Polish "Auto-configure observation for Spring-Batch"

See gh-34305

spring-boot-project/spring-boot-actuator-autoconfigure/build.gradle

@@ -1,10 +1,10 @@
 plugins {
-	id "java-library"
+    id "java-library"
 	id "org.asciidoctor.jvm.convert"
 	id "org.springframework.boot.auto-configuration"
 	id "org.springframework.boot.conventions"
 	id "org.springframework.boot.deployed"
-	id "org.springframework.boot.optional-dependencies"
+    id "org.springframework.boot.optional-dependencies"
 }
 
 description = "Spring Boot Actuator AutoConfigure"

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/batch/BatchObservationAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 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.
@@ -28,21 +28,20 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean
 import org.springframework.context.annotation.Bean;
 
 /**
- * {@link EnableAutoConfiguration Auto-configuration} for instrumentation of Spring Batch.
- * Jobs
+ * {@link EnableAutoConfiguration Auto-configuration} for instrumentation of Spring Batch
+ * Jobs.
  *
  * @author Mark Bonnekessel
- * @since 3.0.3
+ * @since 3.0.6
  */
 @AutoConfiguration(after = ObservationAutoConfiguration.class)
 @ConditionalOnBean(ObservationRegistry.class)
 @ConditionalOnClass({ ObservationRegistry.class, BatchObservabilityBeanPostProcessor.class })
-@SuppressWarnings("removal")
 public class BatchObservationAutoConfiguration {
 
 	@ConditionalOnMissingBean
 	@Bean
-	public BatchObservabilityBeanPostProcessor batchObservabilityBeanPostProcessor() {
+	public static BatchObservabilityBeanPostProcessor batchObservabilityBeanPostProcessor() {
 		return new BatchObservabilityBeanPostProcessor();
 	}
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/batch/package-info.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 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.
@@ -15,6 +15,6 @@
  */
 
 /**
- * Auto-configuration for Spring Batcn observations.
+ * Auto-configuration for Spring Batch observations.
  */
 package org.springframework.boot.actuate.autoconfigure.observation.batch;

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports

@@ -68,6 +68,7 @@ org.springframework.boot.actuate.autoconfigure.metrics.export.simple.SimpleMetri
 org.springframework.boot.actuate.autoconfigure.metrics.export.stackdriver.StackdriverMetricsExportAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.metrics.export.statsd.StatsdMetricsExportAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.metrics.export.wavefront.WavefrontMetricsExportAutoConfiguration
+org.springframework.boot.actuate.autoconfigure.observation.batch.BatchObservationAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.observation.graphql.GraphQlObservationAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.metrics.integration.IntegrationMetricsAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.metrics.jdbc.DataSourcePoolMetricsAutoConfiguration

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/observation/batch/BatchObservationAutoConfigurationTests.java

@@ -25,6 +25,11 @@ import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
+/**
+ * Tests for {@link BatchObservationAutoConfiguration}.
+ *
+ * @author Mark Bonnekessel
+ */
 class BatchObservationAutoConfigurationTests {
 
 	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()

spring-boot-project/spring-boot-docs/src/docs/asciidoc/actuator/metrics.adoc

@@ -858,12 +858,22 @@ NOTE: Only caches that are configured on startup are bound to the registry.
 For caches not defined in the cache’s configuration, such as caches created on the fly or programmatically after the startup phase, an explicit registration is required.
 A `CacheMetricsRegistrar` bean is made available to make that process easier.
 
+
+
+[[actuator.metrics.supported.spring-batch]]
+==== Spring Batch Metrics
+
+See the {spring-batch-docs}monitoring-and-metrics.html[Spring Batch reference documentation].
+
+
+
 [[actuator.metrics.supported.spring-graphql]]
 ==== Spring GraphQL Metrics
 
 See the {spring-graphql-docs}[Spring GraphQL reference documentation].
 
 
+
 [[actuator.metrics.supported.jdbc]]
 ==== DataSource Metrics
 Auto-configuration enables the instrumentation of all available `DataSource` objects with metrics prefixed with `jdbc.connections`.