Global.GetInstance()

package
{
 
	public class Global
	{
 
		private static var m_instance:Global = null;
 
		public function Global( enforcer:SingletonEnforcer )
		{
			if (enforcer == null)
			{
				throw Error("Singleton Enforcer Not Valid. Multiple Instances Not Allowed.");
			}
		}
 
		public static function GetInstance():Global
		{
			if (m_instance == null)
			{
				m_instance = new Global( new SingletonEnforcer() );
			}
			return m_instance;
		}
 
	}
 
}
 
class SingletonEnforcer{}