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ObservationConfiguration.java
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ObservationConfiguration.java
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package com.example.tracingissue;
import io.micrometer.observation.GlobalObservationConvention;
import io.micrometer.observation.ObservationFilter;
import io.micrometer.observation.ObservationHandler;
import io.micrometer.observation.ObservationPredicate;
import io.micrometer.observation.ObservationRegistry;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.actuate.autoconfigure.observation.ObservationRegistryCustomizer;
import org.springframework.boot.util.LambdaSafe;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.util.List;
@Configuration
public class ObservationConfiguration {
@Bean
@SuppressWarnings("unchecked")
ObservationRegistry observationRegistry(
ObjectProvider<ObservationRegistryCustomizer<?>> observationRegistryCustomizers,
ObjectProvider<ObservationPredicate> observationPredicates,
ObjectProvider<GlobalObservationConvention<?>> observationConventions,
ObjectProvider<ObservationHandler<?>> observationHandlers,
ObjectProvider<ObservationFilter> observationFilters
) {
final var registry = ObservationRegistry.create();
observationPredicates.orderedStream().forEach(registry.observationConfig()::observationPredicate);
observationConventions.orderedStream().forEach(registry.observationConfig()::observationConvention);
// We can't configure this as it's done in ObservationRegistryConfigurer, because ObservationHandlerGrouping
// is package private
observationHandlers.orderedStream().forEach(registry.observationConfig()::observationHandler);
observationFilters.orderedStream().forEach(registry.observationConfig()::observationFilter);
LambdaSafe.callbacks(ObservationRegistryCustomizer.class, asOrderedList(observationRegistryCustomizers), registry)
.withLogger(ObservationConfiguration.class)
.invoke((customizer) -> customizer.customize(registry));
return registry;
}
private <T> List<T> asOrderedList(ObjectProvider<T> provider) {
return provider.orderedStream().toList();
}
}