StephanEwen commented on a change in pull request #19: [FLINK-15956] Add HTTP function protocol URL: https://github.com/apache/flink-statefun/pull/19#discussion_r379540884
########## File path: statefun-flink/statefun-flink-core/src/main/java/org/apache/flink/statefun/flink/core/backpressure/SystemNanoTimer.java ########## @@ -0,0 +1,50 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 org.apache.flink.statefun.flink.core.backpressure; + +import static java.util.concurrent.TimeUnit.NANOSECONDS; + +/** A {@code Timer} backed by {@link System#nanoTime()}. */ +final class SystemNanoTimer implements Timer { + private static final SystemNanoTimer INSTANCE = new SystemNanoTimer(); + + public static SystemNanoTimer instance() { + return INSTANCE; + } + + private SystemNanoTimer() {} + + @Override + public long now() { + return System.nanoTime(); + } + + @Override + public void sleep(long sleepTimeNanos) { + try { + final long sleepTimeMs = NANOSECONDS.toMillis(sleepTimeNanos); + Thread.sleep(sleepTimeMs); + } catch (InterruptedException ex) { + if (Thread.interrupted()) { Review comment: I think this will always be false because the Thread's interruption flag is cleared when the InterruptedException is thrown. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
