optimize: fix StyleCheck errors for hippo4j (#1291)

* optimize: fix StyleCheck errors for hippo4j

* ignore TypeName error

agents/threadpool/hippo4j-agent-plugin/apollo-plugin/src/main/java/cn/hippo4j/agent/plugin/apollo/boot/ApolloPluginBootService.java

@@ -20,6 +20,9 @@ package cn.hippo4j.agent.plugin.apollo.boot;
 import cn.hippo4j.agent.core.boot.BootService;
 import cn.hippo4j.agent.core.boot.DefaultImplementor;
 
+/**
+ * Apollo plugin boot service
+ */
 @DefaultImplementor
 public class ApolloPluginBootService implements BootService {
 

agents/threadpool/hippo4j-agent-plugin/apollo-plugin/src/main/java/cn/hippo4j/agent/plugin/apollo/define/ApolloInstrumentation.java

@@ -27,6 +27,9 @@ import net.bytebuddy.matcher.ElementMatcher;
 
 import static net.bytebuddy.matcher.ElementMatchers.any;
 
+/**
+ * Apollo instrumentation
+ */
 public class ApolloInstrumentation extends ClassInstanceMethodsEnhancePluginDefine {
 
     private static final String ENHANCE_CLASS = "com.ctrip.framework.apollo.internals.DefaultConfig";

agents/threadpool/hippo4j-agent-plugin/apollo-plugin/src/main/java/cn/hippo4j/agent/plugin/apollo/interceptor/DefaultConfigConstructorInterceptor.java

@@ -20,6 +20,9 @@ package cn.hippo4j.agent.plugin.apollo.interceptor;
 import cn.hippo4j.agent.core.plugin.interceptor.enhance.EnhancedInstance;
 import cn.hippo4j.agent.core.plugin.interceptor.enhance.InstanceConstructorInterceptor;
 
+/**
+ * Default config constructor interceptor
+ */
 public class DefaultConfigConstructorInterceptor implements InstanceConstructorInterceptor {
 
     @Override

agents/threadpool/hippo4j-agent-plugin/spring-plugins/spring-boot-1.x-plugin/src/main/java/cn/hippo4j/agent/plugin/spring/boot/v1/DynamicThreadPoolChangeHandlerSpring1x.java

@@ -36,6 +36,9 @@ import java.util.Set;
 
 import static cn.hippo4j.config.springboot1x.starter.refresher.SpringBoot1xBootstrapConfigPropertiesBinderAdapt.getNames;
 
+/**
+ * Dynamic thread pool change handler spring 1x
+ */
 public class DynamicThreadPoolChangeHandlerSpring1x extends AbstractDynamicThreadPoolChangeHandlerSpring {
 
     public DynamicThreadPoolChangeHandlerSpring1x(ConfigurableApplicationContext context) {

agents/threadpool/hippo4j-agent-plugin/spring-plugins/spring-boot-1.x-plugin/src/main/java/cn/hippo4j/agent/plugin/spring/boot/v1/define/EventPublishingRunListenerInstrumentation.java

@@ -27,6 +27,9 @@ import net.bytebuddy.matcher.ElementMatcher;
 import static net.bytebuddy.matcher.ElementMatchers.named;
 import static cn.hippo4j.agent.core.plugin.match.NameMatch.byName;
 
+/**
+ * Event publishing run listener instrumentation
+ */
 public class EventPublishingRunListenerInstrumentation extends ClassInstanceMethodsEnhancePluginDefine {
 
     private static final String ENHANCE_CLASS = "org.springframework.boot.context.event.EventPublishingRunListener";

agents/threadpool/hippo4j-agent-plugin/spring-plugins/spring-boot-1.x-plugin/src/main/java/cn/hippo4j/agent/plugin/spring/boot/v1/interceptor/EventPublishingFinishedInterceptor.java

@@ -32,6 +32,9 @@ import org.springframework.context.ConfigurableApplicationContext;
 
 import java.lang.reflect.Method;
 
+/**
+ * Event publishing finished interceptor
+ */
 public class EventPublishingFinishedInterceptor implements InstanceMethodsAroundInterceptor {
 
     private static final ILog FILE_LOGGER = LogManager.getLogger(EventPublishingFinishedInterceptor.class);

agents/threadpool/hippo4j-agent-plugin/spring-plugins/spring-boot-2.x-plugin/src/main/java/cn/hippo4j/agent/plugin/spring/boot/v2/DynamicThreadPoolChangeHandlerSpring2x.java

@@ -28,6 +28,9 @@ import org.springframework.context.ConfigurableApplicationContext;
 
 import java.util.Map;
 
+/**
+ * Dynamic thread pool change handler spring 2x
+ */
 public class DynamicThreadPoolChangeHandlerSpring2x extends AbstractDynamicThreadPoolChangeHandlerSpring {
 
     public DynamicThreadPoolChangeHandlerSpring2x(ConfigurableApplicationContext context) {

agents/threadpool/hippo4j-agent-plugin/spring-plugins/spring-boot-2.x-plugin/src/main/java/cn/hippo4j/agent/plugin/spring/boot/v2/define/EventPublishingRunListenerInstrumentation.java

@@ -27,6 +27,9 @@ import net.bytebuddy.matcher.ElementMatcher;
 import static net.bytebuddy.matcher.ElementMatchers.named;
 import static cn.hippo4j.agent.core.plugin.match.NameMatch.byName;
 
+/**
+ * Event publishing run listener instrumentation
+ */
 public class EventPublishingRunListenerInstrumentation extends ClassInstanceMethodsEnhancePluginDefine {
 
     private static final String ENHANCE_CLASS = "org.springframework.boot.context.event.EventPublishingRunListener";

agents/threadpool/hippo4j-agent-plugin/spring-plugins/spring-boot-2.x-plugin/src/main/java/cn/hippo4j/agent/plugin/spring/boot/v2/interceptor/EventPublishingStartedInterceptor.java

@@ -30,6 +30,9 @@ import org.springframework.context.ConfigurableApplicationContext;
 
 import java.lang.reflect.Method;
 
+/**
+ * Event publishing started interceptor
+ */
 public class EventPublishingStartedInterceptor implements InstanceMethodsAroundInterceptor {
 
     private static final ILog LOGGER = LogManager.getLogger(EventPublishingStartedInterceptor.class);

agents/threadpool/hippo4j-agent-plugin/spring-plugins/spring-plugin-common/src/main/java/cn/hippo4j/agent/plugin/spring/common/conf/SpringBootConfig.java

@@ -22,22 +22,37 @@ import cn.hippo4j.agent.core.boot.SpringBootConfigNode;
 import java.util.Arrays;
 import java.util.List;
 
+/**
+ * Spring boot config
+ */
 public class SpringBootConfig {
 
+    /**
+     *  Spring
+     */
     public static class Spring {
 
+        /**
+         * Dynamic
+         */
         public static class Dynamic {
 
+            /**
+             * ThreadPool
+             */
             @SpringBootConfigNode(root = SpringBootConfig.class)
             public static class Thread_Pool {
 
+                /**
+                 * Apollo
+                 */
                 @SpringBootConfigNode(root = SpringBootConfig.class)
                 public static class Apollo {
 
-                    public static List<String> NAMESPACE = Arrays.asList("application");
+                    public static final List<String> NAMESPACE = Arrays.asList("application");
                 }
 
-                public static String CONFIG_FILE_TYPE;
+                public static final String CONFIG_FILE_TYPE = null;
             }
         }
     }

agents/threadpool/hippo4j-agent-plugin/spring-plugins/spring-plugin-common/src/main/java/cn/hippo4j/agent/plugin/spring/common/interceptor/EventPublishingRunListenerEnvironmentPreparedInterceptor.java

@@ -27,6 +27,9 @@ import org.springframework.core.env.ConfigurableEnvironment;
 
 import java.lang.reflect.Method;
 
+/**
+ * Event publishing run listener environment prepared interceptor
+ */
 public class EventPublishingRunListenerEnvironmentPreparedInterceptor implements InstanceMethodsAroundInterceptor {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(EventPublishingRunListenerEnvironmentPreparedInterceptor.class);

agents/threadpool/hippo4j-agent-plugin/spring-plugins/spring-plugin-common/src/main/java/cn/hippo4j/agent/plugin/spring/common/support/AbstractDynamicThreadPoolChangeHandlerSpring.java

@@ -56,6 +56,9 @@ import static cn.hippo4j.agent.core.conf.Constants.SPRING_BOOT_CONFIG_PREFIX;
 import static cn.hippo4j.common.constant.ChangeThreadPoolConstants.CHANGE_DELIMITER;
 import static cn.hippo4j.common.constant.ChangeThreadPoolConstants.CHANGE_THREAD_POOL_TEXT;
 
+/**
+ * Abstract dynamic thread poo change handler spring
+ */
 public abstract class AbstractDynamicThreadPoolChangeHandlerSpring implements IDynamicThreadPoolChangeHandlerSpring {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(AbstractDynamicThreadPoolChangeHandlerSpring.class);

agents/threadpool/hippo4j-agent-plugin/spring-plugins/spring-plugin-common/src/main/java/cn/hippo4j/agent/plugin/spring/common/support/IDynamicThreadPoolChangeHandlerSpring.java

@@ -17,6 +17,9 @@
 
 package cn.hippo4j.agent.plugin.spring.common.support;
 
+/**
+ * IDynamic thread pool change handler spring
+ */
 public interface IDynamicThreadPoolChangeHandlerSpring {
 
     void registerApolloConfigHandler();

agents/threadpool/hippo4j-agent-plugin/spring-plugins/spring-plugin-common/src/main/java/cn/hippo4j/agent/plugin/spring/common/support/SpringEnvironmentSupport.java

@@ -23,6 +23,9 @@ import org.springframework.core.env.MapPropertySource;
 import java.util.HashMap;
 import java.util.Map;
 
+/**
+ * Spring environment support
+ */
 public class SpringEnvironmentSupport {
 
     public static void disableNonAgentSwitch(ConfigurableEnvironment environment) {

agents/threadpool/hippo4j-agent-plugin/spring-plugins/spring-plugin-common/src/main/java/cn/hippo4j/agent/plugin/spring/common/support/SpringPropertiesLoader.java

@@ -29,6 +29,9 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Properties;
 
+/**
+ * Spring properties loader
+ */
 public class SpringPropertiesLoader {
 
     private static final ILog LOGGER = LogManager.getLogger(SpringPropertiesLoader.class);

agents/threadpool/hippo4j-agent-plugin/spring-plugins/spring-plugin-common/src/main/java/cn/hippo4j/agent/plugin/spring/common/support/SpringThreadPoolRegisterSupport.java

@@ -20,6 +20,7 @@ package cn.hippo4j.agent.plugin.spring.common.support;
 import cn.hippo4j.agent.core.registry.AgentThreadPoolInstanceRegistry;
 import cn.hippo4j.agent.core.util.ReflectUtil;
 import cn.hippo4j.agent.core.util.ThreadPoolPropertyKey;
+import cn.hippo4j.common.constant.Constants;
 import cn.hippo4j.common.executor.support.BlockingQueueTypeEnum;
 import cn.hippo4j.common.executor.support.RejectedPolicyTypeEnum;
 import cn.hippo4j.common.toolkit.BooleanUtil;
@@ -33,6 +34,9 @@ import java.util.Properties;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
+/**
+ * Spring thread pool register support
+ */
 public class SpringThreadPoolRegisterSupport {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(SpringThreadPoolRegisterSupport.class);
@@ -71,7 +75,7 @@ public class SpringThreadPoolRegisterSupport {
         properties.put(ThreadPoolPropertyKey.QUEUE_CAPACITY, executor.getQueue().remainingCapacity());
         properties.put(ThreadPoolPropertyKey.THREAD_NAME_PREFIX, threadPoolId);
         properties.put(ThreadPoolPropertyKey.REJECTED_HANDLER, RejectedPolicyTypeEnum.getRejectedPolicyTypeEnumByName(executor.getRejectedExecutionHandler().getClass().getSimpleName()).getName());
-        properties.put(ThreadPoolPropertyKey.EXECUTE_TIME_OUT, 10000L);
+        properties.put(ThreadPoolPropertyKey.EXECUTE_TIME_OUT, Constants.EXECUTE_TIME_OUT);
 
         // register executor.
         AgentThreadPoolInstanceRegistry.getInstance().putHolder(threadPoolId, executor, properties);

agents/threadpool/hippo4j-agent-plugin/thread-pool-plugin/src/main/java/cn/hippo4j/agent/plugin/thread/pool/define/ThreadPoolExecutorInstrumentation.java

@@ -27,6 +27,9 @@ import net.bytebuddy.matcher.ElementMatcher;
 
 import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
 
+/**
+ * Thread pool executor instrumentation
+ */
 public class ThreadPoolExecutorInstrumentation extends ClassInstanceMethodsEnhancePluginDefine {
 
     private static final String ENHANCE_CLASS = "java.util.concurrent.ThreadPoolExecutor";

agents/threadpool/hippo4j-agent-plugin/thread-pool-plugin/src/main/java/cn/hippo4j/agent/plugin/thread/pool/interceptor/ThreadPoolExecutorConstructorMethodInterceptor.java

@@ -31,12 +31,17 @@ import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.ThreadPoolExecutor;
 
+/**
+ * Thread pool executor constructor method interceptor
+ */
 public class ThreadPoolExecutorConstructorMethodInterceptor implements InstanceConstructorInterceptor {
 
     private static final ILog LOGGER = LogManager.getLogger(ThreadPoolExecutorConstructorMethodInterceptor.class);
 
     private static final List<String> EXCLUDE_STACK_TRACE_ELEMENT_CLASS_PREFIX = Arrays.asList("java", "cn.hippo4j.agent");
 
+    private static final int INITIAL_CAPACITY = 3;
+
     @Override
     public void onConstruct(EnhancedInstance objInst, Object[] allArguments) throws Throwable {
 
@@ -64,8 +69,8 @@ public class ThreadPoolExecutorConstructorMethodInterceptor implements InstanceC
             }
         }
 
-        List<StackTraceElement> result = new ArrayList<>(3); // Find up to three layers
-        for (int j = 0; i < stackTraceElements.length && j < 3; i++, j++) {
+        List<StackTraceElement> result = new ArrayList<>(INITIAL_CAPACITY); // Find up to three layers
+        for (int j = 0; i < stackTraceElements.length && j < INITIAL_CAPACITY; i++, j++) {
             String fullClassName = stackTraceElements[i].getClassName();
             if (isExcludeThreadPoolClass(fullClassName)) {
                 break;

checkstyle/hippo4j_checkstyle_suppression.xml

@@ -29,4 +29,5 @@
     <suppress checks="MagicNumber" files="UndertowWebThreadPoolHandler.java"/>
     <suppress checks="MagicNumber" files="DashboardServiceImpl.java"/>
     <suppress checks="MagicNumber" files="DefaultThreadPoolCheckAlarmHandler.java"/>
+    <suppress checks="TypeName" files="SpringBootConfig.java"/>
 </suppressions>

examples/threadpool-example/config/config-apollo-spring-boot-1x/src/main/java/cn/hippo4j/example/config/apollo/ConfigApolloSpringBoot1xExampleApplication.java

@@ -21,6 +21,9 @@ import cn.hippo4j.core.enable.EnableDynamicThreadPool;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * Config apollo spring boot 1x example application
+ */
 @EnableDynamicThreadPool
 @SpringBootApplication(scanBasePackages = "cn.hippo4j.example.core")
 public class ConfigApolloSpringBoot1xExampleApplication {

examples/threadpool-example/config/config-apollo/src/main/java/cn/hippo4j/example/config/apollo/ConfigApolloExampleApplication.java

@@ -21,6 +21,9 @@ import cn.hippo4j.core.enable.EnableDynamicThreadPool;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * Config apollo example application
+ */
 @EnableDynamicThreadPool
 @SpringBootApplication(scanBasePackages = "cn.hippo4j.example.core")
 public class ConfigApolloExampleApplication {

examples/threadpool-example/config/config-consul-spring-boot/src/main/java/cn/hippo4j/example/config/consul/ConfigConsulExampleApplication.java

@@ -21,6 +21,9 @@ import cn.hippo4j.core.enable.EnableDynamicThreadPool;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * Config consul example application
+ */
 @EnableDynamicThreadPool
 @SpringBootApplication(scanBasePackages = "cn.hippo4j.example")
 public class ConfigConsulExampleApplication {

examples/threadpool-example/config/config-etcd/src/main/java/cn/hippo4j/example/config/etcd/controller/TestController.java

@@ -17,6 +17,7 @@
 
 package cn.hippo4j.example.config.etcd.controller;
 
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -29,6 +30,7 @@ import java.util.concurrent.ThreadPoolExecutor;
  * @date : 2022/9/2 19:18
  * @description:
  */
+@Slf4j
 @RestController
 @RequestMapping
 public class TestController {
@@ -38,6 +40,6 @@ public class TestController {
 
     @GetMapping("test")
     public void test() {
-        System.out.println(messageConsumeDynamicExecutor.getMaximumPoolSize());
+        log.info(String.valueOf(messageConsumeDynamicExecutor.getMaximumPoolSize()));
     }
 }

examples/threadpool-example/config/config-nacos-spring-boot-1x/src/main/java/cn/hippo4j/example/config/nacos/ConfigNacosSpringBoot15ExampleApplication.java

@@ -21,6 +21,9 @@ import cn.hippo4j.core.enable.EnableDynamicThreadPool;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * Config nacos spring boot 1.5 example application
+ */
 @EnableDynamicThreadPool
 @SpringBootApplication(scanBasePackages = "cn.hippo4j.example.core")
 public class ConfigNacosSpringBoot15ExampleApplication {

examples/threadpool-example/config/config-nacos/src/main/java/cn/hippo4j/example/config/nacos/ConfigNacosExampleApplication.java

@@ -21,6 +21,9 @@ import cn.hippo4j.core.enable.EnableDynamicThreadPool;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * Config nacos example application
+ */
 @EnableDynamicThreadPool
 @SpringBootApplication(scanBasePackages = "cn.hippo4j.example.core")
 public class ConfigNacosExampleApplication {

examples/threadpool-example/config/config-zookeeper/src/main/java/cn/hippo4j/example/config/zookeeper/ConfigZookeeperExampleApplication.java

@@ -21,6 +21,9 @@ import cn.hippo4j.core.enable.EnableDynamicThreadPool;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * Config zookeeper example application
+ */
 @EnableDynamicThreadPool
 @SpringBootApplication(scanBasePackages = "cn.hippo4j.example.core")
 public class ConfigZookeeperExampleApplication {

examples/threadpool-example/example-core/src/main/java/cn/hippo4j/example/core/config/DynamicThreadPoolConfig.java

@@ -50,6 +50,16 @@ public class DynamicThreadPoolConfig {
     public static final ThreadPoolExecutor FIELD2 = new ThreadPoolExecutor(10, 20,
             1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<>(20));
 
+    private static final long EXECUTE_TIMEOUT = 800L;
+
+    private static final long AWAIT_TERMINATION_MILLIS = 5000L;
+
+    private static final int MAX_QUEUE_CAPACITY = 200;
+
+    private static final int CORE_POOL_SIZE = AVAILABLE_PROCESSORS * 2;
+
+    private static final int MAX_POOL_SIZE = AVAILABLE_PROCESSORS * 4;
+
     @Bean
     @DynamicThreadPool
     public Executor messageConsumeTtlDynamicThreadPool() {
@@ -58,9 +68,9 @@ public class DynamicThreadPoolConfig {
                 .dynamicPool()
                 .threadFactory(threadPoolId)
                 .threadPoolId(threadPoolId)
-                .executeTimeOut(800L)
+                .executeTimeOut(EXECUTE_TIMEOUT)
                 .waitForTasksToCompleteOnShutdown(true)
-                .awaitTerminationMillis(5000L)
+                .awaitTerminationMillis(AWAIT_TERMINATION_MILLIS)
                 .taskDecorator(new TaskTraceBuilderHandler())
                 .build();
         // Ali ttl adaptation use case.
@@ -86,10 +96,9 @@ public class DynamicThreadPoolConfig {
     public ThreadPoolTaskExecutor testSpringThreadPoolTaskExecutor() {
         ThreadPoolTaskExecutor threadPoolTaskExecutor = new ThreadPoolTaskExecutor();
         threadPoolTaskExecutor.setThreadNamePrefix("test-spring-task-executor_");
-        int maxQueueCapacity = 200;
-        threadPoolTaskExecutor.setCorePoolSize(AVAILABLE_PROCESSORS * 2);
-        threadPoolTaskExecutor.setMaxPoolSize(AVAILABLE_PROCESSORS * 4);
-        threadPoolTaskExecutor.setQueueCapacity(maxQueueCapacity);
+        threadPoolTaskExecutor.setCorePoolSize(CORE_POOL_SIZE);
+        threadPoolTaskExecutor.setMaxPoolSize(MAX_POOL_SIZE);
+        threadPoolTaskExecutor.setQueueCapacity(MAX_QUEUE_CAPACITY);
         threadPoolTaskExecutor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
         threadPoolTaskExecutor.setTaskDecorator(new TaskDecoratorTest.ContextCopyingDecorator());
         return threadPoolTaskExecutor;

examples/threadpool-example/example-core/src/main/java/cn/hippo4j/example/core/handler/ErrorLogRejectedExecutionHandler.java

@@ -29,9 +29,11 @@ import java.util.concurrent.ThreadPoolExecutor;
  */
 public class ErrorLogRejectedExecutionHandler implements CustomRejectedExecutionHandler {
 
+    private static final int REJECTED_TYPE = 12;
+
     @Override
     public Integer getType() {
-        return 12;
+        return REJECTED_TYPE;
     }
 
     @Override
@@ -39,6 +41,9 @@ public class ErrorLogRejectedExecutionHandler implements CustomRejectedExecution
         return new CustomErrorLogRejectedExecutionHandler();
     }
 
+    /**
+     * Custom Error Log Rejected Execution Handler
+     */
     public static class CustomErrorLogRejectedExecutionHandler implements RejectedExecutionHandler {
 
         @Override

examples/threadpool-example/example-core/src/main/java/cn/hippo4j/example/core/inittest/AlarmSendMessageTest.java

@@ -35,6 +35,10 @@ import java.util.concurrent.TimeUnit;
 @Component
 public class AlarmSendMessageTest {
 
+    private static final int SLEEP_TIME = 10240124;
+
+    private static final int INITIAL_DELAY = 3;
+
     /**
      * Test alarm notification.
      * If you need to run this single test, add @PostConstruct to the method.
@@ -48,7 +52,7 @@ public class AlarmSendMessageTest {
             try {
                 poolExecutor.execute(() -> {
                     try {
-                        Thread.sleep(10240124);
+                        Thread.sleep(SLEEP_TIME);
                     } catch (InterruptedException e) {
                         throw new RuntimeException(e);
                     }
@@ -56,6 +60,6 @@ public class AlarmSendMessageTest {
             } catch (Exception ex) {
                 log.error("Throw reject policy.", ex.getMessage());
             }
-        }, 3, 1, TimeUnit.SECONDS);
+        }, INITIAL_DELAY, 1, TimeUnit.SECONDS);
     }
 }

examples/threadpool-example/example-core/src/main/java/cn/hippo4j/example/core/inittest/RegisterDynamicThreadPoolTest.java

@@ -35,33 +35,41 @@ import java.util.concurrent.ThreadPoolExecutor;
 @Slf4j
 public class RegisterDynamicThreadPoolTest {
 
+    private static final int CAPACITY = 1024;
+    private static final long KEEP_ALIVE_TIME = 1024L;
+    private static final long EXECUTE_TIMEOUT = 1024L;
+    private static final int CAPACITY_ALARM = 90;
+    private static final int ACTIVE_ALARM = 90;
+    private static final int CORE_NOTIFY_INTERVAL = 5;
+    private static final int SERVER_NOTIFY_INTERVAL = 10;
+
     public static ThreadPoolExecutor registerDynamicThreadPool(String threadPoolId) {
         DynamicThreadPoolRegisterParameter parameterInfo = DynamicThreadPoolRegisterParameter.builder()
                 .corePoolSize(1)
                 .maximumPoolSize(2)
                 .blockingQueueType(BlockingQueueTypeEnum.LINKED_BLOCKING_QUEUE)
-                .capacity(1024)
+                .capacity(CAPACITY)
                 // TimeUnit.SECONDS
-                .keepAliveTime(1024L)
+                .keepAliveTime(KEEP_ALIVE_TIME)
                 // TimeUnit.MILLISECONDS
-                .executeTimeOut(1024L)
+                .executeTimeOut(EXECUTE_TIMEOUT)
                 .rejectedPolicyType(RejectedPolicyTypeEnum.DISCARD_POLICY)
                 .isAlarm(true)
                 .allowCoreThreadTimeOut(false)
-                .capacityAlarm(90)
-                .activeAlarm(90)
+                .capacityAlarm(CAPACITY_ALARM)
+                .activeAlarm(ACTIVE_ALARM)
                 .threadPoolId(threadPoolId)
                 .threadNamePrefix(threadPoolId)
                 .build();
         // Core mode and server mode, you can choose one of them.
         DynamicThreadPoolRegisterCoreNotifyParameter coreNotifyParameter = DynamicThreadPoolRegisterCoreNotifyParameter.builder()
                 .receives("chen.ma")
-                .interval(5)
+                .interval(CORE_NOTIFY_INTERVAL)
                 .build();
         DynamicThreadPoolRegisterServerNotifyParameter serverNotifyParameter = DynamicThreadPoolRegisterServerNotifyParameter.builder()
                 .platform(NotifyPlatformEnum.WECHAT.name())
                 .accessToken("7487d0a0-20ec-40ab-b67b-ce68db406b37")
-                .interval(10)
+                .interval(SERVER_NOTIFY_INTERVAL)
                 .receives("chen.ma")
                 .build();
         DynamicThreadPoolRegisterWrapper registerWrapper = DynamicThreadPoolRegisterWrapper.builder()

examples/threadpool-example/example-core/src/main/java/cn/hippo4j/example/core/inittest/RunStateHandlerTest.java

@@ -44,6 +44,12 @@ public class RunStateHandlerTest {
     @Resource
     private ThreadPoolExecutor messageProduceDynamicThreadPool;
 
+    private static final int MAX_RANDOM = 10;
+    private static final int SLEEP_500 = 500;
+    private static final int SLEEP_1000 = 1000;
+    private static final int SLEEP_3000 = 3000;
+    private static final int SLEEP_5000 = 5000;
+
     /*
      * @Resource private ThreadPoolTaskExecutor testSpringThreadPoolTaskExecutor;
      */
@@ -82,7 +88,7 @@ public class RunStateHandlerTest {
              */
             MDC.put(EXECUTE_TIMEOUT_TRACE, "39948722194639841.251.16612352194691531");
             try {
-                Thread.sleep(5000);
+                Thread.sleep(SLEEP_5000);
             } catch (InterruptedException e) {
                 throw new RuntimeException(e);
             }
@@ -90,14 +96,14 @@ public class RunStateHandlerTest {
                 try {
                     executor.execute(() -> {
                         try {
-                            int maxRandom = 10;
+                            int maxRandom = MAX_RANDOM;
                             int temp = 2;
                             Random random = new Random();
                             // Assignment thread pool completedTaskCount
                             if (random.nextInt(maxRandom) % temp == 0) {
-                                Thread.sleep(1000);
+                                Thread.sleep(SLEEP_1000);
                             } else {
-                                Thread.sleep(3000);
+                                Thread.sleep(SLEEP_3000);
                             }
                         } catch (InterruptedException ignored) {
                         }
@@ -105,7 +111,7 @@ public class RunStateHandlerTest {
                 } catch (Exception ignored) {
                 }
                 try {
-                    Thread.sleep(500);
+                    Thread.sleep(SLEEP_500);
                 } catch (InterruptedException e) {
                     throw new RuntimeException(e);
                 }

examples/threadpool-example/example-core/src/main/java/cn/hippo4j/example/core/inittest/TaskDecoratorTest.java

@@ -38,6 +38,8 @@ public class TaskDecoratorTest {
 
     public static final String PLACEHOLDER = "site";
 
+    private static final int SLEEP_TIME = 5000;
+
     private final ThreadPoolExecutor taskDecoratorTestExecutor = new ThreadPoolExecutor(
             1,
             1,
@@ -60,7 +62,7 @@ public class TaskDecoratorTest {
         taskDecoratorTestExecutor.execute(() -> {
             MDC.put(PLACEHOLDER, "View the official website: https://www.hippo4j.cn");
             try {
-                Thread.sleep(5000);
+                Thread.sleep(SLEEP_TIME);
                 DynamicThreadPoolWrapper poolWrapper = GlobalThreadPoolManage.getExecutorService(GlobalTestConstant.MESSAGE_PRODUCE);
                 ThreadPoolExecutor threadPoolExecutor = poolWrapper.getExecutor();
                 threadPoolExecutor.execute(() -> log.info("Pass context via taskDecorator MDC: {}", MDC.get(PLACEHOLDER)));
@@ -70,6 +72,9 @@ public class TaskDecoratorTest {
         });
     }
 
+    /**
+     * Context Copying Decorator
+     */
     public static class ContextCopyingDecorator implements TaskDecorator {
 
         @Override

examples/threadpool-example/server/adapter-kafka/src/main/java/cn/hippo4j/springboot/starter/adapter/kafka/example/MessageProduce.java

@@ -39,6 +39,8 @@ public class MessageProduce {
 
     public static final String TOPIC = "test";
 
+    private static final int SLEEP_TIME = 3;
+
     private final KafkaTemplate template;
 
     @GetMapping("/message/send")
@@ -54,9 +56,9 @@ public class MessageProduce {
                 String message = UUID.randomUUID().toString();
                 template.send(TOPIC, "autoTestMessage " + message);
                 try {
-                    TimeUnit.SECONDS.sleep(3);
+                    TimeUnit.SECONDS.sleep(SLEEP_TIME);
                 } catch (InterruptedException e) {
-                    e.printStackTrace();
+                    log.error(e.getMessage());
                 }
             }
         });

examples/threadpool-example/server/adapter-kafka/src/main/java/cn/hippo4j/springboot/starter/adapter/kafka/example/ServerAdapterKafkaExampleApplication.java

@@ -21,6 +21,9 @@ import cn.hippo4j.core.enable.EnableDynamicThreadPool;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * Server adapter kafka example application
+ */
 @EnableDynamicThreadPool
 @SpringBootApplication(scanBasePackages = {"cn.hippo4j.example.core", "cn.hippo4j.springboot.starter.adapter.kafka.example"})
 public class ServerAdapterKafkaExampleApplication {

examples/threadpool-example/server/adapter-rabbitmq/src/main/java/cn/hippo4j/springboot/starter/adapter/rabbitmq/example/ServerAdapterRabbitMQExampleApplication.java

@@ -21,6 +21,9 @@ import cn.hippo4j.core.enable.EnableDynamicThreadPool;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * Server Adapter RabbitMQ Example Application
+ */
 @EnableDynamicThreadPool
 @SpringBootApplication(scanBasePackages = {"cn.hippo4j.example.core", "cn.hippo4j.springboot.starter.adapter.rabbitmq.example"})
 public class ServerAdapterRabbitMQExampleApplication {

examples/threadpool-example/server/adapter-rabbitmq/src/main/java/cn/hippo4j/springboot/starter/adapter/rabbitmq/example/config/RabbitMQThreadPoolConfig.java

@@ -31,15 +31,23 @@ import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
 @Configuration
 public class RabbitMQThreadPoolConfig {
 
+    private static final int MAX_POOL_SIZE = 5;
+
+    private static final int CORE_POOL_SIZE = 5;
+
+    private static final int QUEUE_CAPACITY = 1000;
+
+    private static final int CONSUMERS_PER_QUEUE = 10;
+
     @Bean
     public ThreadPoolTaskExecutor rabbitListenerTaskExecutor() {
         ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
         // Specify the maximum number of threads.
-        executor.setMaxPoolSize(5);
+        executor.setMaxPoolSize(MAX_POOL_SIZE);
         // Specifies the minimum number of thread pool maintenance threads.
-        executor.setCorePoolSize(5);
+        executor.setCorePoolSize(CORE_POOL_SIZE);
         // Specifies the number of tasks waiting to be processed.
-        executor.setQueueCapacity(1000);
+        executor.setQueueCapacity(QUEUE_CAPACITY);
         executor.setThreadNamePrefix("RabbitListenerTaskExecutor-");
         return executor;
     }
@@ -50,7 +58,7 @@ public class RabbitMQThreadPoolConfig {
         DirectRabbitListenerContainerFactory factory = new DirectRabbitListenerContainerFactory();
         factory.setConnectionFactory(abstractConnectionFactory);
         factory.setMessageConverter(messageConverter);
-        factory.setConsumersPerQueue(10);
+        factory.setConsumersPerQueue(CONSUMERS_PER_QUEUE);
         abstractConnectionFactory.setExecutor(rabbitListenerTaskExecutor);
         return factory;
     }

examples/threadpool-example/server/adapter-rabbitmq/src/main/java/cn/hippo4j/springboot/starter/adapter/rabbitmq/example/constants/SimpleMQConstant.java

@@ -20,7 +20,7 @@ package cn.hippo4j.springboot.starter.adapter.rabbitmq.example.constants;
 /**
  * Simple MQ constant.
  */
-public interface SimpleMQConstant {
+public class SimpleMQConstant {
 
-    String QUEUE_NAME = "framework_message-center_queue";
+    public static final String QUEUE_NAME = "framework_message-center_queue";
 }

examples/threadpool-example/server/adapter-rocketmq/src/main/java/cn/hippo4j/springboot/starter/adapter/rocketmq/example/ServerAdapterRocketMQExampleApplication.java

@@ -21,6 +21,9 @@ import cn.hippo4j.core.enable.EnableDynamicThreadPool;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * Server adapter rocketMQ example application
+ */
 @EnableDynamicThreadPool
 @SpringBootApplication(scanBasePackages = {"cn.hippo4j.example.core", "cn.hippo4j.springboot.starter.adapter.rocketmq.example"})
 public class ServerAdapterRocketMQExampleApplication {

examples/threadpool-example/server/adapter-stream-rabbitmq/src/main/java/cn/hippo4j/springboot/starter/adapter/springcloud/stream/rabbitmq/example/MessageProduce.java

@@ -37,10 +37,12 @@ public class MessageProduce {
 
     private final StreamBridge streamBridge;
 
+    private static final int MAX_SEND_SIZE = 10;
+
     @GetMapping("/message/send")
     public String sendMessage(@RequestParam(required = false) Integer maxSendSize) {
         if (maxSendSize == null) {
-            maxSendSize = 10;
+            maxSendSize = MAX_SEND_SIZE;
         }
         for (int i = 0; i < maxSendSize; i++) {
             sendMessage0();

examples/threadpool-example/server/adapter-stream-rabbitmq/src/main/java/cn/hippo4j/springboot/starter/adapter/springcloud/stream/rabbitmq/example/ServerAdapterSpringCloudStreamRabbitMQApplication.java

@@ -29,6 +29,9 @@ import org.springframework.messaging.MessageHeaders;
 
 import java.util.function.Consumer;
 
+/**
+ * Server Adapter Spring Cloud Stream RabbitMQ Application
+ */
 @Slf4j
 @EnableDynamicThreadPool
 @SpringBootApplication

examples/threadpool-example/server/adapter-stream-rocketmq/src/main/java/cn/hippo4j/springboot/starter/adapter/springcloud/stream/rocketmq/example/MessageConsume.java

@@ -39,6 +39,7 @@ public class MessageConsume {
         long startTime = System.currentTimeMillis();
         try {
             // ignore
+            log.info("Message: {}", JSONUtil.toJSONString(message));
         } finally {
             log.info("Keys: {}, Msg id: {}, Execute time: {} ms, Message: {}", headers.get("rocketmq_KEYS"), headers.get("rocketmq_MESSAGE_ID"), System.currentTimeMillis() - startTime,
                     JSONUtil.toJSONString(message));
@@ -51,6 +52,7 @@ public class MessageConsume {
         long startTime = System.currentTimeMillis();
         try {
             // ignore
+            log.info("Message: {}", JSONUtil.toJSONString(message));
         } finally {
             log.info("Keys: {}, Msg id: {}, Execute time: {} ms, Message: {}", headers.get("rocketmq_KEYS"), headers.get("rocketmq_MESSAGE_ID"), System.currentTimeMillis() - startTime,
                     JSONUtil.toJSONString(message));

examples/threadpool-example/server/adapter-stream-rocketmq/src/main/java/cn/hippo4j/springboot/starter/adapter/springcloud/stream/rocketmq/example/MessageProduce.java

@@ -43,10 +43,13 @@ public class MessageProduce {
 
     public static final String MESSAGE_CENTER_SAVE_MESSAGE_TAG = "framework_message-center_save-message_tag";
 
+    private static final int MAX_SEND_SIZE = 10;
+
+    private static final long SEND_TIMEOUT = 2000L;
+
     @GetMapping("/message/send")
     public String sendMessage() {
-        int maxSendSize = 10;
-        for (int i = 0; i < maxSendSize; i++) {
+        for (int i = 0; i < MAX_SEND_SIZE; i++) {
             sendMessage(MESSAGE_CENTER_SEND_MESSAGE_TAG);
             sendMessage(MESSAGE_CENTER_SAVE_MESSAGE_TAG);
         }
@@ -67,7 +70,7 @@ public class MessageProduce {
         long startTime = System.currentTimeMillis();
         boolean sendResult = false;
         try {
-            sendResult = output.send(message, 2000L);
+            sendResult = output.send(message, SEND_TIMEOUT);
         } finally {
             log.info("Send status: {}, Keys: {}, Execute time: {} ms, Message: {}",
                     sendResult,

examples/threadpool-example/server/adapter-stream-rocketmq/src/main/java/cn/hippo4j/springboot/starter/adapter/springcloud/stream/rocketmq/example/ServerAdapterSpringCloudStreamRocketMQApplication.java

@@ -24,6 +24,9 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cloud.stream.annotation.EnableBinding;
 import org.springframework.cloud.stream.messaging.Source;
 
+/**
+ * Server Adapter Spring Cloud Stream RocketMQ Application
+ */
 @Slf4j
 @EnableDynamicThreadPool
 @EnableBinding({Source.class, MySink.class})

examples/threadpool-example/server/monitor-elasticsearch/src/main/java/cn/hippo4j/example/es/monitor/ServerEsMonitorExampleApplication.java

@@ -21,6 +21,9 @@ import cn.hippo4j.core.enable.EnableDynamicThreadPool;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * Server es monitor example application
+ */
 @EnableDynamicThreadPool
 @SpringBootApplication(scanBasePackages = {"cn.hippo4j.example.core", "cn.hippo4j.monitor"})
 public class ServerEsMonitorExampleApplication {

examples/threadpool-example/server/server/src/main/java/cn/hippo4j/example/server/ServerExampleApplication.java

@@ -21,6 +21,9 @@ import cn.hippo4j.core.enable.EnableDynamicThreadPool;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * Server Example Application
+ */
 @EnableDynamicThreadPool
 @SpringBootApplication(scanBasePackages = {"cn.hippo4j.example.core", "cn.hippo4j.example.server"})
 public class ServerExampleApplication {

infra/common/src/main/java/cn/hippo4j/common/constant/MagicNumberConstants.java

@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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
+ *
+ *     http://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 cn.hippo4j.common.constant;
+
+public class MagicNumberConstants {
+
+    public static final int INDEX_0 = 0;
+
+    public static final int INDEX_1 = 1;
+
+    public static final int INDEX_2 = 2;
+
+    public static final int INDEX_3 = 3;
+
+    public static final int SIZE_4 = 4;
+
+}

starters/threadpool/config-spring-boot-1x/src/main/java/cn/hippo4j/config/springboot1x/starter/config/WebThreadPoolHandlerConfiguration1x.java

@@ -46,6 +46,9 @@ import javax.servlet.Servlet;
 @AutoConfigureBefore(WebThreadPoolHandlerConfiguration.class)
 public class WebThreadPoolHandlerConfiguration1x {
 
+    /**
+     * Embedded tomcat
+     */
     @Configuration
     @ConditionalOnClass({Servlet.class, Tomcat.class})
     @ConditionalOnBean(WebThreadPoolRunStateHandler.class)

starters/threadpool/config/src/main/java/cn/hippo4j/config/springboot/starter/config/ConfigHandlerConfiguration.java

@@ -68,6 +68,9 @@ public class ConfigHandlerConfiguration {
         return new DefaultBootstrapConfigPropertiesBinderAdapt();
     }
 
+    /**
+     * Embedded Nacos
+     */
     @RequiredArgsConstructor
     @ConditionalOnClass(value = ConfigService.class, name = NACOS_INJECTED_BEAN_NAME)
     @ConditionalOnMissingClass(NACOS_CONFIG_MANAGER_KEY)
@@ -80,6 +83,9 @@ public class ConfigHandlerConfiguration {
         }
     }
 
+    /**
+     * Embedded Nacos Cloud
+     */
     @ConditionalOnClass(NacosConfigProperties.class)
     @ConditionalOnProperty(prefix = BootstrapConfigProperties.PREFIX, name = NACOS_DATA_ID_KEY)
     static class EmbeddedNacosCloud {
@@ -90,6 +96,9 @@ public class ConfigHandlerConfiguration {
         }
     }
 
+    /**
+     * Embedded Apollo
+     */
     @ConditionalOnClass(com.ctrip.framework.apollo.ConfigService.class)
     @ConditionalOnProperty(prefix = BootstrapConfigProperties.PREFIX, name = APOLLO_NAMESPACE_KEY)
     static class EmbeddedApollo {
@@ -100,6 +109,9 @@ public class ConfigHandlerConfiguration {
         }
     }
 
+    /**
+     * Embedded Consul
+     */
     @ConditionalOnClass(ConsulConfigProperties.class)
     @ConditionalOnProperty(prefix = BootstrapConfigProperties.PREFIX, name = CONSUL_DATA_KEY)
     static class EmbeddedConsul {
@@ -110,6 +122,9 @@ public class ConfigHandlerConfiguration {
         }
     }
 
+    /**
+     * Embedded Zookeeper
+     */
     @ConditionalOnClass(CuratorFramework.class)
     @ConditionalOnProperty(prefix = BootstrapConfigProperties.PREFIX, name = ZOOKEEPER_CONNECT_STR_KEY)
     static class EmbeddedZookeeper {
@@ -120,6 +135,9 @@ public class ConfigHandlerConfiguration {
         }
     }
 
+    /**
+     * Embedded Etcd
+     */
     @ConditionalOnClass(Client.class)
     @ConditionalOnProperty(prefix = BootstrapConfigProperties.PREFIX, name = ETCD)
     static class EmbeddedEtcd {
@@ -130,6 +148,9 @@ public class ConfigHandlerConfiguration {
         }
     }
 
+    /**
+     * Polaris
+     */
     @ConditionalOnClass(ConfigFileService.class)
     @ConditionalOnProperty(prefix = BootstrapConfigProperties.PREFIX, name = POLARIS)
     static class Polaris {

starters/threadpool/config/src/main/java/cn/hippo4j/config/springboot/starter/notify/ConfigModeNotifyConfigBuilder.java

@@ -53,6 +53,8 @@ public class ConfigModeNotifyConfigBuilder implements NotifyConfigBuilder {
 
     private final WebThreadPoolService webThreadPoolService;
 
+    private static final int DEFAULT_INTERVAL = 5;
+
     @Override
     public Map<String, List<NotifyConfigDTO>> buildNotify() {
         Map<String, List<NotifyConfigDTO>> resultMap = new HashMap<>();
@@ -145,7 +147,7 @@ public class ConfigModeNotifyConfigBuilder implements NotifyConfigBuilder {
                 .orElse(Optional.ofNullable(configProperties.getDefaultExecutor())
                         .map(ExecutorProperties::getNotify)
                         .map(ExecutorNotifyProperties::getInterval)
-                        .orElse(5));
+                        .orElse(DEFAULT_INTERVAL));
     }
 
     private String buildReceive(IExecutorProperties executorProperties) {

starters/threadpool/config/src/main/java/cn/hippo4j/config/springboot/starter/parser/ConfigParserHandler.java

@@ -27,7 +27,7 @@ import java.util.ServiceLoader;
 /**
  * Config parser handler.
  */
-public class ConfigParserHandler {
+public final class ConfigParserHandler {
 
     private static final List<ConfigParser> PARSERS = new ArrayList<>();
 
@@ -53,6 +53,9 @@ public class ConfigParserHandler {
         return ConfigParserHandlerHolder.INSTANCE;
     }
 
+    /**
+     * Config Parser Handler Holder
+     */
     private static class ConfigParserHandlerHolder {
 
         private static final ConfigParserHandler INSTANCE = new ConfigParserHandler();

starters/threadpool/config/src/main/java/cn/hippo4j/config/springboot/starter/refresher/ConsulRefresherHandler.java

@@ -39,6 +39,8 @@ import java.util.stream.Collectors;
 @Slf4j
 public class ConsulRefresherHandler extends AbstractConfigThreadPoolDynamicRefresh {
 
+    private static final int INITIAL_CAPACITY = 64;
+
     @EventListener(EnvironmentChangeEvent.class)
     public void refreshed(EnvironmentChangeEvent event) {
         Map<String, Object> configInfo = extractLatestConfigInfo(event);
@@ -54,7 +56,7 @@ public class ConsulRefresherHandler extends AbstractConfigThreadPoolDynamicRefre
                 .map(propertySource -> (BootstrapPropertySource<?>) propertySource).collect(Collectors.toList());
         Optional<BootstrapPropertySource<?>> bootstrapPropertySource = bootstrapPropertySourceList.stream()
                 .filter(source -> source.getName().contains(activeProfile) && source.getPropertyNames().length != 0).findFirst();
-        Map<String, Object> configInfo = new HashMap<>(64);
+        Map<String, Object> configInfo = new HashMap<>(INITIAL_CAPACITY);
         if (bootstrapPropertySource.isPresent()) {
             ConsulPropertySource consulPropertySource = (ConsulPropertySource) bootstrapPropertySource.get().getDelegate();
             String[] propertyNames = consulPropertySource.getPropertyNames();

starters/threadpool/config/src/main/java/cn/hippo4j/config/springboot/starter/refresher/ZookeeperRefresherHandler.java

@@ -41,21 +41,25 @@ import java.util.Map;
 @Slf4j
 public class ZookeeperRefresherHandler extends AbstractConfigThreadPoolDynamicRefresh {
 
-    static final String ZK_CONNECT_STR = "zk-connect-str";
+    private static final String ZK_CONNECT_STR = "zk-connect-str";
 
-    static final String ROOT_NODE = "root-node";
+    private static final String ROOT_NODE = "root-node";
 
-    static final String CONFIG_VERSION = "config-version";
+    private static final String CONFIG_VERSION = "config-version";
 
-    static final String NODE = "node";
+    private static final String NODE = "node";
 
     private CuratorFramework curatorFramework;
 
+    private static final int BASE_SLEEP_TIME_MS = 1000;
+
+    private static final int MAX_RETRIES = 3;
+
     @Override
     public void initRegisterListener() {
         Map<String, String> zkConfigs = bootstrapConfigProperties.getZookeeper();
         curatorFramework = CuratorFrameworkFactory.newClient(zkConfigs.get(ZK_CONNECT_STR),
-                new ExponentialBackoffRetry(1000, 3));
+                new ExponentialBackoffRetry(BASE_SLEEP_TIME_MS, MAX_RETRIES));
         String nodePath = ZKPaths.makePath(ZKPaths.makePath(zkConfigs.get(ROOT_NODE),
                 zkConfigs.get(CONFIG_VERSION)), zkConfigs.get(NODE));
         final ConnectionStateListener connectionStateListener = (client, newState) -> {

starters/threadpool/config/src/main/java/cn/hippo4j/config/springboot/starter/refresher/event/AdapterExecutorsRefreshListener.java

@@ -53,9 +53,9 @@ public class AdapterExecutorsRefreshListener extends AbstractRefreshListener<Ada
 
     @Override
     public void onApplicationEvent(Hippo4jConfigDynamicRefreshEvent event) {
-        List<AdapterExecutorProperties> adapterExecutors;
+        List<AdapterExecutorProperties> adapterExecutors = event.getBootstrapConfigProperties().getAdapterExecutors();
         Map<String, ThreadPoolAdapter> threadPoolAdapterMap = ApplicationContextHolder.getBeansOfType(ThreadPoolAdapter.class);
-        if (CollectionUtil.isEmpty(adapterExecutors = event.getBootstrapConfigProperties().getAdapterExecutors()) || CollectionUtil.isEmpty(threadPoolAdapterMap)) {
+        if (CollectionUtil.isEmpty(adapterExecutors) || CollectionUtil.isEmpty(threadPoolAdapterMap)) {
             return;
         }
         for (AdapterExecutorProperties each : adapterExecutors) {

starters/threadpool/config/src/main/java/cn/hippo4j/config/springboot/starter/refresher/event/Hippo4jConfigDynamicRefreshEventOrder.java

@@ -20,13 +20,13 @@ package cn.hippo4j.config.springboot.starter.refresher.event;
 /**
  * Hippo-4j config dynamic refresh event order.
  */
-public interface Hippo4jConfigDynamicRefreshEventOrder {
+public class Hippo4jConfigDynamicRefreshEventOrder {
 
-    int WEB_EXECUTOR_LISTENER = 0;
+    public static final int WEB_EXECUTOR_LISTENER = 0;
 
-    int PLATFORMS_LISTENER = 1;
+    public static final int PLATFORMS_LISTENER = 1;
 
-    int EXECUTORS_LISTENER = 2;
+    public static final int EXECUTORS_LISTENER = 2;
 
-    int ADAPTER_EXECUTORS_LISTENER = 3;
+    public static final int ADAPTER_EXECUTORS_LISTENER = 3;
 }

starters/threadpool/config/src/main/java/cn/hippo4j/config/springboot/starter/support/DynamicThreadPoolPostProcessor.java

@@ -18,6 +18,7 @@
 package cn.hippo4j.config.springboot.starter.support;
 
 import cn.hippo4j.common.config.ApplicationContextHolder;
+import cn.hippo4j.common.constant.Constants;
 import cn.hippo4j.common.executor.support.BlockingQueueTypeEnum;
 import cn.hippo4j.common.executor.support.RejectedPolicyTypeEnum;
 import cn.hippo4j.common.toolkit.ReflectUtil;
@@ -54,6 +55,14 @@ public final class DynamicThreadPoolPostProcessor implements BeanPostProcessor {
 
     private final BootstrapConfigProperties configProperties;
 
+    private static final int DEFAULT_ACTIVE_ALARM = 80;
+
+    private static final int DEFAULT_CAPACITY_ALARM = 80;
+
+    private static final int DEFAULT_INTERVAL = 5;
+
+    private static final String DEFAULT_RECEIVES = "";
+
     @Override
     public Object postProcessBeforeInitialization(Object bean, String beanName) {
         return bean;
@@ -76,8 +85,8 @@ public final class DynamicThreadPoolPostProcessor implements BeanPostProcessor {
                 log.error("Failed to create dynamic thread pool in annotation mode.", ex);
                 return bean;
             }
-            DynamicThreadPoolExecutor dynamicThreadPoolExecutor;
-            if ((dynamicThreadPoolExecutor = DynamicThreadPoolAdapterChoose.unwrap(bean)) == null) {
+            DynamicThreadPoolExecutor dynamicThreadPoolExecutor = DynamicThreadPoolAdapterChoose.unwrap(bean);
+            if (dynamicThreadPoolExecutor == null) {
                 dynamicThreadPoolExecutor = (DynamicThreadPoolExecutor) bean;
             }
             DynamicThreadPoolWrapper wrap = new DynamicThreadPoolWrapper(dynamicThreadPoolExecutor.getThreadPoolId(), dynamicThreadPoolExecutor);
@@ -156,7 +165,7 @@ public final class DynamicThreadPoolPostProcessor implements BeanPostProcessor {
                 .setAllowCoreThreadTimeOut(executor.allowsCoreThreadTimeOut())
                 .setKeepAliveTime(executor.getKeepAliveTime(TimeUnit.SECONDS))
                 .setBlockingQueue(queueType)
-                .setExecuteTimeOut(10000L)
+                .setExecuteTimeOut(Constants.EXECUTE_TIME_OUT)
                 .setQueueCapacity(queueCapacity)
                 .setRejectedHandler(executor.getRejectedExecutionHandler().getClass().getSimpleName())
                 .setThreadPoolId(threadPoolId);
@@ -233,15 +242,15 @@ public final class DynamicThreadPoolPostProcessor implements BeanPostProcessor {
         boolean isAlarm = Optional.ofNullable(executorProperties.getAlarm())
                 .orElseGet(() -> Optional.ofNullable(configProperties.getDefaultExecutor()).map(ExecutorProperties::getAlarm).orElse(true));
         int activeAlarm = Optional.ofNullable(executorProperties.getActiveAlarm())
-                .orElseGet(() -> Optional.ofNullable(configProperties.getDefaultExecutor()).map(ExecutorProperties::getActiveAlarm).orElse(80));
+                .orElseGet(() -> Optional.ofNullable(configProperties.getDefaultExecutor()).map(ExecutorProperties::getActiveAlarm).orElse(DEFAULT_ACTIVE_ALARM));
         int capacityAlarm = Optional.ofNullable(executorProperties.getCapacityAlarm())
-                .orElseGet(() -> Optional.ofNullable(configProperties.getDefaultExecutor()).map(ExecutorProperties::getCapacityAlarm).orElse(80));
+                .orElseGet(() -> Optional.ofNullable(configProperties.getDefaultExecutor()).map(ExecutorProperties::getCapacityAlarm).orElse(DEFAULT_CAPACITY_ALARM));
         int interval = Optional.ofNullable(notify)
                 .map(ExecutorNotifyProperties::getInterval)
-                .orElseGet(() -> Optional.ofNullable(configProperties.getDefaultExecutor()).map(ExecutorProperties::getNotify).map(ExecutorNotifyProperties::getInterval).orElse(5));
+                .orElseGet(() -> Optional.ofNullable(configProperties.getDefaultExecutor()).map(ExecutorProperties::getNotify).map(ExecutorNotifyProperties::getInterval).orElse(DEFAULT_INTERVAL));
         String receive = Optional.ofNullable(notify)
                 .map(ExecutorNotifyProperties::getReceives)
-                .orElseGet(() -> Optional.ofNullable(configProperties.getDefaultExecutor()).map(ExecutorProperties::getNotify).map(ExecutorNotifyProperties::getReceives).orElse(""));
+                .orElseGet(() -> Optional.ofNullable(configProperties.getDefaultExecutor()).map(ExecutorProperties::getNotify).map(ExecutorNotifyProperties::getReceives).orElse(DEFAULT_RECEIVES));
         ThreadPoolNotifyAlarm threadPoolNotifyAlarm = new ThreadPoolNotifyAlarm(isAlarm, activeAlarm, capacityAlarm);
         threadPoolNotifyAlarm.setInterval(interval);
         threadPoolNotifyAlarm.setReceives(receive);

threadpool/server/config/src/main/java/cn/hippo4j/config/config/CommonConfig.java

@@ -32,6 +32,10 @@ import static cn.hippo4j.common.constant.Constants.AVAILABLE_PROCESSORS;
 @Configuration
 public class CommonConfig {
 
+    private static final int DEFAULT_QUEUE_CAPACITY = 4096;
+
+    private static final int DEFAULT_AWAIT_TERMINATION_MILLIS = 5000;
+
     @Bean
     @ConditionalOnMissingBean
     public ApplicationContextHolder hippo4jApplicationContextHolder() {
@@ -45,9 +49,9 @@ public class CommonConfig {
         monitorThreadPool.setThreadNamePrefix("server.monitor.executor.");
         monitorThreadPool.setCorePoolSize(AVAILABLE_PROCESSORS);
         monitorThreadPool.setMaxPoolSize(AVAILABLE_PROCESSORS << 1);
-        monitorThreadPool.setQueueCapacity(4096);
+        monitorThreadPool.setQueueCapacity(DEFAULT_QUEUE_CAPACITY);
         monitorThreadPool.setAllowCoreThreadTimeOut(true);
-        monitorThreadPool.setAwaitTerminationMillis(5000);
+        monitorThreadPool.setAwaitTerminationMillis(DEFAULT_AWAIT_TERMINATION_MILLIS);
         return monitorThreadPool;
     }
 }

threadpool/server/config/src/main/java/cn/hippo4j/config/config/ServerBootstrapProperties.java

@@ -33,7 +33,7 @@ import org.springframework.context.annotation.Configuration;
 @ConfigurationProperties(prefix = ServerBootstrapProperties.PREFIX)
 public class ServerBootstrapProperties {
 
-    public final static String PREFIX = "hippo4j.core";
+    public static final String PREFIX = "hippo4j.core";
 
     /**
      * Whether to start the background task of cleaning up thread pool history data.

threadpool/server/config/src/main/java/cn/hippo4j/config/event/LocalDataChangeEvent.java

@@ -17,20 +17,23 @@
 
 package cn.hippo4j.config.event;
 
+import lombok.Getter;
+
 /**
  * Local data change event.
  */
+@Getter
 public class LocalDataChangeEvent extends AbstractEvent {
 
     /**
      * Tenant +  Item + Thread-pool
      */
-    public final String groupKey;
+    private final String groupKey;
 
     /**
      * Client instance unique identifier
      */
-    public final String identify;
+    private final String identify;
 
     public LocalDataChangeEvent(String identify, String groupKey) {
         this.identify = identify;

threadpool/server/config/src/main/java/cn/hippo4j/config/mapper/HisRunDataMapper.java

@@ -64,6 +64,9 @@ public interface HisRunDataMapper extends BaseMapper<HisRunDataInfo> {
             + "limit 4")
     List<ThreadPoolTaskRanking> queryThreadPoolMaxRanking(@Param("startTime") Long startTime, @Param("endTime") Long endTime);
 
+    /**
+     * Thread Pool Task Ranking
+     */
     @Data
     class ThreadPoolTaskRanking {
 

threadpool/server/config/src/main/java/cn/hippo4j/config/model/CacheItem.java

@@ -33,13 +33,13 @@ public class CacheItem {
 
     final String groupKey;
 
-    public volatile String md5 = Constants.NULL;
+    private volatile String md5 = Constants.NULL;
 
-    public volatile long lastModifiedTs;
+    private volatile long lastModifiedTs;
 
-    public volatile ConfigAllInfo configAllInfo;
+    private volatile ConfigAllInfo configAllInfo;
 
-    public SimpleReadWriteLock rwLock = new SimpleReadWriteLock();
+    private SimpleReadWriteLock rwLock = new SimpleReadWriteLock();
 
     public CacheItem(String groupKey) {
         this.groupKey = SingletonRepository.DataIdGroupIdCache.getSingleton(groupKey);

threadpool/server/config/src/main/java/cn/hippo4j/config/model/biz/threadpool/ConfigModifySaveReqDTO.java

@@ -21,6 +21,9 @@ import lombok.Data;
 
 import javax.validation.constraints.Pattern;
 
+/**
+ * Config Modify Save Req DTO
+ */
 @Data
 public class ConfigModifySaveReqDTO {
 

threadpool/server/config/src/main/java/cn/hippo4j/config/model/biz/threadpool/ConfigModifyVerifyReqDTO.java

@@ -20,8 +20,6 @@ package cn.hippo4j.config.model.biz.threadpool;
 import com.fasterxml.jackson.annotation.JsonAlias;
 import lombok.Data;
 
-import java.util.List;
-
 /**
  * Config modify verify dto
  */

threadpool/server/config/src/main/java/cn/hippo4j/config/notify/DefaultPublisher.java

@@ -48,6 +48,12 @@ public class DefaultPublisher extends Thread implements EventPublisher {
 
     protected volatile Long lastEventSequence = -1L;
 
+    private static final int DEFAULT_QUEUE_MAX_SIZE = -1;
+
+    private static final int DEFAULT_WAIT_TIMES = 60;
+
+    private static final long SLEEP_1S = 1000L;
+
     private static final AtomicReferenceFieldUpdater<DefaultPublisher, Long> UPDATER = AtomicReferenceFieldUpdater
             .newUpdater(DefaultPublisher.class, Long.class, "lastEventSequence");
 
@@ -64,8 +70,8 @@ public class DefaultPublisher extends Thread implements EventPublisher {
     public synchronized void start() {
         if (!initialized) {
             super.start();
-            if (queueMaxSize == -1) {
-                queueMaxSize = NotifyCenter.ringBufferSize;
+            if (queueMaxSize == DEFAULT_QUEUE_MAX_SIZE) {
+                queueMaxSize = NotifyCenter.RING_BUFFER_SIZE;
             }
             initialized = true;
         }
@@ -78,13 +84,13 @@ public class DefaultPublisher extends Thread implements EventPublisher {
 
     private void openEventHandler() {
         try {
-            int waitTimes = 60;
+            int waitTimes = DEFAULT_WAIT_TIMES;
             for (;;) {
                 if (shutdown || hasSubscriber() || waitTimes <= 0) {
                     break;
                 }
                 try {
-                    Thread.sleep(1000L);
+                    Thread.sleep(SLEEP_1S);
                 } catch (InterruptedException e) {
                     Thread.currentThread().interrupt();
                 }

threadpool/server/config/src/main/java/cn/hippo4j/config/notify/NotifyCenter.java

@@ -37,9 +37,9 @@ public class NotifyCenter {
 
     private static final NotifyCenter INSTANCE = new NotifyCenter();
 
-    public static int ringBufferSize = 16384;
+    public static final int RING_BUFFER_SIZE = 16384;
 
-    public static int shareBufferSize = 1024;
+    public static final int SHARE_BUFFER_SIZE = 1024;
 
     private DefaultSharePublisher sharePublisher;
 
@@ -61,7 +61,7 @@ public class NotifyCenter {
             }
         };
         INSTANCE.sharePublisher = new DefaultSharePublisher();
-        INSTANCE.sharePublisher.init(AbstractSlowEvent.class, shareBufferSize);
+        INSTANCE.sharePublisher.init(AbstractSlowEvent.class, SHARE_BUFFER_SIZE);
     }
 
     public static void registerSubscriber(final AbstractSubscriber consumer) {
@@ -73,20 +73,20 @@ public class NotifyCenter {
                     addSubscriber(consumer, subscribeType);
                 }
             }
-            return;
-        }
+        } else {
             final Class<? extends AbstractEvent> subscribeType = consumer.subscribeType();
             if (ClassUtil.isAssignableFrom(AbstractSlowEvent.class, subscribeType)) {
                 INSTANCE.sharePublisher.addSubscriber(consumer, subscribeType);
-            return;
-        }
+            } else {
                 addSubscriber(consumer, subscribeType);
             }
+        }
+    }
 
     private static void addSubscriber(final AbstractSubscriber consumer, Class<? extends AbstractEvent> subscribeType) {
         final String topic = ClassUtil.getCanonicalName(subscribeType);
         synchronized (NotifyCenter.class) {
-            MapUtil.computeIfAbsent(INSTANCE.publisherMap, topic, publisherFactory, subscribeType, ringBufferSize);
+            MapUtil.computeIfAbsent(INSTANCE.publisherMap, topic, publisherFactory, subscribeType, RING_BUFFER_SIZE);
         }
         EventPublisher publisher = INSTANCE.publisherMap.get(topic);
         publisher.addSubscriber(consumer);

threadpool/server/config/src/main/java/cn/hippo4j/config/service/ConfigCacheService.java

@@ -47,6 +47,7 @@ import java.util.concurrent.atomic.AtomicInteger;
 
 import static cn.hippo4j.common.constant.Constants.GROUP_KEY_DELIMITER;
 import static cn.hippo4j.common.constant.Constants.GROUP_KEY_DELIMITER_TRANSLATION;
+import static cn.hippo4j.common.constant.MagicNumberConstants.INDEX_3;
 
 /**
  * Config cache service.
@@ -54,7 +55,7 @@ import static cn.hippo4j.common.constant.Constants.GROUP_KEY_DELIMITER_TRANSLATI
 @Slf4j
 public class ConfigCacheService {
 
-    private static ConfigService CONFIG_SERVICE;
+    private static ConfigService configService;
 
     static {
         AbstractSubjectCenter.register(AbstractSubjectCenter.SubjectType.CLEAR_CONFIG_CACHE, new ClearConfigCache());
@@ -83,9 +84,11 @@ public class ConfigCacheService {
      */
     public static boolean checkTpId(String groupKey, String tpId, String clientIdentify) {
         Map<String, CacheItem> cacheItemMap = Optional.ofNullable(CLIENT_CONFIG_CACHE.get(groupKey)).orElse(new HashMap<>());
-        CacheItem cacheItem;
-        if (CollectionUtil.isNotEmpty(cacheItemMap) && (cacheItem = cacheItemMap.get(clientIdentify)) != null) {
-            return Objects.equals(tpId, cacheItem.configAllInfo.getTpId());
+        if (CollectionUtil.isNotEmpty(cacheItemMap)) {
+            CacheItem cacheItem = cacheItemMap.get(clientIdentify);
+            if (cacheItem != null) {
+                return Objects.equals(tpId, cacheItem.getConfigAllInfo().getTpId());
+            }
         }
         return Boolean.FALSE;
     }
@@ -97,31 +100,34 @@ public class ConfigCacheService {
      * @param clientIdentify
      * @return
      */
-    private synchronized static String getContentMd5IsNullPut(String groupKey, String clientIdentify) {
+    private static synchronized String getContentMd5IsNullPut(String groupKey, String clientIdentify) {
         Map<String, CacheItem> cacheItemMap = Optional.ofNullable(CLIENT_CONFIG_CACHE.get(groupKey)).orElse(new HashMap<>());
         CacheItem cacheItem = null;
-        if (CollectionUtil.isNotEmpty(cacheItemMap) && (cacheItem = cacheItemMap.get(clientIdentify)) != null) {
-            return cacheItem.md5;
+        if (CollectionUtil.isNotEmpty(cacheItemMap)) {
+            cacheItem = cacheItemMap.get(clientIdentify);
+            if (cacheItem != null) {
+                return cacheItem.getMd5();
+            }
         }
-        if (CONFIG_SERVICE == null) {
-            CONFIG_SERVICE = ApplicationContextHolder.getBean(ConfigService.class);
+        if (configService == null) {
+            configService = ApplicationContextHolder.getBean(ConfigService.class);
         }
         String[] params = groupKey.split(GROUP_KEY_DELIMITER_TRANSLATION);
-        ConfigAllInfo config = CONFIG_SERVICE.findConfigRecentInfo(params);
+        ConfigAllInfo config = configService.findConfigRecentInfo(params);
         if (config != null && StringUtil.isNotBlank(config.getTpId())) {
             cacheItem = new CacheItem(groupKey, config);
             cacheItemMap.put(clientIdentify, cacheItem);
             CLIENT_CONFIG_CACHE.put(groupKey, cacheItemMap);
         }
-        return (cacheItem != null) ? cacheItem.md5 : Constants.NULL;
+        return (cacheItem != null) ? cacheItem.getMd5() : Constants.NULL;
     }
 
     public static String getContentMd5(String groupKey) {
-        if (CONFIG_SERVICE == null) {
-            CONFIG_SERVICE = ApplicationContextHolder.getBean(ConfigService.class);
+        if (configService == null) {
+            configService = ApplicationContextHolder.getBean(ConfigService.class);
         }
         String[] params = groupKey.split(GROUP_KEY_DELIMITER_TRANSLATION);
-        ConfigAllInfo config = CONFIG_SERVICE.findConfigRecentInfo(params);
+        ConfigAllInfo config = configService.findConfigRecentInfo(params);
         if (config == null || StringUtils.isEmpty(config.getTpId())) {
             String errorMessage = String.format("config is null. tpId: %s, itemId: %s, tenantId: %s", params[0], params[1], params[2]);
             throw new RuntimeException(errorMessage);
@@ -131,22 +137,24 @@ public class ConfigCacheService {
 
     public static void updateMd5(String groupKey, String identify, String md5) {
         CacheItem cache = makeSure(groupKey, identify);
-        if (cache.md5 == null || !cache.md5.equals(md5)) {
-            cache.md5 = md5;
+        if (cache.getMd5() == null || !cache.getMd5().equals(md5)) {
+            cache.setMd5(md5);
             String[] params = groupKey.split(GROUP_KEY_DELIMITER_TRANSLATION);
-            ConfigAllInfo config = CONFIG_SERVICE.findConfigRecentInfo(params);
-            cache.configAllInfo = config;
-            cache.lastModifiedTs = System.currentTimeMillis();
+            ConfigAllInfo config = configService.findConfigRecentInfo(params);
+            cache.setConfigAllInfo(config);
+            cache.setLastModifiedTs(System.currentTimeMillis());
             NotifyCenter.publishEvent(new LocalDataChangeEvent(identify, groupKey));
         }
     }
 
-    public synchronized static CacheItem makeSure(String groupKey, String ip) {
+    public static synchronized CacheItem makeSure(String groupKey, String ip) {
         Map<String, CacheItem> ipCacheItemMap = CLIENT_CONFIG_CACHE.get(groupKey);
-        CacheItem item;
-        if (ipCacheItemMap != null && (item = ipCacheItemMap.get(ip)) != null) {
+        if (ipCacheItemMap != null) {
+            CacheItem item = ipCacheItemMap.get(ip);
+            if (item != null) {
                 return item;
             }
+        }
         CacheItem tmp = new CacheItem(groupKey);
         Map<String, CacheItem> cacheItemMap = new HashMap<>();
         cacheItemMap.put(ip, tmp);
@@ -176,7 +184,7 @@ public class ConfigCacheService {
             for (String each : keys) {
                 String[] keyArray = each.split(GROUP_KEY_DELIMITER_TRANSLATION);
                 if (keyArray.length > 2) {
-                    identifyList.add(keyArray[3]);
+                    identifyList.add(keyArray[INDEX_3]);
                 }
             }
         }
@@ -192,7 +200,7 @@ public class ConfigCacheService {
         coarseRemove(groupKey);
     }
 
-    private synchronized static void coarseRemove(String coarse) {
+    private static synchronized void coarseRemove(String coarse) {
         // fuzzy search
         List<String> identificationList = MapUtil.parseMapForFilter(CLIENT_CONFIG_CACHE, coarse);
         for (String cacheMapKey : identificationList) {

threadpool/server/config/src/main/java/cn/hippo4j/config/service/LongPollingService.java

@@ -70,17 +70,23 @@ public class LongPollingService {
 
     private final Map<String, Long> retainIps = new ConcurrentHashMap<>();
 
+    private static final long SCHEDULE_PERIOD = 30L;
+
+    private static final int MAX_TIMEOUT = 10000;
+
+    private static final int DEFAULT_DELAY_TIME = 500;
+
     public LongPollingService() {
         allSubs = new ConcurrentLinkedQueue<>();
-        ConfigExecutor.scheduleLongPolling(new StatTask(), 0L, 30L, TimeUnit.SECONDS);
-        NotifyCenter.registerToPublisher(LocalDataChangeEvent.class, NotifyCenter.ringBufferSize);
+        ConfigExecutor.scheduleLongPolling(new StatTask(), 0L, SCHEDULE_PERIOD, TimeUnit.SECONDS);
+        NotifyCenter.registerToPublisher(LocalDataChangeEvent.class, NotifyCenter.RING_BUFFER_SIZE);
         NotifyCenter.registerSubscriber(new AbstractSubscriber() {
 
             @Override
             public void onEvent(AbstractEvent event) {
                 if (!isFixedPolling() && event instanceof LocalDataChangeEvent) {
                     LocalDataChangeEvent evt = (LocalDataChangeEvent) event;
-                    ConfigExecutor.executeLongPolling(new DataChangeTask(evt.identify, evt.groupKey));
+                    ConfigExecutor.executeLongPolling(new DataChangeTask(evt.getIdentify(), evt.getGroupKey()));
                 }
             }
 
@@ -155,26 +161,31 @@ public class LongPollingService {
                                      int probeRequestSize) {
         String str = req.getHeader(LONG_POLLING_HEADER);
         String noHangUpFlag = req.getHeader(LONG_POLLING_NO_HANG_UP_HEADER);
-        int delayTime = SwitchService.getSwitchInteger(SwitchService.FIXED_DELAY_TIME, 500);
-        long timeout = Math.max(10000, Long.parseLong(str) - delayTime);
+        int delayTime = SwitchService.getSwitchInteger(SwitchService.FIXED_DELAY_TIME, DEFAULT_DELAY_TIME);
+        long timeout = Math.max(MAX_TIMEOUT, Long.parseLong(str) - delayTime);
+        boolean shouldReturn = false;
+
         if (isFixedPolling()) {
-            timeout = Math.max(10000, getFixedPollingInterval());
+            timeout = Math.max(MAX_TIMEOUT, getFixedPollingInterval());
         } else {
             List<String> changedGroups = Md5ConfigUtil.compareMd5(req, clientMd5Map);
             if (!changedGroups.isEmpty()) {
                 generateResponse(rsp, changedGroups);
-                return;
+                shouldReturn = true;
             } else if (noHangUpFlag != null && noHangUpFlag.equalsIgnoreCase(TRUE_STR)) {
                 log.info("New initializing cacheData added in.");
-                return;
+                shouldReturn = true;
             }
         }
+
+        if (!shouldReturn) {
             String clientIdentify = RequestUtil.getClientIdentify(req);
             final AsyncContext asyncContext = req.startAsync();
             asyncContext.setTimeout(0L);
             ConfigExecutor.executeLongPolling(new ClientLongPolling(asyncContext, clientMd5Map, clientIdentify, probeRequestSize,
                     timeout - delayTime, Pair.of(req.getHeader(CLIENT_APP_NAME_HEADER), req.getHeader(CLIENT_VERSION))));
         }
+    }
 
     /**
      * Regularly check the configuration for changes.
@@ -199,7 +210,7 @@ public class LongPollingService {
 
         Future<?> asyncTimeoutFuture;
 
-        public ClientLongPolling(AsyncContext asyncContext, Map<String, String> clientMd5Map, String clientIdentify,
+        ClientLongPolling(AsyncContext asyncContext, Map<String, String> clientMd5Map, String clientIdentify,
                           int probeRequestSize, long timeout, Pair<String, String> appInfo) {
             this.asyncContext = asyncContext;
             this.clientMd5Map = clientMd5Map;

threadpool/server/config/src/main/java/cn/hippo4j/config/service/ThreadPoolAdapterService.java

@@ -140,6 +140,9 @@ public class ThreadPoolAdapterService {
         }
     }
 
+    /**
+     * Clear Thread Pool Adapter Cache
+     */
     static class ClearThreadPoolAdapterCache implements Observer<String> {
 
         @Override

threadpool/server/config/src/main/java/cn/hippo4j/config/service/biz/impl/ConfigServiceImpl.java

@@ -67,6 +67,16 @@ import java.util.concurrent.SynchronousQueue;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+import static cn.hippo4j.common.constant.MagicNumberConstants.INDEX_0;
+import static cn.hippo4j.common.constant.MagicNumberConstants.INDEX_1;
+import static cn.hippo4j.common.constant.MagicNumberConstants.INDEX_2;
+import static cn.hippo4j.common.constant.MagicNumberConstants.INDEX_3;
+import static cn.hippo4j.common.executor.support.BlockingQueueTypeEnum.ARRAY_BLOCKING_QUEUE;
+import static cn.hippo4j.common.executor.support.BlockingQueueTypeEnum.LINKED_BLOCKING_DEQUE;
+import static cn.hippo4j.common.executor.support.BlockingQueueTypeEnum.LINKED_BLOCKING_QUEUE;
+import static cn.hippo4j.common.executor.support.BlockingQueueTypeEnum.LINKED_TRANSFER_QUEUE;
+import static cn.hippo4j.common.executor.support.BlockingQueueTypeEnum.PRIORITY_BLOCKING_QUEUE;
+import static cn.hippo4j.common.executor.support.BlockingQueueTypeEnum.RESIZABLE_LINKED_BLOCKING_QUEUE;
 import static cn.hippo4j.config.service.ConfigCacheService.getContent;
 
 /**
@@ -85,6 +95,8 @@ public class ConfigServiceImpl implements ConfigService {
 
     private final NotifyService notifyService;
 
+    private static final int DEFAULT_QUEUE_CAPACITY = 1024;
+
     @Override
     public ConfigAllInfo findConfigAllInfo(String tpId, String itemId, String tenantId) {
         LambdaQueryWrapper<ConfigAllInfo> wrapper = Wrappers.lambdaQuery(ConfigAllInfo.class)
@@ -99,13 +111,13 @@ public class ConfigServiceImpl implements ConfigService {
     public ConfigAllInfo findConfigRecentInfo(String... params) {
         ConfigAllInfo resultConfig;
         ConfigAllInfo configInstance = null;
-        String instanceId = params[3];
+        String instanceId = params[INDEX_3];
         if (StringUtil.isNotBlank(instanceId)) {
             LambdaQueryWrapper<ConfigInstanceInfo> instanceQueryWrapper = Wrappers.lambdaQuery(ConfigInstanceInfo.class)
-                    .eq(ConfigInstanceInfo::getTpId, params[0])
-                    .eq(ConfigInstanceInfo::getItemId, params[1])
-                    .eq(ConfigInstanceInfo::getTenantId, params[2])
-                    .eq(ConfigInstanceInfo::getInstanceId, params[3])
+                    .eq(ConfigInstanceInfo::getTpId, params[INDEX_0])
+                    .eq(ConfigInstanceInfo::getItemId, params[INDEX_1])
+                    .eq(ConfigInstanceInfo::getTenantId, params[INDEX_2])
+                    .eq(ConfigInstanceInfo::getInstanceId, params[INDEX_3])
                     .orderByDesc(ConfigInstanceInfo::getGmtCreate)
                     .last("LIMIT 1");
             ConfigInstanceInfo instanceInfo = configInstanceMapper.selectOne(instanceQueryWrapper);
@@ -216,6 +228,7 @@ public class ConfigServiceImpl implements ConfigService {
     public Long addConfigInfo(ConfigAllInfo config) {
         config.setContent(ContentUtil.getPoolContent(config));
         config.setMd5(Md5Util.getTpContentMd5(config));
+        Long configId = null;
         try {
             // Currently it is a single application, and it supports switching distributed locks during cluster deployment in the future.
             synchronized (ConfigService.class) {
@@ -225,14 +238,14 @@ public class ConfigServiceImpl implements ConfigService {
                                 .eq(ConfigAllInfo::getDelFlag, DelEnum.NORMAL.getIntCode()));
                 Assert.isNull(configAllInfo, "线程池配置已存在");
                 if (SqlHelper.retBool(configInfoMapper.insert(config))) {
-                    return config.getId();
+                    configId = config.getId();
                 }
             }
         } catch (Exception ex) {
             log.error("[db-error] message: {}", ex.getMessage(), ex);
             throw ex;
         }
-        return null;
+        return configId;
     }
 
     public void updateConfigInfo(String identify, boolean isChangeNotice, ConfigAllInfo config) {
@@ -251,7 +264,6 @@ public class ConfigServiceImpl implements ConfigService {
                 ConfigInstanceInfo instanceInfo = BeanUtil.convert(config, ConfigInstanceInfo.class);
                 instanceInfo.setInstanceId(identify);
                 configInstanceMapper.insert(instanceInfo);
-                return;
             } else if (StringUtil.isEmpty(identify) && isChangeNotice) {
                 List<String> identifyList = ConfigCacheService.getIdentifyList(config.getTenantId(), config.getItemId(), config.getTpId());
                 if (CollectionUtil.isNotEmpty(identifyList)) {
@@ -261,9 +273,9 @@ public class ConfigServiceImpl implements ConfigService {
                         configInstanceMapper.insert(instanceInfo);
                     }
                 }
-                return;
-            }
+            } else {
                 configInfoMapper.update(config, wrapper);
+            }
         } catch (Exception ex) {
             log.error("[db-error] message: {}", ex.getMessage(), ex);
             throw ex;
@@ -294,18 +306,20 @@ public class ConfigServiceImpl implements ConfigService {
      */
     private Integer getQueueCapacityByType(ConfigAllInfo config) {
         int queueCapacity;
-        switch (config.getQueueType()) {
-            case 5:
+        if (LINKED_TRANSFER_QUEUE.getType().equals(config.getQueueType())) {
             queueCapacity = Integer.MAX_VALUE;
-                break;
-            default:
+        } else {
             queueCapacity = config.getCapacity();
-                break;
         }
-        List<Integer> queueTypes = Stream.of(1, 2, 3, 6, 9).collect(Collectors.toList());
+        List<Integer> queueTypes = Stream.of(
+                ARRAY_BLOCKING_QUEUE.getType(),
+                LINKED_BLOCKING_QUEUE.getType(),
+                LINKED_BLOCKING_DEQUE.getType(),
+                PRIORITY_BLOCKING_QUEUE.getType(),
+                RESIZABLE_LINKED_BLOCKING_QUEUE.getType()).collect(Collectors.toList());
         boolean setDefaultFlag = queueTypes.contains(config.getQueueType()) && (config.getCapacity() == null || Objects.equals(config.getCapacity(), 0));
         if (setDefaultFlag) {
-            queueCapacity = 1024;
+            queueCapacity = DEFAULT_QUEUE_CAPACITY;
         }
         return queueCapacity;
     }

threadpool/server/config/src/main/java/cn/hippo4j/config/service/biz/impl/HisRunDataServiceImpl.java

@@ -47,6 +47,10 @@ import java.util.Date;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicBoolean;
 
+import static cn.hippo4j.common.constant.MagicNumberConstants.INDEX_0;
+import static cn.hippo4j.common.constant.MagicNumberConstants.INDEX_1;
+import static cn.hippo4j.common.constant.MagicNumberConstants.INDEX_2;
+import static cn.hippo4j.common.constant.MagicNumberConstants.INDEX_3;
 import static cn.hippo4j.common.toolkit.DateUtil.NORM_TIME_PATTERN;
 
 /**
@@ -151,12 +155,12 @@ public class HisRunDataServiceImpl extends ServiceImpl<HisRunDataMapper, HisRunD
         runtimeMessages.forEach(each -> {
             HisRunDataInfo hisRunDataInfo = BeanUtil.convert(each, HisRunDataInfo.class);
             String[] parseKey = GroupKey.parseKey(each.getGroupKey());
-            boolean checkFlag = ConfigCacheService.checkTpId(each.getGroupKey(), parseKey[0], parseKey[3]);
+            boolean checkFlag = ConfigCacheService.checkTpId(each.getGroupKey(), parseKey[INDEX_0], parseKey[INDEX_3]);
             if (checkFlag) {
-                hisRunDataInfo.setTpId(parseKey[0]);
-                hisRunDataInfo.setItemId(parseKey[1]);
-                hisRunDataInfo.setTenantId(parseKey[2]);
-                hisRunDataInfo.setInstanceId(parseKey[3]);
+                hisRunDataInfo.setTpId(parseKey[INDEX_0]);
+                hisRunDataInfo.setItemId(parseKey[INDEX_1]);
+                hisRunDataInfo.setTenantId(parseKey[INDEX_2]);
+                hisRunDataInfo.setInstanceId(parseKey[INDEX_3]);
                 hisRunDataInfos.add(hisRunDataInfo);
             }
         });

threadpool/server/config/src/main/java/cn/hippo4j/config/toolkit/EnvUtil.java

@@ -31,9 +31,9 @@ public class EnvUtil {
 
     public static final String STANDALONE_MODE_PROPERTY_NAME = "hippo4j.standalone";
 
-    private static String HIPPO4J_HOME_PATH = null;
+    private static String hippo4jHomePath = null;
 
-    private static Boolean IS_STANDALONE = null;
+    private static Boolean isStandalone = null;
 
     /**
      * Get hippo4j home.
@@ -41,14 +41,13 @@ public class EnvUtil {
      * @return
      */
     public static String getHippo4jHome() {
-        if (StringUtil.isBlank(HIPPO4J_HOME_PATH)) {
-            String hippo4jHome = System.getProperty(HIPPO4J_HOME_KEY);
-            if (StringUtil.isBlank(hippo4jHome)) {
-                hippo4jHome = Paths.get(System.getProperty("user.home"), "hippo4j").toString();
+        if (StringUtil.isBlank(hippo4jHomePath)) {
+            hippo4jHomePath = System.getProperty(HIPPO4J_HOME_KEY);
+            if (StringUtil.isBlank(hippo4jHomePath)) {
+                hippo4jHomePath = Paths.get(System.getProperty("user.home"), "hippo4j").toString();
             }
-            return hippo4jHome;
         }
-        return HIPPO4J_HOME_PATH;
+        return hippo4jHomePath;
     }
 
     /**
@@ -57,9 +56,9 @@ public class EnvUtil {
      * @return
      */
     public static boolean getStandaloneMode() {
-        if (Objects.isNull(IS_STANDALONE)) {
-            IS_STANDALONE = Boolean.getBoolean(STANDALONE_MODE_PROPERTY_NAME);
+        if (Objects.isNull(isStandalone)) {
+            isStandalone = Boolean.getBoolean(STANDALONE_MODE_PROPERTY_NAME);
         }
-        return IS_STANDALONE;
+        return isStandalone;
     }
 }

threadpool/server/config/src/main/java/cn/hippo4j/config/toolkit/Md5ConfigUtil.java

@@ -34,6 +34,11 @@ import java.util.Map;
 
 import static cn.hippo4j.common.constant.Constants.LINE_SEPARATOR;
 import static cn.hippo4j.common.constant.Constants.WORD_SEPARATOR;
+import static cn.hippo4j.common.constant.MagicNumberConstants.INDEX_0;
+import static cn.hippo4j.common.constant.MagicNumberConstants.INDEX_1;
+import static cn.hippo4j.common.constant.MagicNumberConstants.INDEX_2;
+import static cn.hippo4j.common.constant.MagicNumberConstants.INDEX_3;
+import static cn.hippo4j.common.constant.MagicNumberConstants.SIZE_4;
 
 /**
  * Md5 config util.
@@ -44,6 +49,10 @@ public class Md5ConfigUtil {
 
     static final char LINE_SEPARATOR_CHAR = (char) 1;
 
+    private static final int CLIENT_MD5_MAP_INIT_SIZE = 5;
+    private static final int CLIENT_MD5_MAP_MAX_SIZE = 10000;
+    private static final int CLIENT_MD5_TMP_LIST_INIT_SIZE = 3;
+    private static final int CLIENT_MD5_TMP_LIST_MAX_SIZE = 4;
     /**
      * Get thread pool content md5
      *
@@ -74,18 +83,18 @@ public class Md5ConfigUtil {
     }
 
     public static Map<String, String> getClientMd5Map(String configKeysString) {
-        Map<String, String> md5Map = new HashMap(5);
+        Map<String, String> md5Map = new HashMap(CLIENT_MD5_MAP_INIT_SIZE);
         if (null == configKeysString || "".equals(configKeysString)) {
             return md5Map;
         }
         int start = 0;
-        List<String> tmpList = new ArrayList(3);
+        List<String> tmpList = new ArrayList(CLIENT_MD5_TMP_LIST_INIT_SIZE);
         for (int i = start; i < configKeysString.length(); i++) {
             char c = configKeysString.charAt(i);
             if (c == WORD_SEPARATOR_CHAR) {
                 tmpList.add(configKeysString.substring(start, i));
                 start = i + 1;
-                if (tmpList.size() > 4) {
+                if (tmpList.size() > CLIENT_MD5_TMP_LIST_MAX_SIZE) {
                     // Malformed message and return parameter error.
                     throw new IllegalArgumentException("invalid protocol,too much key");
                 }
@@ -95,12 +104,12 @@ public class Md5ConfigUtil {
                     endValue = configKeysString.substring(start, i);
                 }
                 start = i + 1;
-                String groupKey = getKey(tmpList.get(0), tmpList.get(1), tmpList.get(2), tmpList.get(3));
+                String groupKey = getKey(tmpList.get(INDEX_0), tmpList.get(INDEX_1), tmpList.get(INDEX_2), tmpList.get(INDEX_3));
                 groupKey = SingletonRepository.DataIdGroupIdCache.getSingleton(groupKey);
                 md5Map.put(groupKey, endValue);
                 tmpList.clear();
                 // Protect malformed messages
-                if (md5Map.size() > 10000) {
+                if (md5Map.size() > CLIENT_MD5_MAP_MAX_SIZE) {
                     throw new IllegalArgumentException("invalid protocol, too much listener");
                 }
             }
@@ -140,7 +149,7 @@ public class Md5ConfigUtil {
             sb.append(WORD_SEPARATOR);
             sb.append(dataIdGroupId[1]);
             // if have tenant, then set it
-            if (dataIdGroupId.length == 4) {
+            if (dataIdGroupId.length == SIZE_4) {
                 if (StringUtil.isNotBlank(dataIdGroupId[2])) {
                     sb.append(WORD_SEPARATOR);
                     sb.append(dataIdGroupId[2]);

threadpool/server/config/src/main/java/cn/hippo4j/config/toolkit/SimpleReadWriteLock.java

@@ -24,6 +24,8 @@ public class SimpleReadWriteLock {
 
     private int status = 0;
 
+    private static final int FREE_STATUS = -1;
+
     public synchronized boolean tryReadLock() {
         if (isWriteLocked()) {
             return false;
@@ -41,7 +43,7 @@ public class SimpleReadWriteLock {
         if (!isFree()) {
             return false;
         } else {
-            status = -1;
+            status = FREE_STATUS;
             return true;
         }
     }

threadpool/server/config/src/main/java/cn/hippo4j/config/toolkit/SingletonRepository.java

@@ -24,8 +24,13 @@ import java.util.concurrent.ConcurrentHashMap;
  */
 public class SingletonRepository<T> {
 
+    /**
+     * initialCapacity: 1 << 16
+     */
+    private static final int INITIAL_CAPACITY = 65536;
+
     public SingletonRepository() {
-        shared = new ConcurrentHashMap(1 << 16);
+        shared = new ConcurrentHashMap(INITIAL_CAPACITY);
     }
 
     public T getSingleton(T obj) {
@@ -43,6 +48,9 @@ public class SingletonRepository<T> {
 
     private final ConcurrentHashMap<T, T> shared;
 
+    /**
+     * Data Id Group Id Cache
+     */
     public static class DataIdGroupIdCache {
 
         public static String getSingleton(String str) {

threadpool/server/config/src/test/java/cn/hippo4j/config/event/LocalDataChangeEventTest.java

@@ -26,7 +26,7 @@ public final class LocalDataChangeEventTest {
     @Test
     public void assertGetSingleton() {
         LocalDataChangeEvent localDataChangeEvent = new LocalDataChangeEvent("groupKey", "identify");
-        Assert.isTrue(StringUtil.isNotEmpty(localDataChangeEvent.groupKey));
-        Assert.isTrue(StringUtil.isNotEmpty(localDataChangeEvent.identify));
+        Assert.isTrue(StringUtil.isNotEmpty(localDataChangeEvent.getGroupKey()));
+        Assert.isTrue(StringUtil.isNotEmpty(localDataChangeEvent.getIdentify()));
     }
 }

threadpool/server/console/src/main/java/cn/hippo4j/console/controller/ThreadPoolController.java

@@ -214,7 +214,7 @@ public class ThreadPoolController {
         List<ThreadPoolInstanceInfo> returnThreadPool = new ArrayList<>();
         content.forEach((key, val) -> {
             ThreadPoolInstanceInfo threadPoolInstanceInfo =
-                    BeanUtil.convert(val.configAllInfo, ThreadPoolInstanceInfo.class);
+                    BeanUtil.convert(val.getConfigAllInfo(), ThreadPoolInstanceInfo.class);
             threadPoolInstanceInfo.setClientAddress(StringUtil.subBefore(key, Constants.IDENTIFY_SLICER_SYMBOL));
             threadPoolInstanceInfo.setActive(activeMap.get(key));
             threadPoolInstanceInfo.setIdentify(key);