blade-tool/blade-core-cloud/src/main/java/org/springblade/core/cloud/hystrix/BladeHystrixConcurrencyStra...

94 lines
3.9 KiB
Java

/**
* Copyright (c) 2018-2028, DreamLu 卢春梦 (qq596392912@gmail.com).
* <p>
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.gnu.org/licenses/lgpl.html
* <p>
* 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.springblade.core.cloud.hystrix;
import com.netflix.hystrix.HystrixThreadPoolKey;
import com.netflix.hystrix.HystrixThreadPoolProperties;
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.properties.HystrixProperty;
import lombok.AllArgsConstructor;
import org.springblade.core.cloud.props.BladeHystrixHeadersProperties;
import org.springframework.lang.Nullable;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Callable;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
/**
* Hystrix传递ThreaLocal中的一些变量
*
* <p>
* https://github.com/Netflix/Hystrix/issues/92#issuecomment-260548068
* https://github.com/spring-cloud/spring-cloud-sleuth/issues/39
* https://github.com/spring-cloud/spring-cloud-netflix/tree/master/spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/hystrix/security
* https://github.com/spring-projects/spring-security/blob/master/core/src/main/java/org/springframework/security/concurrent/DelegatingSecurityContextCallable.java
* </p>
*
* @author L.cm
*/
@AllArgsConstructor
public class BladeHystrixConcurrencyStrategy extends HystrixConcurrencyStrategy {
@Nullable
private final HystrixConcurrencyStrategy existingConcurrencyStrategy;
@Nullable
private final BladeHystrixAccountGetter accountGetter;
private final BladeHystrixHeadersProperties properties;
@Override
public BlockingQueue<Runnable> getBlockingQueue(int maxQueueSize) {
return existingConcurrencyStrategy != null
? existingConcurrencyStrategy.getBlockingQueue(maxQueueSize)
: super.getBlockingQueue(maxQueueSize);
}
@Override
public <T> HystrixRequestVariable<T> getRequestVariable(
HystrixRequestVariableLifecycle<T> rv) {
return existingConcurrencyStrategy != null
? existingConcurrencyStrategy.getRequestVariable(rv)
: super.getRequestVariable(rv);
}
@Override
public ThreadPoolExecutor getThreadPool(HystrixThreadPoolKey threadPoolKey,
HystrixProperty<Integer> corePoolSize,
HystrixProperty<Integer> maximumPoolSize,
HystrixProperty<Integer> keepAliveTime, TimeUnit unit,
BlockingQueue<Runnable> workQueue) {
return existingConcurrencyStrategy != null
? existingConcurrencyStrategy.getThreadPool(threadPoolKey, corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue)
: super.getThreadPool(threadPoolKey, corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue);
}
@Override
public ThreadPoolExecutor getThreadPool(HystrixThreadPoolKey threadPoolKey, HystrixThreadPoolProperties threadPoolProperties) {
return existingConcurrencyStrategy != null
? existingConcurrencyStrategy.getThreadPool(threadPoolKey, threadPoolProperties)
: super.getThreadPool(threadPoolKey, threadPoolProperties);
}
@Override
public <T> Callable<T> wrapCallable(Callable<T> callable) {
Callable<T> wrapCallable = new BladeHttpHeadersCallable<>(callable, accountGetter, properties);
return existingConcurrencyStrategy != null
? existingConcurrencyStrategy.wrapCallable(wrapCallable)
: super.wrapCallable(wrapCallable);
}
}