Move Batch observation support into spring-boot-batch

Closes gh-46100

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

@@ -116,7 +116,6 @@ dependencies {
 	optional("org.springframework:spring-messaging")
 	optional("org.springframework:spring-webflux")
 	optional("org.springframework:spring-webmvc")
-	optional("org.springframework.batch:spring-batch-core")
 	optional("org.springframework.data:spring-data-couchbase")
 	optional("org.springframework.data:spring-data-jpa")
 	optional("org.springframework.graphql:spring-graphql")

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

@@ -16,7 +16,6 @@ org.springframework.boot.actuate.autoconfigure.management.ThreadDumpEndpointAuto
 org.springframework.boot.actuate.autoconfigure.metrics.data.RepositoryMetricsAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.metrics.task.TaskExecutorMetricsAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.observability.ObservabilityAutoConfiguration
-org.springframework.boot.actuate.autoconfigure.observation.batch.BatchObservationAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.observation.graphql.GraphQlObservationAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.observation.web.client.HttpClientObservationsAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.observation.web.reactive.WebFluxObservationAutoConfiguration

spring-boot-project/spring-boot-batch/build.gradle

@@ -34,12 +34,14 @@ dependencies {
 
 	optional(project(":spring-boot-project:spring-boot-autoconfigure"))
 	optional(project(":spring-boot-project:spring-boot-jpa"))
+	optional(project(":spring-boot-project:spring-boot-micrometer-observation"))
 
 	testImplementation(project(":spring-boot-project:spring-boot-flyway"))
 	testImplementation(project(":spring-boot-project:spring-boot-liquibase"))
 	testImplementation(project(":spring-boot-project:spring-boot-test"))
 	testImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support"))
 	testImplementation(testFixtures(project(":spring-boot-project:spring-boot-autoconfigure")))
+	testImplementation("io.micrometer:micrometer-observation-test")
 
 	testRuntimeOnly("ch.qos.logback:logback-classic")
 	testRuntimeOnly("com.fasterxml.jackson.core:jackson-databind")

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

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.actuate.autoconfigure.observation.batch;
+package org.springframework.boot.batch.autoconfigure.observation;
 
 import io.micrometer.observation.ObservationRegistry;
 
@@ -24,7 +24,6 @@ import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 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.micrometer.observation.autoconfigure.ObservationAutoConfiguration;
 import org.springframework.context.annotation.Bean;
 
 /**
@@ -32,16 +31,17 @@ import org.springframework.context.annotation.Bean;
  * Jobs.
  *
  * @author Mark Bonnekessel
- * @since 3.0.6
+ * @since 4.0.0
  */
-@AutoConfiguration(after = ObservationAutoConfiguration.class)
+@AutoConfiguration(
+		afterName = "org.springframework.boot.micrometer.observation.autoconfigure.ObservationAutoConfiguration")
 @ConditionalOnBean(ObservationRegistry.class)
 @ConditionalOnClass({ ObservationRegistry.class, BatchObservabilityBeanPostProcessor.class })
 public class BatchObservationAutoConfiguration {
 
-	@ConditionalOnMissingBean
 	@Bean
-	public static BatchObservabilityBeanPostProcessor batchObservabilityBeanPostProcessor() {
+	@ConditionalOnMissingBean
+	static BatchObservabilityBeanPostProcessor batchObservabilityBeanPostProcessor() {
 		return new BatchObservabilityBeanPostProcessor();
 	}
 

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

@@ -17,4 +17,4 @@
 /**
  * Auto-configuration for Spring Batch observations.
  */
-package org.springframework.boot.actuate.autoconfigure.observation.batch;
+package org.springframework.boot.batch.autoconfigure.observation;

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

@@ -1 +1,2 @@
 org.springframework.boot.batch.autoconfigure.BatchAutoConfiguration
+org.springframework.boot.batch.autoconfigure.observation.BatchObservationAutoConfiguration

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

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.actuate.autoconfigure.observation.batch;
+package org.springframework.boot.batch.autoconfigure.observation;
 
 import io.micrometer.observation.tck.TestObservationRegistry;
 import org.junit.jupiter.api.Test;