/*
* Licensed to David Pilato (the "Author") under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Author 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 fr.pilato.elasticsearch.crawler.fs.meta.settings;
import java.util.Locale;
import java.util.concurrent.TimeUnit;
@SuppressWarnings("WeakerAccess")
public class TimeValue {
/** How many nano-seconds in one milli-second */
public static final long NSEC_PER_MSEC = 1000000;
public static TimeValue timeValueNanos(long nanos) {
return new TimeValue(nanos, TimeUnit.NANOSECONDS);
}
public static TimeValue timeValueMillis(long millis) {
return new TimeValue(millis, TimeUnit.MILLISECONDS);
}
public static TimeValue timeValueSeconds(long seconds) {
return new TimeValue(seconds, TimeUnit.SECONDS);
}
public static TimeValue timeValueMinutes(long minutes) {
return new TimeValue(minutes, TimeUnit.MINUTES);
}
public static TimeValue timeValueHours(long hours) {
return new TimeValue(hours, TimeUnit.HOURS);
}
private long duration;
private TimeUnit timeUnit;
public TimeValue() {
}
public TimeValue(long millis) {
this(millis, TimeUnit.MILLISECONDS);
}
public TimeValue(long duration, TimeUnit timeUnit) {
this.duration = duration;
this.timeUnit = timeUnit;
}
public long duration() {
return duration;
}
public void duration(long duration) {
this.duration = duration;
}
public TimeUnit timeUnit() {
return timeUnit;
}
public void timeUnit(TimeUnit timeUnit) {
this.timeUnit = timeUnit;
}
public long nanos() {
return timeUnit.toNanos(duration);
}
public long micros() {
return timeUnit.toMicros(duration);
}
public long millis() {
return timeUnit.toMillis(duration);
}
public long seconds() {
return timeUnit.toSeconds(duration);
}
public long minutes() {
return timeUnit.toMinutes(duration);
}
public long hours() {
return timeUnit.toHours(duration);
}
public long days() {
return timeUnit.toDays(duration);
}
public double microsFrac() {
return ((double) nanos()) / C1;
}
public double millisFrac() {
return ((double) nanos()) / C2;
}
public double secondsFrac() {
return ((double) nanos()) / C3;
}
public double minutesFrac() {
return ((double) nanos()) / C4;
}
public double hoursFrac() {
return ((double) nanos()) / C5;
}
public double daysFrac() {
return ((double) nanos()) / C6;
}
@Override
public String toString() {
if (duration < 0) {
return Long.toString(duration);
}
long nanos = nanos();
if (nanos == 0) {
return "0s";
}
double value = nanos;
String suffix = "nanos";
if (nanos >= C6) {
value = daysFrac();
suffix = "d";
} else if (nanos >= C5) {
value = hoursFrac();
suffix = "h";
} else if (nanos >= C4) {
value = minutesFrac();
suffix = "m";
} else if (nanos >= C3) {
value = secondsFrac();
suffix = "s";
} else if (nanos >= C2) {
value = millisFrac();
suffix = "ms";
} else if (nanos >= C1) {
value = microsFrac();
suffix = "micros";
}
return format1Decimals(value, suffix);
}
public static String format1Decimals(double value, String suffix) {
String p = String.valueOf(value);
int ix = p.indexOf('.') + 1;
int ex = p.indexOf('E');
char fraction = p.charAt(ix);
if (fraction == '0') {
if (ex != -1) {
return p.substring(0, ix - 1) + p.substring(ex) + suffix;
} else {
return p.substring(0, ix - 1) + suffix;
}
} else {
if (ex != -1) {
return p.substring(0, ix) + fraction + p.substring(ex) + suffix;
} else {
return p.substring(0, ix) + fraction + suffix;
}
}
}
public static TimeValue parseTimeValue(String sValue) {
if (sValue == null) {
return null;
}
try {
String lowerSValue = sValue.toLowerCase(Locale.ROOT).trim();
long duration = Long.parseLong(lowerSValue.substring(0, lowerSValue.length() - 1));
TimeUnit unit;
if (lowerSValue.endsWith("ms")) {
// Well, with ms, we need to substring 2 chars
duration = Long.parseLong(lowerSValue.substring(0, lowerSValue.length() - 2));
unit = TimeUnit.MILLISECONDS;
} else if (lowerSValue.endsWith("s")) {
unit = TimeUnit.SECONDS;
} else if (lowerSValue.endsWith("m")) {
unit = TimeUnit.MINUTES;
} else if (lowerSValue.endsWith("h")) {
unit = TimeUnit.HOURS;
} else if (lowerSValue.endsWith("d")) {
unit = TimeUnit.HOURS;
} else {
throw new IllegalArgumentException("Failed to parse timevalue [" + sValue + "]: unit is missing or unrecognized");
}
return new TimeValue(duration, unit);
} catch (NumberFormatException e) {
throw new IllegalArgumentException("Failed to parse timevalue [" + sValue + "].");
}
}
static final long C0 = 1L;
static final long C1 = C0 * 1000L;
static final long C2 = C1 * 1000L;
static final long C3 = C2 * 1000L;
static final long C4 = C3 * 60L;
static final long C5 = C4 * 60L;
static final long C6 = C5 * 24L;
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
TimeValue timeValue = (TimeValue) o;
if (duration != timeValue.duration) return false;
return timeUnit == timeValue.timeUnit;
}
@Override
public int hashCode() {
int result = (int) (duration ^ (duration >>> 32));
result = 31 * result + (timeUnit != null ? timeUnit.hashCode() : 0);
return result;
}
}