/*
* Copyright 2008-2010 the original author or authors.
*
* 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 org.jdal.cmd;
import java.io.Serializable;
/**
* Commmand interface for Command Design Pattern
*
* @author Jose Luis Martin
* @since 1.0)
*/
public interface Command extends Serializable {
/**
* The Command Action
* @param data generic command data
* @return true if command sucess
* @throws CommandException
*/
boolean execute(Object data);
/**
* Notify Command object that some fault ocurred on a command list
* @param data generic command data
*/
void onFault(Object data);
/**
* Try to undo the command
* @return false if fails.
*/
boolean undo();
/**
* @return the command name
*/
String getName();
}