com.avanza.astrix.ft.hystrix.AstrixConcurrencyStrategy Maven / Gradle / Ivy
/*
* Copyright 2014 Avanza Bank AB
*
* 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
*
* 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 com.avanza.astrix.ft.hystrix;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import javax.annotation.PreDestroy;
import com.netflix.hystrix.HystrixThreadPoolKey;
import com.netflix.hystrix.strategy.concurrency.HystrixConcurrencyStrategy;
import com.netflix.hystrix.strategy.properties.HystrixProperty;
final class AstrixConcurrencyStrategy extends HystrixConcurrencyStrategy {
private ConcurrentMap threadPoolByKey = new ConcurrentHashMap<>();
@Override
public ThreadPoolExecutor getThreadPool(HystrixThreadPoolKey threadPoolKey, HystrixProperty corePoolSize,
HystrixProperty maximumPoolSize, HystrixProperty keepAliveTime, TimeUnit unit,
BlockingQueue workQueue) {
return threadPoolByKey.computeIfAbsent(threadPoolKey, (key) -> super.getThreadPool(key, corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue));
}
@PreDestroy
public void destroy() {
/*
* Destroy all threads associated with current AstrixContext
*/
this.threadPoolByKey.values().stream().forEach(ThreadPoolExecutor::shutdownNow);
}
}