import org.springframework.boot.actuate.metrics.dropwizard.DropwizardMetricServices; //导入依赖的package包/类
@Test
public void dropwizardInstalledIfPresent() {
	this.context = new AnnotationConfigApplicationContext(
			MetricsDropwizardAutoConfiguration.class,
			MetricRepositoryAutoConfiguration.class, AopAutoConfiguration.class);
	GaugeService gaugeService = this.context.getBean(GaugeService.class);
	assertThat(gaugeService).isNotNull();
	gaugeService.submit("foo", 2.7);
	DropwizardMetricServices exporter = this.context
			.getBean(DropwizardMetricServices.class);
	assertThat(exporter).isEqualTo(gaugeService);
	MetricRegistry registry = this.context.getBean(MetricRegistry.class);
	@SuppressWarnings("unchecked")
	Gauge<Double> gauge = (Gauge<Double>) registry.getMetrics().get("gauge.foo");
	assertThat(gauge.getValue()).isEqualTo(new Double(2.7));
}
 

import org.springframework.boot.actuate.metrics.dropwizard.DropwizardMetricServices; //导入依赖的package包/类
@Test
public void dropwizardInstalledIfPresent() {
	this.context = new AnnotationConfigApplicationContext(
			MetricsDropwizardAutoConfiguration.class,
			MetricRepositoryAutoConfiguration.class, AopAutoConfiguration.class);
	GaugeService gaugeService = this.context.getBean(GaugeService.class);
	assertNotNull(gaugeService);
	gaugeService.submit("foo", 2.7);
	DropwizardMetricServices exporter = this.context
			.getBean(DropwizardMetricServices.class);
	assertEquals(gaugeService, exporter);
	MetricRegistry registry = this.context.getBean(MetricRegistry.class);
	@SuppressWarnings("unchecked")
	Gauge<Double> gauge = (Gauge<Double>) registry.getMetrics().get("gauge.foo");
	assertEquals(new Double(2.7), gauge.getValue());
}
 

import org.springframework.boot.actuate.metrics.dropwizard.DropwizardMetricServices; //导入依赖的package包/类
@Bean
@ConditionalOnMissingBean({ DropwizardMetricServices.class, CounterService.class,
		GaugeService.class })
public DropwizardMetricServices dropwizardMetricServices(
		MetricRegistry metricRegistry) {
	return new DropwizardMetricServices(metricRegistry);
}
 

import org.springframework.boot.actuate.metrics.dropwizard.DropwizardMetricServices; //导入依赖的package包/类
@Autowired
public DefaultMetricsExporter(OntrackConfigProperties config, DropwizardMetricServices metricWriter, Collection<MetricsSource> metricsSources) {
    super("");
    this.config = config;
    this.metricWriter = metricWriter;
    this.metricsSources = metricsSources;
    this.executor = Executors.newSingleThreadScheduledExecutor(
            new ThreadFactoryBuilder()
                    .setDaemon(true)
                    .setNameFormat("metrics-exporter-%d")
                    .build()
    );
}
 

import org.springframework.boot.actuate.metrics.dropwizard.DropwizardMetricServices; //导入依赖的package包/类
public MetricsUtilService(DropwizardMetricServices metricService) {
    this.metricService = metricService;
}
 

import org.springframework.boot.actuate.metrics.dropwizard.DropwizardMetricServices; //导入依赖的package包/类
public UserRepository(DSLContext dslContext, DropwizardMetricServices metricService) {
    this.dslContext = dslContext;
    this.metricService = metricService;
}
 

import org.springframework.boot.actuate.metrics.dropwizard.DropwizardMetricServices; //导入依赖的package包/类
@Bean
RedisCacheMonitor cacheMonitor(RedisConnectionFactory redisConnectionFactory,
        DropwizardMetricServices metricServices) {
    return new RedisCacheMonitor(redisConnectionFactory, metricServices);
}
 

import org.springframework.boot.actuate.metrics.dropwizard.DropwizardMetricServices; //导入依赖的package包/类
public RedisCacheMonitor(RedisConnectionFactory redisConnectionFactory, DropwizardMetricServices metricServices) {
    this.redisConnectionFactory = redisConnectionFactory;
    this.metricServices = metricServices;
}
 

import org.springframework.boot.actuate.metrics.dropwizard.DropwizardMetricServices; //导入依赖的package包/类
@Bean
public DropwizardMetricServices dropwizardMetricServices() {
    return new DropwizardMetricServices(metricRegistry);
}