| // CHECKSTYLE_OFF: Copyrighted to members of JCP JSR-166 Expert Group. |
| /* |
| * This file is a modified version of |
| * http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166/src/main/java/util/concurrent/TimeUnit.java |
| * which contained the following notice: |
| * |
| * Written by Doug Lea with assistance from members of JCP JSR-166 |
| * Expert Group and released to the public domain, as explained at |
| * http://creativecommons.org/publicdomain/zero/1.0/ |
| */ |
| // CHECKSTYLE_ON |
| |
| package java.util.concurrent; |
| |
| /** |
| * GWT emulation of TimeUnit, created by removing unsupported operations from |
| * Doug Lea's public domain version. |
| */ |
| public enum TimeUnit { |
| NANOSECONDS { |
| public long toNanos(long d) { return d; } |
| public long toMicros(long d) { return d / C1_C0; } |
| public long toMillis(long d) { return d / C2_C0; } |
| public long toSeconds(long d) { return d / C3_C0; } |
| public long toMinutes(long d) { return d / C4_C0; } |
| public long toHours(long d) { return d / C5_C0; } |
| public long toDays(long d) { return d / C6_C0; } |
| public long convert(long d, TimeUnit u) { return u.toNanos(d); } |
| }, |
| MICROSECONDS { |
| public long toNanos(long d) { return x(d, C1_C0, MAX_C1_C0); } |
| public long toMicros(long d) { return d; } |
| public long toMillis(long d) { return d / C2_C1; } |
| public long toSeconds(long d) { return d / C3_C1; } |
| public long toMinutes(long d) { return d / C4_C1; } |
| public long toHours(long d) { return d / C5_C1; } |
| public long toDays(long d) { return d / C6_C1; } |
| public long convert(long d, TimeUnit u) { return u.toMicros(d); } |
| }, |
| MILLISECONDS { |
| public long toNanos(long d) { return x(d, C2_C0, MAX_C2_C0); } |
| public long toMicros(long d) { return x(d, C2_C1, MAX_C2_C1); } |
| public long toMillis(long d) { return d; } |
| public long toSeconds(long d) { return d / C3_C2; } |
| public long toMinutes(long d) { return d / C4_C2; } |
| public long toHours(long d) { return d / C5_C2; } |
| public long toDays(long d) { return d / C6_C2; } |
| public long convert(long d, TimeUnit u) { return u.toMillis(d); } |
| }, |
| SECONDS { |
| public long toNanos(long d) { return x(d, C3_C0, MAX_C3_C0); } |
| public long toMicros(long d) { return x(d, C3_C1, MAX_C3_C1); } |
| public long toMillis(long d) { return x(d, C3_C2, MAX_C3_C2); } |
| public long toSeconds(long d) { return d; } |
| public long toMinutes(long d) { return d / C4_C3; } |
| public long toHours(long d) { return d / C5_C3; } |
| public long toDays(long d) { return d / C6_C3; } |
| public long convert(long d, TimeUnit u) { return u.toSeconds(d); } |
| }, |
| MINUTES { |
| public long toNanos(long d) { return x(d, C4_C0, MAX_C4_C0); } |
| public long toMicros(long d) { return x(d, C4_C1, MAX_C4_C1); } |
| public long toMillis(long d) { return x(d, C4_C2, MAX_C4_C2); } |
| public long toSeconds(long d) { return x(d, C4_C3, MAX_C4_C3); } |
| public long toMinutes(long d) { return d; } |
| public long toHours(long d) { return d / C5_C4; } |
| public long toDays(long d) { return d / C6_C4; } |
| public long convert(long d, TimeUnit u) { return u.toMinutes(d); } |
| }, |
| HOURS { |
| public long toNanos(long d) { return x(d, C5_C0, MAX_C5_C0); } |
| public long toMicros(long d) { return x(d, C5_C1, MAX_C5_C1); } |
| public long toMillis(long d) { return x(d, C5_C2, MAX_C5_C2); } |
| public long toSeconds(long d) { return x(d, C5_C3, MAX_C5_C3); } |
| public long toMinutes(long d) { return x(d, C5_C4, MAX_C5_C4); } |
| public long toHours(long d) { return d; } |
| public long toDays(long d) { return d / C6_C5; } |
| public long convert(long d, TimeUnit u) { return u.toHours(d); } |
| }, |
| DAYS { |
| public long toNanos(long d) { return x(d, C6_C0, MAX_C6_C0); } |
| public long toMicros(long d) { return x(d, C6_C1, MAX_C6_C1); } |
| public long toMillis(long d) { return x(d, C6_C2, MAX_C6_C2); } |
| public long toSeconds(long d) { return x(d, C6_C3, MAX_C6_C3); } |
| public long toMinutes(long d) { return x(d, C6_C4, MAX_C6_C4); } |
| public long toHours(long d) { return x(d, C6_C5, MAX_C6_C5); } |
| public long toDays(long d) { return d; } |
| public long convert(long d, TimeUnit u) { return u.toDays(d); } |
| }; |
| |
| // Handy constants for conversion methods |
| private static final long C0 = 1L; |
| private static final long C1 = C0 * 1000L; |
| private static final long C2 = C1 * 1000L; |
| private static final long C3 = C2 * 1000L; |
| private static final long C4 = C3 * 60L; |
| private static final long C5 = C4 * 60L; |
| private static final long C6 = C5 * 24L; |
| |
| private static final long MAX = Long.MAX_VALUE; |
| |
| private static final long C6_C0 = C6 / C0; |
| private static final long C6_C1 = C6 / C1; |
| private static final long C6_C2 = C6 / C2; |
| private static final long C6_C3 = C6 / C3; |
| private static final long C6_C4 = C6 / C4; |
| private static final long C6_C5 = C6 / C5; |
| |
| private static final long C5_C0 = C5 / C0; |
| private static final long C5_C1 = C5 / C1; |
| private static final long C5_C2 = C5 / C2; |
| private static final long C5_C3 = C5 / C3; |
| private static final long C5_C4 = C5 / C4; |
| |
| private static final long C4_C0 = C4 / C0; |
| private static final long C4_C1 = C4 / C1; |
| private static final long C4_C2 = C4 / C2; |
| private static final long C4_C3 = C4 / C3; |
| |
| private static final long C3_C0 = C3 / C0; |
| private static final long C3_C1 = C3 / C1; |
| private static final long C3_C2 = C3 / C2; |
| |
| private static final long C2_C0 = C2 / C0; |
| private static final long C2_C1 = C2 / C1; |
| |
| private static final long C1_C0 = C1 / C0; |
| |
| private static final long MAX_C6_C0 = MAX / C6_C0; |
| private static final long MAX_C6_C1 = MAX / C6_C1; |
| private static final long MAX_C6_C2 = MAX / C6_C2; |
| private static final long MAX_C6_C3 = MAX / C6_C3; |
| private static final long MAX_C6_C4 = MAX / C6_C4; |
| private static final long MAX_C6_C5 = MAX / C6_C5; |
| |
| private static final long MAX_C5_C0 = MAX / C5_C0; |
| private static final long MAX_C5_C1 = MAX / C5_C1; |
| private static final long MAX_C5_C2 = MAX / C5_C2; |
| private static final long MAX_C5_C3 = MAX / C5_C3; |
| private static final long MAX_C5_C4 = MAX / C5_C4; |
| |
| private static final long MAX_C4_C0 = MAX / C4_C0; |
| private static final long MAX_C4_C1 = MAX / C4_C1; |
| private static final long MAX_C4_C2 = MAX / C4_C2; |
| private static final long MAX_C4_C3 = MAX / C4_C3; |
| |
| private static final long MAX_C3_C0 = MAX / C3_C0; |
| private static final long MAX_C3_C1 = MAX / C3_C1; |
| private static final long MAX_C3_C2 = MAX / C3_C2; |
| |
| private static final long MAX_C2_C0 = MAX / C2_C0; |
| private static final long MAX_C2_C1 = MAX / C2_C1; |
| |
| private static final long MAX_C1_C0 = MAX / C1_C0; |
| |
| static long x(long d, long m, long over) { |
| if (d > over) return Long.MAX_VALUE; |
| if (d < -over) return Long.MIN_VALUE; |
| return d * m; |
| } |
| |
| public abstract long convert(long sourceDuration, TimeUnit sourceUnit); |
| |
| public abstract long toNanos(long duration); |
| |
| public abstract long toMicros(long duration); |
| |
| public abstract long toMillis(long duration); |
| |
| public abstract long toSeconds(long duration); |
| |
| public abstract long toMinutes(long duration); |
| |
| public abstract long toHours(long duration); |
| |
| public abstract long toDays(long duration); |
| } |