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common/src/main/java/com/automq/rocketmq/common/ServiceThread.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package com.automq.rocketmq.common; | ||
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| import com.automq.rocketmq.common.util.Lifecycle; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
| import org.apache.rocketmq.common.CountDownLatch2; | ||
| import org.apache.rocketmq.common.constant.LoggerName; | ||
| import org.apache.rocketmq.logging.org.slf4j.Logger; | ||
| import org.apache.rocketmq.logging.org.slf4j.LoggerFactory; | ||
|
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| public abstract class ServiceThread implements Runnable, Lifecycle { | ||
| private static final Logger log = LoggerFactory.getLogger(LoggerName.COMMON_LOGGER_NAME); | ||
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| private static final long JOIN_TIME = 90 * 1000; | ||
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| protected Thread thread; | ||
| protected final CountDownLatch2 waitPoint = new CountDownLatch2(1); | ||
| protected volatile AtomicBoolean hasNotified = new AtomicBoolean(false); | ||
| protected volatile boolean stopped = false; | ||
| protected boolean isDaemon = false; | ||
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| //Make it able to restart the thread | ||
| private final AtomicBoolean started = new AtomicBoolean(false); | ||
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| public ServiceThread() { | ||
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| } | ||
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| public abstract String getServiceName(); | ||
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| @Override | ||
| public void start() { | ||
| log.info("Try to start service thread:{} started:{} lastThread:{}", getServiceName(), started.get(), thread); | ||
| if (!started.compareAndSet(false, true)) { | ||
| return; | ||
| } | ||
| stopped = false; | ||
| this.thread = new Thread(this, getServiceName()); | ||
| this.thread.setDaemon(isDaemon); | ||
| this.thread.start(); | ||
| log.info("Start service thread:{} started:{} lastThread:{}", getServiceName(), started.get(), thread); | ||
| } | ||
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| @Override | ||
| public void shutdown() { | ||
| this.shutdown(false); | ||
| } | ||
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| public void shutdown(final boolean interrupt) { | ||
| log.info("Try to shutdown service thread:{} started:{} lastThread:{}", getServiceName(), started.get(), thread); | ||
| if (!started.compareAndSet(true, false)) { | ||
| return; | ||
| } | ||
| this.stopped = true; | ||
| log.info("shutdown thread[{}] interrupt={} ", getServiceName(), interrupt); | ||
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| //if thead is waiting, wakeup it | ||
| wakeup(); | ||
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| try { | ||
| if (interrupt) { | ||
| this.thread.interrupt(); | ||
| } | ||
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| long beginTime = System.currentTimeMillis(); | ||
| if (!this.thread.isDaemon()) { | ||
| this.thread.join(this.getJoinTime()); | ||
| } | ||
| long elapsedTime = System.currentTimeMillis() - beginTime; | ||
| log.info("join thread[{}], elapsed time: {}ms, join time:{}ms", getServiceName(), elapsedTime, this.getJoinTime()); | ||
| } catch (InterruptedException e) { | ||
| log.error("Interrupted", e); | ||
| } | ||
| } | ||
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| public long getJoinTime() { | ||
| return JOIN_TIME; | ||
| } | ||
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| public void makeStop() { | ||
| if (!started.get()) { | ||
| return; | ||
| } | ||
| this.stopped = true; | ||
| log.info("makestop thread[{}] ", this.getServiceName()); | ||
| } | ||
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| public void wakeup() { | ||
| if (hasNotified.compareAndSet(false, true)) { | ||
| waitPoint.countDown(); // notify | ||
| } | ||
| } | ||
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| protected void waitForRunning(long interval) { | ||
| if (hasNotified.compareAndSet(true, false)) { | ||
| this.onWaitEnd(); | ||
| return; | ||
| } | ||
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| //entry to wait | ||
| waitPoint.reset(); | ||
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| try { | ||
| waitPoint.await(interval, TimeUnit.MILLISECONDS); | ||
| } catch (InterruptedException e) { | ||
| log.error("Interrupted", e); | ||
| } finally { | ||
| hasNotified.set(false); | ||
| this.onWaitEnd(); | ||
| } | ||
| } | ||
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| protected void onWaitEnd() { | ||
| } | ||
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| public boolean isStopped() { | ||
| return stopped; | ||
| } | ||
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| public boolean isDaemon() { | ||
| return isDaemon; | ||
| } | ||
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| public void setDaemon(boolean daemon) { | ||
| isDaemon = daemon; | ||
| } | ||
| } | ||
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