[GitHub] [servicecomb-pack] xiangyuQi commented on a change in pull request #572: fix issue #571

[GitBox <gi...@apache.org>]

xiangyuQi commented on a change in pull request #572: fix issue #571
URL: https://github.com/apache/servicecomb-pack/pull/572#discussion_r335794446
 
 

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 File path: omega/omega-transport/omega-transport-feign/src/main/java/org/apache/servicecomb/pack/omega/transport/feign/hystrix/HystrixServiceCombAutoConfiguration.java
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 @@ -0,0 +1,85 @@
+/*
+ * Copyright 2013-2019 the original author or authors.
+ *
+ * Licensed 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
+ *
+ *      https://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.pack.omega.transport.feign.hystrix;
+
+import javax.annotation.PostConstruct;
+import java.util.List;
+import java.util.Optional;
+
+import com.netflix.hystrix.Hystrix;
+import com.netflix.hystrix.strategy.HystrixPlugins;
+import com.netflix.hystrix.strategy.concurrency.HystrixConcurrencyStrategy;
+import com.netflix.hystrix.strategy.eventnotifier.HystrixEventNotifier;
+import com.netflix.hystrix.strategy.executionhook.HystrixCommandExecutionHook;
+import com.netflix.hystrix.strategy.metrics.HystrixMetricsPublisher;
+import com.netflix.hystrix.strategy.properties.HystrixPropertiesStrategy;
+import org.apache.servicecomb.pack.omega.context.OmegaContext;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.annotation.Order;
+
+/**
+ * 使用hystrix情况下，自动注册ServiceCombConcurrencyStrategy
+ * @author : qixiangyu18@163.com
+ */
+@Configuration
+@Order
+@ConditionalOnClass({Hystrix.class})
+public class HystrixServiceCombAutoConfiguration {
+
+	@Autowired
+	Optional<List<HystrixCallableWrapper>> hystrixCallableWrappers;
+
+	@PostConstruct
+	public void init() {
 
 Review comment:
   嗯,有必要加这个判断,如果有实现类直接继承了ServiceCombConcurrencyStrategy,并且在之前注册了,那应该会有问题.谢谢你的建议 :)

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