org.springframework.boot.actuate.autoconfigure.tracing.NoopTracerAutoConfiguration Maven / Gradle / Ivy

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/*
 * Copyright 2012-2023 the original author or authors.
 *
 * 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 org.springframework.boot.actuate.autoconfigure.tracing;

import io.micrometer.tracing.Tracer;

import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.annotation.Bean;

/**
 * {@link EnableAutoConfiguration Auto-configuration} for a no-op implementation of
 * {@link Tracer}.
 *
 * @author Moritz Halbritter
 * @since 3.2.1
 */
@AutoConfiguration(before = MicrometerTracingAutoConfiguration.class)
@ConditionalOnClass(Tracer.class)
@ConditionalOnMissingBean(Tracer.class)
public class NoopTracerAutoConfiguration {

	@Bean
	Tracer noopTracer() {
		return Tracer.NOOP;
	}

}