DF_K.java

package com.cheng.zenofdesignpatterns.perfectworld.command_chain.command_name.df;

import com.cheng.zenofdesignpatterns.perfectworld.command_chain.CommandVO;
import com.cheng.zenofdesignpatterns.perfectworld.command_chain.command_name.os.DiskManager;

/**
 *
 */
public class DF_K extends AbstractDF {

    // 定义一下自己能处理什么参数
    protected String getOperateParam() {
        return super.K_PARAM;
    }

    // 命令处理
    protected String echo(CommandVO vo) {
        return DiskManager.df_k();
    }

}