Polish "Set virtual thread names for RabbitMQ and Pulsar"

See gh-39958

Author: mhalbritter

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/amqp/RabbitAnnotationDrivenConfiguration.java

@@ -47,16 +47,6 @@
 @ConditionalOnClass(EnableRabbit.class)
 class RabbitAnnotationDrivenConfiguration {
 
-	/**
-	 * Default Name of the thread created for simple rabbit listener.
-	 */
-	public static final String THREADNAME_RABBIT_SIMPLE = "rabbit-simple-";
-
-	/**
-	 * Default Name of the thread created for direct rabbit listener.
-	 */
-	public static final String THREADNAME_RABBIT_DIRECT = "rabbit-direct-";
-
 	private final ObjectProvider<MessageConverter> messageConverter;
 
 	private final ObjectProvider<MessageRecoverer> messageRecoverer;
@@ -86,7 +76,7 @@ SimpleRabbitListenerContainerFactoryConfigurer simpleRabbitListenerContainerFact
 	@ConditionalOnThreading(Threading.VIRTUAL)
 	SimpleRabbitListenerContainerFactoryConfigurer simpleRabbitListenerContainerFactoryConfigurerVirtualThreads() {
 		SimpleRabbitListenerContainerFactoryConfigurer configurer = simpleListenerConfigurer();
-		configurer.setTaskExecutor(new VirtualThreadTaskExecutor(THREADNAME_RABBIT_SIMPLE));
+		configurer.setTaskExecutor(new VirtualThreadTaskExecutor("rabbit-simple-"));
 		return configurer;
 	}
 
@@ -115,7 +105,7 @@ DirectRabbitListenerContainerFactoryConfigurer directRabbitListenerContainerFact
 	@ConditionalOnThreading(Threading.VIRTUAL)
 	DirectRabbitListenerContainerFactoryConfigurer directRabbitListenerContainerFactoryConfigurerVirtualThreads() {
 		DirectRabbitListenerContainerFactoryConfigurer configurer = directListenerConfigurer();
-		configurer.setTaskExecutor(new VirtualThreadTaskExecutor(THREADNAME_RABBIT_DIRECT));
+		configurer.setTaskExecutor(new VirtualThreadTaskExecutor("rabbit-direct-"));
 		return configurer;
 	}
 

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/pulsar/PulsarAutoConfiguration.java

@@ -73,19 +73,9 @@
 @Import(PulsarConfiguration.class)
 public class PulsarAutoConfiguration {
 
-	/**
-	 * Default Name of the thread created for pulsar consumer.
-	 */
-	public static final String THREADNAME_PULSAR_CONSUMER = "pulsar-consumer-";
+	private final PulsarProperties properties;
 
-	/**
-	 * Default Name of the thread created for pulsar task executor.
-	 */
-	public static final String THREADNAME_PULSAR_TASKEXECUTOR = "pulsar-taskexecutor-";
-
-	private PulsarProperties properties;
-
-	private PulsarPropertiesMapper propertiesMapper;
+	private final PulsarPropertiesMapper propertiesMapper;
 
 	PulsarAutoConfiguration(PulsarProperties properties) {
 		this.properties = properties;
@@ -168,7 +158,7 @@ ConcurrentPulsarListenerContainerFactory<?> pulsarListenerContainerFactory(
 		containerProperties.setSchemaResolver(schemaResolver);
 		containerProperties.setTopicResolver(topicResolver);
 		if (Threading.VIRTUAL.isActive(environment)) {
-			containerProperties.setConsumerTaskExecutor(new VirtualThreadTaskExecutor(THREADNAME_PULSAR_CONSUMER));
+			containerProperties.setConsumerTaskExecutor(new VirtualThreadTaskExecutor("pulsar-consumer-"));
 		}
 		this.propertiesMapper.customizeContainerProperties(containerProperties);
 		return new ConcurrentPulsarListenerContainerFactory<>(pulsarConsumerFactory, containerProperties);
@@ -199,8 +189,7 @@ DefaultPulsarReaderContainerFactory<?> pulsarReaderContainerFactory(PulsarReader
 		PulsarReaderContainerProperties readerContainerProperties = new PulsarReaderContainerProperties();
 		readerContainerProperties.setSchemaResolver(schemaResolver);
 		if (Threading.VIRTUAL.isActive(environment)) {
-			readerContainerProperties
-				.setReaderTaskExecutor(new VirtualThreadTaskExecutor(THREADNAME_PULSAR_TASKEXECUTOR));
+			readerContainerProperties.setReaderTaskExecutor(new VirtualThreadTaskExecutor("pulsar-reader-"));
 		}
 		this.propertiesMapper.customizeReaderContainerProperties(readerContainerProperties);
 		return new DefaultPulsarReaderContainerFactory<>(pulsarReaderFactory, readerContainerProperties);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/amqp/RabbitAutoConfigurationTests.java

@@ -552,11 +552,10 @@ void shouldConfigureVirtualThreadsForSimpleListener() {
 				.getBean("rabbitListenerContainerFactory", SimpleRabbitListenerContainerFactory.class);
 			assertThat(rabbitListenerContainerFactory).extracting("taskExecutor")
 				.isInstanceOf(VirtualThreadTaskExecutor.class);
-			final var taskExecutor = ReflectionTestUtils.getField(rabbitListenerContainerFactory, "taskExecutor");
-			final var virtualThread = ReflectionTestUtils.getField(taskExecutor, "virtualThreadFactory");
-			final var threadCreated = ((ThreadFactory) virtualThread).newThread(mock(Runnable.class));
-			assertThat(threadCreated.getName())
-				.containsPattern(RabbitAnnotationDrivenConfiguration.THREADNAME_RABBIT_SIMPLE + "[0-9]*");
+			Object taskExecutor = ReflectionTestUtils.getField(rabbitListenerContainerFactory, "taskExecutor");
+			Object virtualThread = ReflectionTestUtils.getField(taskExecutor, "virtualThreadFactory");
+			Thread threadCreated = ((ThreadFactory) virtualThread).newThread(mock(Runnable.class));
+			assertThat(threadCreated.getName()).containsPattern("rabbit-simple-[0-9]+");
 
 		});
 	}
@@ -570,11 +569,10 @@ void shouldConfigureVirtualThreadsForDirectListener() {
 					DirectRabbitListenerContainerFactoryConfigurer.class);
 			assertThat(rabbitListenerContainerFactory).extracting("taskExecutor")
 				.isInstanceOf(VirtualThreadTaskExecutor.class);
-			final var taskExecutor = ReflectionTestUtils.getField(rabbitListenerContainerFactory, "taskExecutor");
-			final var virtualThread = ReflectionTestUtils.getField(taskExecutor, "virtualThreadFactory");
-			final var threadCreated = ((ThreadFactory) virtualThread).newThread(mock(Runnable.class));
-			assertThat(threadCreated.getName())
-				.containsPattern(RabbitAnnotationDrivenConfiguration.THREADNAME_RABBIT_DIRECT + "[0-9]*");
+			Object taskExecutor = ReflectionTestUtils.getField(rabbitListenerContainerFactory, "taskExecutor");
+			Object virtualThread = ReflectionTestUtils.getField(taskExecutor, "virtualThreadFactory");
+			Thread threadCreated = ((ThreadFactory) virtualThread).newThread(mock(Runnable.class));
+			assertThat(threadCreated.getName()).containsPattern("rabbit-direct-[0-9]+");
 
 		});
 	}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/pulsar/PulsarAutoConfigurationTests.java

@@ -508,11 +508,10 @@ void whenVirtualThreadsAreEnabledOnJava21AndLaterListenerContainerShouldUseVirtu
 					.getBean(ConcurrentPulsarListenerContainerFactory.class);
 				assertThat(factory.getContainerProperties().getConsumerTaskExecutor())
 					.isInstanceOf(VirtualThreadTaskExecutor.class);
-				final var taskExecutor = factory.getContainerProperties().getConsumerTaskExecutor();
-				final var virtualThread = ReflectionTestUtils.getField(taskExecutor, "virtualThreadFactory");
-				final var threadCreated = ((ThreadFactory) virtualThread).newThread(mock(Runnable.class));
-				assertThat(threadCreated.getName())
-					.containsPattern(PulsarAutoConfiguration.THREADNAME_PULSAR_CONSUMER + "[0-9]*");
+				Object taskExecutor = factory.getContainerProperties().getConsumerTaskExecutor();
+				Object virtualThread = ReflectionTestUtils.getField(taskExecutor, "virtualThreadFactory");
+				Thread threadCreated = ((ThreadFactory) virtualThread).newThread(mock(Runnable.class));
+				assertThat(threadCreated.getName()).containsPattern("pulsar-consumer-[0-9]+");
 			});
 		}
 
@@ -568,11 +567,10 @@ void whenVirtualThreadsAreEnabledOnJava21AndLaterReaderShouldUseVirtualThreads()
 					.getBean(DefaultPulsarReaderContainerFactory.class);
 				assertThat(factory.getContainerProperties().getReaderTaskExecutor())
 					.isInstanceOf(VirtualThreadTaskExecutor.class);
-				final var taskExecutor = factory.getContainerProperties().getReaderTaskExecutor();
-				final var virtualThread = ReflectionTestUtils.getField(taskExecutor, "virtualThreadFactory");
-				final var threadCreated = ((ThreadFactory) virtualThread).newThread(mock(Runnable.class));
-				assertThat(threadCreated.getName())
-					.containsPattern(PulsarAutoConfiguration.THREADNAME_PULSAR_TASKEXECUTOR + "[0-9]*");
+				Object taskExecutor = factory.getContainerProperties().getReaderTaskExecutor();
+				Object virtualThread = ReflectionTestUtils.getField(taskExecutor, "virtualThreadFactory");
+				Thread threadCreated = ((ThreadFactory) virtualThread).newThread(mock(Runnable.class));
+				assertThat(threadCreated.getName()).containsPattern("pulsar-reader-[0-9]+");
 			});
 		}