Package com.facebook.presto.hive.HiveSplitSourceProvider

Examples of com.facebook.presto.hive.HiveSplitSourceProvider.HiveSplitSource.addToQueue()

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        assertEquals(hiveSplitSource.getOutstandingSplitCount(), 9);
        assertFalse(suspendingExecutor.isSuspended());

        // add two more splits so the source is now full and verify that the executor is suspended
        hiveSplitSource.addToQueue(new TestSplit(11));
        hiveSplitSource.addToQueue(new TestSplit(12));
        assertEquals(hiveSplitSource.getOutstandingSplitCount(), 11);
        assertTrue(suspendingExecutor.isSuspended());

        // remove two splits so the source is no longer full and verify the executor is resumed
        assertEquals(hiveSplitSource.getNextBatch(2).size(), 2);
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        SuspendingExecutor suspendingExecutor = createSuspendingExecutor();
        HiveSplitSource hiveSplitSource = new HiveSplitSource("test", 10, suspendingExecutor);

        // add some splits
        for (int i = 0; i < 5; i++) {
            hiveSplitSource.addToQueue(new TestSplit(i));
            assertEquals(hiveSplitSource.getOutstandingSplitCount(), i + 1);
        }

        // remove a split and verify
        assertEquals(hiveSplitSource.getNextBatch(1).size(), 1);
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            assertEquals(e.getCause().getMessage(), "test");
        }
        assertEquals(hiveSplitSource.getOutstandingSplitCount(), 4);

        // attempt to add another split and verify it does not work
        hiveSplitSource.addToQueue(new TestSplit(99));
        assertEquals(hiveSplitSource.getOutstandingSplitCount(), 4);

        // fail source again
        hiveSplitSource.fail(new RuntimeException("another failure"));
        assertEquals(hiveSplitSource.getOutstandingSplitCount(), 4);
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            // sleep for a bit, and assure the thread is blocked
            TimeUnit.MILLISECONDS.sleep(200);
            assertTrue(!splits.isDone());

            // add a split
            hiveSplitSource.addToQueue(new TestSplit(33));

            // wait for thread to get the split
            ConnectorSplit split = splits.get(200, TimeUnit.MILLISECONDS);
            assertSame(split.getInfo(), 33);
        }
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