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/**
* Copyright (c) 2009-2016, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* 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.
*
* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*/
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(0));
}
/**
* Split the time and trace log a message if the split time exceeds a
* certain threshold and if trace logging is enabled.
*/
public void splitTrace(String message, long thresholdNano) {
if (log.isTraceEnabled()) {
String splitMessage = splitMessage(thresholdNano);
if (splitMessage != null)
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(0));
}
/**
* Split the time and debug log a message if the split time exceeds a
* certain threshold and if trace logging is enabled
*/
public void splitDebug(String message, long thresholdNano) {
if (log.isDebugEnabled()) {
String splitMessage = splitMessage(thresholdNano);
if (splitMessage != null)
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(0));
}
/**
* Split the time and info log a message if the split time exceeds a
* certain threshold and if trace logging is enabled
*/
public void splitInfo(String message, long thresholdNano) {
if (log.isInfoEnabled()) {
String splitMessage = splitMessage(thresholdNano);
if (splitMessage != null)
log.info(message, splitMessage);
}
}
/**
* Split the time and warn log a message, if trace logging is enabled
*/
public void splitWarn(String message) {
log.warn(message, splitMessage(0));
}
/**
* Split the time and warn log a message if the split time exceeds a
* certain threshold and if trace logging is enabled
*/
public void splitWarn(String message, long thresholdNano) {
String splitMessage = splitMessage(thresholdNano);
if (splitMessage != null)
log.warn(message, splitMessage);
}
public long split() {
return System.nanoTime() - start;
}
private String splitMessage(long thresholdNano) {
final long temp = split;
split = System.nanoTime();
final long inc = split - temp;
if (thresholdNano > 0 && inc < thresholdNano)
return null;
if (temp == start)
return "Total: " + format(split - start);
else
return "Total: " + format(split - start) + ", +" + format(inc);
}
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();
}
}
