15289
|
1 |
/*
|
|
2 |
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
|
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
4 |
*
|
|
5 |
* This code is free software; you can redistribute it and/or modify it
|
|
6 |
* under the terms of the GNU General Public License version 2 only, as
|
|
7 |
* published by the Free Software Foundation. Oracle designates this
|
|
8 |
* particular file as subject to the "Classpath" exception as provided
|
|
9 |
* by Oracle in the LICENSE file that accompanied this code.
|
|
10 |
*
|
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that
|
|
15 |
* accompanied this code).
|
|
16 |
*
|
|
17 |
* You should have received a copy of the GNU General Public License version
|
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
20 |
*
|
|
21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
22 |
* or visit www.oracle.com if you need additional information or have any
|
|
23 |
* questions.
|
|
24 |
*/
|
|
25 |
|
|
26 |
/*
|
|
27 |
* This file is available under and governed by the GNU General Public
|
|
28 |
* License version 2 only, as published by the Free Software Foundation.
|
|
29 |
* However, the following notice accompanied the original version of this
|
|
30 |
* file:
|
|
31 |
*
|
|
32 |
* Copyright (c) 2007-2012, Stephen Colebourne & Michael Nascimento Santos
|
|
33 |
*
|
|
34 |
* All rights reserved.
|
|
35 |
*
|
|
36 |
* Redistribution and use in source and binary forms, with or without
|
|
37 |
* modification, are permitted provided that the following conditions are met:
|
|
38 |
*
|
|
39 |
* * Redistributions of source code must retain the above copyright notice,
|
|
40 |
* this list of conditions and the following disclaimer.
|
|
41 |
*
|
|
42 |
* * Redistributions in binary form must reproduce the above copyright notice,
|
|
43 |
* this list of conditions and the following disclaimer in the documentation
|
|
44 |
* and/or other materials provided with the distribution.
|
|
45 |
*
|
|
46 |
* * Neither the name of JSR-310 nor the names of its contributors
|
|
47 |
* may be used to endorse or promote products derived from this software
|
|
48 |
* without specific prior written permission.
|
|
49 |
*
|
|
50 |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
51 |
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
52 |
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
53 |
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
54 |
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
55 |
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
56 |
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
57 |
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
58 |
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
59 |
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
60 |
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
61 |
*/
|
|
62 |
package java.time;
|
|
63 |
|
15658
|
64 |
import static java.time.LocalTime.NANOS_PER_SECOND;
|
15289
|
65 |
import static java.time.LocalTime.SECONDS_PER_DAY;
|
15658
|
66 |
import static java.time.LocalTime.SECONDS_PER_HOUR;
|
|
67 |
import static java.time.LocalTime.SECONDS_PER_MINUTE;
|
15289
|
68 |
import static java.time.temporal.ChronoField.NANO_OF_SECOND;
|
|
69 |
import static java.time.temporal.ChronoUnit.DAYS;
|
15658
|
70 |
import static java.time.temporal.ChronoUnit.NANOS;
|
|
71 |
import static java.time.temporal.ChronoUnit.SECONDS;
|
15289
|
72 |
|
|
73 |
import java.io.DataInput;
|
|
74 |
import java.io.DataOutput;
|
|
75 |
import java.io.IOException;
|
|
76 |
import java.io.InvalidObjectException;
|
|
77 |
import java.io.ObjectStreamException;
|
|
78 |
import java.io.Serializable;
|
|
79 |
import java.math.BigDecimal;
|
|
80 |
import java.math.BigInteger;
|
|
81 |
import java.math.RoundingMode;
|
|
82 |
import java.time.format.DateTimeParseException;
|
|
83 |
import java.time.temporal.ChronoField;
|
|
84 |
import java.time.temporal.ChronoUnit;
|
|
85 |
import java.time.temporal.Temporal;
|
15658
|
86 |
import java.time.temporal.TemporalAmount;
|
15289
|
87 |
import java.time.temporal.TemporalUnit;
|
16852
|
88 |
import java.time.temporal.UnsupportedTemporalTypeException;
|
15658
|
89 |
import java.util.Arrays;
|
|
90 |
import java.util.Collections;
|
|
91 |
import java.util.List;
|
15289
|
92 |
import java.util.Objects;
|
15658
|
93 |
import java.util.regex.Matcher;
|
|
94 |
import java.util.regex.Pattern;
|
15289
|
95 |
|
|
96 |
/**
|
15658
|
97 |
* A time-based amount of time, such as '34.5 seconds'.
|
15289
|
98 |
* <p>
|
15658
|
99 |
* This class models a quantity or amount of time in terms of seconds and nanoseconds.
|
|
100 |
* It can be accessed using other duration-based units, such as minutes and hours.
|
|
101 |
* In addition, the {@link ChronoUnit#DAYS DAYS} unit can be used and is treated as
|
|
102 |
* exactly equal to 24 hours, thus ignoring daylight savings effects.
|
|
103 |
* See {@link Period} for the date-based equivalent to this class.
|
15289
|
104 |
* <p>
|
|
105 |
* A physical duration could be of infinite length.
|
|
106 |
* For practicality, the duration is stored with constraints similar to {@link Instant}.
|
|
107 |
* The duration uses nanosecond resolution with a maximum value of the seconds that can
|
|
108 |
* be held in a {@code long}. This is greater than the current estimated age of the universe.
|
|
109 |
* <p>
|
|
110 |
* The range of a duration requires the storage of a number larger than a {@code long}.
|
|
111 |
* To achieve this, the class stores a {@code long} representing seconds and an {@code int}
|
|
112 |
* representing nanosecond-of-second, which will always be between 0 and 999,999,999.
|
15658
|
113 |
* The model is of a directed duration, meaning that the duration may be negative.
|
15289
|
114 |
* <p>
|
|
115 |
* The duration is measured in "seconds", but these are not necessarily identical to
|
|
116 |
* the scientific "SI second" definition based on atomic clocks.
|
|
117 |
* This difference only impacts durations measured near a leap-second and should not affect
|
|
118 |
* most applications.
|
|
119 |
* See {@link Instant} for a discussion as to the meaning of the second and time-scales.
|
|
120 |
*
|
17474
|
121 |
* @implSpec
|
15289
|
122 |
* This class is immutable and thread-safe.
|
|
123 |
*
|
|
124 |
* @since 1.8
|
|
125 |
*/
|
|
126 |
public final class Duration
|
15658
|
127 |
implements TemporalAmount, Comparable<Duration>, Serializable {
|
15289
|
128 |
|
|
129 |
/**
|
|
130 |
* Constant for a duration of zero.
|
|
131 |
*/
|
|
132 |
public static final Duration ZERO = new Duration(0, 0);
|
|
133 |
/**
|
|
134 |
* Serialization version.
|
|
135 |
*/
|
|
136 |
private static final long serialVersionUID = 3078945930695997490L;
|
|
137 |
/**
|
|
138 |
* Constant for nanos per second.
|
|
139 |
*/
|
15658
|
140 |
private static final BigInteger BI_NANOS_PER_SECOND = BigInteger.valueOf(NANOS_PER_SECOND);
|
15289
|
141 |
/**
|
15658
|
142 |
* The pattern for parsing.
|
15289
|
143 |
*/
|
15658
|
144 |
private final static Pattern PATTERN =
|
|
145 |
Pattern.compile("([-+]?)P(?:([-+]?[0-9]+)D)?" +
|
|
146 |
"(T(?:([-+]?[0-9]+)H)?(?:([-+]?[0-9]+)M)?(?:([-+]?[0-9]+)(?:[.,]([0-9]{0,9}))?S)?)?",
|
|
147 |
Pattern.CASE_INSENSITIVE);
|
15289
|
148 |
|
|
149 |
/**
|
|
150 |
* The number of seconds in the duration.
|
|
151 |
*/
|
|
152 |
private final long seconds;
|
|
153 |
/**
|
|
154 |
* The number of nanoseconds in the duration, expressed as a fraction of the
|
|
155 |
* number of seconds. This is always positive, and never exceeds 999,999,999.
|
|
156 |
*/
|
|
157 |
private final int nanos;
|
|
158 |
|
|
159 |
//-----------------------------------------------------------------------
|
|
160 |
/**
|
15658
|
161 |
* Obtains a {@code Duration} representing a number of standard 24 hour days.
|
|
162 |
* <p>
|
|
163 |
* The seconds are calculated based on the standard definition of a day,
|
|
164 |
* where each day is 86400 seconds which implies a 24 hour day.
|
|
165 |
* The nanosecond in second field is set to zero.
|
|
166 |
*
|
|
167 |
* @param days the number of days, positive or negative
|
|
168 |
* @return a {@code Duration}, not null
|
|
169 |
* @throws ArithmeticException if the input days exceeds the capacity of {@code Duration}
|
|
170 |
*/
|
|
171 |
public static Duration ofDays(long days) {
|
|
172 |
return create(Math.multiplyExact(days, SECONDS_PER_DAY), 0);
|
|
173 |
}
|
|
174 |
|
|
175 |
/**
|
|
176 |
* Obtains a {@code Duration} representing a number of standard hours.
|
|
177 |
* <p>
|
|
178 |
* The seconds are calculated based on the standard definition of an hour,
|
|
179 |
* where each hour is 3600 seconds.
|
|
180 |
* The nanosecond in second field is set to zero.
|
|
181 |
*
|
|
182 |
* @param hours the number of hours, positive or negative
|
|
183 |
* @return a {@code Duration}, not null
|
|
184 |
* @throws ArithmeticException if the input hours exceeds the capacity of {@code Duration}
|
|
185 |
*/
|
|
186 |
public static Duration ofHours(long hours) {
|
|
187 |
return create(Math.multiplyExact(hours, SECONDS_PER_HOUR), 0);
|
|
188 |
}
|
|
189 |
|
|
190 |
/**
|
|
191 |
* Obtains a {@code Duration} representing a number of standard minutes.
|
|
192 |
* <p>
|
|
193 |
* The seconds are calculated based on the standard definition of a minute,
|
|
194 |
* where each minute is 60 seconds.
|
|
195 |
* The nanosecond in second field is set to zero.
|
|
196 |
*
|
|
197 |
* @param minutes the number of minutes, positive or negative
|
|
198 |
* @return a {@code Duration}, not null
|
|
199 |
* @throws ArithmeticException if the input minutes exceeds the capacity of {@code Duration}
|
|
200 |
*/
|
|
201 |
public static Duration ofMinutes(long minutes) {
|
|
202 |
return create(Math.multiplyExact(minutes, SECONDS_PER_MINUTE), 0);
|
|
203 |
}
|
|
204 |
|
|
205 |
//-----------------------------------------------------------------------
|
|
206 |
/**
|
|
207 |
* Obtains a {@code Duration} representing a number of seconds.
|
15289
|
208 |
* <p>
|
|
209 |
* The nanosecond in second field is set to zero.
|
|
210 |
*
|
|
211 |
* @param seconds the number of seconds, positive or negative
|
|
212 |
* @return a {@code Duration}, not null
|
|
213 |
*/
|
|
214 |
public static Duration ofSeconds(long seconds) {
|
|
215 |
return create(seconds, 0);
|
|
216 |
}
|
|
217 |
|
|
218 |
/**
|
15658
|
219 |
* Obtains a {@code Duration} representing a number of seconds and an
|
|
220 |
* adjustment in nanoseconds.
|
15289
|
221 |
* <p>
|
|
222 |
* This method allows an arbitrary number of nanoseconds to be passed in.
|
|
223 |
* The factory will alter the values of the second and nanosecond in order
|
|
224 |
* to ensure that the stored nanosecond is in the range 0 to 999,999,999.
|
|
225 |
* For example, the following will result in the exactly the same duration:
|
|
226 |
* <pre>
|
|
227 |
* Duration.ofSeconds(3, 1);
|
|
228 |
* Duration.ofSeconds(4, -999_999_999);
|
|
229 |
* Duration.ofSeconds(2, 1000_000_001);
|
|
230 |
* </pre>
|
|
231 |
*
|
|
232 |
* @param seconds the number of seconds, positive or negative
|
|
233 |
* @param nanoAdjustment the nanosecond adjustment to the number of seconds, positive or negative
|
|
234 |
* @return a {@code Duration}, not null
|
|
235 |
* @throws ArithmeticException if the adjustment causes the seconds to exceed the capacity of {@code Duration}
|
|
236 |
*/
|
|
237 |
public static Duration ofSeconds(long seconds, long nanoAdjustment) {
|
|
238 |
long secs = Math.addExact(seconds, Math.floorDiv(nanoAdjustment, NANOS_PER_SECOND));
|
15658
|
239 |
int nos = (int) Math.floorMod(nanoAdjustment, NANOS_PER_SECOND);
|
15289
|
240 |
return create(secs, nos);
|
|
241 |
}
|
|
242 |
|
|
243 |
//-----------------------------------------------------------------------
|
|
244 |
/**
|
15658
|
245 |
* Obtains a {@code Duration} representing a number of milliseconds.
|
15289
|
246 |
* <p>
|
|
247 |
* The seconds and nanoseconds are extracted from the specified milliseconds.
|
|
248 |
*
|
|
249 |
* @param millis the number of milliseconds, positive or negative
|
|
250 |
* @return a {@code Duration}, not null
|
|
251 |
*/
|
|
252 |
public static Duration ofMillis(long millis) {
|
|
253 |
long secs = millis / 1000;
|
|
254 |
int mos = (int) (millis % 1000);
|
|
255 |
if (mos < 0) {
|
|
256 |
mos += 1000;
|
|
257 |
secs--;
|
|
258 |
}
|
|
259 |
return create(secs, mos * 1000_000);
|
|
260 |
}
|
|
261 |
|
|
262 |
//-----------------------------------------------------------------------
|
|
263 |
/**
|
15658
|
264 |
* Obtains a {@code Duration} representing a number of nanoseconds.
|
15289
|
265 |
* <p>
|
|
266 |
* The seconds and nanoseconds are extracted from the specified nanoseconds.
|
|
267 |
*
|
|
268 |
* @param nanos the number of nanoseconds, positive or negative
|
|
269 |
* @return a {@code Duration}, not null
|
|
270 |
*/
|
|
271 |
public static Duration ofNanos(long nanos) {
|
|
272 |
long secs = nanos / NANOS_PER_SECOND;
|
|
273 |
int nos = (int) (nanos % NANOS_PER_SECOND);
|
|
274 |
if (nos < 0) {
|
|
275 |
nos += NANOS_PER_SECOND;
|
|
276 |
secs--;
|
|
277 |
}
|
|
278 |
return create(secs, nos);
|
|
279 |
}
|
|
280 |
|
|
281 |
//-----------------------------------------------------------------------
|
|
282 |
/**
|
15658
|
283 |
* Obtains a {@code Duration} representing an amount in the specified unit.
|
15289
|
284 |
* <p>
|
|
285 |
* The parameters represent the two parts of a phrase like '6 Hours'. For example:
|
|
286 |
* <pre>
|
|
287 |
* Duration.of(3, SECONDS);
|
|
288 |
* Duration.of(465, HOURS);
|
|
289 |
* </pre>
|
|
290 |
* Only a subset of units are accepted by this method.
|
|
291 |
* The unit must either have an {@linkplain TemporalUnit#isDurationEstimated() exact duration} or
|
|
292 |
* be {@link ChronoUnit#DAYS} which is treated as 24 hours. Other units throw an exception.
|
|
293 |
*
|
|
294 |
* @param amount the amount of the duration, measured in terms of the unit, positive or negative
|
|
295 |
* @param unit the unit that the duration is measured in, must have an exact duration, not null
|
|
296 |
* @return a {@code Duration}, not null
|
|
297 |
* @throws DateTimeException if the period unit has an estimated duration
|
|
298 |
* @throws ArithmeticException if a numeric overflow occurs
|
|
299 |
*/
|
|
300 |
public static Duration of(long amount, TemporalUnit unit) {
|
|
301 |
return ZERO.plus(amount, unit);
|
|
302 |
}
|
|
303 |
|
|
304 |
//-----------------------------------------------------------------------
|
|
305 |
/**
|
16852
|
306 |
* Obtains an instance of {@code Duration} from a temporal amount.
|
|
307 |
* <p>
|
|
308 |
* This obtains a duration based on the specified amount.
|
|
309 |
* A {@code TemporalAmount} represents an amount of time, which may be
|
|
310 |
* date-based or time-based, which this factory extracts to a duration.
|
15289
|
311 |
* <p>
|
16852
|
312 |
* The conversion loops around the set of units from the amount and uses
|
|
313 |
* the {@linkplain TemporalUnit#getDuration() duration} of the unit to
|
|
314 |
* calculate the total {@code Duration}.
|
|
315 |
* Only a subset of units are accepted by this method. The unit must either
|
|
316 |
* have an {@linkplain TemporalUnit#isDurationEstimated() exact duration}
|
|
317 |
* or be {@link ChronoUnit#DAYS} which is treated as 24 hours.
|
|
318 |
* If any other units are found then an exception is thrown.
|
15289
|
319 |
*
|
16852
|
320 |
* @param amount the temporal amount to convert, not null
|
|
321 |
* @return the equivalent duration, not null
|
|
322 |
* @throws DateTimeException if unable to convert to a {@code Duration}
|
|
323 |
* @throws ArithmeticException if numeric overflow occurs
|
15289
|
324 |
*/
|
16852
|
325 |
public static Duration from(TemporalAmount amount) {
|
|
326 |
Objects.requireNonNull(amount, "amount");
|
|
327 |
Duration duration = ZERO;
|
|
328 |
for (TemporalUnit unit : amount.getUnits()) {
|
|
329 |
duration = duration.plus(amount.get(unit), unit);
|
15658
|
330 |
}
|
16852
|
331 |
return duration;
|
15289
|
332 |
}
|
|
333 |
|
|
334 |
//-----------------------------------------------------------------------
|
|
335 |
/**
|
15658
|
336 |
* Obtains a {@code Duration} from a text string such as {@code PnDTnHnMn.nS}.
|
|
337 |
* <p>
|
|
338 |
* This will parse a textual representation of a duration, including the
|
|
339 |
* string produced by {@code toString()}. The formats accepted are based
|
|
340 |
* on the ISO-8601 duration format {@code PnDTnHnMn.nS} with days
|
|
341 |
* considered to be exactly 24 hours.
|
15289
|
342 |
* <p>
|
15658
|
343 |
* The string starts with an optional sign, denoted by the ASCII negative
|
|
344 |
* or positive symbol. If negative, the whole period is negated.
|
|
345 |
* The ASCII letter "P" is next in upper or lower case.
|
|
346 |
* There are then four sections, each consisting of a number and a suffix.
|
|
347 |
* The sections have suffixes in ASCII of "D", "H", "M" and "S" for
|
|
348 |
* days, hours, minutes and seconds, accepted in upper or lower case.
|
|
349 |
* The suffixes must occur in order. The ASCII letter "T" must occur before
|
|
350 |
* the first occurrence, if any, of an hour, minute or second section.
|
|
351 |
* At least one of the four sections must be present, and if "T" is present
|
|
352 |
* there must be at least one section after the "T".
|
|
353 |
* The number part of each section must consist of one or more ASCII digits.
|
|
354 |
* The number may be prefixed by the ASCII negative or positive symbol.
|
|
355 |
* The number of days, hours and minutes must parse to an {@code long}.
|
|
356 |
* The number of seconds must parse to an {@code long} with optional fraction.
|
15289
|
357 |
* The decimal point may be either a dot or a comma.
|
15658
|
358 |
* The fractional part may have from zero to 9 digits.
|
|
359 |
* <p>
|
|
360 |
* The leading plus/minus sign, and negative values for other units are
|
|
361 |
* not part of the ISO-8601 standard.
|
|
362 |
* <p>
|
|
363 |
* Examples:
|
|
364 |
* <pre>
|
16852
|
365 |
* "PT20.345S" -- parses as "20.345 seconds"
|
|
366 |
* "PT15M" -- parses as "15 minutes" (where a minute is 60 seconds)
|
|
367 |
* "PT10H" -- parses as "10 hours" (where an hour is 3600 seconds)
|
|
368 |
* "P2D" -- parses as "2 days" (where a day is 24 hours or 86400 seconds)
|
|
369 |
* "P2DT3H4M" -- parses as "2 days, 3 hours and 4 minutes"
|
|
370 |
* "P-6H3M" -- parses as "-6 hours and +3 minutes"
|
|
371 |
* "-P6H3M" -- parses as "-6 hours and -3 minutes"
|
|
372 |
* "-P-6H+3M" -- parses as "+6 hours and -3 minutes"
|
15658
|
373 |
* </pre>
|
15289
|
374 |
*
|
|
375 |
* @param text the text to parse, not null
|
15658
|
376 |
* @return the parsed duration, not null
|
|
377 |
* @throws DateTimeParseException if the text cannot be parsed to a duration
|
15289
|
378 |
*/
|
15658
|
379 |
public static Duration parse(CharSequence text) {
|
15289
|
380 |
Objects.requireNonNull(text, "text");
|
15658
|
381 |
Matcher matcher = PATTERN.matcher(text);
|
|
382 |
if (matcher.matches()) {
|
|
383 |
// check for letter T but no time sections
|
|
384 |
if ("T".equals(matcher.group(3)) == false) {
|
|
385 |
boolean negate = "-".equals(matcher.group(1));
|
|
386 |
String dayMatch = matcher.group(2);
|
|
387 |
String hourMatch = matcher.group(4);
|
|
388 |
String minuteMatch = matcher.group(5);
|
|
389 |
String secondMatch = matcher.group(6);
|
|
390 |
String fractionMatch = matcher.group(7);
|
|
391 |
if (dayMatch != null || hourMatch != null || minuteMatch != null || secondMatch != null) {
|
|
392 |
long daysAsSecs = parseNumber(text, dayMatch, SECONDS_PER_DAY, "days");
|
|
393 |
long hoursAsSecs = parseNumber(text, hourMatch, SECONDS_PER_HOUR, "hours");
|
|
394 |
long minsAsSecs = parseNumber(text, minuteMatch, SECONDS_PER_MINUTE, "minutes");
|
|
395 |
long seconds = parseNumber(text, secondMatch, 1, "seconds");
|
|
396 |
int nanos = parseFraction(text, fractionMatch, seconds < 0 ? -1 : 1);
|
|
397 |
try {
|
|
398 |
return create(negate, daysAsSecs, hoursAsSecs, minsAsSecs, seconds, nanos);
|
|
399 |
} catch (ArithmeticException ex) {
|
|
400 |
throw (DateTimeParseException) new DateTimeParseException("Text cannot be parsed to a Duration: overflow", text, 0).initCause(ex);
|
|
401 |
}
|
15289
|
402 |
}
|
|
403 |
}
|
15658
|
404 |
}
|
|
405 |
throw new DateTimeParseException("Text cannot be parsed to a Duration", text, 0);
|
|
406 |
}
|
|
407 |
|
|
408 |
private static long parseNumber(CharSequence text, String parsed, int multiplier, String errorText) {
|
|
409 |
// regex limits to [-+]?[0-9]+
|
|
410 |
if (parsed == null) {
|
|
411 |
return 0;
|
|
412 |
}
|
|
413 |
try {
|
|
414 |
long val = Long.parseLong(parsed);
|
|
415 |
return Math.multiplyExact(val, multiplier);
|
|
416 |
} catch (NumberFormatException | ArithmeticException ex) {
|
|
417 |
throw (DateTimeParseException) new DateTimeParseException("Text cannot be parsed to a Duration: " + errorText, text, 0).initCause(ex);
|
|
418 |
}
|
|
419 |
}
|
15289
|
420 |
|
15658
|
421 |
private static int parseFraction(CharSequence text, String parsed, int negate) {
|
|
422 |
// regex limits to [0-9]{0,9}
|
|
423 |
if (parsed == null || parsed.length() == 0) {
|
|
424 |
return 0;
|
15289
|
425 |
}
|
15658
|
426 |
try {
|
|
427 |
parsed = (parsed + "000000000").substring(0, 9);
|
|
428 |
return Integer.parseInt(parsed) * negate;
|
|
429 |
} catch (NumberFormatException | ArithmeticException ex) {
|
|
430 |
throw (DateTimeParseException) new DateTimeParseException("Text cannot be parsed to a Duration: fraction", text, 0).initCause(ex);
|
|
431 |
}
|
|
432 |
}
|
|
433 |
|
|
434 |
private static Duration create(boolean negate, long daysAsSecs, long hoursAsSecs, long minsAsSecs, long secs, int nanos) {
|
|
435 |
long seconds = Math.addExact(daysAsSecs, Math.addExact(hoursAsSecs, Math.addExact(minsAsSecs, secs)));
|
|
436 |
if (negate) {
|
|
437 |
return ofSeconds(seconds, nanos).negated();
|
|
438 |
}
|
|
439 |
return ofSeconds(seconds, nanos);
|
15289
|
440 |
}
|
|
441 |
|
|
442 |
//-----------------------------------------------------------------------
|
|
443 |
/**
|
16852
|
444 |
* Obtains a {@code Duration} representing the duration between two instants.
|
|
445 |
* <p>
|
|
446 |
* This calculates the duration between two temporal objects of the same type.
|
|
447 |
* The specified temporal objects must support the {@link ChronoUnit#SECONDS SECONDS} unit.
|
|
448 |
* For full accuracy, either the {@link ChronoUnit#NANOS NANOS} unit or the
|
|
449 |
* {@link ChronoField#NANO_OF_SECOND NANO_OF_SECOND} field should be supported.
|
|
450 |
* <p>
|
|
451 |
* The result of this method can be a negative period if the end is before the start.
|
|
452 |
* To guarantee to obtain a positive duration call {@link #abs()} on the result.
|
|
453 |
*
|
|
454 |
* @param startInclusive the start instant, inclusive, not null
|
|
455 |
* @param endExclusive the end instant, exclusive, not null
|
|
456 |
* @return a {@code Duration}, not null
|
|
457 |
* @throws DateTimeException if the seconds between the temporals cannot be obtained
|
|
458 |
* @throws ArithmeticException if the calculation exceeds the capacity of {@code Duration}
|
|
459 |
*/
|
|
460 |
public static Duration between(Temporal startInclusive, Temporal endExclusive) {
|
|
461 |
try {
|
|
462 |
return ofNanos(startInclusive.periodUntil(endExclusive, NANOS));
|
|
463 |
} catch (DateTimeException | ArithmeticException ex) {
|
|
464 |
long secs = startInclusive.periodUntil(endExclusive, SECONDS);
|
|
465 |
long nanos;
|
|
466 |
try {
|
|
467 |
nanos = endExclusive.getLong(NANO_OF_SECOND) - startInclusive.getLong(NANO_OF_SECOND);
|
|
468 |
if (secs > 0 && nanos < 0) {
|
|
469 |
secs++;
|
|
470 |
} else if (secs < 0 && nanos > 0) {
|
|
471 |
secs--;
|
|
472 |
}
|
|
473 |
} catch (DateTimeException ex2) {
|
|
474 |
nanos = 0;
|
|
475 |
}
|
|
476 |
return ofSeconds(secs, nanos);
|
|
477 |
}
|
|
478 |
}
|
|
479 |
|
|
480 |
//-----------------------------------------------------------------------
|
|
481 |
/**
|
15289
|
482 |
* Obtains an instance of {@code Duration} using seconds and nanoseconds.
|
|
483 |
*
|
|
484 |
* @param seconds the length of the duration in seconds, positive or negative
|
|
485 |
* @param nanoAdjustment the nanosecond adjustment within the second, from 0 to 999,999,999
|
|
486 |
*/
|
|
487 |
private static Duration create(long seconds, int nanoAdjustment) {
|
|
488 |
if ((seconds | nanoAdjustment) == 0) {
|
|
489 |
return ZERO;
|
|
490 |
}
|
|
491 |
return new Duration(seconds, nanoAdjustment);
|
|
492 |
}
|
|
493 |
|
|
494 |
/**
|
|
495 |
* Constructs an instance of {@code Duration} using seconds and nanoseconds.
|
|
496 |
*
|
|
497 |
* @param seconds the length of the duration in seconds, positive or negative
|
|
498 |
* @param nanos the nanoseconds within the second, from 0 to 999,999,999
|
|
499 |
*/
|
|
500 |
private Duration(long seconds, int nanos) {
|
|
501 |
super();
|
|
502 |
this.seconds = seconds;
|
|
503 |
this.nanos = nanos;
|
|
504 |
}
|
|
505 |
|
|
506 |
//-----------------------------------------------------------------------
|
|
507 |
/**
|
15658
|
508 |
* Gets the value of the requested unit.
|
|
509 |
* <p>
|
|
510 |
* This returns a value for each of the two supported units,
|
|
511 |
* {@link ChronoUnit#SECONDS SECONDS} and {@link ChronoUnit#NANOS NANOS}.
|
|
512 |
* All other units throw an exception.
|
|
513 |
*
|
|
514 |
* @param unit the {@code TemporalUnit} for which to return the value
|
|
515 |
* @return the long value of the unit
|
|
516 |
* @throws DateTimeException if the unit is not supported
|
16852
|
517 |
* @throws UnsupportedTemporalTypeException if the unit is not supported
|
15658
|
518 |
*/
|
|
519 |
@Override
|
|
520 |
public long get(TemporalUnit unit) {
|
|
521 |
if (unit == SECONDS) {
|
|
522 |
return seconds;
|
|
523 |
} else if (unit == NANOS) {
|
|
524 |
return nanos;
|
|
525 |
} else {
|
16852
|
526 |
throw new UnsupportedTemporalTypeException("Unsupported unit: " + unit.getName());
|
15658
|
527 |
}
|
|
528 |
}
|
|
529 |
|
|
530 |
/**
|
|
531 |
* Gets the set of units supported by this duration.
|
|
532 |
* <p>
|
|
533 |
* The supported units are {@link ChronoUnit#SECONDS SECONDS},
|
|
534 |
* and {@link ChronoUnit#NANOS NANOS}.
|
|
535 |
* They are returned in the order seconds, nanos.
|
|
536 |
* <p>
|
|
537 |
* This set can be used in conjunction with {@link #get(TemporalUnit)}
|
|
538 |
* to access the entire state of the period.
|
|
539 |
*
|
|
540 |
* @return a list containing the seconds and nanos units, not null
|
|
541 |
*/
|
|
542 |
@Override
|
|
543 |
public List<TemporalUnit> getUnits() {
|
|
544 |
return DurationUnits.UNITS;
|
|
545 |
}
|
|
546 |
|
|
547 |
/**
|
|
548 |
* Private class to delay initialization of this list until needed.
|
|
549 |
* The circular dependency between Duration and ChronoUnit prevents
|
|
550 |
* the simple initialization in Duration.
|
|
551 |
*/
|
|
552 |
private static class DurationUnits {
|
|
553 |
final static List<TemporalUnit> UNITS =
|
|
554 |
Collections.unmodifiableList(Arrays.<TemporalUnit>asList(SECONDS, NANOS));
|
|
555 |
}
|
|
556 |
|
|
557 |
//-----------------------------------------------------------------------
|
|
558 |
/**
|
15289
|
559 |
* Checks if this duration is zero length.
|
|
560 |
* <p>
|
|
561 |
* A {@code Duration} represents a directed distance between two points on
|
|
562 |
* the time-line and can therefore be positive, zero or negative.
|
|
563 |
* This method checks whether the length is zero.
|
|
564 |
*
|
|
565 |
* @return true if this duration has a total length equal to zero
|
|
566 |
*/
|
|
567 |
public boolean isZero() {
|
|
568 |
return (seconds | nanos) == 0;
|
|
569 |
}
|
|
570 |
|
|
571 |
/**
|
|
572 |
* Checks if this duration is negative, excluding zero.
|
|
573 |
* <p>
|
|
574 |
* A {@code Duration} represents a directed distance between two points on
|
|
575 |
* the time-line and can therefore be positive, zero or negative.
|
|
576 |
* This method checks whether the length is less than zero.
|
|
577 |
*
|
|
578 |
* @return true if this duration has a total length less than zero
|
|
579 |
*/
|
|
580 |
public boolean isNegative() {
|
|
581 |
return seconds < 0;
|
|
582 |
}
|
|
583 |
|
|
584 |
//-----------------------------------------------------------------------
|
|
585 |
/**
|
|
586 |
* Gets the number of seconds in this duration.
|
|
587 |
* <p>
|
|
588 |
* The length of the duration is stored using two fields - seconds and nanoseconds.
|
|
589 |
* The nanoseconds part is a value from 0 to 999,999,999 that is an adjustment to
|
|
590 |
* the length in seconds.
|
|
591 |
* The total duration is defined by calling this method and {@link #getNano()}.
|
|
592 |
* <p>
|
|
593 |
* A {@code Duration} represents a directed distance between two points on the time-line.
|
|
594 |
* A negative duration is expressed by the negative sign of the seconds part.
|
|
595 |
* A duration of -1 nanosecond is stored as -1 seconds plus 999,999,999 nanoseconds.
|
|
596 |
*
|
|
597 |
* @return the whole seconds part of the length of the duration, positive or negative
|
|
598 |
*/
|
|
599 |
public long getSeconds() {
|
|
600 |
return seconds;
|
|
601 |
}
|
|
602 |
|
|
603 |
/**
|
|
604 |
* Gets the number of nanoseconds within the second in this duration.
|
|
605 |
* <p>
|
|
606 |
* The length of the duration is stored using two fields - seconds and nanoseconds.
|
|
607 |
* The nanoseconds part is a value from 0 to 999,999,999 that is an adjustment to
|
|
608 |
* the length in seconds.
|
|
609 |
* The total duration is defined by calling this method and {@link #getSeconds()}.
|
|
610 |
* <p>
|
|
611 |
* A {@code Duration} represents a directed distance between two points on the time-line.
|
|
612 |
* A negative duration is expressed by the negative sign of the seconds part.
|
|
613 |
* A duration of -1 nanosecond is stored as -1 seconds plus 999,999,999 nanoseconds.
|
|
614 |
*
|
|
615 |
* @return the nanoseconds within the second part of the length of the duration, from 0 to 999,999,999
|
|
616 |
*/
|
|
617 |
public int getNano() {
|
|
618 |
return nanos;
|
|
619 |
}
|
|
620 |
|
|
621 |
//-----------------------------------------------------------------------
|
|
622 |
/**
|
15658
|
623 |
* Returns a copy of this duration with the specified amount of seconds.
|
|
624 |
* <p>
|
|
625 |
* This returns a duration with the specified seconds, retaining the
|
|
626 |
* nano-of-second part of this duration.
|
|
627 |
* <p>
|
|
628 |
* This instance is immutable and unaffected by this method call.
|
|
629 |
*
|
|
630 |
* @param seconds the seconds to represent, may be negative
|
|
631 |
* @return a {@code Duration} based on this period with the requested seconds, not null
|
|
632 |
*/
|
|
633 |
public Duration withSeconds(long seconds) {
|
|
634 |
return create(seconds, nanos);
|
|
635 |
}
|
|
636 |
|
|
637 |
/**
|
|
638 |
* Returns a copy of this duration with the specified nano-of-second.
|
|
639 |
* <p>
|
|
640 |
* This returns a duration with the specified nano-of-second, retaining the
|
|
641 |
* seconds part of this duration.
|
|
642 |
* <p>
|
|
643 |
* This instance is immutable and unaffected by this method call.
|
|
644 |
*
|
|
645 |
* @param nanoOfSecond the nano-of-second to represent, from 0 to 999,999,999
|
|
646 |
* @return a {@code Duration} based on this period with the requested nano-of-second, not null
|
|
647 |
* @throws DateTimeException if the nano-of-second is invalid
|
|
648 |
*/
|
|
649 |
public Duration withNanos(int nanoOfSecond) {
|
|
650 |
NANO_OF_SECOND.checkValidIntValue(nanoOfSecond);
|
|
651 |
return create(seconds, nanoOfSecond);
|
|
652 |
}
|
|
653 |
|
|
654 |
//-----------------------------------------------------------------------
|
|
655 |
/**
|
15289
|
656 |
* Returns a copy of this duration with the specified duration added.
|
|
657 |
* <p>
|
|
658 |
* This instance is immutable and unaffected by this method call.
|
|
659 |
*
|
|
660 |
* @param duration the duration to add, positive or negative, not null
|
|
661 |
* @return a {@code Duration} based on this duration with the specified duration added, not null
|
|
662 |
* @throws ArithmeticException if numeric overflow occurs
|
|
663 |
*/
|
|
664 |
public Duration plus(Duration duration) {
|
|
665 |
return plus(duration.getSeconds(), duration.getNano());
|
|
666 |
}
|
|
667 |
|
|
668 |
/**
|
|
669 |
* Returns a copy of this duration with the specified duration added.
|
|
670 |
* <p>
|
|
671 |
* The duration amount is measured in terms of the specified unit.
|
|
672 |
* Only a subset of units are accepted by this method.
|
|
673 |
* The unit must either have an {@linkplain TemporalUnit#isDurationEstimated() exact duration} or
|
|
674 |
* be {@link ChronoUnit#DAYS} which is treated as 24 hours. Other units throw an exception.
|
|
675 |
* <p>
|
|
676 |
* This instance is immutable and unaffected by this method call.
|
|
677 |
*
|
|
678 |
* @param amountToAdd the amount of the period, measured in terms of the unit, positive or negative
|
|
679 |
* @param unit the unit that the period is measured in, must have an exact duration, not null
|
|
680 |
* @return a {@code Duration} based on this duration with the specified duration added, not null
|
16852
|
681 |
* @throws UnsupportedTemporalTypeException if the unit is not supported
|
15289
|
682 |
* @throws ArithmeticException if numeric overflow occurs
|
|
683 |
*/
|
|
684 |
public Duration plus(long amountToAdd, TemporalUnit unit) {
|
|
685 |
Objects.requireNonNull(unit, "unit");
|
|
686 |
if (unit == DAYS) {
|
|
687 |
return plus(Math.multiplyExact(amountToAdd, SECONDS_PER_DAY), 0);
|
|
688 |
}
|
|
689 |
if (unit.isDurationEstimated()) {
|
16852
|
690 |
throw new UnsupportedTemporalTypeException("Unit must not have an estimated duration");
|
15289
|
691 |
}
|
|
692 |
if (amountToAdd == 0) {
|
|
693 |
return this;
|
|
694 |
}
|
|
695 |
if (unit instanceof ChronoUnit) {
|
|
696 |
switch ((ChronoUnit) unit) {
|
|
697 |
case NANOS: return plusNanos(amountToAdd);
|
|
698 |
case MICROS: return plusSeconds((amountToAdd / (1000_000L * 1000)) * 1000).plusNanos((amountToAdd % (1000_000L * 1000)) * 1000);
|
|
699 |
case MILLIS: return plusMillis(amountToAdd);
|
|
700 |
case SECONDS: return plusSeconds(amountToAdd);
|
|
701 |
}
|
|
702 |
return plusSeconds(Math.multiplyExact(unit.getDuration().seconds, amountToAdd));
|
|
703 |
}
|
|
704 |
Duration duration = unit.getDuration().multipliedBy(amountToAdd);
|
|
705 |
return plusSeconds(duration.getSeconds()).plusNanos(duration.getNano());
|
|
706 |
}
|
|
707 |
|
|
708 |
//-----------------------------------------------------------------------
|
|
709 |
/**
|
15658
|
710 |
* Returns a copy of this duration with the specified duration in standard 24 hour days added.
|
|
711 |
* <p>
|
|
712 |
* The number of days is multiplied by 86400 to obtain the number of seconds to add.
|
|
713 |
* This is based on the standard definition of a day as 24 hours.
|
|
714 |
* <p>
|
|
715 |
* This instance is immutable and unaffected by this method call.
|
|
716 |
*
|
|
717 |
* @param daysToAdd the days to add, positive or negative
|
|
718 |
* @return a {@code Duration} based on this duration with the specified days added, not null
|
|
719 |
* @throws ArithmeticException if numeric overflow occurs
|
|
720 |
*/
|
|
721 |
public Duration plusDays(long daysToAdd) {
|
|
722 |
return plus(Math.multiplyExact(daysToAdd, SECONDS_PER_DAY), 0);
|
|
723 |
}
|
|
724 |
|
|
725 |
/**
|
|
726 |
* Returns a copy of this duration with the specified duration in hours added.
|
|
727 |
* <p>
|
|
728 |
* This instance is immutable and unaffected by this method call.
|
|
729 |
*
|
|
730 |
* @param hoursToAdd the hours to add, positive or negative
|
|
731 |
* @return a {@code Duration} based on this duration with the specified hours added, not null
|
|
732 |
* @throws ArithmeticException if numeric overflow occurs
|
|
733 |
*/
|
|
734 |
public Duration plusHours(long hoursToAdd) {
|
|
735 |
return plus(Math.multiplyExact(hoursToAdd, SECONDS_PER_HOUR), 0);
|
|
736 |
}
|
|
737 |
|
|
738 |
/**
|
|
739 |
* Returns a copy of this duration with the specified duration in minutes added.
|
|
740 |
* <p>
|
|
741 |
* This instance is immutable and unaffected by this method call.
|
|
742 |
*
|
|
743 |
* @param minutesToAdd the minutes to add, positive or negative
|
|
744 |
* @return a {@code Duration} based on this duration with the specified minutes added, not null
|
|
745 |
* @throws ArithmeticException if numeric overflow occurs
|
|
746 |
*/
|
|
747 |
public Duration plusMinutes(long minutesToAdd) {
|
|
748 |
return plus(Math.multiplyExact(minutesToAdd, SECONDS_PER_MINUTE), 0);
|
|
749 |
}
|
|
750 |
|
|
751 |
/**
|
15289
|
752 |
* Returns a copy of this duration with the specified duration in seconds added.
|
|
753 |
* <p>
|
|
754 |
* This instance is immutable and unaffected by this method call.
|
|
755 |
*
|
|
756 |
* @param secondsToAdd the seconds to add, positive or negative
|
|
757 |
* @return a {@code Duration} based on this duration with the specified seconds added, not null
|
|
758 |
* @throws ArithmeticException if numeric overflow occurs
|
|
759 |
*/
|
|
760 |
public Duration plusSeconds(long secondsToAdd) {
|
|
761 |
return plus(secondsToAdd, 0);
|
|
762 |
}
|
|
763 |
|
|
764 |
/**
|
|
765 |
* Returns a copy of this duration with the specified duration in milliseconds added.
|
|
766 |
* <p>
|
|
767 |
* This instance is immutable and unaffected by this method call.
|
|
768 |
*
|
|
769 |
* @param millisToAdd the milliseconds to add, positive or negative
|
|
770 |
* @return a {@code Duration} based on this duration with the specified milliseconds added, not null
|
|
771 |
* @throws ArithmeticException if numeric overflow occurs
|
|
772 |
*/
|
|
773 |
public Duration plusMillis(long millisToAdd) {
|
|
774 |
return plus(millisToAdd / 1000, (millisToAdd % 1000) * 1000_000);
|
|
775 |
}
|
|
776 |
|
|
777 |
/**
|
|
778 |
* Returns a copy of this duration with the specified duration in nanoseconds added.
|
|
779 |
* <p>
|
|
780 |
* This instance is immutable and unaffected by this method call.
|
|
781 |
*
|
|
782 |
* @param nanosToAdd the nanoseconds to add, positive or negative
|
|
783 |
* @return a {@code Duration} based on this duration with the specified nanoseconds added, not null
|
|
784 |
* @throws ArithmeticException if numeric overflow occurs
|
|
785 |
*/
|
|
786 |
public Duration plusNanos(long nanosToAdd) {
|
|
787 |
return plus(0, nanosToAdd);
|
|
788 |
}
|
|
789 |
|
|
790 |
/**
|
|
791 |
* Returns a copy of this duration with the specified duration added.
|
|
792 |
* <p>
|
|
793 |
* This instance is immutable and unaffected by this method call.
|
|
794 |
*
|
|
795 |
* @param secondsToAdd the seconds to add, positive or negative
|
|
796 |
* @param nanosToAdd the nanos to add, positive or negative
|
|
797 |
* @return a {@code Duration} based on this duration with the specified seconds added, not null
|
|
798 |
* @throws ArithmeticException if numeric overflow occurs
|
|
799 |
*/
|
|
800 |
private Duration plus(long secondsToAdd, long nanosToAdd) {
|
|
801 |
if ((secondsToAdd | nanosToAdd) == 0) {
|
|
802 |
return this;
|
|
803 |
}
|
|
804 |
long epochSec = Math.addExact(seconds, secondsToAdd);
|
|
805 |
epochSec = Math.addExact(epochSec, nanosToAdd / NANOS_PER_SECOND);
|
|
806 |
nanosToAdd = nanosToAdd % NANOS_PER_SECOND;
|
|
807 |
long nanoAdjustment = nanos + nanosToAdd; // safe int+NANOS_PER_SECOND
|
|
808 |
return ofSeconds(epochSec, nanoAdjustment);
|
|
809 |
}
|
|
810 |
|
|
811 |
//-----------------------------------------------------------------------
|
|
812 |
/**
|
|
813 |
* Returns a copy of this duration with the specified duration subtracted.
|
|
814 |
* <p>
|
|
815 |
* This instance is immutable and unaffected by this method call.
|
|
816 |
*
|
|
817 |
* @param duration the duration to subtract, positive or negative, not null
|
|
818 |
* @return a {@code Duration} based on this duration with the specified duration subtracted, not null
|
|
819 |
* @throws ArithmeticException if numeric overflow occurs
|
|
820 |
*/
|
|
821 |
public Duration minus(Duration duration) {
|
|
822 |
long secsToSubtract = duration.getSeconds();
|
|
823 |
int nanosToSubtract = duration.getNano();
|
|
824 |
if (secsToSubtract == Long.MIN_VALUE) {
|
|
825 |
return plus(Long.MAX_VALUE, -nanosToSubtract).plus(1, 0);
|
|
826 |
}
|
|
827 |
return plus(-secsToSubtract, -nanosToSubtract);
|
|
828 |
}
|
|
829 |
|
|
830 |
/**
|
|
831 |
* Returns a copy of this duration with the specified duration subtracted.
|
|
832 |
* <p>
|
|
833 |
* The duration amount is measured in terms of the specified unit.
|
|
834 |
* Only a subset of units are accepted by this method.
|
|
835 |
* The unit must either have an {@linkplain TemporalUnit#isDurationEstimated() exact duration} or
|
|
836 |
* be {@link ChronoUnit#DAYS} which is treated as 24 hours. Other units throw an exception.
|
|
837 |
* <p>
|
|
838 |
* This instance is immutable and unaffected by this method call.
|
|
839 |
*
|
|
840 |
* @param amountToSubtract the amount of the period, measured in terms of the unit, positive or negative
|
|
841 |
* @param unit the unit that the period is measured in, must have an exact duration, not null
|
|
842 |
* @return a {@code Duration} based on this duration with the specified duration subtracted, not null
|
|
843 |
* @throws ArithmeticException if numeric overflow occurs
|
|
844 |
*/
|
|
845 |
public Duration minus(long amountToSubtract, TemporalUnit unit) {
|
|
846 |
return (amountToSubtract == Long.MIN_VALUE ? plus(Long.MAX_VALUE, unit).plus(1, unit) : plus(-amountToSubtract, unit));
|
|
847 |
}
|
|
848 |
|
|
849 |
//-----------------------------------------------------------------------
|
|
850 |
/**
|
15658
|
851 |
* Returns a copy of this duration with the specified duration in standard 24 hour days subtracted.
|
|
852 |
* <p>
|
|
853 |
* The number of days is multiplied by 86400 to obtain the number of seconds to subtract.
|
|
854 |
* This is based on the standard definition of a day as 24 hours.
|
|
855 |
* <p>
|
|
856 |
* This instance is immutable and unaffected by this method call.
|
|
857 |
*
|
|
858 |
* @param daysToSubtract the days to subtract, positive or negative
|
|
859 |
* @return a {@code Duration} based on this duration with the specified days subtracted, not null
|
|
860 |
* @throws ArithmeticException if numeric overflow occurs
|
|
861 |
*/
|
|
862 |
public Duration minusDays(long daysToSubtract) {
|
|
863 |
return (daysToSubtract == Long.MIN_VALUE ? plusDays(Long.MAX_VALUE).plusDays(1) : plusDays(-daysToSubtract));
|
|
864 |
}
|
|
865 |
|
|
866 |
/**
|
|
867 |
* Returns a copy of this duration with the specified duration in hours subtracted.
|
|
868 |
* <p>
|
|
869 |
* The number of hours is multiplied by 3600 to obtain the number of seconds to subtract.
|
|
870 |
* <p>
|
|
871 |
* This instance is immutable and unaffected by this method call.
|
|
872 |
*
|
|
873 |
* @param hoursToSubtract the hours to subtract, positive or negative
|
|
874 |
* @return a {@code Duration} based on this duration with the specified hours subtracted, not null
|
|
875 |
* @throws ArithmeticException if numeric overflow occurs
|
|
876 |
*/
|
|
877 |
public Duration minusHours(long hoursToSubtract) {
|
|
878 |
return (hoursToSubtract == Long.MIN_VALUE ? plusHours(Long.MAX_VALUE).plusHours(1) : plusHours(-hoursToSubtract));
|
|
879 |
}
|
|
880 |
|
|
881 |
/**
|
|
882 |
* Returns a copy of this duration with the specified duration in minutes subtracted.
|
|
883 |
* <p>
|
|
884 |
* The number of hours is multiplied by 60 to obtain the number of seconds to subtract.
|
|
885 |
* <p>
|
|
886 |
* This instance is immutable and unaffected by this method call.
|
|
887 |
*
|
|
888 |
* @param minutesToSubtract the minutes to subtract, positive or negative
|
|
889 |
* @return a {@code Duration} based on this duration with the specified minutes subtracted, not null
|
|
890 |
* @throws ArithmeticException if numeric overflow occurs
|
|
891 |
*/
|
|
892 |
public Duration minusMinutes(long minutesToSubtract) {
|
|
893 |
return (minutesToSubtract == Long.MIN_VALUE ? plusMinutes(Long.MAX_VALUE).plusMinutes(1) : plusMinutes(-minutesToSubtract));
|
|
894 |
}
|
|
895 |
|
|
896 |
/**
|
15289
|
897 |
* Returns a copy of this duration with the specified duration in seconds subtracted.
|
|
898 |
* <p>
|
|
899 |
* This instance is immutable and unaffected by this method call.
|
|
900 |
*
|
|
901 |
* @param secondsToSubtract the seconds to subtract, positive or negative
|
|
902 |
* @return a {@code Duration} based on this duration with the specified seconds subtracted, not null
|
|
903 |
* @throws ArithmeticException if numeric overflow occurs
|
|
904 |
*/
|
|
905 |
public Duration minusSeconds(long secondsToSubtract) {
|
|
906 |
return (secondsToSubtract == Long.MIN_VALUE ? plusSeconds(Long.MAX_VALUE).plusSeconds(1) : plusSeconds(-secondsToSubtract));
|
|
907 |
}
|
|
908 |
|
|
909 |
/**
|
|
910 |
* Returns a copy of this duration with the specified duration in milliseconds subtracted.
|
|
911 |
* <p>
|
|
912 |
* This instance is immutable and unaffected by this method call.
|
|
913 |
*
|
|
914 |
* @param millisToSubtract the milliseconds to subtract, positive or negative
|
|
915 |
* @return a {@code Duration} based on this duration with the specified milliseconds subtracted, not null
|
|
916 |
* @throws ArithmeticException if numeric overflow occurs
|
|
917 |
*/
|
|
918 |
public Duration minusMillis(long millisToSubtract) {
|
|
919 |
return (millisToSubtract == Long.MIN_VALUE ? plusMillis(Long.MAX_VALUE).plusMillis(1) : plusMillis(-millisToSubtract));
|
|
920 |
}
|
|
921 |
|
|
922 |
/**
|
|
923 |
* Returns a copy of this duration with the specified duration in nanoseconds subtracted.
|
|
924 |
* <p>
|
|
925 |
* This instance is immutable and unaffected by this method call.
|
|
926 |
*
|
|
927 |
* @param nanosToSubtract the nanoseconds to subtract, positive or negative
|
|
928 |
* @return a {@code Duration} based on this duration with the specified nanoseconds subtracted, not null
|
|
929 |
* @throws ArithmeticException if numeric overflow occurs
|
|
930 |
*/
|
|
931 |
public Duration minusNanos(long nanosToSubtract) {
|
|
932 |
return (nanosToSubtract == Long.MIN_VALUE ? plusNanos(Long.MAX_VALUE).plusNanos(1) : plusNanos(-nanosToSubtract));
|
|
933 |
}
|
|
934 |
|
|
935 |
//-----------------------------------------------------------------------
|
|
936 |
/**
|
|
937 |
* Returns a copy of this duration multiplied by the scalar.
|
|
938 |
* <p>
|
|
939 |
* This instance is immutable and unaffected by this method call.
|
|
940 |
*
|
|
941 |
* @param multiplicand the value to multiply the duration by, positive or negative
|
|
942 |
* @return a {@code Duration} based on this duration multiplied by the specified scalar, not null
|
|
943 |
* @throws ArithmeticException if numeric overflow occurs
|
|
944 |
*/
|
|
945 |
public Duration multipliedBy(long multiplicand) {
|
|
946 |
if (multiplicand == 0) {
|
|
947 |
return ZERO;
|
|
948 |
}
|
|
949 |
if (multiplicand == 1) {
|
|
950 |
return this;
|
|
951 |
}
|
|
952 |
return create(toSeconds().multiply(BigDecimal.valueOf(multiplicand)));
|
|
953 |
}
|
|
954 |
|
|
955 |
/**
|
|
956 |
* Returns a copy of this duration divided by the specified value.
|
|
957 |
* <p>
|
|
958 |
* This instance is immutable and unaffected by this method call.
|
|
959 |
*
|
|
960 |
* @param divisor the value to divide the duration by, positive or negative, not zero
|
|
961 |
* @return a {@code Duration} based on this duration divided by the specified divisor, not null
|
15658
|
962 |
* @throws ArithmeticException if the divisor is zero or if numeric overflow occurs
|
15289
|
963 |
*/
|
|
964 |
public Duration dividedBy(long divisor) {
|
|
965 |
if (divisor == 0) {
|
|
966 |
throw new ArithmeticException("Cannot divide by zero");
|
|
967 |
}
|
|
968 |
if (divisor == 1) {
|
|
969 |
return this;
|
|
970 |
}
|
|
971 |
return create(toSeconds().divide(BigDecimal.valueOf(divisor), RoundingMode.DOWN));
|
|
972 |
}
|
|
973 |
|
|
974 |
/**
|
|
975 |
* Converts this duration to the total length in seconds and
|
|
976 |
* fractional nanoseconds expressed as a {@code BigDecimal}.
|
|
977 |
*
|
|
978 |
* @return the total length of the duration in seconds, with a scale of 9, not null
|
|
979 |
*/
|
|
980 |
private BigDecimal toSeconds() {
|
|
981 |
return BigDecimal.valueOf(seconds).add(BigDecimal.valueOf(nanos, 9));
|
|
982 |
}
|
|
983 |
|
|
984 |
/**
|
|
985 |
* Creates an instance of {@code Duration} from a number of seconds.
|
|
986 |
*
|
|
987 |
* @param seconds the number of seconds, up to scale 9, positive or negative
|
|
988 |
* @return a {@code Duration}, not null
|
|
989 |
* @throws ArithmeticException if numeric overflow occurs
|
|
990 |
*/
|
|
991 |
private static Duration create(BigDecimal seconds) {
|
|
992 |
BigInteger nanos = seconds.movePointRight(9).toBigIntegerExact();
|
|
993 |
BigInteger[] divRem = nanos.divideAndRemainder(BI_NANOS_PER_SECOND);
|
|
994 |
if (divRem[0].bitLength() > 63) {
|
|
995 |
throw new ArithmeticException("Exceeds capacity of Duration: " + nanos);
|
|
996 |
}
|
|
997 |
return ofSeconds(divRem[0].longValue(), divRem[1].intValue());
|
|
998 |
}
|
|
999 |
|
|
1000 |
//-----------------------------------------------------------------------
|
|
1001 |
/**
|
|
1002 |
* Returns a copy of this duration with the length negated.
|
|
1003 |
* <p>
|
|
1004 |
* This method swaps the sign of the total length of this duration.
|
|
1005 |
* For example, {@code PT1.3S} will be returned as {@code PT-1.3S}.
|
|
1006 |
* <p>
|
|
1007 |
* This instance is immutable and unaffected by this method call.
|
|
1008 |
*
|
|
1009 |
* @return a {@code Duration} based on this duration with the amount negated, not null
|
|
1010 |
* @throws ArithmeticException if numeric overflow occurs
|
|
1011 |
*/
|
|
1012 |
public Duration negated() {
|
|
1013 |
return multipliedBy(-1);
|
|
1014 |
}
|
|
1015 |
|
|
1016 |
/**
|
|
1017 |
* Returns a copy of this duration with a positive length.
|
|
1018 |
* <p>
|
|
1019 |
* This method returns a positive duration by effectively removing the sign from any negative total length.
|
|
1020 |
* For example, {@code PT-1.3S} will be returned as {@code PT1.3S}.
|
|
1021 |
* <p>
|
|
1022 |
* This instance is immutable and unaffected by this method call.
|
|
1023 |
*
|
|
1024 |
* @return a {@code Duration} based on this duration with an absolute length, not null
|
|
1025 |
* @throws ArithmeticException if numeric overflow occurs
|
|
1026 |
*/
|
|
1027 |
public Duration abs() {
|
|
1028 |
return isNegative() ? negated() : this;
|
|
1029 |
}
|
|
1030 |
|
|
1031 |
//-------------------------------------------------------------------------
|
|
1032 |
/**
|
|
1033 |
* Adds this duration to the specified temporal object.
|
|
1034 |
* <p>
|
|
1035 |
* This returns a temporal object of the same observable type as the input
|
|
1036 |
* with this duration added.
|
|
1037 |
* <p>
|
|
1038 |
* In most cases, it is clearer to reverse the calling pattern by using
|
15658
|
1039 |
* {@link Temporal#plus(TemporalAmount)}.
|
15289
|
1040 |
* <pre>
|
|
1041 |
* // these two lines are equivalent, but the second approach is recommended
|
|
1042 |
* dateTime = thisDuration.addTo(dateTime);
|
|
1043 |
* dateTime = dateTime.plus(thisDuration);
|
|
1044 |
* </pre>
|
|
1045 |
* <p>
|
15658
|
1046 |
* The calculation will add the seconds, then nanos.
|
|
1047 |
* Only non-zero amounts will be added.
|
15289
|
1048 |
* <p>
|
|
1049 |
* This instance is immutable and unaffected by this method call.
|
|
1050 |
*
|
|
1051 |
* @param temporal the temporal object to adjust, not null
|
|
1052 |
* @return an object of the same type with the adjustment made, not null
|
|
1053 |
* @throws DateTimeException if unable to add
|
|
1054 |
* @throws ArithmeticException if numeric overflow occurs
|
|
1055 |
*/
|
|
1056 |
@Override
|
|
1057 |
public Temporal addTo(Temporal temporal) {
|
15658
|
1058 |
if (seconds != 0) {
|
|
1059 |
temporal = temporal.plus(seconds, SECONDS);
|
|
1060 |
}
|
|
1061 |
if (nanos != 0) {
|
|
1062 |
temporal = temporal.plus(nanos, NANOS);
|
|
1063 |
}
|
|
1064 |
return temporal;
|
15289
|
1065 |
}
|
|
1066 |
|
|
1067 |
/**
|
|
1068 |
* Subtracts this duration from the specified temporal object.
|
|
1069 |
* <p>
|
|
1070 |
* This returns a temporal object of the same observable type as the input
|
|
1071 |
* with this duration subtracted.
|
|
1072 |
* <p>
|
|
1073 |
* In most cases, it is clearer to reverse the calling pattern by using
|
15658
|
1074 |
* {@link Temporal#minus(TemporalAmount)}.
|
15289
|
1075 |
* <pre>
|
|
1076 |
* // these two lines are equivalent, but the second approach is recommended
|
|
1077 |
* dateTime = thisDuration.subtractFrom(dateTime);
|
|
1078 |
* dateTime = dateTime.minus(thisDuration);
|
|
1079 |
* </pre>
|
|
1080 |
* <p>
|
15658
|
1081 |
* The calculation will subtract the seconds, then nanos.
|
|
1082 |
* Only non-zero amounts will be added.
|
15289
|
1083 |
* <p>
|
|
1084 |
* This instance is immutable and unaffected by this method call.
|
|
1085 |
*
|
|
1086 |
* @param temporal the temporal object to adjust, not null
|
|
1087 |
* @return an object of the same type with the adjustment made, not null
|
|
1088 |
* @throws DateTimeException if unable to subtract
|
|
1089 |
* @throws ArithmeticException if numeric overflow occurs
|
|
1090 |
*/
|
|
1091 |
@Override
|
|
1092 |
public Temporal subtractFrom(Temporal temporal) {
|
15658
|
1093 |
if (seconds != 0) {
|
|
1094 |
temporal = temporal.minus(seconds, SECONDS);
|
|
1095 |
}
|
|
1096 |
if (nanos != 0) {
|
|
1097 |
temporal = temporal.minus(nanos, NANOS);
|
|
1098 |
}
|
|
1099 |
return temporal;
|
15289
|
1100 |
}
|
|
1101 |
|
|
1102 |
//-----------------------------------------------------------------------
|
|
1103 |
/**
|
15658
|
1104 |
* Gets the number of minutes in this duration.
|
|
1105 |
* <p>
|
|
1106 |
* This returns the total number of minutes in the duration by dividing the
|
|
1107 |
* number of seconds by 86400.
|
|
1108 |
* This is based on the standard definition of a day as 24 hours.
|
|
1109 |
* <p>
|
|
1110 |
* This instance is immutable and unaffected by this method call.
|
|
1111 |
*
|
|
1112 |
* @return the number of minutes in the duration, may be negative
|
|
1113 |
*/
|
|
1114 |
public long toDays() {
|
|
1115 |
return seconds / SECONDS_PER_DAY;
|
|
1116 |
}
|
|
1117 |
|
|
1118 |
/**
|
|
1119 |
* Gets the number of minutes in this duration.
|
|
1120 |
* <p>
|
|
1121 |
* This returns the total number of minutes in the duration by dividing the
|
|
1122 |
* number of seconds by 3600.
|
|
1123 |
* <p>
|
|
1124 |
* This instance is immutable and unaffected by this method call.
|
|
1125 |
*
|
|
1126 |
* @return the number of minutes in the duration, may be negative
|
|
1127 |
*/
|
|
1128 |
public long toHours() {
|
|
1129 |
return seconds / SECONDS_PER_HOUR;
|
|
1130 |
}
|
|
1131 |
|
|
1132 |
/**
|
|
1133 |
* Gets the number of minutes in this duration.
|
|
1134 |
* <p>
|
|
1135 |
* This returns the total number of minutes in the duration by dividing the
|
|
1136 |
* number of seconds by 60.
|
|
1137 |
* <p>
|
|
1138 |
* This instance is immutable and unaffected by this method call.
|
|
1139 |
*
|
|
1140 |
* @return the number of minutes in the duration, may be negative
|
|
1141 |
*/
|
|
1142 |
public long toMinutes() {
|
|
1143 |
return seconds / SECONDS_PER_MINUTE;
|
|
1144 |
}
|
|
1145 |
|
|
1146 |
/**
|
15289
|
1147 |
* Converts this duration to the total length in milliseconds.
|
|
1148 |
* <p>
|
|
1149 |
* If this duration is too large to fit in a {@code long} milliseconds, then an
|
|
1150 |
* exception is thrown.
|
|
1151 |
* <p>
|
|
1152 |
* If this duration has greater than millisecond precision, then the conversion
|
|
1153 |
* will drop any excess precision information as though the amount in nanoseconds
|
|
1154 |
* was subject to integer division by one million.
|
|
1155 |
*
|
|
1156 |
* @return the total length of the duration in milliseconds
|
|
1157 |
* @throws ArithmeticException if numeric overflow occurs
|
|
1158 |
*/
|
|
1159 |
public long toMillis() {
|
|
1160 |
long millis = Math.multiplyExact(seconds, 1000);
|
|
1161 |
millis = Math.addExact(millis, nanos / 1000_000);
|
|
1162 |
return millis;
|
|
1163 |
}
|
|
1164 |
|
|
1165 |
/**
|
|
1166 |
* Converts this duration to the total length in nanoseconds expressed as a {@code long}.
|
|
1167 |
* <p>
|
|
1168 |
* If this duration is too large to fit in a {@code long} nanoseconds, then an
|
|
1169 |
* exception is thrown.
|
|
1170 |
*
|
|
1171 |
* @return the total length of the duration in nanoseconds
|
|
1172 |
* @throws ArithmeticException if numeric overflow occurs
|
|
1173 |
*/
|
|
1174 |
public long toNanos() {
|
16852
|
1175 |
long totalNanos = Math.multiplyExact(seconds, NANOS_PER_SECOND);
|
|
1176 |
totalNanos = Math.addExact(totalNanos, nanos);
|
|
1177 |
return totalNanos;
|
15289
|
1178 |
}
|
|
1179 |
|
|
1180 |
//-----------------------------------------------------------------------
|
|
1181 |
/**
|
|
1182 |
* Compares this duration to the specified {@code Duration}.
|
|
1183 |
* <p>
|
|
1184 |
* The comparison is based on the total length of the durations.
|
|
1185 |
* It is "consistent with equals", as defined by {@link Comparable}.
|
|
1186 |
*
|
|
1187 |
* @param otherDuration the other duration to compare to, not null
|
|
1188 |
* @return the comparator value, negative if less, positive if greater
|
|
1189 |
*/
|
|
1190 |
@Override
|
|
1191 |
public int compareTo(Duration otherDuration) {
|
|
1192 |
int cmp = Long.compare(seconds, otherDuration.seconds);
|
|
1193 |
if (cmp != 0) {
|
|
1194 |
return cmp;
|
|
1195 |
}
|
|
1196 |
return nanos - otherDuration.nanos;
|
|
1197 |
}
|
|
1198 |
|
|
1199 |
//-----------------------------------------------------------------------
|
|
1200 |
/**
|
|
1201 |
* Checks if this duration is equal to the specified {@code Duration}.
|
|
1202 |
* <p>
|
|
1203 |
* The comparison is based on the total length of the durations.
|
|
1204 |
*
|
|
1205 |
* @param otherDuration the other duration, null returns false
|
|
1206 |
* @return true if the other duration is equal to this one
|
|
1207 |
*/
|
|
1208 |
@Override
|
|
1209 |
public boolean equals(Object otherDuration) {
|
|
1210 |
if (this == otherDuration) {
|
|
1211 |
return true;
|
|
1212 |
}
|
|
1213 |
if (otherDuration instanceof Duration) {
|
|
1214 |
Duration other = (Duration) otherDuration;
|
|
1215 |
return this.seconds == other.seconds &&
|
|
1216 |
this.nanos == other.nanos;
|
|
1217 |
}
|
|
1218 |
return false;
|
|
1219 |
}
|
|
1220 |
|
|
1221 |
/**
|
|
1222 |
* A hash code for this duration.
|
|
1223 |
*
|
|
1224 |
* @return a suitable hash code
|
|
1225 |
*/
|
|
1226 |
@Override
|
|
1227 |
public int hashCode() {
|
|
1228 |
return ((int) (seconds ^ (seconds >>> 32))) + (51 * nanos);
|
|
1229 |
}
|
|
1230 |
|
|
1231 |
//-----------------------------------------------------------------------
|
|
1232 |
/**
|
|
1233 |
* A string representation of this duration using ISO-8601 seconds
|
15658
|
1234 |
* based representation, such as {@code PT8H6M12.345S}.
|
|
1235 |
* <p>
|
|
1236 |
* The format of the returned string will be {@code PTnHnMnS}, where n is
|
|
1237 |
* the relevant hours, minutes or seconds part of the duration.
|
|
1238 |
* Any fractional seconds are placed after a decimal point i the seconds section.
|
|
1239 |
* If a section has a zero value, it is omitted.
|
|
1240 |
* The hours, minutes and seconds will all have the same sign.
|
15289
|
1241 |
* <p>
|
15658
|
1242 |
* Examples:
|
|
1243 |
* <pre>
|
16852
|
1244 |
* "20.345 seconds" -- "PT20.345S
|
|
1245 |
* "15 minutes" (15 * 60 seconds) -- "PT15M"
|
|
1246 |
* "10 hours" (10 * 3600 seconds) -- "PT10H"
|
|
1247 |
* "2 days" (2 * 86400 seconds) -- "PT48H"
|
15658
|
1248 |
* </pre>
|
|
1249 |
* Note that multiples of 24 hours are not output as days to avoid confusion
|
|
1250 |
* with {@code Period}.
|
15289
|
1251 |
*
|
|
1252 |
* @return an ISO-8601 representation of this duration, not null
|
|
1253 |
*/
|
|
1254 |
@Override
|
|
1255 |
public String toString() {
|
15658
|
1256 |
if (this == ZERO) {
|
|
1257 |
return "PT0S";
|
|
1258 |
}
|
|
1259 |
long hours = seconds / SECONDS_PER_HOUR;
|
|
1260 |
int minutes = (int) ((seconds % SECONDS_PER_HOUR) / SECONDS_PER_MINUTE);
|
|
1261 |
int secs = (int) (seconds % SECONDS_PER_MINUTE);
|
15289
|
1262 |
StringBuilder buf = new StringBuilder(24);
|
|
1263 |
buf.append("PT");
|
15658
|
1264 |
if (hours != 0) {
|
|
1265 |
buf.append(hours).append('H');
|
|
1266 |
}
|
|
1267 |
if (minutes != 0) {
|
|
1268 |
buf.append(minutes).append('M');
|
|
1269 |
}
|
|
1270 |
if (secs == 0 && nanos == 0 && buf.length() > 2) {
|
|
1271 |
return buf.toString();
|
|
1272 |
}
|
|
1273 |
if (secs < 0 && nanos > 0) {
|
|
1274 |
if (secs == -1) {
|
15289
|
1275 |
buf.append("-0");
|
|
1276 |
} else {
|
15658
|
1277 |
buf.append(secs + 1);
|
15289
|
1278 |
}
|
|
1279 |
} else {
|
15658
|
1280 |
buf.append(secs);
|
15289
|
1281 |
}
|
|
1282 |
if (nanos > 0) {
|
|
1283 |
int pos = buf.length();
|
15658
|
1284 |
if (secs < 0) {
|
15289
|
1285 |
buf.append(2 * NANOS_PER_SECOND - nanos);
|
|
1286 |
} else {
|
|
1287 |
buf.append(nanos + NANOS_PER_SECOND);
|
|
1288 |
}
|
|
1289 |
while (buf.charAt(buf.length() - 1) == '0') {
|
|
1290 |
buf.setLength(buf.length() - 1);
|
|
1291 |
}
|
|
1292 |
buf.setCharAt(pos, '.');
|
|
1293 |
}
|
|
1294 |
buf.append('S');
|
|
1295 |
return buf.toString();
|
|
1296 |
}
|
|
1297 |
|
|
1298 |
//-----------------------------------------------------------------------
|
|
1299 |
/**
|
|
1300 |
* Writes the object using a
|
|
1301 |
* <a href="../../serialized-form.html#java.time.Ser">dedicated serialized form</a>.
|
|
1302 |
* <pre>
|
|
1303 |
* out.writeByte(1); // identifies this as a Duration
|
|
1304 |
* out.writeLong(seconds);
|
|
1305 |
* out.writeInt(nanos);
|
|
1306 |
* </pre>
|
|
1307 |
*
|
|
1308 |
* @return the instance of {@code Ser}, not null
|
|
1309 |
*/
|
|
1310 |
private Object writeReplace() {
|
|
1311 |
return new Ser(Ser.DURATION_TYPE, this);
|
|
1312 |
}
|
|
1313 |
|
|
1314 |
/**
|
|
1315 |
* Defend against malicious streams.
|
|
1316 |
* @return never
|
|
1317 |
* @throws InvalidObjectException always
|
|
1318 |
*/
|
|
1319 |
private Object readResolve() throws ObjectStreamException {
|
|
1320 |
throw new InvalidObjectException("Deserialization via serialization delegate");
|
|
1321 |
}
|
|
1322 |
|
|
1323 |
void writeExternal(DataOutput out) throws IOException {
|
|
1324 |
out.writeLong(seconds);
|
|
1325 |
out.writeInt(nanos);
|
|
1326 |
}
|
|
1327 |
|
|
1328 |
static Duration readExternal(DataInput in) throws IOException {
|
|
1329 |
long seconds = in.readLong();
|
|
1330 |
int nanos = in.readInt();
|
|
1331 |
return Duration.ofSeconds(seconds, nanos);
|
|
1332 |
}
|
|
1333 |
|
|
1334 |
}
|