[15755] | 1 | // License: GPL. For details, see LICENSE file.
|
---|
| 2 | package org.openstreetmap.josm.tools;
|
---|
| 3 |
|
---|
[16069] | 4 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
| 5 |
|
---|
[15755] | 6 | /**
|
---|
| 7 | * Measures elapsed time in milliseconds
|
---|
| 8 | *
|
---|
| 9 | * @see <a href="https://guava.dev/releases/snapshot-jre/api/docs/com/google/common/base/Stopwatch.html">Stopwatch in Guava</a>
|
---|
| 10 | * @since 15755
|
---|
| 11 | */
|
---|
| 12 | public final class Stopwatch {
|
---|
| 13 | private final long start;
|
---|
| 14 |
|
---|
| 15 | private Stopwatch(long start) {
|
---|
| 16 | this.start = start;
|
---|
| 17 | }
|
---|
| 18 |
|
---|
| 19 | /**
|
---|
| 20 | * Creates and starts a stopwatch
|
---|
| 21 | *
|
---|
| 22 | * @return the started stopwatch
|
---|
| 23 | */
|
---|
| 24 | public static Stopwatch createStarted() {
|
---|
| 25 | return new Stopwatch(System.currentTimeMillis());
|
---|
| 26 | }
|
---|
| 27 |
|
---|
| 28 | /**
|
---|
| 29 | * Returns the elapsed milliseconds
|
---|
| 30 | *
|
---|
| 31 | * @return the elapsed milliseconds
|
---|
| 32 | */
|
---|
| 33 | public long elapsed() {
|
---|
| 34 | return System.currentTimeMillis() - start;
|
---|
| 35 | }
|
---|
| 36 |
|
---|
| 37 | /**
|
---|
| 38 | * Formats the duration since start as string
|
---|
| 39 | *
|
---|
| 40 | * @return the duration since start as string
|
---|
| 41 | * @see Utils#getDurationString(long)
|
---|
| 42 | */
|
---|
| 43 | @Override
|
---|
| 44 | public String toString() {
|
---|
| 45 | // fix #11567 where elapsedTime is < 0
|
---|
| 46 | return Utils.getDurationString(Math.max(0, elapsed()));
|
---|
| 47 | }
|
---|
[16069] | 48 |
|
---|
| 49 | /**
|
---|
| 50 | * Formats the given task name and duration since start as i18n string
|
---|
| 51 | * @param taskName the task name
|
---|
| 52 | * @return the task name and duration since start as i18n string
|
---|
| 53 | */
|
---|
| 54 | public String toString(String taskName) {
|
---|
| 55 | return tr("{0} completed in {1}", taskName, toString());
|
---|
| 56 | }
|
---|
[15755] | 57 | }
|
---|