- Use self instead of class name - Add protected constructor to prevent direct initialization by means of new - Use protected static instance member instead of static function variable
- Use self instead of class name
- Add protected constructor to prevent direct initialization by means of new
- Use protected static instance member instead of static function variable

git-svn-id: 526f3b90ad6d9b1dfe840af828070ca3d99521ac@9002 d2cacbed-c0f6-0310-851a-9dad52fc623a

johannes85/core