ujes/entrance/src/main/scala/com/webank/wedatasphere/linkis/entrance/interceptor/EntranceInterceptor.scala

/*
 * Copyright 2019 WeBank
 *
 * 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 com.webank.wedatasphere.linkis.entrance.interceptor

import com.webank.wedatasphere.linkis.common.exception.ErrorException
import com.webank.wedatasphere.linkis.protocol.task.Task

/**
  * Created by enjoyyin on 2018/9/4.
  */
trait EntranceInterceptor {

  /**
    * The apply function is to supplement the information of the incoming parameter task, making the content of this task more complete.
  * Additional information includes: database information supplement, custom variable substitution, code check, limit limit, etc.
    * apply函数是对传入参数task进行信息的补充，使得这个task的内容更加完整。
    * 补充的信息包括: 数据库信息补充、自定义变量替换、代码检查、limit限制等
    * @param task
    * @param logAppender Used to cache the necessary reminder logs and pass them to the upper layer(用于缓存必要的提醒日志，传给上层)
    * @return
    */
  @throws[ErrorException]
  def apply(task: Task, logAppender: java.lang.StringBuilder): Task

}