optimize: 非 spring 环境启动自定义线程池时不发送报警消息.

common/src/main/java/com/github/dynamic/threadpool/common/config/ApplicationContextHolder.java

@@ -68,4 +68,13 @@ public class ApplicationContextHolder implements ApplicationContextAware {
         return CONTEXT.findAnnotationOnBean(beanName, annotationType);
     }
 
+    /**
+     * Get ApplicationContext.
+     *
+     * @return
+     */
+    public static ApplicationContext getInstance() {
+        return CONTEXT;
+    }
+
 }

dynamic-threadpool-spring-boot-starter/src/main/java/com/github/dynamic/threadpool/starter/alarm/ThreadPoolAlarmManage.java

@@ -2,11 +2,14 @@ package com.github.dynamic.threadpool.starter.alarm;
 
 import com.github.dynamic.threadpool.common.config.ApplicationContextHolder;
 import com.github.dynamic.threadpool.common.model.PoolParameterInfo;
+import com.github.dynamic.threadpool.starter.config.MessageAlarmConfig;
 import com.github.dynamic.threadpool.starter.toolkit.CalculateUtil;
 import com.github.dynamic.threadpool.starter.toolkit.thread.CustomThreadPoolExecutor;
 import com.github.dynamic.threadpool.starter.toolkit.thread.ResizableCapacityLinkedBlockIngQueue;
 import lombok.extern.slf4j.Slf4j;
 
+import java.util.Optional;
+
 /**
  * Alarm manage.
  *
@@ -19,7 +22,9 @@ public class ThreadPoolAlarmManage {
     private static final SendMessageService SEND_MESSAGE_SERVICE;
 
     static {
-        SEND_MESSAGE_SERVICE = ApplicationContextHolder.getBean("sendMessageService", SendMessageService.class);
+        SEND_MESSAGE_SERVICE = Optional.ofNullable(ApplicationContextHolder.getInstance())
+                .map(each -> each.getBean(MessageAlarmConfig.SEND_MESSAGE_BEAN_NAME, SendMessageService.class))
+                .orElse(null);
     }
 
     /**
@@ -47,7 +52,7 @@ public class ThreadPoolAlarmManage {
      * @param threadPoolExecutor
      */
     public static void checkPoolLivenessAlarm(boolean isCore, CustomThreadPoolExecutor threadPoolExecutor) {
-        if (isCore) {
+        if (isCore || SEND_MESSAGE_SERVICE == null) {
             return;
         }
         int activeCount = threadPoolExecutor.getActiveCount();
@@ -64,8 +69,10 @@ public class ThreadPoolAlarmManage {
      * @param threadPoolExecutor
      */
     public static void checkPoolRejectAlarm(CustomThreadPoolExecutor threadPoolExecutor) {
+        if (SEND_MESSAGE_SERVICE != null) {
             SEND_MESSAGE_SERVICE.sendAlarmMessage(threadPoolExecutor);
         }
+    }
 
     /**
      * Send thread pool configuration change message.
@@ -73,7 +80,9 @@ public class ThreadPoolAlarmManage {
      * @param parameter
      */
     public static void sendPoolConfigChange(PoolParameterInfo parameter) {
+        if (SEND_MESSAGE_SERVICE != null) {
             SEND_MESSAGE_SERVICE.sendChangeMessage(parameter);
         }
+    }
 
 }

dynamic-threadpool-spring-boot-starter/src/main/java/com/github/dynamic/threadpool/starter/config/MessageAlarmConfig.java

@@ -26,8 +26,10 @@ public class MessageAlarmConfig {
 
     private ConfigurableEnvironment environment;
 
-    @Bean
+    public static final String SEND_MESSAGE_BEAN_NAME = "sendMessageService";
+
     @DependsOn("applicationContextHolder")
+    @Bean(MessageAlarmConfig.SEND_MESSAGE_BEAN_NAME)
     public SendMessageService sendMessageService() {
         return new BaseSendMessageService(properties.getNotifys());
     }