| /* |
| * 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.hyracks.api.util; |
| |
| import java.text.SimpleDateFormat; |
| |
| public class ExecutionTimeStopWatch { |
| private long startTime = 0; |
| private long stopTime = 0; |
| private long elapsedTime = 0; |
| |
| private long elapsedTimeBetweenTimeStamp = 0; |
| |
| // starting timestamp of an operator |
| private long startTimeStamp = 0; |
| |
| // ending timestamp |
| private long endTimeStamp = 0; |
| |
| // The timer has started? |
| private boolean isStarted = false; |
| |
| private String message; |
| |
| public void start() { |
| elapsedTime = 0; |
| startTime = System.currentTimeMillis(); |
| startTimeStamp = startTime; |
| isStarted = true; |
| message = ""; |
| } |
| |
| public void suspend() { |
| stopTime = System.currentTimeMillis(); |
| elapsedTime += stopTime - startTime; |
| } |
| |
| public void resume() { |
| startTime = System.currentTimeMillis(); |
| } |
| |
| public void finish() { |
| endTimeStamp = stopTime; |
| elapsedTimeBetweenTimeStamp = endTimeStamp - startTimeStamp; |
| } |
| |
| // elapsed time in milliseconds |
| public long getElapsedTime() { |
| return elapsedTime; |
| } |
| |
| // elapsed time in seconds |
| public double getElapsedTimeSecs() { |
| return (double) elapsedTime / 1000; |
| } |
| |
| // elapsed time in milliseconds |
| public long getElapsedTimeStamp() { |
| return elapsedTimeBetweenTimeStamp; |
| } |
| |
| // elapsed time in seconds |
| public double getElapsedTimeStampSecs() { |
| return (double) elapsedTimeBetweenTimeStamp / 1000; |
| } |
| |
| public String getMessage(String operatorName, long timeStamp) { |
| message = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss,SSS").format(timeStamp) + "\t" + operatorName + "\t" |
| + this.getElapsedTime() + "\t" + this.getElapsedTimeSecs() + "\t" + this.getElapsedTimeStamp() + "\t" |
| + this.getElapsedTimeStampSecs() + "\n"; |
| return message; |
| } |
| |
| public long getStartTimeStamp() { |
| return startTimeStamp; |
| } |
| |
| public long getEndTimeStamp() { |
| return endTimeStamp; |
| } |
| |
| } |