io.micrometer.core.instrument.step.StepTimer Maven / Gradle / Ivy
/**
* Copyright 2017 VMware, Inc.
*
* 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
*
* https://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 io.micrometer.core.instrument.step;
import io.micrometer.core.instrument.AbstractTimer;
import io.micrometer.core.instrument.Clock;
import io.micrometer.core.instrument.distribution.DistributionStatisticConfig;
import io.micrometer.core.instrument.distribution.TimeWindowMax;
import io.micrometer.core.instrument.distribution.pause.PauseDetector;
import io.micrometer.core.instrument.util.TimeUtils;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.LongAdder;
/**
* @author Jon Schneider
*/
public class StepTimer extends AbstractTimer {
private final LongAdder count = new LongAdder();
private final LongAdder total = new LongAdder();
private final StepTuple2 countTotal;
private final TimeWindowMax max;
/**
* Create a new {@code StepTimer}.
*
* @param id ID
* @param clock clock
* @param distributionStatisticConfig distribution statistic configuration
* @param pauseDetector pause detector
* @param baseTimeUnit base time unit
* @param stepDurationMillis step in milliseconds
* @param supportsAggregablePercentiles whether it supports aggregable percentiles
*/
public StepTimer(final Id id, final Clock clock, final DistributionStatisticConfig distributionStatisticConfig,
final PauseDetector pauseDetector, final TimeUnit baseTimeUnit, final long stepDurationMillis,
final boolean supportsAggregablePercentiles
) {
super(id, clock, distributionStatisticConfig, pauseDetector, baseTimeUnit, supportsAggregablePercentiles);
countTotal = new StepTuple2<>(clock, stepDurationMillis, 0L, 0L, count::sumThenReset, total::sumThenReset);
max = new TimeWindowMax(clock, distributionStatisticConfig);
}
@Override
protected void recordNonNegative(final long amount, final TimeUnit unit) {
final long nanoAmount = (long) TimeUtils.convert(amount, unit, TimeUnit.NANOSECONDS);
count.add(1);
total.add(nanoAmount);
max.record(nanoAmount);
}
@Override
public long count() {
return countTotal.poll1();
}
@Override
public double totalTime(final TimeUnit unit) {
return TimeUtils.nanosToUnit(countTotal.poll2(), unit);
}
@Override
public double max(final TimeUnit unit) {
return TimeUtils.nanosToUnit(max.poll(), unit);
}
}