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// 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);
}
