/*
* Copyright 2012-2016 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
*
* 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 org.springframework.boot.actuate.autoconfigure;
import com.codahale.metrics.MetricRegistry;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.actuate.endpoint.MetricReaderPublicMetrics;
import org.springframework.boot.actuate.metrics.CounterService;
import org.springframework.boot.actuate.metrics.GaugeService;
import org.springframework.boot.actuate.metrics.dropwizard.DropwizardMetricServices;
import org.springframework.boot.actuate.metrics.dropwizard.ReservoirFactory;
import org.springframework.boot.actuate.metrics.reader.MetricRegistryMetricReader;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
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;
import org.springframework.context.annotation.Configuration;
/**
* {@link EnableAutoConfiguration Auto-configuration} for Dropwizard-based metrics.
*
* @author Dave Syer
* @since 1.3.0
*/
@Configuration
@ConditionalOnClass(MetricRegistry.class)
@AutoConfigureBefore(MetricRepositoryAutoConfiguration.class)
public class MetricsDropwizardAutoConfiguration {
private final ReservoirFactory reservoirFactory;
public MetricsDropwizardAutoConfiguration(
ObjectProvider<ReservoirFactory> reservoirFactory) {
this.reservoirFactory = reservoirFactory.getIfAvailable();
}
@Bean
@ConditionalOnMissingBean
public MetricRegistry metricRegistry() {
return new MetricRegistry();
}
@Bean
@ConditionalOnMissingBean({ DropwizardMetricServices.class, CounterService.class,
GaugeService.class })
public DropwizardMetricServices dropwizardMetricServices(
MetricRegistry metricRegistry) {
if (this.reservoirFactory == null) {
return new DropwizardMetricServices(metricRegistry);
}
else {
return new DropwizardMetricServices(metricRegistry, this.reservoirFactory);
}
}
@Bean
public MetricReaderPublicMetrics dropwizardPublicMetrics(
MetricRegistry metricRegistry) {
MetricRegistryMetricReader reader = new MetricRegistryMetricReader(
metricRegistry);
return new MetricReaderPublicMetrics(reader);
}
}