Add support for Kafka immediateStop property

See gh-29884

Author: garyrussell

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/kafka/ConcurrentKafkaListenerContainerFactoryConfigurer.java

@@ -207,6 +207,7 @@ private void configureContainer(ContainerProperties container) {
 		map.from(properties::getLogContainerConfig).to(container::setLogContainerConfig);
 		map.from(properties::isOnlyLogRecordMetadata).to(container::setOnlyLogRecordMetadata);
 		map.from(properties::isMissingTopicsFatal).to(container::setMissingTopicsFatal);
+		map.from(properties::isImmediateStop).to(container::setStopImmediate);
 		map.from(this.transactionManager).to(container::setTransactionManager);
 		map.from(this.rebalanceListener).to(container::setConsumerRebalanceListener);
 	}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/kafka/KafkaProperties.java

@@ -946,6 +946,12 @@ public enum Type {
 		 */
 		private boolean missingTopicsFatal = false;
 
+		/**
+		 * Whether the container stops after the current record is processed or after all
+		 * the records from the previous poll are processed.
+		 */
+		private boolean immediateStop = false;
+
 		public Type getType() {
 			return this.type;
 		}
@@ -1066,6 +1072,14 @@ public void setMissingTopicsFatal(boolean missingTopicsFatal) {
 			this.missingTopicsFatal = missingTopicsFatal;
 		}
 
+		public boolean isImmediateStop() {
+			return this.immediateStop;
+		}
+
+		public void setImmediateStop(boolean immediateStop) {
+			this.immediateStop = immediateStop;
+		}
+
 	}
 
 	public static class Ssl {

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/kafka/KafkaAutoConfigurationTests.java

@@ -382,21 +382,20 @@ void streamsApplicationIdIsNotMandatoryIfEnableKafkaStreamsIsNotSet() {
 	@SuppressWarnings("unchecked")
 	@Test
 	void listenerProperties() {
-		this.contextRunner
-				.withPropertyValues("spring.kafka.template.default-topic=testTopic",
-						"spring.kafka.template.transaction-id-prefix=txOverride",
-						"spring.kafka.listener.ack-mode=MANUAL", "spring.kafka.listener.client-id=client",
-						"spring.kafka.listener.ack-count=123", "spring.kafka.listener.ack-time=456",
-						"spring.kafka.listener.concurrency=3", "spring.kafka.listener.poll-timeout=2000",
-						"spring.kafka.listener.no-poll-threshold=2.5", "spring.kafka.listener.type=batch",
-						"spring.kafka.listener.idle-between-polls=1s", "spring.kafka.listener.idle-event-interval=1s",
-						"spring.kafka.listener.idle-partition-event-interval=1s",
-						"spring.kafka.listener.monitor-interval=45", "spring.kafka.listener.log-container-config=true",
-						"spring.kafka.listener.only-log-record-metadata=true",
-						"spring.kafka.listener.missing-topics-fatal=true", "spring.kafka.jaas.enabled=true",
-						"spring.kafka.producer.transaction-id-prefix=foo", "spring.kafka.jaas.login-module=foo",
-						"spring.kafka.jaas.control-flag=REQUISITE", "spring.kafka.jaas.options.useKeyTab=true")
-				.run((context) -> {
+		this.contextRunner.withPropertyValues("spring.kafka.template.default-topic=testTopic",
+				"spring.kafka.template.transaction-id-prefix=txOverride", "spring.kafka.listener.ack-mode=MANUAL",
+				"spring.kafka.listener.client-id=client", "spring.kafka.listener.ack-count=123",
+				"spring.kafka.listener.ack-time=456", "spring.kafka.listener.concurrency=3",
+				"spring.kafka.listener.poll-timeout=2000", "spring.kafka.listener.no-poll-threshold=2.5",
+				"spring.kafka.listener.type=batch", "spring.kafka.listener.idle-between-polls=1s",
+				"spring.kafka.listener.idle-event-interval=1s",
+				"spring.kafka.listener.idle-partition-event-interval=1s", "spring.kafka.listener.monitor-interval=45",
+				"spring.kafka.listener.log-container-config=true",
+				"spring.kafka.listener.only-log-record-metadata=true",
+				"spring.kafka.listener.missing-topics-fatal=true", "spring.kafka.jaas.enabled=true",
+				"spring.kafka.listener.immediate-stop=true", "spring.kafka.producer.transaction-id-prefix=foo",
+				"spring.kafka.jaas.login-module=foo", "spring.kafka.jaas.control-flag=REQUISITE",
+				"spring.kafka.jaas.options.useKeyTab=true").run((context) -> {
 					DefaultKafkaProducerFactory<?, ?> producerFactory = context
 							.getBean(DefaultKafkaProducerFactory.class);
 					DefaultKafkaConsumerFactory<?, ?> consumerFactory = context
@@ -423,6 +422,7 @@ void listenerProperties() {
 					assertThat(containerProperties.isLogContainerConfig()).isTrue();
 					assertThat(containerProperties.isOnlyLogRecordMetadata()).isTrue();
 					assertThat(containerProperties.isMissingTopicsFatal()).isTrue();
+					assertThat(containerProperties.isStopImmediate()).isTrue();
 					assertThat(kafkaListenerContainerFactory).extracting("concurrency").isEqualTo(3);
 					assertThat(kafkaListenerContainerFactory.isBatchListener()).isTrue();
 					assertThat(context.getBeansOfType(KafkaJaasLoginModuleInitializer.class)).hasSize(1);