Add execution listeners to auto-configured transaction managers

Closes gh-36770

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/transaction/ExecutionListenersTransactionManagerCustomizer.java

@@ -0,0 +1,45 @@
+/*
+ * 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://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.springframework.boot.autoconfigure.transaction;
+
+import java.util.List;
+
+import org.springframework.transaction.ConfigurableTransactionManager;
+import org.springframework.transaction.TransactionExecutionListener;
+
+/**
+ * {@link TransactionManagerCustomizer} that adds {@link TransactionExecutionListener
+ * execution listeners} to any transaction manager that is
+ * {@link ConfigurableTransactionManager configurable}.
+ *
+ * @author Andy Wilkinson
+ */
+class ExecutionListenersTransactionManagerCustomizer
+		implements TransactionManagerCustomizer<ConfigurableTransactionManager> {
+
+	private final List<TransactionExecutionListener> listeners;
+
+	ExecutionListenersTransactionManagerCustomizer(List<TransactionExecutionListener> listeners) {
+		this.listeners = listeners;
+	}
+
+	@Override
+	public void customize(ConfigurableTransactionManager transactionManager) {
+		this.listeners.forEach(transactionManager::addListener);
+	}
+
+}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/transaction/TransactionManagerCustomizationAutoConfiguration.java

@@ -23,6 +23,7 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.transaction.PlatformTransactionManager;
+import org.springframework.transaction.TransactionExecutionListener;
 import org.springframework.transaction.TransactionManager;
 
 /**
@@ -43,4 +44,10 @@ public class TransactionManagerCustomizationAutoConfiguration {
 		return TransactionManagerCustomizers.of(customizers.orderedStream().toList());
 	}
 
+	@Bean
+	ExecutionListenersTransactionManagerCustomizer transactionExecutionListeners(
+			ObjectProvider<TransactionExecutionListener> listeners) {
+		return new ExecutionListenersTransactionManagerCustomizer(listeners.orderedStream().toList());
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/transaction/ExecutionListenersTransactionManagerCustomizerTests.java

@@ -0,0 +1,46 @@
+/*
+ * 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://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.springframework.boot.autoconfigure.transaction;
+
+import java.util.List;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.transaction.ConfigurableTransactionManager;
+import org.springframework.transaction.TransactionExecutionListener;
+
+import static org.mockito.BDDMockito.then;
+import static org.mockito.Mockito.mock;
+
+/**
+ * Tests for {@link ExecutionListenersTransactionManagerCustomizer}.
+ *
+ * @author Andy Wilkinson
+ */
+class ExecutionListenersTransactionManagerCustomizerTests {
+
+	@Test
+	void whenTransactionManagerIsCustomizedThenExecutionListenersAreAddedToIt() {
+		TransactionExecutionListener listener1 = mock(TransactionExecutionListener.class);
+		TransactionExecutionListener listener2 = mock(TransactionExecutionListener.class);
+		ConfigurableTransactionManager transactionManager = mock(ConfigurableTransactionManager.class);
+		new ExecutionListenersTransactionManagerCustomizer(List.of(listener1, listener2)).customize(transactionManager);
+		then(transactionManager).should().addListener(listener1);
+		then(transactionManager).should().addListener(listener2);
+	}
+
+}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/transaction/TransactionManagerCustomizationAutoConfigurationTests.java

@@ -43,8 +43,9 @@ class TransactionManagerCustomizationAutoConfigurationTests {
 			TransactionManagerCustomizers customizers = context.getBean(TransactionManagerCustomizers.class);
 			assertThat(customizers).extracting("customizers")
 				.asList()
-				.singleElement()
+				.hasSize(2)
-				.isInstanceOf(TransactionProperties.class);
+				.hasAtLeastOneElementOfType(TransactionProperties.class)
+				.hasAtLeastOneElementOfType(ExecutionListenersTransactionManagerCustomizer.class);
 		});
 	}