org.apache.flink.util.NumberSequenceIterator Java Examples

The following examples show how to use org.apache.flink.util.NumberSequenceIterator. 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: ReplicatingDataSourceITCase.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
@Test
public void testReplicatedSourceToJoin() throws Exception {
	/*
	 * Test replicated source going into join
	 */

	final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();

	DataSet<Tuple1<Long>> source1 = env.createInput(new ReplicatingInputFormat<Long, GenericInputSplit>
			(new ParallelIteratorInputFormat<Long>(new NumberSequenceIterator(0L, 1000L))), BasicTypeInfo.LONG_TYPE_INFO)
			.map(new ToTuple());
	DataSet<Tuple1<Long>> source2 = env.generateSequence(0L, 1000L).map(new ToTuple());

	DataSet<Tuple> pairs = source1.join(source2).where(0).equalTo(0)
			.projectFirst(0)
			.sum(0);

	List<Tuple> result = pairs.collect();

	String expectedResult = "(500500)";

	compareResultAsText(result, expectedResult);
}
Example #2
Source File: ReplicatingDataSourceITCase.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void testReplicatedSourceToJoin() throws Exception {
	/*
	 * Test replicated source going into join
	 */

	final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();

	DataSet<Tuple1<Long>> source1 = env.createInput(new ReplicatingInputFormat<Long, GenericInputSplit>
			(new ParallelIteratorInputFormat<Long>(new NumberSequenceIterator(0L, 1000L))), BasicTypeInfo.LONG_TYPE_INFO)
			.map(new ToTuple());
	DataSet<Tuple1<Long>> source2 = env.generateSequence(0L, 1000L).map(new ToTuple());

	DataSet<Tuple> pairs = source1.join(source2).where(0).equalTo(0)
			.projectFirst(0)
			.sum(0);

	List<Tuple> result = pairs.collect();

	String expectedResult = "(500500)";

	compareResultAsText(result, expectedResult);
}
Example #3
Source File: ReplicatingDataSourceITCase.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void testReplicatedSourceToJoin() throws Exception {
	/*
	 * Test replicated source going into join
	 */

	final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();

	DataSet<Tuple1<Long>> source1 = env.createInput(new ReplicatingInputFormat<Long, GenericInputSplit>
			(new ParallelIteratorInputFormat<Long>(new NumberSequenceIterator(0L, 1000L))), BasicTypeInfo.LONG_TYPE_INFO)
			.map(new ToTuple());
	DataSet<Tuple1<Long>> source2 = env.generateSequence(0L, 1000L).map(new ToTuple());

	DataSet<Tuple> pairs = source1.join(source2).where(0).equalTo(0)
			.projectFirst(0)
			.sum(0);

	List<Tuple> result = pairs.collect();

	String expectedResult = "(500500)";

	compareResultAsText(result, expectedResult);
}
Example #4
Source File: ExecutionEnvironment.java    From Flink-CEPplus with Apache License 2.0 2 votes vote down vote up 
/**
 * Creates a new data set that contains a sequence of numbers. The data set will be created in parallel,
 * so there is no guarantee about the order of the elements.
 *
 * @param from The number to start at (inclusive).
 * @param to The number to stop at (inclusive).
 * @return A DataSet, containing all number in the {@code [from, to]} interval.
 */
public DataSource<Long> generateSequence(long from, long to) {
	return fromParallelCollection(new NumberSequenceIterator(from, to), BasicTypeInfo.LONG_TYPE_INFO, Utils.getCallLocationName());
}
Example #5
Source File: ExecutionEnvironment.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Creates a new data set that contains a sequence of numbers. The data set will be created in parallel,
 * so there is no guarantee about the order of the elements.
 *
 * @param from The number to start at (inclusive).
 * @param to The number to stop at (inclusive).
 * @return A DataSet, containing all number in the {@code [from, to]} interval.
 */
public DataSource<Long> generateSequence(long from, long to) {
	return fromParallelCollection(new NumberSequenceIterator(from, to), BasicTypeInfo.LONG_TYPE_INFO, Utils.getCallLocationName());
}
Example #6
Source File: ExecutionEnvironment.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Creates a new data set that contains a sequence of numbers. The data set will be created in parallel,
 * so there is no guarantee about the order of the elements.
 *
 * @param from The number to start at (inclusive).
 * @param to The number to stop at (inclusive).
 * @return A DataSet, containing all number in the {@code [from, to]} interval.
 */
public DataSource<Long> generateSequence(long from, long to) {
	return fromParallelCollection(new NumberSequenceIterator(from, to), BasicTypeInfo.LONG_TYPE_INFO, Utils.getCallLocationName());
}