com.alibaba.hologres.client.impl.OneshotWorker Maven / Gradle / Ivy
/*
* Copyright (c) 2022. Alibaba Group Holding Limited
*/
package com.alibaba.hologres.client.impl;
import com.alibaba.hologres.client.HoloConfig;
import com.alibaba.hologres.client.impl.action.AbstractAction;
import com.alibaba.hologres.client.impl.binlog.action.BinlogAction;
import com.alibaba.hologres.client.impl.binlog.handler.BinlogActionHandler;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
/**
* 只跑一次的worker，没有while.
*/
public class OneshotWorker extends Worker {
public OneshotWorker(HoloConfig config, AtomicBoolean started, String index, boolean isShadingEnv, boolean isFixed) {
super(config, started, index, isShadingEnv, isFixed);
handlerMap.put(BinlogAction.class, new BinlogActionHandler(started, config, isShadingEnv, isFixed));
}
@Override
public void run() {
LOGGER.info("worker:{} start", this);
try {
AbstractAction action = recordCollector.get(2000L, TimeUnit.MILLISECONDS);
/*
* 每个循环做2件事情：
* 1 有action就执行action
* 2 根据connectionMaxIdleMs释放空闲connection
* */
if (null != action) {
try {
handle(action);
} finally {
recordCollector.clear();
}
} else {
}
} catch (Throwable e) {
LOGGER.error("should not happen", e);
}
LOGGER.info("worker:{} stop", this);
connectionHolder.close();
}
}