content: /*
   * Copyright (C) 2010-2101 Alibaba Group Holding Limited.
   *
   * 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.alibaba.otter.shared.common.model.config.enums;
  
  /**
   * S.E.T.L的阶段类型
   * 
   * @author jianghang 2011-9-8 下午12:40:29
   */
  public enum StageType {
  
      SELECT, EXTRACT, TRANSFORM, LOAD;
  
      public boolean isSelect() {
          return this.equals(StageType.SELECT);
      }
  
      public boolean isExtract() {
          return this.equals(StageType.EXTRACT);
      }
  
      /**
       * transform和load一定会同时出现
       */
      public boolean isTransform() {
          return this.equals(StageType.TRANSFORM);
      }
  
      /**
       * transform和load一定会同时出现
       */
      public boolean isLoad() {
          return this.equals(StageType.LOAD);
      }
  }
  