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/*
* Copyright 2016 Google Inc.
*
* Licensed 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 emujava.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);
}
int excessNanos(long d, long m) {
return (int)(d - (m * TimeUnit.C2));
}
},
MICROSECONDS {
public long toNanos(long d) {
return TimeUnit.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);
}
int excessNanos(long d, long m) {
return (int)((d * TimeUnit.C1) - (m * TimeUnit.C2));
}
},
MILLISECONDS {
public long toNanos(long d) {
return TimeUnit.x(d, C2_C0, MAX_C2_C0);
}
public long toMicros(long d) {
return TimeUnit.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);
}
int excessNanos(long d, long m) {
return 0;
}
},
SECONDS {
public long toNanos(long d) {
return TimeUnit.x(d, C3_C0, MAX_C3_C0);
}
public long toMicros(long d) {
return TimeUnit.x(d, C3_C1, MAX_C3_C1);
}
public long toMillis(long d) {
return TimeUnit.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);
}
int excessNanos(long d, long m) {
return 0;
}
},
MINUTES {
public long toNanos(long d) {
return TimeUnit.x(d, C4_C0, MAX_C4_C0);
}
public long toMicros(long d) {
return TimeUnit.x(d, C4_C1, MAX_C4_C1);
}
public long toMillis(long d) {
return TimeUnit.x(d, C4_C2, MAX_C4_C2);
}
public long toSeconds(long d) {
return TimeUnit.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);
}
int excessNanos(long d, long m) {
return 0;
}
},
HOURS {
public long toNanos(long d) {
return TimeUnit.x(d, C5_C0, MAX_C5_C0);
}
public long toMicros(long d) {
return TimeUnit.x(d, C5_C1, MAX_C5_C1);
}
public long toMillis(long d) {
return TimeUnit.x(d, C5_C2, MAX_C5_C2);
}
public long toSeconds(long d) {
return TimeUnit.x(d, C5_C3, MAX_C5_C3);
}
public long toMinutes(long d) {
return TimeUnit.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);
}
int excessNanos(long d, long m) {
return 0;
}
},
DAYS {
public long toNanos(long d) {
return TimeUnit.x(d, C6_C0, MAX_C6_C0);
}
public long toMicros(long d) {
return TimeUnit.x(d, C6_C1, MAX_C6_C1);
}
public long toMillis(long d) {
return TimeUnit.x(d, C6_C2, MAX_C6_C2);
}
public long toSeconds(long d) {
return TimeUnit.x(d, C6_C3, MAX_C6_C3);
}
public long toMinutes(long d) {
return TimeUnit.x(d, C6_C4, MAX_C6_C4);
}
public long toHours(long d) {
return TimeUnit.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);
}
int excessNanos(long d, long m) {
return 0;
}
};
// Handy constants for conversion methods
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;
static final long MAX = Long.MAX_VALUE;
static final long C6_C0 = C6 / C0;
static final long C6_C1 = C6 / C1;
static final long C6_C2 = C6 / C2;
static final long C6_C3 = C6 / C3;
static final long C6_C4 = C6 / C4;
static final long C6_C5 = C6 / C5;
static final long C5_C0 = C5 / C0;
static final long C5_C1 = C5 / C1;
static final long C5_C2 = C5 / C2;
static final long C5_C3 = C5 / C3;
static final long C5_C4 = C5 / C4;
static final long C4_C0 = C4 / C0;
static final long C4_C1 = C4 / C1;
static final long C4_C2 = C4 / C2;
static final long C4_C3 = C4 / C3;
static final long C3_C0 = C3 / C0;
static final long C3_C1 = C3 / C1;
static final long C3_C2 = C3 / C2;
static final long C2_C0 = C2 / C0;
static final long C2_C1 = C2 / C1;
static final long C1_C0 = C1 / C0;
static final long MAX_C6_C0 = MAX / C6_C0;
static final long MAX_C6_C1 = MAX / C6_C1;
static final long MAX_C6_C2 = MAX / C6_C2;
static final long MAX_C6_C3 = MAX / C6_C3;
static final long MAX_C6_C4 = MAX / C6_C4;
static final long MAX_C6_C5 = MAX / C6_C5;
static final long MAX_C5_C0 = MAX / C5_C0;
static final long MAX_C5_C1 = MAX / C5_C1;
static final long MAX_C5_C2 = MAX / C5_C2;
static final long MAX_C5_C3 = MAX / C5_C3;
static final long MAX_C5_C4 = MAX / C5_C4;
static final long MAX_C4_C0 = MAX / C4_C0;
static final long MAX_C4_C1 = MAX / C4_C1;
static final long MAX_C4_C2 = MAX / C4_C2;
static final long MAX_C4_C3 = MAX / C4_C3;
static final long MAX_C3_C0 = MAX / C3_C0;
static final long MAX_C3_C1 = MAX / C3_C1;
static final long MAX_C3_C2 = MAX / C3_C2;
static final long MAX_C2_C0 = MAX / C2_C0;
static final long MAX_C2_C1 = MAX / C2_C1;
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;
}
// exceptions below changed from AbstractMethodError for GWT
public long convert(long sourceDuration, TimeUnit sourceUnit) {
throw new AssertionError();
}
public long toNanos(long duration) {
throw new AssertionError();
}
public long toMicros(long duration) {
throw new AssertionError();
}
public long toMillis(long duration) {
throw new AssertionError();
}
public long toSeconds(long duration) {
throw new AssertionError();
}
public long toMinutes(long duration) {
throw new AssertionError();
}
public long toHours(long duration) {
throw new AssertionError();
}
public long toDays(long duration) {
throw new AssertionError();
}
abstract int excessNanos(long d, long m);
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