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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.container.jdisc.state;
/**
* A metric which is counting an accumulative value
*
* @author Simon Thoresen Hult
*/
public final class CountMetric extends MetricValue {
private long count;
private CountMetric(long count) {
this.count = count;
}
@Override
void add(Number num) {
this.count += num.longValue();
}
@Override
void add(MetricValue value) {
CountMetric rhs = (CountMetric)value;
this.count += rhs.count;
}
/** Returns the accumulated count of this metric in the time interval */
public long getCount() {
return count;
}
public static CountMetric newSingleValue(Number val) {
long lval = val.longValue();
return new CountMetric(lval);
}
public static CountMetric newInstance(long val) {
return new CountMetric(val);
}
}
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