Connector factory
$source_map= 'array()'
array()
getInstance( $source_name ) : void
load( string $class, $type ) : void
Split the class name by _ and go through the class name which represents the inheritance structure to load up all required parents.
the root class we want to load.
loadClass( string $class, $type ) : void
include a source class file.
a class file to include.