private <T> void assertQueryable(
QueryGranularity granularity,
String dataSource,
Interval interval,
List<Pair<String, Interval>> expected) {
Iterator<Pair<String, Interval>> expectedIter = expected.iterator();
final List<Interval> intervals = Arrays.asList(interval);
final SearchQuery query =
Druids.newSearchQueryBuilder()
.dataSource(dataSource)
.intervals(intervals)
.granularity(granularity)
.limit(10000)
.query("wow")
.build();
QueryRunner<Result<SearchResultValue>> runner =
serverManager.getQueryRunnerForIntervals(query, intervals);
final Sequence<Result<SearchResultValue>> seq = runner.run(query);
Sequences.toList(seq, Lists.<Result<SearchResultValue>>newArrayList());
Iterator<SegmentForTesting> adaptersIter = factory.getAdapters().iterator();
while (expectedIter.hasNext() && adaptersIter.hasNext()) {
Pair<String, Interval> expectedVals = expectedIter.next();
SegmentForTesting value = adaptersIter.next();
Assert.assertEquals(expectedVals.lhs, value.getVersion());
Assert.assertEquals(expectedVals.rhs, value.getInterval());
}
Assert.assertFalse(expectedIter.hasNext());
Assert.assertFalse(adaptersIter.hasNext());
factory.clearAdapters();
}
private void waitForTestVerificationAndCleanup(Future future) {
try {
queryNotifyLatch.await(25, TimeUnit.MILLISECONDS);
queryWaitYieldLatch.countDown();
queryWaitLatch.countDown();
future.get();
factory.clearAdapters();
} catch (Exception e) {
throw Throwables.propagate(e);
}
}
@Test
public void testReferenceCounting() throws Exception {
loadQueryable("test", "3", new Interval("2011-04-04/2011-04-05"));
Future future =
assertQueryable(
QueryGranularity.DAY,
"test",
new Interval("2011-04-04/2011-04-06"),
ImmutableList.<Pair<String, Interval>>of(
new Pair<String, Interval>("3", new Interval("2011-04-04/2011-04-05"))));
queryNotifyLatch.await(25, TimeUnit.MILLISECONDS);
Assert.assertEquals(1, factory.getSegmentReferences().size());
for (ReferenceCountingSegment referenceCountingSegment : factory.getSegmentReferences()) {
Assert.assertEquals(1, referenceCountingSegment.getNumReferences());
}
queryWaitYieldLatch.countDown();
Assert.assertTrue(factory.getAdapters().size() == 1);
for (SegmentForTesting segmentForTesting : factory.getAdapters()) {
Assert.assertFalse(segmentForTesting.isClosed());
}
queryWaitLatch.countDown();
future.get();
dropQueryable("test", "3", new Interval("2011-04-04/2011-04-05"));
for (SegmentForTesting segmentForTesting : factory.getAdapters()) {
Assert.assertTrue(segmentForTesting.isClosed());
}
}
