content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 org.apache.carbondata.core.stats;
  
  /**
   * Class will be used to record and log the query statistics
   */
  public class DriverQueryStatisticsRecorderDummy implements QueryStatisticsRecorder {
  
    private DriverQueryStatisticsRecorderDummy() {
  
    }
  
    private static DriverQueryStatisticsRecorderDummy carbonLoadStatisticsImplInstance =
        new DriverQueryStatisticsRecorderDummy();
  
    public static DriverQueryStatisticsRecorderDummy getInstance() {
      return carbonLoadStatisticsImplInstance;
    }
  
    public void recordStatistics(QueryStatistic statistic) {
  
    }
  
    public void logStatistics() {
  
    }
  
    public TaskStatistics statisticsForTask(long taskId, long startTime) {
      return null;
    }
  
    public void logStatisticsForTask(TaskStatistics task) {
  
    }
  
    /**
     * Below method will be used to add the statistics
     */
    public synchronized void recordStatisticsForDriver(QueryStatistic statistic, String queryId) {
  
    }
  
    /**
     * Below method will be used to show statistic log as table
     */
    public void logStatisticsAsTableDriver() {
  
    }
  
  }
  