ca.uhn.fhir.util.AsyncUtil Maven / Gradle / Ivy
/*-
* #%L
* HAPI FHIR - Core Library
* %%
* Copyright (C) 2014 - 2024 Smile CDR, Inc.
* %%
* 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.
* #L%
*/
package ca.uhn.fhir.util;
import ca.uhn.fhir.i18n.Msg;
import ca.uhn.fhir.rest.server.exceptions.InternalErrorException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
public class AsyncUtil {
private static final Logger ourLog = LoggerFactory.getLogger(AsyncUtil.class);
/**
* Non instantiable
*/
private AsyncUtil() {}
/**
* Calls Thread.sleep and if an InterruptedException occurs, logs a warning but otherwise continues
*
* @param theMillis The number of millis to sleep
* @return Did we sleep the whole amount
*/
public static boolean sleep(long theMillis) {
try {
Thread.sleep(theMillis);
return true;
} catch (InterruptedException theE) {
Thread.currentThread().interrupt();
ourLog.warn("Sleep for {}ms was interrupted", theMillis);
return false;
}
}
public static boolean awaitLatchAndThrowInternalErrorExceptionOnInterrupt(
CountDownLatch theInitialCollectionLatch, long theTime, TimeUnit theTimeUnit) {
try {
return theInitialCollectionLatch.await(theTime, theTimeUnit);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new InternalErrorException(Msg.code(1805) + e);
}
}
public static boolean awaitLatchAndIgnoreInterrupt(
CountDownLatch theInitialCollectionLatch, long theTime, TimeUnit theTimeUnit) {
try {
return theInitialCollectionLatch.await(theTime, theTimeUnit);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
ourLog.warn("Interrupted while waiting for latch");
return false;
}
}
}