content: /**
   * Copyright 2010 The Apache Software Foundation
   *
   * 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 com.alibaba.wasp.fserver.metrics;
  
  import org.apache.hadoop.metrics.MetricsContext;
  import org.apache.hadoop.metrics.Updater;
  
  /**
   * This class is for maintaining the various fserver statistics and publishing
   * them through the metrics interfaces.
   * <p>
   * This class has a number of metrics variables that are publicly accessible;
   * these variables (objects) have methods to update their values.
   */
  public class FServerMetrics implements Updater {
    @Override
    public void doUpdates(MetricsContext metricsContext) {
      // TODO
    }
  
    public void incrementSplitSuccessTime(long time) {
      // TODO
    }
  
    public void incrementSplitFailureTime(long time) {
      // TODO
    }
  
    /**
     * @return Count of requests.
     */
    public float getRequests() {
      // TODO
      return 0f;
    }
  }
  