content: /*
   * Copyright 1999-2018 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.pool;
  
  import java.sql.Connection;
  import java.util.Properties;
  
  /**
   * Common ValidConnectionChecker for JDBC4 to use Connection.isValid.
   *
   * Author : kimmking(kimmking@apache.org)
   * create 2023/3/4 16:48
   * Since 1.2.17
   */
  public class JDBC4ValidConnectionChecker implements ValidConnectionChecker {
      @Override
      public boolean isValidConnection(Connection c, String query, int validationQueryTimeout) throws Exception {
          Connection conn = c;
          if (conn instanceof DruidPooledConnection) {
              conn = ((DruidPooledConnection) conn).getConnection();
          }
          return conn.isValid(validationQueryTimeout);
      }
  
      @Override
      public void configFromProperties(Properties properties) {
      }
  }
  