io.micrometer.core.instrument.noop.NoopLongTaskTimer Maven / Gradle / Ivy
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/**
* 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.noop;
import io.micrometer.core.instrument.LongTaskTimer;
import io.micrometer.core.instrument.distribution.HistogramSnapshot;
import java.util.concurrent.TimeUnit;
public class NoopLongTaskTimer extends NoopMeter implements LongTaskTimer {
public NoopLongTaskTimer(Id id) {
super(id);
}
@Override
public Sample start() {
return new NoopSample();
}
@Override
public double duration(TimeUnit unit) {
return 0;
}
@Override
public int activeTasks() {
return 0;
}
@Override
public double max(TimeUnit unit) {
return 0;
}
@Override
public HistogramSnapshot takeSnapshot() {
return HistogramSnapshot.empty(0, 0, 0);
}
@Override
public TimeUnit baseTimeUnit() {
return TimeUnit.SECONDS;
}
static class NoopSample extends Sample {
@Override
public long stop() {
return 0;
}
@Override
public double duration(TimeUnit unit) {
return 0;
}
}
}