org.springframework.boot.autoconfigure.web.embedded.JettyThreadPool Maven / Gradle / Ivy
/*
* Copyright 2012-2023 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.springframework.boot.autoconfigure.web.embedded;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.SynchronousQueue;
import org.eclipse.jetty.util.BlockingArrayQueue;
import org.eclipse.jetty.util.thread.QueuedThreadPool;
import org.eclipse.jetty.util.thread.ThreadPool;
import org.springframework.boot.autoconfigure.web.ServerProperties;
/**
* Creates a {@link ThreadPool} for Jetty, applying
* {@link org.springframework.boot.autoconfigure.web.ServerProperties.Jetty.Threads
* ServerProperties.Jetty.Threads Jetty thread properties}.
*
* @author Moritz Halbritter
*/
final class JettyThreadPool {
private JettyThreadPool() {
}
static QueuedThreadPool create(ServerProperties.Jetty.Threads properties) {
BlockingQueue queue = determineBlockingQueue(properties.getMaxQueueCapacity());
int maxThreadCount = (properties.getMax() > 0) ? properties.getMax() : 200;
int minThreadCount = (properties.getMin() > 0) ? properties.getMin() : 8;
int threadIdleTimeout = (properties.getIdleTimeout() != null) ? (int) properties.getIdleTimeout().toMillis()
: 60000;
return new QueuedThreadPool(maxThreadCount, minThreadCount, threadIdleTimeout, queue);
}
private static BlockingQueue determineBlockingQueue(Integer maxQueueCapacity) {
if (maxQueueCapacity == null) {
return null;
}
if (maxQueueCapacity == 0) {
return new SynchronousQueue<>();
}
return new BlockingArrayQueue<>(maxQueueCapacity);
}
}