| /* |
| * 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.iotdb.commons.concurrent.threadpool; |
| |
| import com.google.common.base.Throwables; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.ScheduledFuture; |
| import java.util.concurrent.TimeUnit; |
| |
| public class ScheduledExecutorUtil { |
| |
| private static final Logger logger = LoggerFactory.getLogger(ScheduledExecutorUtil.class); |
| |
| /** |
| * A safe wrapper method to make sure the exception thrown by the previous running will not affect |
| * the next one. Please reference the javadoc of {@link |
| * ScheduledExecutorService#scheduleAtFixedRate(Runnable, long, long, TimeUnit)} for more details. |
| * |
| * @param executor the ScheduledExecutorService instance. |
| * @param command same parameter in {@link ScheduledExecutorService#scheduleAtFixedRate(Runnable, |
| * long, long, TimeUnit)}. |
| * @param initialDelay same parameter in {@link |
| * ScheduledExecutorService#scheduleAtFixedRate(Runnable, long, long, TimeUnit)}. |
| * @param period same parameter in {@link ScheduledExecutorService#scheduleAtFixedRate(Runnable, |
| * long, long, TimeUnit)}. |
| * @param unit same parameter in {@link ScheduledExecutorService#scheduleAtFixedRate(Runnable, |
| * long, long, TimeUnit)}. |
| * @return the same return value of {@link ScheduledExecutorService#scheduleAtFixedRate(Runnable, |
| * long, long, TimeUnit)}. |
| */ |
| @SuppressWarnings("unsafeThreadSchedule") |
| public static ScheduledFuture<?> safelyScheduleAtFixedRate( |
| ScheduledExecutorService executor, |
| Runnable command, |
| long initialDelay, |
| long period, |
| TimeUnit unit) { |
| return scheduleAtFixedRate(executor, command, initialDelay, period, unit, false); |
| } |
| |
| /** |
| * A safe wrapper method to make sure the exception thrown by the previous running will not affect |
| * the next one. Please reference the javadoc of {@link |
| * ScheduledExecutorService#scheduleWithFixedDelay(Runnable, long, long, TimeUnit)} for more |
| * details. |
| * |
| * @param executor the ScheduledExecutorService instance. |
| * @param command same parameter in {@link |
| * ScheduledExecutorService#scheduleWithFixedDelay(Runnable, long, long, TimeUnit)}. |
| * @param initialDelay same parameter in {@link |
| * ScheduledExecutorService#scheduleWithFixedDelay(Runnable, long, long, TimeUnit)}. |
| * @param delay same parameter in {@link ScheduledExecutorService#scheduleWithFixedDelay(Runnable, |
| * long, long, TimeUnit)}. |
| * @param unit same parameter in {@link ScheduledExecutorService#scheduleWithFixedDelay(Runnable, |
| * long, long, TimeUnit)}. |
| * @return the same return value of {@link |
| * ScheduledExecutorService#scheduleWithFixedDelay(Runnable, long, long, TimeUnit)}. |
| */ |
| @SuppressWarnings("unsafeThreadSchedule") |
| public static ScheduledFuture<?> safelyScheduleWithFixedDelay( |
| ScheduledExecutorService executor, |
| Runnable command, |
| long initialDelay, |
| long delay, |
| TimeUnit unit) { |
| return scheduleWithFixedDelay(executor, command, initialDelay, delay, unit, false); |
| } |
| |
| /** |
| * A wrapper method to have the same semantic with {@link |
| * ScheduledExecutorService#scheduleAtFixedRate(Runnable, long, long, TimeUnit)}, except for |
| * logging an error log when any uncaught exception happens. |
| * |
| * @param executor the ScheduledExecutorService instance. |
| * @param command same parameter in {@link ScheduledExecutorService#scheduleAtFixedRate(Runnable, |
| * long, long, TimeUnit)}. |
| * @param initialDelay same parameter in {@link |
| * ScheduledExecutorService#scheduleAtFixedRate(Runnable, long, long, TimeUnit)}. |
| * @param period same parameter in {@link ScheduledExecutorService#scheduleAtFixedRate(Runnable, |
| * long, long, TimeUnit)}. |
| * @param unit same parameter in {@link ScheduledExecutorService#scheduleAtFixedRate(Runnable, |
| * long, long, TimeUnit)}. |
| * @return the same return value of {@link ScheduledExecutorService#scheduleAtFixedRate(Runnable, |
| * long, long, TimeUnit)}. |
| */ |
| @SuppressWarnings("unsafeThreadSchedule") |
| public static ScheduledFuture<?> unsafelyScheduleAtFixedRate( |
| ScheduledExecutorService executor, |
| Runnable command, |
| long initialDelay, |
| long period, |
| TimeUnit unit) { |
| return scheduleAtFixedRate(executor, command, initialDelay, period, unit, true); |
| } |
| |
| /** |
| * A wrapper method to have the same semantic with {@link |
| * ScheduledExecutorService#scheduleWithFixedDelay(Runnable, long, long, TimeUnit)}, except for |
| * logging an error log when any uncaught exception happens. |
| * |
| * @param executor the ScheduledExecutorService instance. |
| * @param command same parameter in {@link |
| * ScheduledExecutorService#scheduleWithFixedDelay(Runnable, long, long, TimeUnit)}. |
| * @param initialDelay same parameter in {@link |
| * ScheduledExecutorService#scheduleWithFixedDelay(Runnable, long, long, TimeUnit)}. |
| * @param delay same parameter in {@link ScheduledExecutorService#scheduleWithFixedDelay(Runnable, |
| * long, long, TimeUnit)}. |
| * @param unit same parameter in {@link ScheduledExecutorService#scheduleWithFixedDelay(Runnable, |
| * long, long, TimeUnit)}. |
| * @return the same return value of {@link |
| * ScheduledExecutorService#scheduleWithFixedDelay(Runnable, long, long, TimeUnit)}. |
| */ |
| @SuppressWarnings("unsafeThreadSchedule") |
| public static ScheduledFuture<?> unsafelyScheduleWithFixedDelay( |
| ScheduledExecutorService executor, |
| Runnable command, |
| long initialDelay, |
| long delay, |
| TimeUnit unit) { |
| return scheduleWithFixedDelay(executor, command, initialDelay, delay, unit, true); |
| } |
| |
| @SuppressWarnings("unsafeThreadSchedule") |
| private static ScheduledFuture<?> scheduleAtFixedRate( |
| ScheduledExecutorService executor, |
| Runnable command, |
| long initialDelay, |
| long period, |
| TimeUnit unit, |
| boolean unsafe) { |
| return executor.scheduleAtFixedRate( |
| () -> { |
| try { |
| command.run(); |
| } catch (Throwable t) { |
| logger.error("Schedule task failed", t); |
| if (unsafe) { |
| throw t; |
| } |
| } |
| }, |
| initialDelay, |
| period, |
| unit); |
| } |
| |
| @SuppressWarnings("unsafeThreadSchedule") |
| private static ScheduledFuture<?> scheduleWithFixedDelay( |
| ScheduledExecutorService executor, |
| Runnable command, |
| long initialDelay, |
| long delay, |
| TimeUnit unit, |
| boolean unsafe) { |
| return executor.scheduleWithFixedDelay( |
| () -> { |
| try { |
| command.run(); |
| } catch (Throwable t) { |
| logger.error("Schedule task failed", t); |
| if (unsafe) { |
| throw t; |
| } |
| } |
| }, |
| initialDelay, |
| delay, |
| unit); |
| } |
| |
| public static RuntimeException propagate(Throwable throwable) { |
| logger.error("Run thread failed", throwable); |
| Throwables.throwIfUnchecked(throwable); |
| throw new RuntimeException(throwable); |
| } |
| } |