libpqxx  4.0.1
pqxx::internal::notify_listener_forwarder Class Reference

Internal helper class to support old-style, payloadless notifications. More...

#include <notify-listen.hxx>

Inheritance diagram for pqxx::internal::notify_listener_forwarder:
pqxx::notification_receiver

Public Member Functions

 notify_listener_forwarder (connection_base &c, const std::string &channel_name, notify_listener *wrappee)
virtual void operator() (const std::string &, int backend_pid)
 Overridable: action to invoke when notification arrives.
- Public Member Functions inherited from pqxx::notification_receiver
 notification_receiver (connection_base &c, const std::string &channel)
 Register the receiver with a connection.
virtual ~notification_receiver ()
const std::string & channel () const
 The channel that this receiver listens on.

Additional Inherited Members

- Protected Member Functions inherited from pqxx::notification_receiver
connection_baseconn () const throw ()

Detailed Description

Internal helper class to support old-style, payloadless notifications.

Constructor & Destructor Documentation

pqxx::internal::notify_listener_forwarder::notify_listener_forwarder ( connection_base c,
const std::string &  channel_name,
notify_listener wrappee 
)

Member Function Documentation

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

Overridable: action to invoke when notification arrives.

Parameters
payloadOn PostgreSQL 9.0 or later, an optional string that may have been passed to the NOTIFY command.
backend_pidProcess 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.

Implements pqxx::notification_receiver.


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