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[Improve][EventService] improve event code and extract event code to …
…EventService (#7153)
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...eatunnel-engine-server/src/main/java/org/apache/seatunnel/engine/server/EventService.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 org.apache.seatunnel.engine.server; | ||
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| import org.apache.seatunnel.shade.com.google.common.util.concurrent.ThreadFactoryBuilder; | ||
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| import org.apache.seatunnel.api.event.Event; | ||
| import org.apache.seatunnel.common.utils.RetryUtils; | ||
| import org.apache.seatunnel.engine.server.event.JobEventReportOperation; | ||
| import org.apache.seatunnel.engine.server.utils.NodeEngineUtil; | ||
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| import com.hazelcast.spi.impl.NodeEngineImpl; | ||
| import lombok.extern.slf4j.Slf4j; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.concurrent.ArrayBlockingQueue; | ||
| import java.util.concurrent.BlockingQueue; | ||
| import java.util.concurrent.ExecutorService; | ||
| import java.util.concurrent.Executors; | ||
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| @Slf4j | ||
| public class EventService { | ||
| private final BlockingQueue<Event> eventBuffer; | ||
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| private ExecutorService eventForwardService; | ||
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| private final NodeEngineImpl nodeEngine; | ||
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| public EventService(NodeEngineImpl nodeEngine) { | ||
| eventBuffer = new ArrayBlockingQueue<>(2048); | ||
| initEventForwardService(); | ||
| this.nodeEngine = nodeEngine; | ||
| } | ||
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| private void initEventForwardService() { | ||
| eventForwardService = | ||
| Executors.newSingleThreadExecutor( | ||
| new ThreadFactoryBuilder().setNameFormat("event-forwarder-%d").build()); | ||
| eventForwardService.submit( | ||
| () -> { | ||
| List<Event> events = new ArrayList<>(); | ||
| RetryUtils.RetryMaterial retryMaterial = | ||
| new RetryUtils.RetryMaterial(2, true, e -> true); | ||
| while (!Thread.currentThread().isInterrupted()) { | ||
| try { | ||
| events.clear(); | ||
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| Event first = eventBuffer.take(); | ||
| events.add(first); | ||
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| eventBuffer.drainTo(events, 500); | ||
| JobEventReportOperation operation = new JobEventReportOperation(events); | ||
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| RetryUtils.retryWithException( | ||
| () -> | ||
| NodeEngineUtil.sendOperationToMasterNode( | ||
| nodeEngine, operation) | ||
| .join(), | ||
| retryMaterial); | ||
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| log.debug("Event forward success, events " + events.size()); | ||
| } catch (InterruptedException e) { | ||
| Thread.currentThread().interrupt(); | ||
| log.info("Event forward thread interrupted"); | ||
| } catch (Throwable t) { | ||
| log.warn("Event forward failed, discard events " + events.size(), t); | ||
| } | ||
| } | ||
| }); | ||
| } | ||
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| public void reportEvent(Event e) { | ||
| while (!eventBuffer.offer(e)) { | ||
| eventBuffer.poll(); | ||
| log.warn("Event buffer is full, discard the oldest event"); | ||
| } | ||
| } | ||
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| public void shutdownNow() { | ||
| if (eventForwardService != null) { | ||
| eventForwardService.shutdownNow(); | ||
| } | ||
| } | ||
| } |
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