org.bonitasoft.engine.configuration.monitoring.CumulativeAndStepCounter Maven / Gradle / Ivy
/**
* Copyright (C) 2019 Bonitasoft S.A.
* Bonitasoft, 32 rue Gustave Eiffel - 38000 Grenoble
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation
* version 2.1 of the License.
* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301, USA.
**/
package org.bonitasoft.engine.configuration.monitoring;
import java.util.Arrays;
import java.util.concurrent.atomic.DoubleAdder;
import io.micrometer.core.instrument.Clock;
import io.micrometer.core.instrument.Measurement;
import io.micrometer.core.instrument.Statistic;
import io.micrometer.core.instrument.step.StepCounter;
/**
* Add the total of the counter as a Measurement to the original StepCounter
*/
public class CumulativeAndStepCounter extends StepCounter {
private final DoubleAdder count;
CumulativeAndStepCounter(Id id, Clock clock, long stepMillis) {
super(id, clock, stepMillis);
count = new DoubleAdder();
}
@Override
public void increment(double amount) {
super.increment(amount);
count.add(amount);
}
private double total() {
return count.sum();
}
@Override
public Iterable measure() {
return Arrays.asList(new Measurement(this::count, Statistic.COUNT),
new Measurement(this::total, Statistic.TOTAL));
}
}