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.dialect.mysql.ast;
  
  import com.alibaba.druid.sql.ast.SQLName;
  import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Objects;
  
  public abstract class MySqlIndexHintImpl extends MySqlObjectImpl implements MySqlIndexHint {
      private Option option;
  
      private List<SQLName> indexList = new ArrayList<SQLName>();
  
      @Override
      public abstract void accept0(MySqlASTVisitor visitor);
  
      public Option getOption() {
          return option;
      }
  
      public void setOption(Option option) {
          this.option = option;
      }
  
      public List<SQLName> getIndexList() {
          return indexList;
      }
  
      public void setIndexList(List<SQLName> indexList) {
          this.indexList = indexList;
      }
  
      public abstract MySqlIndexHintImpl clone();
  
      public void cloneTo(MySqlIndexHintImpl x) {
          x.option = option;
          for (SQLName name : indexList) {
              SQLName name2 = name.clone();
              name2.setParent(x);
              x.indexList.add(name2);
          }
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (!(o instanceof MySqlIndexHintImpl)) {
              return false;
          }
          MySqlIndexHintImpl that = (MySqlIndexHintImpl) o;
          return getOption() == that.getOption() && Objects.equals(getIndexList(), that.getIndexList());
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(getOption(), getIndexList());
      }
  }
  