Examples with SequenceWrapper org.apache.druid.java.util.common.guava.SequenceWrapper used on opensource projects

Example 11 with SequenceWrapper

use of org.apache.druid.java.util.common.guava.SequenceWrapper in project druid by druid-io.

the class QuerySchedulerTest method testHiLoLo.

@Test
public void testHiLoLo() throws ExecutionException, InterruptedException {
    TopNQuery report = makeReportQuery();
    ListenableFuture<?> future = executorService.submit(() -> {
        try {
            Query<?> scheduledReport = scheduler.prioritizeAndLaneQuery(QueryPlus.wrap(report), ImmutableSet.of());
            Assert.assertNotNull(scheduledReport);
            Assert.assertEquals(HiLoQueryLaningStrategy.LOW, QueryContexts.getLane(scheduledReport));
            Sequence<Integer> underlyingSequence = makeSequence(10);
            underlyingSequence = Sequences.wrap(underlyingSequence, new SequenceWrapper() {

                @Override
                public void before() {
                    Assert.assertEquals(4, scheduler.getTotalAvailableCapacity());
                    Assert.assertEquals(1, scheduler.getLaneAvailableCapacity(HiLoQueryLaningStrategy.LOW));
                }
            });
            Sequence<Integer> results = scheduler.run(scheduledReport, underlyingSequence);
            int rowCount = consumeAndCloseSequence(results);
            Assert.assertEquals(10, rowCount);
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }
    });
    future.get();
    assertHiLoHasAllCapacity(TEST_HI_CAPACITY, TEST_LO_CAPACITY);
    Assert.assertEquals(QueryScheduler.UNAVAILABLE, scheduler.getLaneAvailableCapacity("non-existent"));
}

Example 12 with SequenceWrapper

use of org.apache.druid.java.util.common.guava.SequenceWrapper in project druid by druid-io.

the class QuerySchedulerTest method testHiLoHi.

@Test
public void testHiLoHi() throws ExecutionException, InterruptedException {
    TopNQuery interactive = makeInteractiveQuery();
    ListenableFuture<?> future = executorService.submit(() -> {
        try {
            Query<?> scheduled = scheduler.prioritizeAndLaneQuery(QueryPlus.wrap(interactive), ImmutableSet.of());
            Assert.assertNotNull(scheduled);
            Sequence<Integer> underlyingSequence = makeSequence(10);
            underlyingSequence = Sequences.wrap(underlyingSequence, new SequenceWrapper() {

                @Override
                public void before() {
                    Assert.assertEquals(4, scheduler.getTotalAvailableCapacity());
                    Assert.assertEquals(2, scheduler.getLaneAvailableCapacity(HiLoQueryLaningStrategy.LOW));
                }
            });
            Sequence<Integer> results = scheduler.run(scheduled, underlyingSequence);
            int rowCount = consumeAndCloseSequence(results);
            Assert.assertEquals(10, rowCount);
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }
    });
    future.get();
    Assert.assertEquals(TEST_HI_CAPACITY, scheduler.getTotalAvailableCapacity());
    Assert.assertEquals(QueryScheduler.UNAVAILABLE, scheduler.getLaneAvailableCapacity("non-existent"));
}