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.bookkeeper.stats;
  
  import java.util.Arrays;
  
  /**
   * This class provides a read view of operation specific stats.
   * We expose this to JMX.
   * We use primitives because the class has to conform to CompositeViewData.
   */
  public class OpStatsData {
      private final long numSuccessfulEvents, numFailedEvents;
      // All latency values are in Milliseconds.
      private final double avgLatencyMillis;
      // 10.0 50.0, 90.0, 99.0, 99.9, 99.99 in that order.
      // TODO: Figure out if we can use a Map
      private final long[] percentileLatenciesMillis;
      public OpStatsData (long numSuccessfulEvents, long numFailedEvents,
                          double avgLatencyMillis, long[] percentileLatenciesMillis) {
          this.numSuccessfulEvents = numSuccessfulEvents;
          this.numFailedEvents = numFailedEvents;
          this.avgLatencyMillis = avgLatencyMillis;
          this.percentileLatenciesMillis =
              Arrays.copyOf(percentileLatenciesMillis, percentileLatenciesMillis.length);
      }
  
      public long getP10Latency() {
          return this.percentileLatenciesMillis[0];
      }
      public long getP50Latency() {
          return this.percentileLatenciesMillis[1];
      }
  
      public long getP90Latency() {
          return this.percentileLatenciesMillis[2];
      }
  
      public long getP99Latency() {
          return this.percentileLatenciesMillis[3];
      }
  
      public long getP999Latency() {
          return this.percentileLatenciesMillis[4];
      }
  
      public long getP9999Latency() {
          return this.percentileLatenciesMillis[5];
      }
  
      public long getNumSuccessfulEvents() {
          return this.numSuccessfulEvents;
      }
  
      public long getNumFailedEvents() {
          return this.numFailedEvents;
      }
  
      public double getAvgLatencyMillis() {
          return this.avgLatencyMillis;
      }
  }
  