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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.number;
import org.jeasy.random.api.Randomizer;
import java.math.BigDecimal;
import java.math.RoundingMode;
/**
* Generate a random {@link BigDecimal}.
*
* @author Mahmoud Ben Hassine ([email protected])
*/
public class BigDecimalRandomizer implements Randomizer {
private final DoubleRandomizer delegate;
private Integer scale;
private RoundingMode roundingMode = RoundingMode.HALF_UP;
/**
* Create a new {@link BigDecimalRandomizer}.
*/
public BigDecimalRandomizer() {
delegate = new DoubleRandomizer();
}
/**
* Create a new {@link BigDecimalRandomizer}.
*
* @param seed initial seed
*/
public BigDecimalRandomizer(final long seed) {
delegate = new DoubleRandomizer(seed);
}
/**
* Create a new {@link BigDecimalRandomizer}. The default rounding mode is {@link RoundingMode#HALF_UP}.
*
* @param scale of the {@code BigDecimal} value to be returned.
*/
public BigDecimalRandomizer(final Integer scale) {
delegate = new DoubleRandomizer();
this.scale = scale;
}
/**
* Create a new {@link BigDecimalRandomizer}.
*
* @param scale of the {@code BigDecimal} value to be returned.
* @param roundingMode of the {@code BigDecimal} value to be returned.
*/
public BigDecimalRandomizer(final Integer scale, final RoundingMode roundingMode) {
this(scale);
this.roundingMode = roundingMode;
}
/**
* Create a new {@link BigDecimalRandomizer}.
*
* @param scale of the {@code BigDecimal} value to be returned.
* @param roundingMode of the {@code BigDecimal} value to be returned.
*/
public BigDecimalRandomizer(final long seed, final Integer scale, final RoundingMode roundingMode) {
this(seed);
this.scale = scale;
this.roundingMode = roundingMode;
}
@Override
public BigDecimal getRandomValue() {
BigDecimal randomValue = new BigDecimal(delegate.getRandomValue());
if (scale != null) {
randomValue = randomValue.setScale(this.scale, this.roundingMode);
}
return randomValue;
}
}