Examples with EntryLengthSummarizer org.apache.accumulo.core.client.summary.summarizers.EntryLengthSummarizer used on opensource projects

Example 16 with EntryLengthSummarizer

use of org.apache.accumulo.core.client.summary.summarizers.EntryLengthSummarizer in project accumulo by apache.

the class EntryLengthSummarizersTest method testCombine3.

@Test
public void testCombine3() {
    SummarizerConfiguration sc = SummarizerConfiguration.builder(EntryLengthSummarizer.class).build();
    EntryLengthSummarizer entrySum = new EntryLengthSummarizer();
    Collector collector1 = entrySum.collector(sc);
    collector1.accept(new Key("r1", "f1"), new Value("v1"));
    HashMap<String, Long> stats1 = new HashMap<>();
    collector1.summarize(stats1::put);
    Collector collector2 = entrySum.collector(sc);
    collector2.accept(new Key("row1", "family1", "q1"), new Value(""));
    HashMap<String, Long> stats2 = new HashMap<>();
    collector2.summarize(stats2::put);
    Combiner combiner = entrySum.combiner(sc);
    combiner.merge(stats1, stats2);
    HashMap<String, Long> expected = new HashMap<>();
    expected.put("key.min", 4L);
    expected.put("key.max", 13L);
    expected.put("key.sum", 17L);
    // Log2 Histogram for Key
    expected.put("key.logHist.2", 1L);
    expected.put("key.logHist.4", 1L);
    expected.put("row.min", 2L);
    expected.put("row.max", 4L);
    expected.put("row.sum", 6L);
    // Log2 Histogram for Row
    expected.put("row.logHist.1", 1L);
    expected.put("row.logHist.2", 1L);
    expected.put("family.min", 2L);
    expected.put("family.max", 7L);
    expected.put("family.sum", 9L);
    // Log2 Histogram for Family
    expected.put("family.logHist.1", 1L);
    expected.put("family.logHist.3", 1L);
    expected.put("qualifier.min", 0L);
    expected.put("qualifier.max", 2L);
    expected.put("qualifier.sum", 2L);
    // Log2 Histogram for Qualifier
    expected.put("qualifier.logHist.0", 1L);
    expected.put("qualifier.logHist.1", 1L);
    expected.put("visibility.min", 0L);
    expected.put("visibility.max", 0L);
    expected.put("visibility.sum", 0L);
    // Log2 Histogram for Visibility
    expected.put("visibility.logHist.0", 2L);
    expected.put("value.min", 0L);
    expected.put("value.max", 2L);
    expected.put("value.sum", 2L);
    // Log2 Histogram for Value
    expected.put("value.logHist.0", 1L);
    expected.put("value.logHist.1", 1L);
    expected.put("total", 2L);
    Assert.assertEquals(expected, stats1);
}