pqxx::notification_receiver Class Reference

#include <notification.hxx>

Public Member Functions
	notification_receiver (connection_base &c, const std::string &channel)
	Register the receiver with a connection. More...
	notification_receiver (const notification_receiver &)=delete
notification_receiver &	operator= (const notification_receiver &)=delete
virtual	~notification_receiver ()
const std::string &	channel () const
	The channel that this receiver listens on. More...
virtual void	operator() (const std::string &payload, int backend_pid)=0
	Overridable: action to invoke when notification arrives. More...

Protected Member Functions
connection_base &	conn () const noexcept

Constructor & Destructor Documentation

notification_receiver() [1/2]

pqxx::notification_receiver::notification_receiver	(	connection_base &	c,
		const std::string &	channel
	)

Register the receiver with a connection.

Parameters

c	Connnection to operate on.
channel	Name of the notification to listen for.

notification_receiver() [2/2]

pqxx::notification_receiver::notification_receiver ( const notification_receiver &  )

delete

~notification_receiver()

pqxx::notification_receiver::~notification_receiver ( )

virtual

References conn().

Member Function Documentation

channel()

const std::string& pqxx::notification_receiver::channel

(

)

const

The channel that this receiver listens on.

Referenced by pqxx::connection_base::trace().

conn()

connection_base& pqxx::notification_receiver::conn ( ) const

protectednoexcept

Referenced by ~notification_receiver().

operator()()

virtual void pqxx::notification_receiver::operator() ( const std::string &  payload, int  backend_pid  )

pure virtual

Overridable: action to invoke when notification arrives.

Parameters

payload	On PostgreSQL 9.0 or later, an optional string that may have been passed to the NOTIFY command.
backend_pid	Process ID of the database backend process that served our connection when the notification arrived. The actual process ID behind the connection may have changed by the time this method is called.

operator=()

notification_receiver& pqxx::notification_receiver::operator= ( const notification_receiver &  )

delete

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

• notification.hxx
• notification.cxx