io.micrometer.core.instrument.dropwizard.DropwizardGauge 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.dropwizard;
import io.micrometer.core.instrument.AbstractMeter;
import io.micrometer.core.instrument.Gauge;
import io.micrometer.core.instrument.Meter;
/**
* @author Jon Schneider
*/
public class DropwizardGauge extends AbstractMeter implements Gauge {
private final com.codahale.metrics.Gauge impl;
DropwizardGauge(Meter.Id id, com.codahale.metrics.Gauge impl) {
super(id);
this.impl = impl;
}
@Override
public double value() {
Double value = impl.getValue();
return value == null ? Double.NaN : value;
}
}