KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > jimm > datavision > gui > cmd > Command


1 package jimm.datavision.gui.cmd;
2 import jimm.datavision.Nameable;
3
4 /**
5  * A Command knows how to perform an action, undo it, and redo it. It has
6  * a name that can be used for menu items.
7  * <p>
8  * The concrete implementor <code>CommandAdapter</code> treats the name
9  * as immutable; the <code>setName</code> method does nothing.
10  *
11  * @author Jim Menard, <a HREF="mailto:jimm@io.com">jimm@io.com</a>
12  */
13 public interface Command extends Nameable {
14
15 abstract public void perform();
16 abstract public void undo();
17 abstract public void redo();
18
19 }
20
Popular Tags