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db_layer

base_object
|
+-- db_layer

This class is used to maintain the database-object.

private class db_layer extends base_object

This class is used to maintain the database-object.

Authors Martin Geisler <gimpster@gimpster.com>

Version db_layer.html,v 1.6 2001/06/27 11:35:43 gimpster Exp

Direct known subclasses: data_retrieval

Methods inherited from base_object

base_object, error, debug, print_properties

Public Method Summary
void	db_layer(array $input) Creates the database-object based on $input['db_type'].

Private Method Summary
void	set_db_type(string $type) Sets the database-type and creates the database-object.
string	get_db_type() Gets the database-type.

Fields inherited from base_object

$properties, $version

Public Field Summary
object db_type	$db Variable containing the database-object.

Public Method Details

db_layer

public void db_layer( array $input )

Creates the database-object based on $input['db_type'].

Parameter

array	$input
	properties for the object.

Returns

void

Private Method Details

set_db_type

private void set_db_type( string $type )

Sets the database-type and creates the database-object.
If the type isn't recognized, then 'null' will be used instead, as this database-type is always available.

Parameter

string	$type
	database-type, like 'null', 'mysql' and so on.

Returns

void

get_db_type

private string get_db_type( )

Gets the database-type.

Returns

string

the type of the database used, like 'none', 'mysql' and so on.

Public Field Details
$db
public object db_type $db >><< Variable containing the database-object. The database-object handles all communication with the database. It is created as an object of the appropriate type, like db_mysql, db_pgsql, etc.