trigger.hxx

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/*-------------------------------------------------------------------------
 *
 *   FILE
 *      pqxx/trigger.hxx
 *
 *   DESCRIPTION
 *      definition of the pqxx::trigger functor interface.
 *   pqxx::trigger describes a database trigger to wait on, and what it does
 *   DO NOT INCLUDE THIS FILE DIRECTLY; include pqxx/trigger instead.
 *
 * Copyright (c) 2001-2004, Jeroen T. Vermeulen <jtv@xs4all.nl>
 *
 * See COPYING for copyright license.  If you did not receive a file called
 * COPYING with this source code, please notify the distributor of this mistake,
 * or contact the author.
 *
 *-------------------------------------------------------------------------
 */
#include "pqxx/connection_base"


/* Methods tested in eg. self-test program test001 are marked with "//[t1]"
 */

namespace pqxx
{

class PQXX_LIBEXPORT trigger : public PGSTD::unary_function<int, void>
{
public:

  trigger(connection_base &C, const PGSTD::string &N) :                 //[t4]
    m_Conn(C), m_Name(N) { m_Conn.AddTrigger(this); }

  virtual ~trigger() throw () { m_Conn.RemoveTrigger(this); }           //[t4]

  const PGSTD::string &name() const { return m_Name; }                  //[t4]


  virtual void operator()(int be_pid) =0;                               //[t4]


#ifdef PQXX_DEPRECATED_HEADERS

  PGSTD::string Name() const { return name(); }
#endif

protected:
  connection_base &Conn() const throw () { return m_Conn; }             //[t23]

private:
  connection_base &m_Conn;
  PGSTD::string m_Name;
};

}

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