oracle.jbo.server
Interface ADFDatabaseChangeListener

All Known Implementing Classes:

OracleDatabaseChangeListenerWrapper

public interface ADFDatabaseChangeListener

This class provides an interface to encapsulate Database change listener functionality. A Query Collection creates an instance of this listener before executeQuery and responds to events generated by the database. Currently this functionality is available for view objects that are marked as auto refresh and the database platform is Oracle.

Method Summary

void	notify(java.util.EventObject evt) Notify the query collection about a database event.
void	register(QueryCollection qc, java.sql.Connection conn, java.sql.Statement stmt) The method invoked by the Query Collection to register for database change events.
void	unregister() The listener must un-register itself from the database.

Method Detail

register

void register(QueryCollection qc,
              java.sql.Connection conn,
              java.sql.Statement stmt)

The method invoked by the Query Collection to register for database change events.

Parameters:

qc - The Query Collection registering for events

conn - The database connection handle

stmt - The statement handle that contains the SQL statement string and bind params to identify the result set.

unregister

void unregister()

The listener must un-register itself from the database.

notify

void notify(java.util.EventObject evt)

Notify the query collection about a database event.

Parameters:

evt - The details about the event that was generated by the database