code optimization & correct comment (#724)

* code optimization & correct comment

* update changelog

CHANGELOG.md

@@ -9,3 +9,4 @@
 - [Test:support environment variable metadata test.](https://github.com/Tencent/spring-cloud-tencent/pull/711)
 - [upgrade protobuf-java.version to 3.21.7.](https://github.com/Tencent/spring-cloud-tencent/pull/717)
 - [docs:update README.](https://github.com/Tencent/spring-cloud-tencent/pull/720)
+- [Code optimization & correct comment](https://github.com/Tencent/spring-cloud-tencent/pull/724)

spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/config/PolarisCircuitBreakerAutoConfiguration.java

@@ -59,7 +59,7 @@ public class PolarisCircuitBreakerAutoConfiguration {
 			// Turn on circuitbreaker configuration
 			configuration.getConsumer().getCircuitBreaker().setEnable(true);
 
-			// Set excludeCircuitBreakInstances to false
+			// Set excludeCircuitBreakInstances to true
 			RecoverRouterConfig recoverRouterConfig = configuration.getConsumer().getServiceRouter()
 					.getPluginConfig(ServiceRouterConfig.DEFAULT_ROUTER_RECOVER, RecoverRouterConfig.class);
 

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/spring/property/SpringValueRegistry.java

@@ -21,6 +21,7 @@ import java.util.Collection;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 
@@ -33,6 +34,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import org.springframework.beans.factory.BeanFactory;
+import org.springframework.beans.factory.DisposableBean;
 
 /**
  * Spring value auto registry.
@@ -43,13 +45,14 @@ import org.springframework.beans.factory.BeanFactory;
  *
  * @author weihubeats 2022-7-10
  */
-public class SpringValueRegistry {
+public class SpringValueRegistry implements DisposableBean {
 	private static final Logger logger = LoggerFactory.getLogger(SpringValueRegistry.class);
 
 	private static final long CLEAN_INTERVAL_IN_SECONDS = 5;
 	private final Map<BeanFactory, Multimap<String, SpringValue>> registry = Maps.newConcurrentMap();
 	private final AtomicBoolean initialized = new AtomicBoolean(false);
 	private final Object LOCK = new Object();
+	private ScheduledExecutorService executor;
 
 	public void register(BeanFactory beanFactory, String key, SpringValue springValue) {
 		if (!registry.containsKey(beanFactory)) {
@@ -77,8 +80,9 @@ public class SpringValueRegistry {
 	}
 
 	private void initialize() {
-		Executors.newSingleThreadScheduledExecutor(
-				new NamedThreadFactory("polaris-spring-value-registry")).scheduleAtFixedRate(
+		executor = Executors.newSingleThreadScheduledExecutor(
+				new NamedThreadFactory("polaris-spring-value-registry"));
+		executor.scheduleAtFixedRate(
 				() -> {
 					try {
 						scanAndClean();
@@ -97,4 +101,9 @@ public class SpringValueRegistry {
 			springValues.entries().removeIf(springValue -> !springValue.getValue().isTargetBeanValid());
 		}
 	}
+
+	@Override
+	public void destroy() throws Exception {
+		executor.shutdown();
+	}
 }