Examples with DAYS java.time.temporal.ChronoUnit.DAYS used on opensource projects

Example 1 with DAYS

use of java.time.temporal.ChronoUnit.DAYS in project openremote by openremote.

the class AssetDatapointService method purgeDataPoints.

protected void purgeDataPoints() {
    LOG.info("Starting data points purge daily task");
    try {
        // Get list of attributes that have custom durations
        List<Asset<?>> assets = assetStorageService.findAll(new AssetQuery().attributes(new AttributePredicate().meta(new NameValuePredicate(MetaItemType.DATA_POINTS_MAX_AGE_DAYS, null))));
        List<Pair<String, Attribute<?>>> attributes = assets.stream().map(asset -> asset.getAttributes().stream().filter(assetAttribute -> assetAttribute.hasMeta(MetaItemType.DATA_POINTS_MAX_AGE_DAYS)).map(assetAttribute -> new Pair<String, Attribute<?>>(asset.getId(), assetAttribute)).collect(toList())).flatMap(List::stream).collect(toList());
        // Purge data points not in the above list using default duration
        LOG.fine("Purging data points of attributes that use default max age days of " + maxDatapointAgeDays);
        persistenceService.doTransaction(em -> em.createQuery("delete from AssetDatapoint dp " + "where dp.timestamp < :dt" + buildWhereClause(attributes, true)).setParameter("dt", Date.from(timerService.getNow().truncatedTo(DAYS).minus(maxDatapointAgeDays, DAYS))).executeUpdate());
        if (!attributes.isEmpty()) {
            // Purge data points that have specific age constraints
            Map<Integer, List<Pair<String, Attribute<?>>>> ageAttributeRefMap = attributes.stream().collect(groupingBy(attributeRef -> attributeRef.value.getMetaValue(MetaItemType.DATA_POINTS_MAX_AGE_DAYS).orElse(maxDatapointAgeDays)));
            ageAttributeRefMap.forEach((age, attrs) -> {
                LOG.fine("Purging data points of " + attrs.size() + " attributes that use a max age of " + age);
                try {
                    persistenceService.doTransaction(em -> em.createQuery("delete from AssetDatapoint dp " + "where dp.timestamp < :dt" + buildWhereClause(attrs, false)).setParameter("dt", Date.from(timerService.getNow().truncatedTo(DAYS).minus(age, DAYS))).executeUpdate());
                } catch (Exception e) {
                    LOG.log(Level.SEVERE, "An error occurred whilst deleting data points, this should not happen", e);
                }
            });
        }
    } catch (Exception e) {
        LOG.log(Level.WARNING, "Failed to run data points purge", e);
    }
    LOG.info("Finished data points purge daily task");
}