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Core module of Micrometer containing instrumentation API and implementation
/*
* 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.dropwizard;
import com.codahale.metrics.Timer;
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.AtomicLong;
public class DropwizardTimer extends AbstractTimer {
private final Timer impl;
private final AtomicLong totalTime = new AtomicLong();
private final TimeWindowMax max;
DropwizardTimer(Id id, Timer impl, Clock clock, DistributionStatisticConfig distributionStatisticConfig,
PauseDetector pauseDetector) {
super(id, clock, distributionStatisticConfig, pauseDetector, TimeUnit.MILLISECONDS, false);
this.impl = impl;
this.max = new TimeWindowMax(clock, distributionStatisticConfig);
}
@Override
protected void recordNonNegative(long amount, TimeUnit unit) {
if (amount >= 0) {
impl.update(amount, unit);
long nanoAmount = TimeUnit.NANOSECONDS.convert(amount, unit);
max.record(nanoAmount, TimeUnit.NANOSECONDS);
totalTime.addAndGet(nanoAmount);
}
}
@Override
public long count() {
return impl.getCount();
}
@Override
public double totalTime(TimeUnit unit) {
return TimeUtils.nanosToUnit(totalTime.get(), unit);
}
@Override
public double max(TimeUnit unit) {
return max.poll(unit);
}
}