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;
  
  import java.util.List;
  
  import com.aliyun.fastmodel.core.tree.AliasedName;
  import com.aliyun.fastmodel.core.tree.AstVisitor;
  import com.aliyun.fastmodel.core.tree.Comment;
  import com.aliyun.fastmodel.core.tree.Property;
  import com.aliyun.fastmodel.core.tree.statement.element.CreateElement;
  import lombok.Getter;
  
  /**
   * 表示创建的语句内容
   *
   * @author panguanjing
   * @date 2020/9/2
   */
  @Getter
  public abstract class BaseCreate extends BaseOperatorStatement {
  
      protected CreateElement createElement;
  
      public BaseCreate(CreateElement createElement) {
          super(createElement.getQualifiedName());
          this.createElement = createElement;
      }
  
      public String getCommentValue() {
          Comment comment = createElement.getComment();
          return comment != null ? comment.getComment() : null;
      }
  
      public String getAliasedNameValue() {
          if (getAliasedName() != null) {
              return getAliasedName().getName();
          }
          return null;
      }
  
      public boolean isPropertyEmpty() {
          List<Property> properties = createElement.getProperties();
          return properties == null || properties.isEmpty();
      }
  
      public Comment getComment() {return getCreateElement().getComment();}
  
      public List<Property> getProperties() {return getCreateElement().getProperties();}
  
      public boolean isNotExists() {return getCreateElement().isNotExists();}
  
      public AliasedName getAliasedName() {return getCreateElement().getAliasedName();}
  
      @Override
      public <R, C> R accept(AstVisitor<R, C> visitor, C context) {
          return visitor.visitBaseCreate(this, context);
      }
  }
  