Examples with LongSupplier java.util.function.LongSupplier used on opensource projects

Example 31 with LongSupplier

use of java.util.function.LongSupplier in project lucene-solr by apache.

the class TestLucene70DocValuesFormat method doTestSortedNumericBlocksOfVariousBitsPerValue.

private void doTestSortedNumericBlocksOfVariousBitsPerValue(LongSupplier counts) throws Exception {
    Directory dir = newDirectory();
    IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
    conf.setMaxBufferedDocs(atLeast(Lucene70DocValuesFormat.NUMERIC_BLOCK_SIZE));
    conf.setRAMBufferSizeMB(-1);
    conf.setMergePolicy(newLogMergePolicy(random().nextBoolean()));
    IndexWriter writer = new IndexWriter(dir, conf);
    final int numDocs = atLeast(Lucene70DocValuesFormat.NUMERIC_BLOCK_SIZE * 3);
    final LongSupplier values = blocksOfVariousBPV();
    for (int i = 0; i < numDocs; i++) {
        Document doc = new Document();
        int valueCount = (int) counts.getAsLong();
        long[] valueArray = new long[valueCount];
        for (int j = 0; j < valueCount; j++) {
            long value = values.getAsLong();
            valueArray[j] = value;
            doc.add(new SortedNumericDocValuesField("dv", value));
        }
        Arrays.sort(valueArray);
        for (int j = 0; j < valueCount; j++) {
            doc.add(new StoredField("stored", Long.toString(valueArray[j])));
        }
        writer.addDocument(doc);
        if (random().nextInt(31) == 0) {
            writer.commit();
        }
    }
    writer.forceMerge(1);
    writer.close();
    // compare
    DirectoryReader ir = DirectoryReader.open(dir);
    TestUtil.checkReader(ir);
    for (LeafReaderContext context : ir.leaves()) {
        LeafReader r = context.reader();
        SortedNumericDocValues docValues = DocValues.getSortedNumeric(r, "dv");
        for (int i = 0; i < r.maxDoc(); i++) {
            if (i > docValues.docID()) {
                docValues.nextDoc();
            }
            String[] expected = r.document(i).getValues("stored");
            if (i < docValues.docID()) {
                assertEquals(0, expected.length);
            } else {
                String[] actual = new String[docValues.docValueCount()];
                for (int j = 0; j < actual.length; j++) {
                    actual[j] = Long.toString(docValues.nextValue());
                }
                assertArrayEquals(expected, actual);
            }
        }
    }
    ir.close();
    dir.close();
}