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Easy Random core implementation
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/*
* The MIT License
*
* Copyright (c) 2020, Mahmoud Ben Hassine ([email protected])
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.jeasy.random.randomizers.range;
import java.time.Instant;
public class InstantRangeRandomizer extends AbstractRangeRandomizer {
/**
* Create a new {@link InstantRangeRandomizer}.
*
* @param min min value (inclusive)
* @param max max value (exclusive)
*/
public InstantRangeRandomizer(final Instant min, final Instant max) {
super(min, max);
}
/**
* Create a new {@link InstantRangeRandomizer}.
*
* @param min min value (inclusive)
* @param max max value (exclusive)
* @param seed initial seed
*/
public InstantRangeRandomizer(final Instant min, final Instant max, long seed) {
super(min, max, seed);
}
@Override
protected void checkValues() {
if (min.isAfter(max)) {
throw new IllegalArgumentException("max must be after min");
}
}
@Override
protected Instant getDefaultMinValue() {
return Instant.ofEpochMilli(Long.MIN_VALUE);
}
@Override
protected Instant getDefaultMaxValue() {
return Instant.ofEpochMilli(Long.MAX_VALUE);
}
@Override
public Instant getRandomValue() {
long minEpochMillis = min.toEpochMilli();
long maxEpochMillis = max.toEpochMilli();
long randomEpochMillis = (long) nextDouble(minEpochMillis, maxEpochMillis);
return Instant.ofEpochMilli(randomEpochMillis);
}
}