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Metrics.java
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Metrics.java
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/*
* Copyright (c) 2022 VMware, Inc. or its affiliates, All Rights Reserved.
*
* 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 reactor.netty5.internal.util;
/**
* Utility class around instrumentation and metrics with Micrometer.
* <p><strong>Note:</strong> This utility class is for internal use only. It can be removed at any time.
*
* @author Violeta Georgieva
* @since 1.1.0
*/
public class Metrics {
static final boolean isMicrometerAvailable;
static final boolean isTracingAvailable;
static {
boolean micrometer;
try {
io.micrometer.core.instrument.Metrics.globalRegistry.getRegistries();
micrometer = true;
}
catch (Throwable t) {
micrometer = false;
}
isMicrometerAvailable = micrometer;
boolean tracing;
try {
Class.forName("io.micrometer.tracing.Tracer");
tracing = true;
}
catch (Throwable t) {
tracing = false;
}
isTracingAvailable = tracing;
}
/**
* Check if the current runtime supports metrics, by verifying if Micrometer Core is on the classpath.
*
* @return true if the Micrometer Core is available
*/
public static boolean isMicrometerAvailable() {
return isMicrometerAvailable;
}
/**
* Check if the current runtime supports tracing, by verifying if Micrometer Tracing is on the classpath.
*
* @return true if the Micrometer Tracing is available
*/
public static boolean isTracingAvailable() {
return isTracingAvailable;
}
}