本地批量缓存

public abstract class AtomicBatchService implements Serializable {

    private static final long serialVersionUID = 2931723128262800986L;

    private static final Logger logger = LoggerFactory.getLogger(AtomicBatchService.class);

    private long LAST_BATCH_INSERT_TIME = System.currentTimeMillis();
    public AtomicReference> cacheMap = new AtomicReference<>();
    public OUT out;
    private Context context;

    public RESULT doBatch(String key, INPUT dataObject) {

        return doBatch(key, dataObject, null);
    }

    public RESULT doBatch(String key, INPUT dataObject, OUT out) {

        this.setOut(out);
        cacheMap.updateAndGet(new UnaryOperator>() {
            @Override
            public Map apply(Map map) {
                if (map == null) {
                    map = new ConcurrentHashMap();
                    context = getConfig() == null ? new Context() : getConfig();
                    if (context.getPeriod() > 0) {
                        addTimer(context);
                    }
                    System.out.println(System.identityHashCode(this) + "批量任务初始化成功:" + JSONObject.toJSONString(context));
                }
                map.put(key, dataObject);
                return map;
            }
        });

        return isExcuteBatch() ? excute() : null;
    }

    /**
     * 是否执行批量
     *
     * @return
     */
    public boolean isExcuteBatch() {

        return cacheMap.get().size() >= context.getBatchSize() || (System.currentTimeMillis() - LAST_BATCH_INSERT_TIME) > context.getMilliSeconds();
    }

    /**
     * 定时任务是否执行
     *
     * @return
     */
    public boolean isExcuteTask() {

        return (System.currentTimeMillis() - LAST_BATCH_INSERT_TIME) > context.getMilliSeconds();
    }

    /**
     * 批量处理数据
     *
     * @return
     */
    public RESULT excute() {

        LAST_BATCH_INSERT_TIME = System.currentTimeMillis();
        long startTime = LAST_BATCH_INSERT_TIME;
        Map map = cacheMap.getAndSet(new ConcurrentHashMap<>());
        if (MapUtils.isEmpty(map)) {
            return null;
        }

        Collection dataList = map.values();
        if (CollectionUtils.isEmpty(dataList)) {
            return null;
        }

        RESULT result = batchOperation(new ArrayList<>(dataList));
        if (ConstantsDefine.isLog) {
            System.out.println("批量处理数据: " + JSONObject.toJSONString(map));
        }
        System.out.println(String.format("批量操作花费时间: %d|%dms", dataList.size(), (System.currentTimeMillis() - startTime)));
        return result;
    }

    /**
     * 批量处理本地缓存的数据
     */
    public void doSubmit() {

        long startTime = System.currentTimeMillis();
        Map map = cacheMap.getAndSet(new ConcurrentHashMap<>());
        if (MapUtils.isEmpty(map)) {
            return;
        }

        Collection dataList = map.values();
        if (CollectionUtils.isEmpty(dataList)) {
            return;
        }
        batchOperation(new ArrayList<>(dataList));
        logger.info("批量操作花费时间: {}|{}ms", dataList.size(), (System.currentTimeMillis() - startTime));
    }

    /**
     * 增加定时器处理
     *
     * @param context
     */
    public void addTimer(Context context) {

        new Timer().schedule(new AtomicTimerTask(this), context.getPeriod(), context.getPeriod());
    }

    /**
     * 批量操作
     *
     * @param dataList
     */
    public abstract RESULT batchOperation(List dataList);

    /**
     * 批量输出
     *
     * @param out
     * @param resultList
     */
    public abstract void out(OUT out, RESULT resultList);

    /**
     * 设置批量数量、间隔时间(单位秒)
     */
    public abstract Context getConfig();

    public static class Context {

        private long milliSeconds = 5000;// 间隔时间(单位毫秒)

        private int batchSize = 100;// 批量数量

        private long period = 0;// 定时器处理周期,为0表示不启动定时器

        public Context() {

        }

        public Context(int batchSize, int milliSeconds) {

            this.setMilliSeconds(milliSeconds);
            this.setBatchSize(batchSize);
        }

        public Context(int batchSize, int milliSeconds, long period) {

            this.setMilliSeconds(milliSeconds);
            this.setBatchSize(batchSize);
            this.setPeriod(period);
        }

        public long getMilliSeconds() {
            return milliSeconds;
        }

        public void setMilliSeconds(long milliSeconds) {
            this.milliSeconds = milliSeconds;
        }

        public int getBatchSize() {
            return batchSize;
        }

        public void setBatchSize(int batchSize) {
            this.batchSize = batchSize;
        }

        public long getPeriod() {
            return period;
        }

        public void setPeriod(long period) {
            this.period = period;
        }
    }

    /**
     * @Description 批量任务定时器
     * @Author 01381119
     * @CreateDate: 2019/3/18 17:19
     */
    public class AtomicTimerTask extends TimerTask {

        private AtomicBatchService atomicBatchService;

        public AtomicTimerTask(AtomicBatchService atomicBatchService) {

            this.atomicBatchService = atomicBatchService;
        }

        @Override
        public void run() {

            System.out.println(String.format("批量任务定时器开始处理：%s|%s|%sms", DateTimeUtils.formatDateToString(new Date(), DateTimeUtils.DATE_FORMAT_FULL), this.atomicBatchService.getClass().getName(), this.atomicBatchService.getConfig().getPeriod()));
            if (!atomicBatchService.isExcuteTask()) {
                System.out.println("批量任务执行正常,无需执行定时器任务!");
                return;
            }

            if (atomicBatchService.out == null) {// 不需要再执行输出下一环节操作
                atomicBatchService.excute();
            } else {
                atomicBatchService.out(atomicBatchService.out, atomicBatchService.excute());
            }
            System.out.println(String.format("批量任务定时器完成处理：%s", DateTimeUtils.formatDateToString(new Date(), DateTimeUtils.DATE_FORMAT_FULL)));
        }
    }

    public AtomicReference> getCacheMap() {
        return cacheMap;
    }

    public void setCacheMap(AtomicReference> cacheMap) {
        this.cacheMap = cacheMap;
    }

    public OUT getOut() {
        return out;
    }

    public void setOut(OUT out) {
        this.out = out;
    }

    public Context getContext() {
        return context;
    }

    public void setContext(Context context) {
        this.context = context;
    }

 

 

 

 

 

批量定时器:

public class AtomicTimerTask extends TimerTask {

    private AtomicBatchService atomicBatchService;

    public AtomicTimerTask(AtomicBatchService atomicBatchService) {

        this.atomicBatchService = atomicBatchService;
    }

    @Override
    public void run() {

        System.out.println(String.format("批量任务定时器开始处理：%s|%sms", this.atomicBatchService.getClass().getName(), this.atomicBatchService.getConfig().getPeriod()));
        if (!atomicBatchService.isExcuteTask()) {
            System.out.println("批量任务执行正常,无需执行定时器任务!");
            return;
        }

        if (atomicBatchService.out == null) {// 不需要再执行输出下一环节操作
            atomicBatchService.excute();
        } else {
            atomicBatchService.out(atomicBatchService.out, atomicBatchService.excute());
        }
    } 

 

 

 

应用:(继承)

public class ChaifenService extends AtomicBatchService, Collector> {

    private static HighLevelRestDao highLevelRestDao = new HighLevelRestDaoImpl();
    private static String ES_INDEX_NAME = "chaifen_vehicle";
    private static String ES_DOC_TYPE = "chaifen_vehicle";

    @Override
    public List batchOperation(List dataList) {
        List liRequestList = Lists.transform(dataList, new Function() {
            @Nullable
            @Override
            public String apply(@Nullable JSONObject jsonObject) {
                return jsonObject.getString("line_require_id");
            }
        });

        if (ListUtil.isEmpty(liRequestList)){
            return dataList;
        }

        try {
            QueryCondition queryCondition = new QueryCondition(ES_INDEX_NAME,ES_DOC_TYPE);
            queryCondition.setField("line_require_id",liRequestList);
            highLevelRestDao.doSyncDelete(queryCondition);
        }catch (Exception e){
            e.printStackTrace();
        }

        return dataList;
    }

    @Override
    public void out(Collector stringCollector, List resultList) {
        if (ListUtil.isEmpty(resultList)) {
            return;
        }

        for (JSONObject dataJson : resultList) {
            out.collect(dataJson.toJSONString());
        }

    }

    @Override
    public Context getConfig() {
        return new Context(300, 3 * 1000, 5 * 60 * 1000);
    }

 

 

chaifenService.setOut(out);
List list = chaifenService.doBatch(json.getString("esKey"), json);
if (ListUtil.isEmpty(list)) {
    return;
}

for (JSONObject result : list) {
    out.collect(result.toJSONString());
}