Examples with BroadcastSegmentIndexedTable org.apache.druid.segment.join.table.BroadcastSegmentIndexedTable used on opensource projects

Example 1 with BroadcastSegmentIndexedTable

use of org.apache.druid.segment.join.table.BroadcastSegmentIndexedTable in project druid by druid-io.

the class BroadcastJoinableMMappedQueryableSegmentizerFactoryTest method testSegmentizer.

@Test
public void testSegmentizer() throws IOException, SegmentLoadingException {
    final ObjectMapper mapper = new DefaultObjectMapper();
    mapper.registerModule(new SegmentizerModule());
    final IndexIO indexIO = new IndexIO(mapper, () -> 0);
    mapper.setInjectableValues(new InjectableValues.Std().addValue(ExprMacroTable.class.getName(), TestExprMacroTable.INSTANCE).addValue(ObjectMapper.class.getName(), mapper).addValue(IndexIO.class, indexIO).addValue(DataSegment.PruneSpecsHolder.class, DataSegment.PruneSpecsHolder.DEFAULT));
    IndexMerger indexMerger = new IndexMergerV9(mapper, indexIO, OffHeapMemorySegmentWriteOutMediumFactory.instance());
    SegmentizerFactory expectedFactory = new BroadcastJoinableMMappedQueryableSegmentizerFactory(indexIO, KEY_COLUMNS);
    Interval testInterval = Intervals.of("2011-01-12T00:00:00.000Z/2011-05-01T00:00:00.000Z");
    IncrementalIndex data = TestIndex.makeRealtimeIndex("druid.sample.numeric.tsv");
    List<String> columnNames = data.getColumnNames();
    File segment = new File(temporaryFolder.newFolder(), "segment");
    File persistedSegmentRoot = indexMerger.persist(data, testInterval, segment, new IndexSpec(null, null, null, null, expectedFactory), null);
    File factoryJson = new File(persistedSegmentRoot, "factory.json");
    Assert.assertTrue(factoryJson.exists());
    SegmentizerFactory factory = mapper.readValue(factoryJson, SegmentizerFactory.class);
    Assert.assertTrue(factory instanceof BroadcastJoinableMMappedQueryableSegmentizerFactory);
    Assert.assertEquals(expectedFactory, factory);
    // load a segment
    final DataSegment dataSegment = new DataSegment(TABLE_NAME, testInterval, DateTimes.nowUtc().toString(), ImmutableMap.of(), columnNames, ImmutableList.of(), null, null, persistedSegmentRoot.getTotalSpace());
    final Segment loaded = factory.factorize(dataSegment, persistedSegmentRoot, false, SegmentLazyLoadFailCallback.NOOP);
    final BroadcastSegmentIndexedTable table = (BroadcastSegmentIndexedTable) loaded.as(IndexedTable.class);
    Assert.assertNotNull(table);
}