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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.application;
import java.util.Objects;
import java.util.OptionalDouble;
/**
* @author ogronnesby
*/
public class QuotaUsage {
public static final QuotaUsage none = new QuotaUsage(0.0);
private final double rate;
private QuotaUsage(double rate) {
this.rate = rate;
}
public double rate() {
return rate;
}
public QuotaUsage add(QuotaUsage addend) {
return create(rate + addend.rate);
}
public QuotaUsage sub(QuotaUsage subtrahend) {
return create(rate - subtrahend.rate);
}
public static QuotaUsage create(OptionalDouble rate) {
if (rate.isEmpty()) {
return QuotaUsage.none;
}
return new QuotaUsage(rate.getAsDouble());
}
public static QuotaUsage create(double rate) {
return new QuotaUsage(rate);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
QuotaUsage that = (QuotaUsage) o;
return Double.compare(that.rate, rate) == 0;
}
@Override
public int hashCode() {
return Objects.hash(rate);
}
@Override
public String toString() {
return "QuotaUsage{" +
"rate=" + rate +
'}';
}
}
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