Example usage for java.time LocalDateTime withMinute

Introduction

In this page you can find the example usage for java.time LocalDateTime withMinute.

Prototype

public LocalDateTime withMinute(int minute) 

Source Link

Document

Returns a copy of this LocalDateTime with the minute-of-hour altered.

Usage

From source file:Main.java

public static void main(String[] args) {
    LocalDateTime a = LocalDateTime.of(2014, 6, 30, 12, 01);

    LocalDateTime t = a.withMinute(34);

    System.out.println(t);//from  w w  w . j a  va 2s  . c o  m
}

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From source file:io.mandrel.metrics.MetricsService.java

public Timeserie serie(String name) {
    Timeserie serie = metricsRepository.serie(name);

    LocalDateTime now = LocalDateTime.now();
    LocalDateTime minus4Hours = now.withMinute(0).withSecond(0).withNano(0).minusHours(4);

    LocalDateTime firstTime = CollectionUtils.isNotEmpty(serie) && serie.first() != null
            && serie.first().getTime().isBefore(minus4Hours) ? serie.first().getTime() : minus4Hours;
    LocalDateTime lastTime = now;

    Set<Data> results = LongStream.range(0, Duration.between(firstTime, lastTime).toMinutes())
            .mapToObj(minutes -> firstTime.plusMinutes(minutes)).map(time -> Data.of(time, Long.valueOf(0)))
            .collect(TreeSet::new, TreeSet::add, (left, right) -> {
                left.addAll(right);//from   w w w  . j  a va2s.c o m
            });

    Timeserie serieWithBlank = new Timeserie();
    serieWithBlank.addAll(results);
    serieWithBlank.addAll(serie);

    return serieWithBlank;
}

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From source file:io.mandrel.metrics.impl.MongoMetricsRepository.java

@Scheduled(cron = "0 0 * * * *")
public void prepareNextMinutes() {
    log.debug("Preparing next metric bucket");

    // TODO Distributed lock!
    LocalDateTime now = LocalDateTime.now();
    LocalDateTime keytime = now.withMinute(0).withSecond(0).withNano(0).plusMinutes(1);

    prepareMinutes(keytime);/*from   ww  w  . j a  va  2 s .  c  o m*/
}

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From source file:io.mandrel.metrics.impl.MongoMetricsRepository.java

@Override
public void sync(Map<String, Long> accumulators) {

    LocalDateTime now = LocalDateTime.now();
    LocalDateTime keytime = now.withMinute(0).withSecond(0).withNano(0);

    // {global.XXX=0, global.YYY=0, ...} to {global{XXX=O, YYY=0}, ...}
    Stream<Pair<String, Pair<String, Long>>> map = accumulators.entrySet().stream().map(e -> {
        Iterable<String> results = splitter.split(e.getKey());
        List<String> elts = Lists.newArrayList(results);
        return Pair.of(elts.get(0), Pair.of(elts.get(1), e.getValue()));
    });//from   www. j  a v a  2  s.  c  o  m
    Map<String, List<Pair<String, Long>>> byKey = map.collect(Collectors.groupingBy(e -> e.getLeft(),
            Collectors.mapping(e -> e.getRight(), Collectors.toList())));

    List<? extends WriteModel<Document>> requests = byKey.entrySet().stream().map(e -> {
        Document updates = new Document();

        e.getValue().stream().forEach(i -> {
            Iterable<String> results = splitter.split(i.getKey());
            List<String> elts = Lists.newArrayList(results);
            if (elts.size() > 1) {
                updates.put(elts.get(0) + "." + JsonBsonCodec.toBson(elts.get(1)), i.getValue());
            } else {
                updates.put(i.getKey(), i.getValue());
            }
        });

        return new UpdateOneModel<Document>(Filters.eq("_id", e.getKey()), new Document("$inc", updates),
                new UpdateOptions().upsert(true));
    }).collect(Collectors.toList());

    counters.bulkWrite(requests);

    requests = byKey.entrySet().stream().map(e -> {
        List<UpdateOneModel<Document>> tsUpdates = Lists.newArrayList();

        e.getValue().stream().forEach(i -> {
            Iterable<String> results = splitter.split(i.getKey());
            List<String> elts = Lists.newArrayList(results);

            if (elts.size() == 1 && e.getKey().equalsIgnoreCase(MetricKeys.global())) {
                tsUpdates.add(new UpdateOneModel<Document>(
                        Filters.and(Filters.eq("type", e.getKey() + MetricKeys.METRIC_DELIM + i.getKey()),
                                Filters.eq("timestamp_hour", keytime)),
                        new Document("$inc",
                                new Document("values." + Integer.toString(now.getMinute()), i.getValue())),
                        new UpdateOptions().upsert(true)));
            }
        });

        return tsUpdates;
    }).flatMap(list -> list.stream()).collect(Collectors.toList());

    timeseries.bulkWrite(requests);

}

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