org.jooq.tools.StopWatch Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2014, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
* either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
* choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 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.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq.tools;
/**
* A time measuring device
*
* @author Lukas Eder
*/
public final class StopWatch {
private static final JooqLogger log = JooqLogger.getLogger(StopWatch.class);
private long start;
private long split;
/**
* Initialise the stop watch
*/
public StopWatch() {
this.start = System.nanoTime();
this.split = start;
}
/**
* Split the time and trace log a message, if trace logging is enabled
*/
public void splitTrace(String message) {
if (log.isTraceEnabled()) {
log.trace(message, splitMessage());
}
}
/**
* Split the time and debug log a message, if trace logging is enabled
*/
public void splitDebug(String message) {
if (log.isDebugEnabled()) {
log.debug(message, splitMessage());
}
}
/**
* Split the time and info log a message, if trace logging is enabled
*/
public void splitInfo(String message) {
if (log.isInfoEnabled()) {
log.info(message, splitMessage());
}
}
private String splitMessage() {
final long temp = split;
split = System.nanoTime();
if (temp == start) {
return "Total: " + format(split - start);
}
else {
return "Total: " + format(split - start) + ", +" + format(split - temp);
}
}
public static String format(long nanoTime) {
// If more than one minute, format in HH:mm:ss
if (nanoTime > (60L * 1000L * 1000000L)) {
return formatHours(nanoTime / (1000L * 1000000L));
}
// If more than one second, display seconds with milliseconds
else if (nanoTime > (1000L * 1000000L)) {
return ((nanoTime / 1000000L) / 1000.0) + "s";
}
// If less than one second, display milliseconds with microseconds
else {
return ((nanoTime / 1000L) / 1000.0) + "ms";
}
}
public static String formatHours(long seconds) {
long s = seconds % 60L;
long m = (seconds / 60L) % 60L;
long h = (seconds / 3600L);
StringBuilder sb = new StringBuilder();
if (h == 0) {
// nop
}
else if (h < 10) {
sb.append("0");
sb.append(h);
sb.append(":");
}
else {
sb.append(h);
sb.append(":");
}
if (m < 10) {
sb.append("0");
sb.append(m);
sb.append(":");
} else {
sb.append(m);
sb.append(":");
}
if (s < 10) {
sb.append("0");
sb.append(s);
} else {
sb.append(s);
}
return sb.toString();
}
}