command.java

来自「Owing to the applet Gantt chart source y」· Java 代码 · 共 36 行

/**
 *   Command.java
 *   Copyright 2005 Carlos Silva A.
 * 
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License. 
 *   You may obtain a copy of the License at  
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 * 
 */
package jgantt.cmds;


/**
 * Command represents a command that can rolledback.
 * 
 * <p>$Date: 2005/07/14 06:16:04 $</p> 
 * @version $Revision: 1.5 $
 * @author Carlos Silva
 */
public interface Command {
	/**
	 * Executes the method
	 *
	 */
	abstract public void execute();
	abstract public void undo();
}