content: /*
   * Copyright 2012-2024 Aerospike, Inc.
   *
   * Portions may be licensed to Aerospike, Inc. under one or more contributor
   * license agreements WHICH ARE COMPATIBLE WITH THE APACHE LICENSE, VERSION 2.0.
   *
   * 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.aerospike.benchmarks;
  
  import java.io.PrintStream;
  
  public interface LatencyManager {
  
  	void add(long elapsed);
  
  	void printHeader(PrintStream stream);
  
  	/**
  	 * Print latency percents for specified cumulative ranges.
  	 * This function is not absolutely accurate for a given time slice because this method
  	 * is not synchronized with the add() method.  Some values will slip into the next iteration.
  	 * It is not a good idea to add extra locks just to measure performance since that actually
  	 * affects performance.  Fortunately, the values will even out over time
  	 * (ie. no double counting).
  	 */
  	void printResults(PrintStream stream, String prefix);
  
  	void printSummaryHeader(PrintStream stream);
  
  	void printSummary(PrintStream stream, String prefix);
  }
  