Examples with GetTsCmd org.thingsboard.server.service.telemetry.cmd.v2.GetTsCmd used on opensource projects

Example 1 with GetTsCmd

use of org.thingsboard.server.service.telemetry.cmd.v2.GetTsCmd in project thingsboard by thingsboard.

the class DefaultTbEntityDataSubscriptionService method handleGetTsCmd.

private ListenableFuture<TbEntityDataSubCtx> handleGetTsCmd(TbEntityDataSubCtx ctx, GetTsCmd cmd, boolean subscribe) {
    List<String> keys = cmd.getKeys();
    List<ReadTsKvQuery> finalTsKvQueryList;
    List<ReadTsKvQuery> tsKvQueryList = cmd.getKeys().stream().map(key -> new BaseReadTsKvQuery(key, cmd.getStartTs(), cmd.getEndTs(), cmd.getInterval(), getLimit(cmd.getLimit()), cmd.getAgg())).collect(Collectors.toList());
    if (cmd.isFetchLatestPreviousPoint()) {
        finalTsKvQueryList = new ArrayList<>(tsKvQueryList);
        finalTsKvQueryList.addAll(cmd.getKeys().stream().map(key -> new BaseReadTsKvQuery(key, cmd.getStartTs() - TimeUnit.DAYS.toMillis(365), cmd.getStartTs(), cmd.getInterval(), 1, cmd.getAgg())).collect(Collectors.toList()));
    } else {
        finalTsKvQueryList = tsKvQueryList;
    }
    Map<EntityData, ListenableFuture<List<TsKvEntry>>> fetchResultMap = new HashMap<>();
    ctx.getData().getData().forEach(entityData -> fetchResultMap.put(entityData, tsService.findAll(ctx.getTenantId(), entityData.getEntityId(), finalTsKvQueryList)));
    return Futures.transform(Futures.allAsList(fetchResultMap.values()), f -> {
        fetchResultMap.forEach((entityData, future) -> {
            Map<String, List<TsValue>> keyData = new LinkedHashMap<>();
            cmd.getKeys().forEach(key -> keyData.put(key, new ArrayList<>()));
            try {
                List<TsKvEntry> entityTsData = future.get();
                if (entityTsData != null) {
                    entityTsData.forEach(entry -> keyData.get(entry.getKey()).add(new TsValue(entry.getTs(), entry.getValueAsString())));
                }
                keyData.forEach((k, v) -> entityData.getTimeseries().put(k, v.toArray(new TsValue[v.size()])));
                if (cmd.isFetchLatestPreviousPoint()) {
                    entityData.getTimeseries().values().forEach(dataArray -> {
                        Arrays.sort(dataArray, (o1, o2) -> Long.compare(o2.getTs(), o1.getTs()));
                    });
                }
            } catch (InterruptedException | ExecutionException e) {
                log.warn("[{}][{}][{}] Failed to fetch historical data", ctx.getSessionId(), ctx.getCmdId(), entityData.getEntityId(), e);
                wsService.sendWsMsg(ctx.getSessionId(), new EntityDataUpdate(ctx.getCmdId(), SubscriptionErrorCode.INTERNAL_ERROR.getCode(), "Failed to fetch historical data!"));
            }
        });
        EntityDataUpdate update;
        if (!ctx.isInitialDataSent()) {
            update = new EntityDataUpdate(ctx.getCmdId(), ctx.getData(), null, ctx.getMaxEntitiesPerDataSubscription());
            ctx.setInitialDataSent(true);
        } else {
            update = new EntityDataUpdate(ctx.getCmdId(), null, ctx.getData().getData(), ctx.getMaxEntitiesPerDataSubscription());
        }
        wsService.sendWsMsg(ctx.getSessionId(), update);
        if (subscribe) {
            ctx.createTimeseriesSubscriptions(keys.stream().map(key -> new EntityKey(EntityKeyType.TIME_SERIES, key)).collect(Collectors.toList()), cmd.getStartTs(), cmd.getEndTs());
        }
        ctx.getData().getData().forEach(ed -> ed.getTimeseries().clear());
        return ctx;
    }, wsCallBackExecutor);
}