Example usage for com.google.common.collect TreeRangeSet asRanges

Introduction

In this page you can find the example usage for com.google.common.collect TreeRangeSet asRanges.

Prototype

Set asRanges

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Usage

From source file:org.apache.calcite.adapter.druid.DruidDateTimeUtils.java

/**
 * Generates a list of {@link LocalInterval}s equivalent to a given
 * expression. Assumes that all the predicates in the input
 * reference a single column: the timestamp column.
 *///from  www  .  j a  v a 2s .  com
public static List<LocalInterval> createInterval(RelDataType type, RexNode e) {
    final List<Range<Calendar>> ranges = extractRanges(e, false);
    if (ranges == null) {
        // We did not succeed, bail out
        return null;
    }
    final TreeRangeSet condensedRanges = TreeRangeSet.create();
    for (Range r : ranges) {
        condensedRanges.add(r);
    }
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("Inferred ranges on interval : " + condensedRanges);
    }
    return toInterval(ImmutableList.<Range>copyOf(condensedRanges.asRanges()));
}

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From source file:org.onosproject.net.resource.DiscreteResourceSetSerializer.java

@Override
public void write(Kryo kryo, Output output, DiscreteResourceSet object) {
    TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
    object.values().stream().map(x -> x.valueAs(Object.class)).flatMap(Tools::stream)
            .map(x -> object.codec().encode(x)).map(Range::singleton)
            .map(x -> x.canonical(DiscreteDomain.integers())).forEach(rangeSet::add);
    List<ClosedOpenRange> ranges = rangeSet.asRanges().stream().map(ClosedOpenRange::of)
            .collect(Collectors.toList());
    kryo.writeObject(output, ranges);//from  ww  w.  ja  v a  2s. c  o  m
    kryo.writeClassAndObject(output, object.codec());
    kryo.writeObject(output, object.parent());
}

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