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/*
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package org.openjdk.jmh.runner.options;
import java.io.Serializable;
import java.util.concurrent.TimeUnit;
/**
* A generic time scalar.
*/
public class TimeValue implements Serializable {
private static final long serialVersionUID = 1L;
public static final TimeValue NONE = new TimeValue(0, TimeUnit.SECONDS);
public static TimeValue days(long v) {
return new TimeValue(v, TimeUnit.DAYS);
}
public static TimeValue hours(long v) {
return new TimeValue(v, TimeUnit.HOURS);
}
public static TimeValue microseconds(long v) {
return new TimeValue(v, TimeUnit.MICROSECONDS);
}
public static TimeValue milliseconds(long v) {
return new TimeValue(v, TimeUnit.MILLISECONDS);
}
public static TimeValue minutes(long v) {
return new TimeValue(v, TimeUnit.MINUTES);
}
public static TimeValue nanoseconds(long v) {
return new TimeValue(v, TimeUnit.NANOSECONDS);
}
public static TimeValue seconds(long v) {
return new TimeValue(v, TimeUnit.SECONDS);
}
private final long time;
private final TimeUnit timeUnit;
public TimeValue(long time, TimeUnit timeUnit) {
if (time < 0) {
throw new IllegalArgumentException("Time should be greater or equal to zero: " + time);
}
this.time = time;
this.timeUnit = timeUnit;
}
public long getTime() {
return time;
}
public long convertTo(TimeUnit tu) {
return tu.convert(time, timeUnit);
}
public TimeUnit getTimeUnit() {
return timeUnit;
}
@Override
public int hashCode() {
int hash = 3;
hash = 41 * hash + (int) (this.time ^ (this.time >>> 32));
hash = 41 * hash + (this.timeUnit != null ? this.timeUnit.hashCode() : 0);
return hash;
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final TimeValue other = (TimeValue) obj;
if (this.time != other.time) {
return false;
}
if (this.timeUnit != other.timeUnit) {
return false;
}
return true;
}
@Override
public String toString() {
if (time == 0) {
return "single-shot";
} else {
return String.valueOf(time) + " " + tuToString(timeUnit);
}
}
/**
* Converts timeunit to stringly representation.
*
* @param timeUnit timeunit to convert
* @return string representation
*/
public static String tuToString(TimeUnit timeUnit) {
switch (timeUnit) {
case DAYS:
return "day";
case HOURS:
return "hr";
case MICROSECONDS:
return "us";
case MILLISECONDS:
return "ms";
case MINUTES:
return "min";
case NANOSECONDS:
return "ns";
case SECONDS:
return "s";
default:
return "?";
}
}
/**
* Parses time value from a string representation.
* This method is called by joptsimple to resolve string values.
* @param timeString string representation of a time value
* @return TimeValue value
*/
public static TimeValue valueOf(String timeString) {
return fromString(timeString);
}
public static TimeValue fromString(String timeString) {
if (timeString == null) {
throw new IllegalArgumentException("String is null");
}
timeString = timeString.replaceAll(" ", "").toLowerCase();
if (timeString.contains("ns")) {
return new TimeValue(Integer.parseInt(timeString.substring(0, timeString.indexOf("ns"))), TimeUnit.NANOSECONDS);
}
if (timeString.contains("ms")) {
return new TimeValue(Integer.parseInt(timeString.substring(0, timeString.indexOf("ms"))), TimeUnit.MILLISECONDS);
}
if (timeString.contains("us")) {
return new TimeValue(Integer.parseInt(timeString.substring(0, timeString.indexOf("us"))), TimeUnit.MICROSECONDS);
}
if (timeString.contains("s")) {
return new TimeValue(Integer.parseInt(timeString.substring(0, timeString.indexOf("s"))), TimeUnit.SECONDS);
}
if (timeString.contains("m")) {
return new TimeValue(Integer.parseInt(timeString.substring(0, timeString.indexOf("m"))), TimeUnit.MINUTES);
}
if (timeString.contains("hr")) {
return new TimeValue(Integer.parseInt(timeString.substring(0, timeString.indexOf("hr"))), TimeUnit.HOURS);
}
if (timeString.contains("day")) {
return new TimeValue(Integer.parseInt(timeString.substring(0, timeString.indexOf("day"))), TimeUnit.DAYS);
}
return new TimeValue(Integer.parseInt(timeString), TimeUnit.SECONDS);
}
public void sleep() throws InterruptedException {
timeUnit.sleep(time);
}
}