io.mantisrx.common.metrics.spectator.SpectatorRegistryFactory Maven / Gradle / Ivy
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/*
* Copyright 2019 Netflix, 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
*
* http://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.mantisrx.common.metrics.spectator;
import com.netflix.spectator.api.Registry;
import com.netflix.spectator.api.Spectator;
import java.util.concurrent.atomic.AtomicReference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class SpectatorRegistryFactory {
private static final Logger logger = LoggerFactory.getLogger(SpectatorRegistryFactory.class);
private static final AtomicReference registryRef = new AtomicReference<>(null);
public static Registry getRegistry() {
if (registryRef.get() == null) {
return Spectator.globalRegistry();
} else {
return registryRef.get();
}
}
public static void setRegistry(final Registry registry) {
if (registry != null && registryRef.compareAndSet(null, registry)) {
logger.info("spectator registry : {}", registryRef.get().getClass().getCanonicalName());
}
}
}