Example usage for java.time ZonedDateTime minus

Introduction

In this page you can find the example usage for java.time ZonedDateTime minus.

Prototype

@Override
public ZonedDateTime minus(TemporalAmount amountToSubtract) 

Source Link

Document

Returns a copy of this date-time with the specified amount subtracted.

Usage

From source file:Main.java

public static void main(String[] args) {
    ZonedDateTime dateTime = ZonedDateTime.now();
    ZonedDateTime n = dateTime.minus(Period.ofDays(12));
    System.out.println(n);/*from   w w w. j  a  v  a2 s  .com*/
}

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From source file:dk.dma.vessel.track.store.AisStoreClient.java

public List<PastTrackPos> getPastTrack(int mmsi, Integer minDist, Duration age) {

    // Determine URL
    age = age != null ? age : Duration.parse(pastTrackTtl);
    minDist = minDist == null ? Integer.valueOf(pastTrackMinDist) : minDist;
    ZonedDateTime now = ZonedDateTime.now();
    String from = now.format(DateTimeFormatter.ISO_INSTANT);
    ZonedDateTime end = now.minus(age);
    String to = end.format(DateTimeFormatter.ISO_INSTANT);
    String interval = String.format("%s/%s", to, from);
    String url = String.format("%s?mmsi=%d&interval=%s", aisViewUrl, mmsi, interval);

    final List<PastTrackPos> track = new ArrayList<>();
    try {/*from w  ww .ja v a 2s . co  m*/
        long t0 = System.currentTimeMillis();

        // TEST
        url = url + "&filter=" + URLEncoder.encode("(s.country not in (GBR)) & (s.region!=808)", "UTF-8");

        // Set up a few timeouts and fetch the attachment
        URLConnection con = new URL(url).openConnection();
        con.setConnectTimeout(10 * 1000); // 10 seconds
        con.setReadTimeout(60 * 1000); // 1 minute

        if (!StringUtils.isEmpty(aisAuthHeader)) {
            con.setRequestProperty("Authorization", aisAuthHeader);
        }

        try (InputStream in = con.getInputStream(); BufferedInputStream bin = new BufferedInputStream(in)) {
            AisReader aisReader = AisReaders.createReaderFromInputStream(bin);
            aisReader.registerPacketHandler(new Consumer<AisPacket>() {
                @Override
                public void accept(AisPacket p) {
                    AisMessage message = p.tryGetAisMessage();
                    if (message == null || !(message instanceof IVesselPositionMessage)) {
                        return;
                    }
                    VesselTarget target = new VesselTarget();
                    target.merge(p, message);
                    if (!target.checkValidPos()) {
                        return;
                    }
                    track.add(new PastTrackPos(target.getLat(), target.getLon(), target.getCog(),
                            target.getSog(), target.getLastPosReport()));
                }
            });
            aisReader.start();
            try {
                aisReader.join();
            } catch (InterruptedException e) {
                return null;
            }
        }
        LOG.info(String.format("Read %d past track positions in %d ms", track.size(),
                System.currentTimeMillis() - t0));
    } catch (IOException e) {
        LOG.error("Failed to make REST query: " + url);
        throw new InternalError("REST endpoint failed");
    }
    LOG.info("AisStore returned track with " + track.size() + " points");
    return PastTrack.downSample(track, minDist, age.toMillis());
}

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From source file:nu.yona.server.analysis.service.AnalysisEngineService.java

private ZonedDateTime correctTime(Duration deviceTimeOffset, ZonedDateTime time) {
    return time.minus(deviceTimeOffset);
}

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From source file:bamboo.trove.rule.RuleChangeUpdateManager.java

@VisibleForTesting
public SolrQuery convertRuleToSearch(CdxRule rule, String notLastIndexed) {
    // URL complexity first
    List<String> urlQueries = new ArrayList<>();
    for (String url : rule.getUrlPatterns()) {
        if (!url.trim().isEmpty()) {
            urlQueries.add(urlSearch(url));
        }/*from  w w  w . j  av  a  2 s.  c  o m*/
    }
    if (urlQueries.isEmpty()) {
        urlQueries.add("*:*");
    }
    SolrQuery query = createQuery("(" + StringUtils.join(urlQueries, ") OR (") + ")");

    // Filter out stuff we have touched already this run
    query.addFilterQuery(notLastIndexed);
    // Filter for Embargo
    if (rule.getPeriod() != null && !rule.getPeriod().isZero()) {
        // TODAY +/- embargo period
        ZonedDateTime today = ZonedDateTime.ofInstant(CdxRestrictionService.TODAY.toInstant(), TZ);
        Date embargoStart = Date.from(today.minus(rule.getPeriod()).toInstant());
        query.addFilterQuery(SolrEnum.DATE + ":[" + format.format(embargoStart) + " TO *]");
    }
    // Filter for Capture date
    if (rule.getCaptured() != null && rule.getCaptured().hasData()) {
        query.addFilterQuery(SolrEnum.DATE + ":[" + format.format(rule.getCaptured().start) + " TO "
                + format.format(rule.getCaptured().end) + "]");
    }
    // Worth noting we don't filter for access date because it is one of the
    // deciding data points in whether or not to run this query at all.
    return query;
}

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From source file:org.openhab.binding.airvisualnode.internal.handler.AirVisualNodeHandler.java

private State getChannelState(String channelId, NodeData nodeData) {
    State state = UnDefType.UNDEF;

    // Handle system channel IDs separately, because 'switch/case' expressions must be constant expressions
    if (CHANNEL_BATTERY_LEVEL.equals(channelId)) {
        state = new DecimalType(BigDecimal.valueOf(nodeData.getStatus().getBattery()).longValue());
    } else if (CHANNEL_WIFI_STRENGTH.equals(channelId)) {
        state = new DecimalType(
                BigDecimal.valueOf(Math.max(0, nodeData.getStatus().getWifiStrength() - 1)).longValue());
    } else {/*from   w ww .ja va  2s  . com*/
        // Handle binding-specific channel IDs
        switch (channelId) {
        case CHANNEL_CO2:
            state = new QuantityType<>(nodeData.getMeasurements().getCo2Ppm(), PARTS_PER_MILLION);
            break;
        case CHANNEL_HUMIDITY:
            state = new QuantityType<>(nodeData.getMeasurements().getHumidityRH(), PERCENT);
            break;
        case CHANNEL_AQI_US:
            state = new QuantityType<>(nodeData.getMeasurements().getPm25AQIUS(), ONE);
            break;
        case CHANNEL_PM_25:
            // PM2.5 is in ug/m3
            state = new QuantityType<>(nodeData.getMeasurements().getPm25Ugm3(),
                    MICRO(GRAM).divide(CUBIC_METRE));
            break;
        case CHANNEL_TEMP_CELSIUS:
            state = new QuantityType<>(nodeData.getMeasurements().getTemperatureC(), CELSIUS);
            break;
        case CHANNEL_TIMESTAMP:
            // It seem the Node timestamp is Unix timestamp converted from UTC time plus timezone offset.
            // Not sure about DST though, but it's best guess at now
            Instant instant = Instant.ofEpochMilli(nodeData.getStatus().getDatetime() * 1000L);
            ZonedDateTime zonedDateTime = ZonedDateTime.ofInstant(instant, ZoneId.of("UTC"));
            ZoneId zoneId = ZoneId.of(nodeData.getSettings().getTimezone());
            ZoneRules zoneRules = zoneId.getRules();
            zonedDateTime.minus(Duration.ofSeconds(zoneRules.getOffset(instant).getTotalSeconds()));
            if (zoneRules.isDaylightSavings(instant)) {
                zonedDateTime.minus(Duration.ofSeconds(zoneRules.getDaylightSavings(instant).getSeconds()));
            }
            state = new DateTimeType(zonedDateTime);
            break;
        case CHANNEL_USED_MEMORY:
            state = new DecimalType(BigDecimal.valueOf(nodeData.getStatus().getUsedMemory()).longValue());
            break;
        }
    }

    return state;
}

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