ~trigger() { m_Conn.RemoveTrigger(this); }                    //[t4]
00059 
00060   PGSTD::string name() const { return m_Name; }                         //[t4]
00061 
00063 
00068   virtual void operator()(int be_pid) =0;                               //[t4]
00069 
00070 
00071 #ifdef PQXX_DEPRECATED_HEADERS
00072 
00073   PGSTD::string Name() const { return name(); }
00074 #endif
00075 
00076 protected:
00077   connection_base &Conn() const throw () { return m_Conn; }             //[t23]
00078 
00079 private:
00080   connection_base &m_Conn;
00081   PGSTD::string m_Name;
00082 };
00083 
00084 }
00085 
00086 

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