content: /*
   * Copyright 1999-2017 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.alibaba.druid.sql.ast;
  
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.List;
  import java.util.Map;
  
  public interface SQLObject {
      default int getSourceColumn() {
          return 0;
      }
  
      default int getSourceLine() {
          return 0;
      }
  
      default void setSource(int column, int line) {
      }
  
      void accept(SQLASTVisitor visitor);
  
      SQLObject clone();
  
      SQLObject getParent();
      SQLObject getParent(int level);
  
      void setParent(SQLObject parent);
  
      Map<String, Object> getAttributes();
  
      boolean containsAttribute(String name);
  
      Object getAttribute(String name);
  
      void putAttribute(String name, Object value);
  
      Map<String, Object> getAttributesDirect();
  
      void output(StringBuilder buf);
  
      void addBeforeComment(String comment);
  
      void addBeforeComment(List<String> comments);
  
      List<String> getBeforeCommentsDirect();
  
      void addAfterComment(String comment);
  
      void addAfterComment(List<String> comments);
  
      List<String> getAfterCommentsDirect();
  
      boolean hasBeforeComment();
  
      boolean hasAfterComment();
  }
  