content: /*
   * Copyright (C) 2014 The Android Open Source Project
   *
   * 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 dexfuzz;
  
  import dexfuzz.listeners.BaseListener;
  
  /**
   * For timing splits of program execution.
   */
  public class Timer {
    /**
     * The name of the timer, the phase of the program it is intended to time.
     */
    private String name;
  
    /**
     * A point in time remembered when start() is called.
     */
    private long startPoint;
  
    /**
     * A cumulative count of how much time has elapsed. Updated each time
     * stop() is called.
     */
    private long elapsedTime;
  
    /**
     * Initialise a new timer with the provided name.
     */
    public Timer(String name) {
      this.name = name;
      this.elapsedTime = 0L;
    }
  
    /**
     * Start timing.
     */
    public void start() {
      startPoint = System.currentTimeMillis();
    }
  
    /**
     * Stop timing, update how much time has elapsed.
     */
    public void stop() {
      long endPoint = System.currentTimeMillis();
      elapsedTime += (endPoint - startPoint);
    }
  
    /**
     * Log the elapsed time this timer has recorded.
     */
    public void printTime(BaseListener listener) {
      listener.handleTiming(name, ((float)elapsedTime) / 1000.0f);
    }
  }
  