spring MeterRegistryConfigurer 源码

springboot MeterRegistryConfigurer 代码

文件路径：/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/MeterRegistryConfigurer.java

/*
 * Copyright 2012-2020 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.metrics;

import java.util.List;
import java.util.stream.Collectors;

import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.Metrics;
import io.micrometer.core.instrument.binder.MeterBinder;
import io.micrometer.core.instrument.composite.CompositeMeterRegistry;
import io.micrometer.core.instrument.config.MeterFilter;

import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.util.LambdaSafe;

/**
 * Configurer to apply {@link MeterRegistryCustomizer customizers}, {@link MeterFilter
 * filters}, {@link MeterBinder binders} and {@link Metrics#addRegistry global
 * registration} to {@link MeterRegistry meter registries}.
 *
 * @author Jon Schneider
 * @author Phillip Webb
 */
class MeterRegistryConfigurer {

	private final ObjectProvider<MeterRegistryCustomizer<?>> customizers;

	private final ObjectProvider<MeterFilter> filters;

	private final ObjectProvider<MeterBinder> binders;

	private final boolean addToGlobalRegistry;

	private final boolean hasCompositeMeterRegistry;

	MeterRegistryConfigurer(ObjectProvider<MeterRegistryCustomizer<?>> customizers, ObjectProvider<MeterFilter> filters,
			ObjectProvider<MeterBinder> binders, boolean addToGlobalRegistry, boolean hasCompositeMeterRegistry) {
		this.customizers = customizers;
		this.filters = filters;
		this.binders = binders;
		this.addToGlobalRegistry = addToGlobalRegistry;
		this.hasCompositeMeterRegistry = hasCompositeMeterRegistry;
	}

	void configure(MeterRegistry registry) {
		// Customizers must be applied before binders, as they may add custom
		// tags or alter timer or summary configuration.
		customize(registry);
		if (!(registry instanceof AutoConfiguredCompositeMeterRegistry)) {
			addFilters(registry);
		}
		if (!this.hasCompositeMeterRegistry || registry instanceof CompositeMeterRegistry) {
			addBinders(registry);
		}
		if (this.addToGlobalRegistry && registry != Metrics.globalRegistry) {
			Metrics.addRegistry(registry);
		}
	}

	@SuppressWarnings("unchecked")
	private void customize(MeterRegistry registry) {
		LambdaSafe.callbacks(MeterRegistryCustomizer.class, asOrderedList(this.customizers), registry)
				.withLogger(MeterRegistryConfigurer.class).invoke((customizer) -> customizer.customize(registry));
	}

	private void addFilters(MeterRegistry registry) {
		this.filters.orderedStream().forEach(registry.config()::meterFilter);
	}

	private void addBinders(MeterRegistry registry) {
		this.binders.orderedStream().forEach((binder) -> binder.bindTo(registry));
	}

	private <T> List<T> asOrderedList(ObjectProvider<T> provider) {
		return provider.orderedStream().collect(Collectors.toList());
	}

}

相关信息

spring 源码目录

相关文章

spring AutoConfiguredCompositeMeterRegistry 源码

spring AutoTimeProperties 源码

spring CompositeMeterRegistryAutoConfiguration 源码

spring CompositeMeterRegistryConfiguration 源码

spring JvmMetricsAutoConfiguration 源码

spring KafkaMetricsAutoConfiguration 源码

spring Log4J2MetricsAutoConfiguration 源码

spring LogbackMetricsAutoConfiguration 源码

spring MeterRegistryCustomizer 源码

spring MeterRegistryPostProcessor 源码