taskcommand.java

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/**
 *   TaskCommand.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;

import jgantt.model.Task;

/**
 * TaskCommand implements a command that alters a task, with the help 
 * (optionally) of another reference task.
 * 
 * <p>$Date: 2005/07/14 06:16:04 $</p> 
 * @version $Revision: 1.1 $
 * @author Carlos Silva
 */
abstract public class TaskCommand implements Command {
	protected Task task; 
	protected Task refTask;
	
	/**
	 * Creates a command that involves a Task and a reference
	 * @param task Main task
	 * @param refTask Reference task
	 */
	public TaskCommand (Task task, Task refTask){
		this.task =task;
		this.refTask = refTask;
	}
	public TaskCommand (Task task){
		this(task,null);
	}
}