org.apache.flink.test.streaming.runtime.util.ReceiveCheckNoOpSink Java Examples

The following examples show how to use org.apache.flink.test.streaming.runtime.util.ReceiveCheckNoOpSink. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: IterateITCase.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("rawtypes")
@Test
public void testSimpleIteration() throws Exception {
	int numRetries = 5;
	int timeoutScale = 1;

	for (int numRetry = 0; numRetry < numRetries; numRetry++) {
		try {
			StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
			iterated = new boolean[parallelism];

			DataStream<Boolean> source = env.fromCollection(Collections.nCopies(parallelism * 2, false))
					.map(noOpBoolMap).name("ParallelizeMap");

			IterativeStream<Boolean> iteration = source.iterate(3000 * timeoutScale);

			DataStream<Boolean> increment = iteration.flatMap(new IterationHead()).map(noOpBoolMap);

			iteration.map(noOpBoolMap).addSink(new ReceiveCheckNoOpSink());

			iteration.closeWith(increment).addSink(new ReceiveCheckNoOpSink());

			env.execute();

			for (boolean iter : iterated) {
				assertTrue(iter);
			}

			break; // success
		} catch (Throwable t) {
			LOG.info("Run " + (numRetry + 1) + "/" + numRetries + " failed", t);

			if (numRetry >= numRetries - 1) {
				throw t;
			} else {
				timeoutScale *= 2;
			}
		}
	}
}
Example #2
Source File: IterateITCase.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("rawtypes")
@Test
public void testSimpleIteration() throws Exception {
	int numRetries = 5;
	int timeoutScale = 1;

	for (int numRetry = 0; numRetry < numRetries; numRetry++) {
		try {
			StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
			iterated = new boolean[parallelism];

			DataStream<Boolean> source = env.fromCollection(Collections.nCopies(parallelism * 2, false))
					.map(noOpBoolMap).name("ParallelizeMap");

			IterativeStream<Boolean> iteration = source.iterate(3000 * timeoutScale);

			DataStream<Boolean> increment = iteration.flatMap(new IterationHead()).map(noOpBoolMap);

			iteration.map(noOpBoolMap).addSink(new ReceiveCheckNoOpSink());

			iteration.closeWith(increment).addSink(new ReceiveCheckNoOpSink());

			env.execute();

			for (boolean iter : iterated) {
				assertTrue(iter);
			}

			break; // success
		} catch (Throwable t) {
			LOG.info("Run " + (numRetry + 1) + "/" + numRetries + " failed", t);

			if (numRetry >= numRetries - 1) {
				throw t;
			} else {
				timeoutScale *= 2;
			}
		}
	}
}
Example #3
Source File: IterateITCase.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("rawtypes")
@Test
public void testSimpleIteration() throws Exception {
	int numRetries = 5;
	int timeoutScale = 1;

	for (int numRetry = 0; numRetry < numRetries; numRetry++) {
		try {
			StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
			iterated = new boolean[parallelism];

			DataStream<Boolean> source = env.fromCollection(Collections.nCopies(parallelism * 2, false))
					.map(noOpBoolMap).name("ParallelizeMap");

			IterativeStream<Boolean> iteration = source.iterate(3000 * timeoutScale);

			DataStream<Boolean> increment = iteration.flatMap(new IterationHead()).map(noOpBoolMap);

			iteration.map(noOpBoolMap).addSink(new ReceiveCheckNoOpSink());

			iteration.closeWith(increment).addSink(new ReceiveCheckNoOpSink());

			env.execute();

			for (boolean iter : iterated) {
				assertTrue(iter);
			}

			break; // success
		} catch (Throwable t) {
			LOG.info("Run " + (numRetry + 1) + "/" + numRetries + " failed", t);

			if (numRetry >= numRetries - 1) {
				throw t;
			} else {
				timeoutScale *= 2;
			}
		}
	}
}
Example #4
Source File: IterateITCase.java    From flink with Apache License 2.0 3 votes vote down vote up 
private void createIteration(StreamExecutionEnvironment env, int timeoutScale) {
	env.enableCheckpointing();

	DataStream<Boolean> source = env.fromCollection(Collections.nCopies(parallelism * 2, false))
			.map(noOpBoolMap).name("ParallelizeMap");

	IterativeStream<Boolean> iteration = source.iterate(3000 * timeoutScale);

	iteration.closeWith(iteration.flatMap(new IterationHead())).addSink(new ReceiveCheckNoOpSink<Boolean>());
}