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High-performance Java Dataframe with integrated columnar storage (fork of tablesaw)

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package org.datavec.dataframe.columns;

import org.datavec.dataframe.api.TimeColumn;
import org.datavec.dataframe.filtering.IntPredicate;
import it.unimi.dsi.fastutil.ints.IntArrayList;

import java.time.LocalTime;

/**
 *
 */
public interface TimeColumnUtils extends Column, Iterable {

    IntArrayList data();

    IntPredicate isMissing = i -> i == TimeColumn.MISSING_VALUE;

    IntPredicate isNotMissing = i -> i != TimeColumn.MISSING_VALUE;
}