Github user ilooner commented on a diff in the pull request:
https://github.com/apache/incubator-apex-core/pull/167#discussion_r44966554
--- Diff:
engine/src/test/java/com/datatorrent/stram/engine/GenericNodeTest.java ---
@@ -296,4 +323,67 @@ public void run()
Assert.assertTrue("End window not called", go.endWindowId !=
go.beginWindowId);
}
+ @Test
+ public void testDoubleCheckpointAtleastOnce() throws Exception
+ {
+ testDoubleCheckpointHandling(ProcessingMode.AT_LEAST_ONCE);
+ }
+
+ @Test
+ public void testDoubleCheckpointAtMostOnce() throws Exception
+ {
+ testDoubleCheckpointHandling(ProcessingMode.AT_MOST_ONCE);
+ }
+
+ @Test
+ public void testDoubleCheckpointExactlyOnce() throws Exception
+ {
+ testDoubleCheckpointHandling(ProcessingMode.EXACTLY_ONCE);
+ }
+
+ private void testDoubleCheckpointHandling(ProcessingMode processingMode)
throws Exception
+ {
+ WindowGenerator windowGenerator = new WindowGenerator(new
ScheduledThreadPoolExecutor(1, "WindowGenerator"), 1024);
+ windowGenerator.setResetWindow(0L);
+ windowGenerator.setFirstWindow(0L);
+ windowGenerator.setWindowWidth(100);
+ windowGenerator.setCheckpointCount(1, 0);
+
+ GenericCheckpointOperator gco = new GenericCheckpointOperator();
+ DefaultAttributeMap dam = new DefaultAttributeMap();
+ dam.put(OperatorContext.APPLICATION_WINDOW_COUNT, 2);
+ dam.put(OperatorContext.CHECKPOINT_WINDOW_COUNT, 2);
+
+ final GenericNode in = new GenericNode(gco, new
com.datatorrent.stram.engine.OperatorContext(0, dam, null));
+ in.setId(1);
+
+ TestSink testSink = new TestSink();
+
+ in.connectInputPort("ip1",
windowGenerator.acquireReservoir(String.valueOf(in.id), 1024));
+ in.connectOutputPort("output", testSink);
+
+ windowGenerator.activate(null);
+
+ final AtomicBoolean ab = new AtomicBoolean(false);
+ Thread t = new Thread()
+ {
+ @Override
+ public void run()
+ {
+ ab.set(true);
+ in.activate();
+ in.run();
+ in.deactivate();
+ }
+
+ };
+
+ t.start();
+ Thread.sleep(3000);
--- End diff --
@PramodSSImmaneni made the change
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