package singleton;
 
public class SomeFactory {
	static private SomeFactory _instance;
 
	protected SomeFactory() {
		// ....
	}
 
	public static SomeFactory instance() {
		if (_instance == null) {
			_instance = new SomeFactory();
		}
		return _instance;
	}
 
	// Factory methods, producing products...
	public Object getProduct1() {
		// .....
		return new Object();
	}
 
	public Object getProduct2() {
		// .....
		return new Object();
	}
 
	// .....
}