perf: 优化

hippo4j-core/src/main/java/cn/hippo4j/core/executor/ThreadPoolNotifyAlarmHandler.java

@@ -20,6 +20,7 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.CommandLineRunner;
 
 import java.util.List;
+import java.util.Objects;
 import java.util.concurrent.*;
 
 /**
@@ -134,7 +135,7 @@ public class ThreadPoolNotifyAlarmHandler implements Runnable, CommandLineRunner
      */
     public void checkPoolRejectedAlarm(String threadPoolId) {
         ThreadPoolNotifyAlarm threadPoolNotifyAlarm = GlobalNotifyAlarmManage.get(threadPoolId);
-        if (!threadPoolNotifyAlarm.getIsAlarm()) {
+        if (Objects.isNull(threadPoolNotifyAlarm)||!threadPoolNotifyAlarm.getIsAlarm()) {
             return;
         }
 

hippo4j-core/src/main/java/cn/hippo4j/core/executor/manage/GlobalNotifyAlarmManage.java

@@ -16,7 +16,7 @@ public class GlobalNotifyAlarmManage {
     /**
      * Notify alarm map.
      */
-    private static final Map<String, ThreadPoolNotifyAlarm> NOTIFY_ALARM_MAP = new ConcurrentHashMap();
+    private static final Map<String, ThreadPoolNotifyAlarm> NOTIFY_ALARM_MAP = new ConcurrentHashMap<>();
 
     /**
      * Get.

hippo4j-core/src/main/java/cn/hippo4j/core/proxy/RejectedProxyInvocationHandler.java

@@ -30,10 +30,8 @@ public class RejectedProxyInvocationHandler implements InvocationHandler {
 
         if (ApplicationContextHolder.getInstance() != null) {
             ThreadPoolNotifyAlarmHandler alarmHandler = ApplicationContextHolder.getBean(ThreadPoolNotifyAlarmHandler.class);
-            if (alarmHandler != null) {
             alarmHandler.checkPoolRejectedAlarm(threadPoolId);
         }
-        }
 
         try {
             return method.invoke(target, args);