//package com.panzhihua.common.utlis;
|
//
|
//import com.netflix.hystrix.HystrixThreadPoolKey;
|
//import com.netflix.hystrix.HystrixThreadPoolProperties;
|
//import com.netflix.hystrix.strategy.HystrixPlugins;
|
//import com.netflix.hystrix.strategy.concurrency.HystrixConcurrencyStrategy;
|
//import com.netflix.hystrix.strategy.concurrency.HystrixRequestVariable;
|
//import com.netflix.hystrix.strategy.concurrency.HystrixRequestVariableLifecycle;
|
//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 com.netflix.hystrix.strategy.properties.HystrixProperty;
|
//import org.slf4j.Logger;
|
//import org.slf4j.LoggerFactory;
|
//import org.springframework.stereotype.Component;
|
//import org.springframework.web.context.request.RequestAttributes;
|
//import org.springframework.web.context.request.RequestContextHolder;
|
//
|
//import java.util.concurrent.BlockingQueue;
|
//import java.util.concurrent.Callable;
|
//import java.util.concurrent.ThreadPoolExecutor;
|
//import java.util.concurrent.TimeUnit;
|
//
|
//@Component
|
//public class FeignHystrixConcurrencyStrategy extends HystrixConcurrencyStrategy {
|
//
|
// private static final Logger log = LoggerFactory.getLogger(FeignHystrixConcurrencyStrategy.class);
|
//
|
// private HystrixConcurrencyStrategy delegate;
|
//
|
// public FeignHystrixConcurrencyStrategy() {
|
// try {
|
// this.delegate = HystrixPlugins.getInstance().getConcurrencyStrategy();
|
// if (this.delegate instanceof FeignHystrixConcurrencyStrategy) {
|
// // Welcome to singleton hell...
|
// return;
|
// }
|
// HystrixCommandExecutionHook commandExecutionHook = HystrixPlugins
|
// .getInstance().getCommandExecutionHook();
|
// HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance()
|
// .getEventNotifier();
|
// HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance()
|
// .getMetricsPublisher();
|
// HystrixPropertiesStrategy propertiesStrategy = HystrixPlugins.getInstance()
|
// .getPropertiesStrategy();
|
// this.logCurrentStateOfHystrixPlugins(eventNotifier, metricsPublisher,
|
// propertiesStrategy);
|
// HystrixPlugins.reset();
|
// HystrixPlugins.getInstance().registerConcurrencyStrategy(this);
|
// HystrixPlugins.getInstance()
|
// .registerCommandExecutionHook(commandExecutionHook);
|
// HystrixPlugins.getInstance().registerEventNotifier(eventNotifier);
|
// HystrixPlugins.getInstance().registerMetricsPublisher(metricsPublisher);
|
// HystrixPlugins.getInstance().registerPropertiesStrategy(propertiesStrategy);
|
// }
|
// catch (Exception e) {
|
// log.error("Failed to register Sleuth Hystrix Concurrency Strategy", e);
|
// }
|
// }
|
//
|
// private void logCurrentStateOfHystrixPlugins(HystrixEventNotifier eventNotifier,
|
// HystrixMetricsPublisher metricsPublisher,
|
// HystrixPropertiesStrategy propertiesStrategy) {
|
// if (log.isDebugEnabled()) {
|
// log.debug("Current Hystrix plugins configuration is ["
|
// + "concurrencyStrategy [" + this.delegate + "]," + "eventNotifier ["
|
// + eventNotifier + "]," + "metricPublisher [" + metricsPublisher + "],"
|
// + "propertiesStrategy [" + propertiesStrategy + "]," + "]");
|
// log.debug("Registering Sleuth Hystrix Concurrency Strategy.");
|
// }
|
// }
|
//
|
// @Override
|
// public <T> Callable<T> wrapCallable(Callable<T> callable) {
|
// RequestAttributes requestAttributes = RequestContextHolder.getRequestAttributes();
|
// return new WrappedCallable<>(callable, requestAttributes);
|
// }
|
//
|
// @Override
|
// public ThreadPoolExecutor getThreadPool(HystrixThreadPoolKey threadPoolKey,
|
// HystrixProperty<Integer> corePoolSize,
|
// HystrixProperty<Integer> maximumPoolSize,
|
// HystrixProperty<Integer> keepAliveTime, TimeUnit unit,
|
// BlockingQueue<Runnable> workQueue) {
|
// return this.delegate.getThreadPool(threadPoolKey, corePoolSize, maximumPoolSize,
|
// keepAliveTime, unit, workQueue);
|
// }
|
//
|
// @Override
|
// public ThreadPoolExecutor getThreadPool(HystrixThreadPoolKey threadPoolKey,
|
// HystrixThreadPoolProperties threadPoolProperties) {
|
// return this.delegate.getThreadPool(threadPoolKey, threadPoolProperties);
|
// }
|
//
|
// @Override
|
// public BlockingQueue<Runnable> getBlockingQueue(int maxQueueSize) {
|
// return this.delegate.getBlockingQueue(maxQueueSize);
|
// }
|
//
|
// @Override
|
// public <T> HystrixRequestVariable<T> getRequestVariable(
|
// HystrixRequestVariableLifecycle<T> rv) {
|
// return this.delegate.getRequestVariable(rv);
|
// }
|
//
|
// static class WrappedCallable<T> implements Callable<T> {
|
//
|
// private final Callable<T> target;
|
// private final RequestAttributes requestAttributes;
|
//
|
// public WrappedCallable(Callable<T> target, RequestAttributes requestAttributes) {
|
// this.target = target;
|
// this.requestAttributes = requestAttributes;
|
// }
|
//
|
// @Override
|
// public T call() throws Exception {
|
// try {
|
// RequestContextHolder.setRequestAttributes(requestAttributes);
|
// return target.call();
|
// }
|
// finally {
|
// RequestContextHolder.resetRequestAttributes();
|
// }
|
// }
|
// }
|
//}
|
