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https://issues.apache.org/jira/browse/SCB-506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16470387#comment-16470387
 ] 

ASF GitHub Bot commented on SCB-506:
------------------------------------

wujimin commented on a change in pull request #678: [SCB-506]服务治理相关的需要事件上报
URL: 
https://github.com/apache/incubator-servicecomb-java-chassis/pull/678#discussion_r187329270
 
 

 ##########
 File path: 
handlers/handler-bizkeeper/src/main/java/org/apache/servicecomb/bizkeeper/event/CircutBreakerEventNotifier.java
 ##########
 @@ -0,0 +1,58 @@
+/*
+ * 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 org.apache.servicecomb.bizkeeper.event;
+
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.servicecomb.foundation.common.event.EventManager;
+import org.apache.servicecomb.foundation.common.event.AlarmEvent.Type;
+
+import com.netflix.hystrix.HystrixCommandKey;
+import com.netflix.hystrix.HystrixEventType;
+import com.netflix.hystrix.strategy.eventnotifier.HystrixEventNotifier;
+
+public class CircutBreakerEventNotifier extends HystrixEventNotifier {
+
+  /**
+   * 使用circuitMarker来记录被熔断的接口
+   */
+  private static ConcurrentHashMap<String, Boolean> circuitMarker = new 
ConcurrentHashMap<>();
+
+  @Override
+  public void markEvent(HystrixEventType eventType, HystrixCommandKey key) {
+    String keyName = key.name();
+    switch (eventType) {
+      case SHORT_CIRCUITED:
+        if (circuitMarker.get(keyName) == null) {
 
 Review comment:
       ConcurrentHashMapEx<String, AtomicBoolean> circuitFlag = new 
ConcurrentHashMapEx<>();
       AtomicBoolean flag = circuitFlag.computeIfAbsent(key, k -> new 
AtomicBoolean());
       // circuit event
       if (flag.compareAndSet(false, true)) {
         // post xxx event
       }
   
       // success event
       if (flag.compareAndSet(true, false)) {
         // post xxx event
       }
   -----------
   and infact, i don't know what does eventType mean, 
open/close/succeeded/failed

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> 服务治理相关的需要事件上报
> -------------
>
>                 Key: SCB-506
>                 URL: https://issues.apache.org/jira/browse/SCB-506
>             Project: Apache ServiceComb
>          Issue Type: Task
>          Components: Java-Chassis
>            Reporter: xuyiyun
>            Assignee: xuyiyun
>            Priority: Major
>             Fix For: java-chassis-1.0.0-m2
>
>
> 如果发生服务降级 实例隔离 熔断等操作,业务监控系统需要能获取到对应的通知,方便集成



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