69 lines
1.3 KiB
Plaintext
69 lines
1.3 KiB
Plaintext
note
|
|
description: "Null object to meet Void Safe."
|
|
date: "$Date: 2014-08-20 15:21:15 -0300 (mi., 20 ago. 2014) $"
|
|
revision: "$Revision: 95678 $"
|
|
|
|
class
|
|
DATABASE_CONNECTION_NULL
|
|
|
|
inherit
|
|
|
|
DATABASE_CONNECTION
|
|
redefine
|
|
db_application,
|
|
is_connected
|
|
end
|
|
|
|
create
|
|
login, login_with_default, login_with_database_name
|
|
|
|
feature -- Initialization
|
|
|
|
login_with_default
|
|
-- Create a database handler for ODBC with common settings.
|
|
do
|
|
create database_error_handler.make
|
|
create db_application.login (username, password)
|
|
db_application.set_hostname (hostname)
|
|
db_application.set_data_source (database_name)
|
|
db_application.set_base
|
|
create db_control.make
|
|
end
|
|
|
|
login (a_username: STRING; a_password: STRING; a_hostname: STRING; a_database_name: STRING; connection: BOOLEAN)
|
|
|
|
-- Create a database handler for ODBC.
|
|
do
|
|
login_with_default
|
|
end
|
|
|
|
login_with_database_name (a_database_name: STRING)
|
|
|
|
-- Create a database handler for ODBC.
|
|
do
|
|
login_with_default
|
|
end
|
|
|
|
|
|
login_with_connection_string (a_string: STRING)
|
|
-- Login with `a_connection_string'
|
|
-- and immediately connect to database.
|
|
do
|
|
login_with_default
|
|
end
|
|
|
|
|
|
feature -- Databse Connection
|
|
|
|
db_application: DATABASE_APPL[DATABASE_NULL]
|
|
-- Database application.
|
|
|
|
|
|
is_connected: BOOLEAN
|
|
-- True if connected to the database.
|
|
do
|
|
Result := True
|
|
end
|
|
|
|
end
|