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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) 2001-2004, 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/libcompiler.h"
00020 
00021 #include <string>
00022 
00023 #include "pqxx/connection_base"
00024 
00025 
00026 /* Methods tested in eg. self-test program test001 are marked with "//[t1]"
00027  */
00028 
00029 namespace pqxx
00030 {
00032 
00050 class PQXX_LIBEXPORT trigger : public PGSTD::unary_function<int, void>
00051 {
00052 public:
00054 
00058   trigger(connection_base &C, const PGSTD::string &N) :                 //[t4]
00059     m_Conn(C), m_Name(N) { m_Conn.AddTrigger(this); }
00060 
00061   virtual ~trigger() throw () { m_Conn.RemoveTrigger(this); }           //[t4]
00062 
00063   PGSTD::string name() const { return m_Name; }                         //[t4]
00064 
00066 
00071   virtual void operator()(int be_pid) =0;                               //[t4]
00072 
00073 
00074 #ifdef PQXX_DEPRECATED_HEADERS
00075 
00076   PGSTD::string Name() const { return name(); }
00077 #endif
00078 
00079 protected:
00080   connection_base &Conn() const throw () { return m_Conn; }             //[t23]
00081 
00082 private:
00083   connection_base &m_Conn;
00084   PGSTD::string m_Name;
00085 };
00086 
00087 }
00088 
00089 

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