io.undertow.util.WorkerUtils Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 io.undertow.util;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.TimeUnit;
import org.xnio.XnioExecutor;
import org.xnio.XnioIoThread;
import io.undertow.UndertowLogger;
/**
* @author Stuart Douglas
*/
public class WorkerUtils {
private WorkerUtils() {
}
/**
* Schedules a task for future execution. If the execution is rejected because the worker is shutting
* down then it is logged at debug level and the exception is not re-thrown
* @param thread The IO thread
* @param task The task to execute
* @param timeout The timeout
* @param timeUnit The time unit
*/
public static XnioExecutor.Key executeAfter(XnioIoThread thread, Runnable task, long timeout, TimeUnit timeUnit) {
try {
return thread.executeAfter(task, timeout, timeUnit);
} catch (RejectedExecutionException e) {
if(thread.getWorker().isShutdown()) {
UndertowLogger.ROOT_LOGGER.debugf(e, "Failed to schedule task %s as worker is shutting down", task);
//we just return a bogus key in this case
return new XnioExecutor.Key() {
@Override
public boolean remove() {
return false;
}
};
} else {
throw e;
}
}
}
}