content: /*
   * Copyright 2021-2022 Alibaba Group Holding Ltd.
   *
   *    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.aliyun.fastmodel.core.tree.statement.indicator;
  
  import com.aliyun.fastmodel.core.tree.AstVisitor;
  import com.aliyun.fastmodel.core.tree.QualifiedName;
  import com.aliyun.fastmodel.core.tree.datatype.BaseDataType;
  import com.aliyun.fastmodel.core.tree.expr.BaseExpression;
  import com.aliyun.fastmodel.core.tree.statement.constants.IndicatorType;
  import com.aliyun.fastmodel.core.tree.statement.element.CreateElement;
  import com.google.common.base.Preconditions;
  import lombok.Getter;
  
  /**
   * 创建原子指标
   * <p>
   * DSL举例:
   * <pre>
   *         create indicator idc_code bigint comment 'idc'
   *          with idcproperties('type'='atomic') as sum(#abc.price#)
   *     </pre>
   *
   * @author panguanjing
   * @date 2020/9/10
   */
  @Getter
  public class CreateAtomicIndicator extends CreateIndicator {
  
      private final QualifiedName references;
  
      public CreateAtomicIndicator(CreateElement element,
                                   BaseDataType dataType,
                                   BaseExpression indicatorExpr, QualifiedName references) {
          super(element, dataType, indicatorExpr, IndicatorType.ATOMIC);
          Preconditions.checkNotNull(dataType, "atomic indicator dataType must be set!");
          this.references = references;
      }
  
      @Override
      public <R, C> R accept(AstVisitor<R, C> visitor, C context) {
          return visitor.visitCreateAtomicIndicator(this, context);
      }
  }
  