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Module providing support for auto-configuration of Axon Framework through Spring Boot.

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/*
 * Copyright (c) 2010-2022. Axon Framework
 *
 * 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.axonframework.springboot.autoconfig;

import com.codahale.metrics.MetricRegistry;
import org.axonframework.metrics.GlobalMetricRegistry;
import org.axonframework.metrics.MetricsConfigurerModule;
import org.axonframework.springboot.MetricsProperties;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;

/**
 * Auto configuration to set up Metrics for the infrastructure components.
 *
 * @author Steven van Beelen
 * @since 3.2
 */
@AutoConfiguration
@AutoConfigureBefore(AxonAutoConfiguration.class)
@ConditionalOnMissingBean(MicrometerMetricsAutoConfiguration.class)
@ConditionalOnClass(name = {
        "com.codahale.metrics.MetricRegistry",
        "org.axonframework.metrics.GlobalMetricRegistry"
})
@EnableConfigurationProperties(MetricsProperties.class)
public class MetricsAutoConfiguration {

    @Bean
    @ConditionalOnMissingBean(MetricRegistry.class)
    public static MetricRegistry metricRegistry() {
        return new MetricRegistry();
    }

    @Bean
    @ConditionalOnMissingBean
    @ConditionalOnBean(MetricRegistry.class)
    public static GlobalMetricRegistry globalMetricRegistry(MetricRegistry metricRegistry) {
        return new GlobalMetricRegistry(metricRegistry);
    }

    @Bean
    @ConditionalOnMissingBean
    @ConditionalOnBean(GlobalMetricRegistry.class)
    @ConditionalOnProperty(value = "axon.metrics.auto-configuration.enabled", matchIfMissing = true)
    public static MetricsConfigurerModule metricsConfigurerModule(GlobalMetricRegistry globalMetricRegistry) {
        return new MetricsConfigurerModule(globalMetricRegistry);
    }
}