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/*
* Copyright (C) 2015-2021 Thomas Akehurst
*
* 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 com.github.tomakehurst.wiremock.http;
import com.fasterxml.jackson.annotation.JsonProperty;
import java.util.concurrent.ThreadLocalRandom;
/**
* Distribution that returns values uniformally distributed across a range.
*
* That is, given a uniform distribution of 50 to 60 ms, there will be an equal spread of delays
* between 50 and 60. This would useful for representing an average delay of 55ms with a +/- 5ms
* jitter.
*/
public final class UniformDistribution implements DelayDistribution {
@JsonProperty("lower")
private final int lower;
@JsonProperty("upper")
private final int upper;
/**
* @param lower lower bound inclusive
* @param upper upper bound inclusive
*/
public UniformDistribution(@JsonProperty("lower") int lower, @JsonProperty("upper") int upper) {
this.lower = lower;
this.upper = upper;
}
@Override
public long sampleMillis() {
return ThreadLocalRandom.current().nextLong(lower, upper + 1);
}
}