package com.funcs;

/**
 * Created by zhangweimin on 17/5/15.
 */
public interface OnlineAggregationOperation {
    /**
     * @param cols: the cols which be selected or count() or sum() and so on
     * @param specArgs:extend for special use
     * @return type of return value is Object
     * */
    Object exec(String query);
    /**
     * the class should save the exec result
     * and user can use showResult to show in
     * proper format
     * */
    void showResult();
}

@@ -13,16 +13,46 @@
 funcs;%0A%0A
+import java.io.Serializable;%0A%0A
 /**%0A * C
@@ -133,16 +133,37 @@
 eration 
+extends Serializable 
 %7B%0A    /*

add super serialization