content: /*
   * Copyright 1999-2023 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.statement;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.ast.SQLExpr;
  import com.alibaba.druid.sql.ast.SQLName;
  import com.alibaba.druid.sql.ast.SQLObject;
  import com.alibaba.druid.sql.ast.SQLReplaceable;
  import com.alibaba.druid.sql.ast.SQLStatementImpl;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.Collections;
  import java.util.List;
  
  /**
   * @author lizongbo
   * @see <a href="https://docs.pingcap.com/tidb/stable/sql-statement-begin">BEGIN | TiDB SQL Statement Reference</a>
   */
  public class SQLBeginStatement extends SQLStatementImpl implements SQLReplaceable {
      //tidb
      private SQLName tidbTxnMode;
  
      public SQLBeginStatement() {
      }
  
      public SQLBeginStatement(DbType dbType) {
          super(dbType);
      }
  
      public SQLName getTidbTxnMode() {
          return tidbTxnMode;
      }
  
      public void setTidbTxnMode(SQLName x) {
          if (x != null) {
              x.setParent(this);
          }
          this.tidbTxnMode = x;
      }
  
      @Override
      public void accept0(SQLASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, tidbTxnMode);
          }
          visitor.endVisit(this);
      }
  
      @Override
      public boolean replace(SQLExpr expr, SQLExpr target) {
          if (this.tidbTxnMode == expr) {
              setTidbTxnMode((SQLName) target);
              return true;
          }
  
          return false;
      }
  
      @Override
      public List<SQLObject> getChildren() {
          return Collections.singletonList(tidbTxnMode);
      }
  }
  