/framework/core/db/DbModule.php

 1<?php
 2class DbModule extends ZoopModule
 3{
 4	private static $connections = array();
 5	
 6	/**
 7	 * Returns a DbConnection object to the database called "$name"
 8	 *
 9	 * @param string $name
10	 * @return DbConnection
11	 */
12	static function getConnection($name)
13	{
14		if(!isset(self::$connections[$name]))
15			trigger_error("connection '$name' does not exist");
16		return self::$connections[$name];
17	}
18	
19	/**
20	 * Returns a DbConnection object for the default database connection
21	 *
22	 * @return DbConnection
23	 */
24	static function getDefaultConnection()
25	{
26		return self::getConnection('default');
27	}
28	
29	/**
30	 * This method is overridden to tell zoop which files to include with this module
31	 *
32	 * @return array of filenames to include
33	 */
34	function getIncludes()
35	{
36		return array('functions.php');
37	}
38	
39	/**
40	 * This method is overridden to tell zoop which classes exist as part of this module
41	 * so that they can be added to the autoloader
42	 *
43	 * @return unknown
44	 */
45	function getClasses()
46	{
47		return array('DbConnection', 'DbFactory', 'DbSchema', 'DbObject', 'DbZone', 'DbTable', 'DbField',
48						'DbPdo', 'DbPdoResult', 'DbPgsql', 'DbPgResult', 'DbMysql', 'DbMysqlResult',
49						'DbMssql', 'DbMssqlResult', 'DbResultSet', 'DbRelationshipBelongsTo', 'DbRelationshipBasic'
50						, 'DbRelationship', 'DbRelationshipHasMany', 'DbRelationshipHasOne', 'DbRelationshipOptions');
51	}
52	
53	/**
54	 * This method reads the configuration options (using the getConfig method)
55	 * and initializes the database connections.
56	 *
57	 */
58	function configure()
59	{
60		$connections = $this->getConfig();
61		if($connections)
62		{
63			foreach($connections as $name => $params)
64			{
65				self::$connections[$name] = DbFactory::getConnection($params, $name);
66			}
67		}
68	}	
69}