PlaceConvert Class Reference

Convert SQL into a Place object. More...

#include <places.h>

Inheritance diagram for PlaceConvert:

List of all members.

Public Types
typedef pqxxobject::rowconvert< Place >	row_base
	Underlying row conversion type.
Public Member Functions
	PlaceConvert (pqxx::connection &connection, pqxx::transaction<> *&transaction)
	The constructor.
Place *	operator() (pqxx::result::const_iterator row)
	Convert a row of an SQL result set into a Place object.
void	operator() (Place &place, row_base::operation_type operation)
	Convert a Place object into an SQL query.

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Detailed Description

Convert SQL into a Place object.

This class is a function object (functor) for use either as a standalone object or as a class template parameter.

Definition at line 102 of file places.h.

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Member Typedef Documentation

typedef pqxxobject::rowconvert<Place> PlaceConvert::row_base

Underlying row conversion type. Definition at line 106 of file places.h. Referenced by PlaceConvert().

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Constructor & Destructor Documentation

PlaceConvert::PlaceConvert (  pqxx::connection &  connection, pqxx::transaction<> *&  transaction )

The constructor. Parameters: connection  a reference to a PostgreSQL database connection object. transaction  a pointer to a PostgreSQL transaction object. This must have been previously created from connection. If set to NULL, PlaceConvert will run in auto-commit mode, and will create a new transaction for each database operation. Definition at line 83 of file places.cc. References row_base.

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Member Function Documentation

void PlaceConvert::operator() (  Place &  place, row_base::operation_type  operation )

Convert a Place object into an SQL query. This allows insertion, updating and deletion of rows. Parameters: place  the Place to operate on. operation  the database operation to perform. Definition at line 100 of file places.cc. References Place::get_gridref(), Place::get_id(), Place::get_name(), pqxxobject::rowconvert< Place >::OPERATION_DELETE, pqxxobject::rowconvert< Place >::OPERATION_INSERT, pqxxobject::rowconvert< Place >::OPERATION_UPDATE, and pqxxobject::transaction::perform().

Place * PlaceConvert::operator() (  pqxx::result::const_iterator  row  )  [virtual]

Convert a row of an SQL result set into a Place object. Parameters: row  an interator pointing to a row of an SQL result set. Returns: a pointer to a Place. The object is allocated with new, and so it must be deleted when no longer required. Implements pqxxobject::rowconvert< Place >. Definition at line 90 of file places.cc. References Place::m_gridref, Place::m_id, and Place::m_name.

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The documentation for this class was generated from the following files:

• /home/roger/projects/libpqxx-object-0.1.1/tutorial/places.h
• /home/roger/projects/libpqxx-object-0.1.1/tutorial/places.cc

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