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;
  
  import java.util.List;
  
  import com.google.common.collect.ImmutableList;
  import lombok.Getter;
  import org.apache.commons.lang3.StringUtils;
  
  /**
   * 备注描述信息
   *
   * @author panguanjing
   * @date 2020/11/6
   */
  @Getter
  public class Comment extends AbstractNode {
  
      private final String comment;
  
      public Comment(NodeLocation location, String comment) {
          super(location);
          this.comment = comment;
      }
  
      public Comment(String comment) {
          this(null, comment);
      }
  
      @Override
      public List<? extends Node> getChildren() {
          return ImmutableList.of();
      }
  
      @Override
      public <R, C> R accept(IAstVisitor<R, C> visitor, C context) {
          return visitor.visitComment(this, context);
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {return true;}
          if (o == null || getClass() != o.getClass()) {return false;}
          Comment c = (Comment)o;
          return StringUtils.equals(comment, c.getComment());
      }
  }
  